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* [PATCH 5.15 000/317] 5.15.153-rc1 review
@ 2024-03-24 23:29 Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 001/317] io_uring/unix: drop usage of io_uring socket Sasha Levin
                   ` (319 more replies)
  0 siblings, 320 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Sasha Levin, torvalds, akpm, linux, shuah, patches, lkft-triage,
	florian.fainelli, pavel


This is the start of the stable review cycle for the 5.15.153 release.
There are 317 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Tue Mar 26 11:34:43 PM UTC 2024.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
        https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/patch/?id=linux-5.15.y&id2=v5.15.152
or in the git tree and branch at:
        git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
and the diffstat can be found below.

Thanks,
Sasha

-------------
Pseudo-Shortlog of commits:

Ajay Singh (1):
  wifi: wilc1000: fix multi-vif management when deleting a vif

Alban Boyé (1):
  ASoC: Intel: bytcr_rt5640: Add an extra entry for the Chuwi Vi8 tablet

Alex Bee (1):
  drm/rockchip: inno_hdmi: Fix video timing

Alexander Gordeev (1):
  net/iucv: fix the allocation size of iucv_path_table array

Alexander Stein (1):
  media: tc358743: register v4l2 async device only after successful
    setup

Alexey I. Froloff (1):
  ACPI: resource: Do IRQ override on Lunnen Ground laptops

Alexey Kodanev (1):
  RDMA/rtrs-clt: Check strnlen return len in sysfs mpath_policy_store()

Alexis Lothoré (3):
  wifi: wilc1000: fix declarations ordering
  wifi: wilc1000: fix RCU usage in connect path
  wifi: wilc1000: prevent use-after-free on vif when cleaning up all
    interfaces

Anastasia Belova (1):
  cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return
    value

Andrew Ballance (1):
  gen_compile_commands: fix invalid escape sequence warning

Andrey Grafin (2):
  libbpf: Apply map_set_def_max_entries() for inner_maps on creation
  selftest/bpf: Add map_in_maps with BPF_MAP_TYPE_PERF_EVENT_ARRAY
    values

Andy Shevchenko (1):
  serial: 8250_exar: Don't remove GPIO device on suspend

AngeloGioacchino Del Regno (1):
  drm/mediatek: dsi: Fix DSI RGB666 formats and definitions

Armin Wolf (1):
  ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()

Arnaud Pouliquen (2):
  remoteproc: stm32: Fix incorrect type in assignment for va
  remoteproc: stm32: Fix incorrect type assignment returned by
    stm32_rproc_get_loaded_rsc_tablef

Arnd Bergmann (11):
  fs/select: rework stack allocation hack for clang
  wifi: brcmsmac: avoid function pointer casts
  media: pvrusb2: fix pvr2_stream_callback casts
  crypto: arm/sha - fix function cast warnings
  mtd: rawnand: lpc32xx_mlc: fix irq handler prototype
  media: dvb-frontends: avoid stack overflow warnings with clang
  media: mediatek: vcodec: avoid -Wcast-function-type-strict warning
  scsi: csiostor: Avoid function pointer casts
  scsi: bfa: Fix function pointer type mismatch for hcb_qe->cbfn
  remoteproc: stm32: use correct format strings on 64-bit
  soc: fsl: dpio: fix kcalloc() argument order

Arınç ÜNAL (5):
  net: dsa: mt7530: prevent possible incorrect XTAL frequency selection
  net: dsa: mt7530: fix handling of LLDP frames
  net: dsa: mt7530: fix handling of 802.1X PAE frames
  net: dsa: mt7530: fix link-local frames that ingress vlan filtering
    ports
  net: dsa: mt7530: fix handling of all link-local frames

Athaariq Ardhiansyah (1):
  ALSA: hda/realtek: fix ALC285 issues on HP Envy x360 laptops

Baokun Li (1):
  quota: simplify drop_dquot_ref()

Bartosz Golaszewski (1):
  Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with
    gpiod_get_optional()

Baruch Siach (1):
  mtd: maps: physmap-core: fix flash size larger than 32-bit

Basavaraj Natikar (1):
  HID: amd_sfh: Update HPD sensor structure elements

Ben Wolsieffer (1):
  watchdog: stm32_iwdg: initialize default timeout

Bitterblue Smith (1):
  wifi: rtw88: 8821c: Fix false alarm count

Breno Leitao (1):
  net: blackhole_dev: fix build warning for ethh set but not used

Bryan O'Donoghue (1):
  clk: Fix clk_core_get NULL dereference

Cai Huoqing (1):
  drm/tegra: dsi: Make use of the helper function dev_err_probe()

Changbin Du (1):
  modules: wait do_free_init correctly

Chao Yu (5):
  f2fs: multidevice: support direct IO
  f2fs: fix to invalidate META_MAPPING before DIO write
  f2fs: invalidate meta pages only for post_read required inode
  f2fs: reduce stack memory cost by using bitfield in struct
    f2fs_io_info
  f2fs: compress: fix to cover normal cluster write with cp_rwsem

Chen Ni (2):
  sr9800: Add check for usbnet_get_endpoints
  drm/tegra: dsi: Add missing check for of_find_device_by_node

Chen-Yu Tsai (1):
  pinctrl: mediatek: Drop bogus slew rate register range for MT8192

Christian König (1):
  drm/ttm: add ttm_resource_fini v2

Christophe JAILLET (13):
  wireless: Remove redundant 'flush_workqueue()' calls
  mmc: wmt-sdmmc: remove an incorrect release_mem_region() call in the
    .remove function
  drm/tegra: dsi: Fix some error handling paths in tegra_dsi_probe()
  drm/tegra: dsi: Fix missing pm_runtime_disable() in the error handling
    path of tegra_dsi_probe()
  drm/tegra: rgb: Fix some error handling paths in tegra_dc_rgb_probe()
  drm/tegra: rgb: Fix missing clk_put() in the error handling paths of
    tegra_dc_rgb_probe()
  drm/tegra: output: Fix missing i2c_put_adapter() in the error handling
    paths of tegra_output_probe()
  PCI/P2PDMA: Fix a sleeping issue in a RCU read section
  PCI: switchtec: Fix an error handling path in switchtec_pci_probe()
  clk: hisilicon: hi3519: Release the correct number of gates in
    hi3519_clk_unregister()
  clk: hisilicon: hi3559a: Fix an erroneous devm_kfree()
  net: sunrpc: Fix an off by one in rpc_sockaddr2uaddr()
  NFS: Fix an off by one in root_nfs_cat()

Christophe Leroy (1):
  powerpc: Force inlining of arch_vmap_p{u/m}d_supported()

Chun-Yi Lee (1):
  aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts

Colin Ian King (1):
  usb: gadget: net2272: Use irqflags in the call to net2272_probe_fin

Conor Dooley (1):
  riscv: dts: sifive: add missing #interrupt-cells to pmic

Dan Carpenter (1):
  staging: greybus: fix get_channel_from_mode() failure path

Daniel Golle (2):
  net: mediatek: mtk_eth_soc: clear MAC_MCR_FORCE_LINK only when MAC is
    up
  net: ethernet: mtk_eth_soc: fix PPE hanging issue

Daniel Thompson (3):
  backlight: da9052: Fully initialize backlight_properties during probe
  backlight: lm3639: Fully initialize backlight_properties during probe
  backlight: lp8788: Fully initialize backlight_properties during probe

Daniil Dulov (2):
  media: go7007: add check of return value of go7007_read_addr()
  media: pvrusb2: remove redundant NULL check

Dave Airlie (1):
  nouveau: reset the bo resource bus info after an eviction

David Gow (3):
  lib/cmdline: Fix an invalid format specifier in an assertion msg
  time: test: Fix incorrect format specifier
  rtc: test: Fix invalid format specifier.

David Howells (1):
  afs: Revert "afs: Hide silly-rename files from userspace"

David McFarland (1):
  ACPI: resource: Add Infinity laptops to irq1_edge_low_force_override

Dmitry Baryshkov (2):
  arm64: dts: qcom: msm8998: switch USB QMP PHY to new style of bindings
  arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY

Dmitry Osipenko (1):
  drm/tegra: dc: rgb: Allow changing PLLD rate on Tegra30+

Duoming Zhou (2):
  nfp: flower: handle acti_netdevs allocation failure
  clk: zynq: Prevent null pointer dereference caused by kmalloc failure

Edward Adam Davis (1):
  media: pvrusb2: fix uaf in pvr2_context_set_notify

Eric Biggers (1):
  f2fs: implement iomap operations

Eric Dumazet (5):
  sock_diag: annotate data-races around sock_diag_handlers[family]
  inet_diag: annotate data-races around inet_diag_table[]
  ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()
  net: ip_tunnel: make sure to pull inner header in ip_tunnel_rcv()
  packet: annotate data-races around ignore_outgoing

Ethan Zhao (2):
  PCI: Make pci_dev_is_disconnected() helper public for other drivers
  iommu/vt-d: Don't issue ATS Invalidation request when device is
    disconnected

Fedor Pchelkin (1):
  drm/tegra: put drm_gem_object ref on error in tegra_fb_create

Fei Shao (1):
  spi: spi-mt65xx: Fix NULL pointer access in interrupt handler

Felix Maurer (1):
  hsr: Handle failures in module init

Filipe Manana (1):
  btrfs: add and use helper to check if block group is used

Frank Li (1):
  PCI: endpoint: Support NTB transfer between RC and EP

Frieder Schrempf (5):
  arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on SL/BL
    i.MX8MM
  arm64: dts: imx8mm-kontron: Disable pullups for onboard UART signals
    on BL board
  arm64: dts: imx8mm-kontron: Add support for ultra high speed modes on
    SD card
  arm64: dts: imx8mm-kontron: Use the VSELECT signal to switch SD card
    IO voltage
  arm64: dts: imx8mm-kontron: Disable pull resistors for SD card signals
    on BL board

Gavrilov Ilia (6):
  tcp: fix incorrect parameter validation in the do_tcp_getsockopt()
    function
  ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt()
    function
  l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt()
    function
  udp: fix incorrect parameter validation in the udp_lib_getsockopt()
    function
  net: kcm: fix incorrect parameter validation in the kcm_getsockopt)
    function
  net/x25: fix incorrect parameter validation in the x25_getsockopt()
    function

Geert Uytterhoeven (4):
  ARM: dts: renesas: r8a73a4: Fix external clocks and clock rate
  ARM: dts: arm: realview: Fix development chip ROM compatible value
  arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values
  arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes

George Stark (1):
  leds: aw2013: Unlock mutex before destroying it

Greg Joyce (1):
  block: sed-opal: handle empty atoms when parsing response

Hans de Goede (1):
  ASoC: rt5645: Make LattePanda board DMI match more precise

Harry Wentland (1):
  drm: Don't treat 0 as -1 in drm_fixp2int_ceil

Hou Tao (3):
  bpf: Defer the free of inner map when necessary
  x86/mm: Move is_vsyscall_vaddr() into asm/vsyscall.h
  x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault()

Hsin-Yi Wang (2):
  arm64: dts: mt8183: kukui: Split out keyboard node and describe
    detachables
  drm/mediatek: Fix a null pointer crash in
    mtk_drm_crtc_finish_page_flip

Hugo Villeneuve (1):
  serial: max310x: fix syntax error in IRQ error message

Hyeong-Jun Kim (1):
  f2fs: invalidate META_MAPPING before IPU/DIO write

Ian Abbott (1):
  comedi: comedi_test: Prevent timers rescheduling during deletion

Ian Rogers (1):
  perf stat: Avoid metric-only segv

Ignat Korchagin (1):
  net: veth: do not manipulate GRO when using XDP

Igor Prusov (1):
  clk: meson: Add missing clocks to axg_clk_regmaps

Ilpo Järvinen (1):
  PCI/DPC: Print all TLP Prefixes, not just the first

Jakub Kicinski (1):
  selftests: tls: use exact comparison in recv_partial

Jan Höppner (1):
  s390/dasd: Use dev_*() for device log messages

Jan Kara (1):
  quota: Fix rcu annotations of inode dquot pointers

Jens Axboe (3):
  io_uring/unix: drop usage of io_uring socket
  io_uring: drop any code related to SCM_RIGHTS
  io_uring: don't save/restore iowait state

Jernej Skrabec (3):
  media: sun8i-di: Fix coefficient writes
  media: sun8i-di: Fix power on/off sequences
  media: sun8i-di: Fix chroma difference threshold

Jerome Brunet (4):
  ASoC: meson: aiu: fix function pointer type mismatch
  ASoC: meson: t9015: fix function pointer type mismatch
  ASoC: meson: axg-tdm-interface: fix mclk setup without mclk-fs
  ASoC: meson: axg-tdm-interface: add frame rate constraint

Jiaxun Yang (1):
  MIPS: Clear Cause.BD in instruction_pointer_set

Jie Wang (1):
  net: hns3: fix port duplex configure error in IMP reset

Jinjie Ruan (1):
  wifi: mwifiex: debugfs: Drop unnecessary error check for
    debugfs_create_dir()

Jiri Slaby (SUSE) (1):
  tty: vt: fix 20 vs 0x20 typo in EScsiignore

Johan Carlsson (1):
  ALSA: usb-audio: Stop parsing channels bits when all channels are
    found.

Johan Hovold (2):
  arm64: dts: qcom: msm8998: drop USB PHY clock index
  PCI/AER: Fix rootport attribute paths in ABI docs

Johannes Berg (3):
  wifi: iwlwifi: mvm: report beacon protection failures
  wifi: iwlwifi: dbg-tlv: ensure NUL termination
  wifi: iwlwifi: mvm: don't set replay counters to 0xff

Jonah Palmer (1):
  vdpa/mlx5: Allow CVQ size changes

Jonas Dreßler (1):
  Bluetooth: Remove superfluous call to hci_conn_check_pending()

Jorge Mora (2):
  NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102
  NFSv4.2: fix listxattr maximum XDR buffer size

Jörg Wedekind (1):
  PCI: Mark 3ware-9650SE Root Port Extended Tags as broken

Kailang Yang (1):
  ALSA: hda/realtek - ALC285 reduce pop noise from Headphone port

Kajol Jain (1):
  powerpc/hv-gpci: Fix the H_GET_PERF_COUNTER_INFO hcall return value
    checks

Kamal Heib (1):
  net: ena: Remove ena_select_queue

Kees Cook (1):
  x86, relocs: Ignore relocations in .notes section

Keisuke Nishimura (1):
  sched/fair: Take the scheduling domain into account in
    select_idle_core()

Konrad Dybcio (3):
  clk: qcom: reset: Commonize the de/assert functions
  clk: qcom: reset: Ensure write completion on reset de/assertion
  clk: qcom: dispcc-sdm845: Adjust internal GDSC wait times

Kuninori Morimoto (1):
  ASoC: meson: Use dev_err_probe() helper

Kuniyuki Iwashima (1):
  af_unix: Annotate data-race of gc_in_progress in wait_for_unix_gc().

Kunwu Chan (1):
  x86/xen: Add some null pointer checking to smp.c

Kévin L'hôpital (1):
  net: phy: fix phy_get_internal_delay accessing an empty array

Leon Romanovsky (1):
  RDMA/mlx5: Fix fortify source warning while accessing Eth segment

Li Nan (1):
  md: Don't clear MD_CLOSING when the raid is about to stop

Linu Cherian (1):
  octeontx2-af: Use matching wake_up API variant in CGX command
    interface

Luca Weiss (2):
  backlight: lm3630a: Initialize backlight_properties on init
  backlight: lm3630a: Don't set bl->props.brightness in get_brightness

Lucas Stach (1):
  media: imx: csc/scaler: fix v4l2_ctrl_handler memory leak

Luiz Augusto von Dentz (1):
  Bluetooth: hci_core: Fix possible buffer overflow

Manuel Fombuena (1):
  HID: multitouch: Add required quirk for Synaptics 0xcddc device

Marek Vasut (1):
  regmap: Add missing map->bus check

Mario Limonciello (1):
  iommu/amd: Mark interrupt as managed

Martin KaFai Lau (3):
  net: Change sock_getsockopt() to take the sk ptr instead of the sock
    ptr
  bpf: net: Change sk_getsockopt() to take the sockptr_t argument
  bpf: net: Change do_ip_getsockopt() to take the sockptr_t argument

Martin Kaistra (1):
  wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work

Masahiro Yamada (1):
  kconfig: fix infinite loop when expanding a macro at the end of file

Max Kellermann (1):
  parisc/ftrace: add missing CONFIG_DYNAMIC_FTRACE check

Maxim Kudinov (1):
  ACPI: resource: Add MAIBENBEN X577 to irq1_edge_low_force_override

Mete Durlu (1):
  s390/vtime: fix average steal time calculation

Michael Ellerman (1):
  powerpc/embedded6xx: Fix no previous prototype for avr_uart_send()
    etc.

Michal Vokáč (3):
  ARM: dts: imx6dl-yapp4: Move phy reset into switch node
  ARM: dts: imx6dl-yapp4: Fix typo in the QCA switch register address
  ARM: dts: imx6dl-yapp4: Move the internal switch PHYs under the switch
    node

Mikhail Khvainitski (1):
  HID: lenovo: Add middleclick_workaround sysfs knob for cptkbd

Mikulas Patocka (2):
  dm-verity, dm-crypt: align "struct bvec_iter" correctly
  dm: call the resume method on internal suspend

Ming Lei (1):
  dm raid: fix false positive for requeue needed during reshape

Miri Korenblit (1):
  wifi: iwlwifi: fix EWRD table validity check

Miroslav Franc (1):
  s390/dasd: fix double module refcount decrement

Nathan Chancellor (1):
  s390/vdso: drop '-fPIC' from LDFLAGS

Navid Emamdoost (1):
  nbd: null check for nla_nest_start

NeilBrown (1):
  f2fs: replace congestion_wait() calls with io_schedule_timeout()

Nikita Kiryushin (1):
  net: phy: fix phy_read_poll_timeout argument type in genphy_loopback

Nikita Zhandarovich (4):
  do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak
  media: em28xx: annotate unchecked call to media_device_register()
  drm/radeon/ni: Fix wrong firmware size logging in ni_init_microcode()
  wireguard: receive: annotate data-race around
    receiving_counter.counter

Nícolas F. R. A. Prado (3):
  cpufreq: mediatek-hw: Wait for CPU supplies before probing
  cpufreq: mediatek-hw: Don't error out if supply is not found
  arm64: dts: mt8183: Move CrosEC base detection node to kukui-based DTs

Ondrej Jirman (1):
  leds: sgm3140: Add missing timer cleanup and flash gpio control

Pablo Neira Ayuso (2):
  netfilter: nft_set_pipapo: release elements in clone only from destroy
    path
  netfilter: nf_tables: do not compare internal table flags on updates

Paloma Arellano (1):
  drm/msm/dpu: add division of drm_display_mode's hskew parameter

Paul E. McKenney (1):
  rcu-tasks: Provide rcu_trace_implies_rcu_gp()

Peter Griffin (2):
  mfd: syscon: Call of_node_put() only when of_parse_phandle() takes a
    ref
  mfd: altera-sysmgr: Call of_node_put() only when of_parse_phandle()
    takes a ref

Peter Hilber (3):
  timekeeping: Fix cross-timestamp interpolation on counter wrap
  timekeeping: Fix cross-timestamp interpolation corner case decision
  timekeeping: Fix cross-timestamp interpolation for non-x86

Peter Robinson (2):
  bus: tegra-aconnect: Update dependency to ARCH_TEGRA
  dmaengine: tegra210-adma: Update dependency to ARCH_TEGRA

Petr Mladek (1):
  printk: Disable passing console lock owner completely during panic()

Prashant Malani (1):
  arm64: dts: mt8183: kukui: Add Type C node

Prike Liang (1):
  drm/amdgpu: Enable gpu reset for S3 abort cases on Raven series

Quanyang Wang (1):
  crypto: xilinx - call finalize with bh disabled

Quentin Schulz (2):
  drm/rockchip: lvds: do not overwrite error code
  drm/rockchip: lvds: do not print scary message when probing defer

Rafael J. Wysocki (1):
  ACPI: scan: Fix device check notification handling

Rafał Miłecki (3):
  arm64: dts: mediatek: mt7622: add missing "device_type" to memory
    nodes
  arm64: dts: marvell: reorder crypto interrupts on Armada SoCs
  arm64: dts: broadcom: bcmbca: bcm4908: drop invalid switch cells

Rahul Rameshbabu (4):
  wifi: b43: Stop/wake correct queue in DMA Tx path when QoS is disabled
  wifi: b43: Stop/wake correct queue in PIO Tx path when QoS is disabled
  wifi: b43: Stop correct queue in DMA worker when QoS is disabled
  wifi: b43: Disable QoS for bcm4331

Randy Dunlap (1):
  rtc: mt6397: select IRQ_DOMAIN instead of depending on it

Ranjan Kumar (1):
  scsi: mpt3sas: Prevent sending diag_reset when the controller is ready

Rob Herring (1):
  cpufreq: Explicitly include correct DT includes

Russell King (Oracle) (1):
  net: mtk_eth_soc: move MAC_MCR setting to mac_finish()

Ruud Bos (1):
  igb: move PEROUT and EXTTS isr logic to separate functions

Sam Ravnborg (1):
  sparc32: Fix section mismatch in leon_pci_grpci

Saravana Kannan (1):
  module: Add support for default value for module async_probe

Sasha Levin (1):
  Linux 5.15.153-rc1

Shawn Guo (1):
  arm64: dts: qcom: msm8996: Move '#clock-cells' to QMP PHY child node

Sheng Yong (1):
  f2fs: compress: fix to check unreleased compressed cluster

Shifeng Li (1):
  RDMA/device: Fix a race between mad_client and cm_client init

Shigeru Yoshida (1):
  hsr: Fix uninit-value access in hsr_get_node()

Shiming Cheng (1):
  ipv6: fib6_rules: flush route cache when rule is changed

Srinivasan Shanmugam (3):
  drm/amd/display: Fix a potential buffer overflow in
    'dp_dsc_clock_en_read()'
  drm/amd/display: Fix potential NULL pointer dereferences in
    'dcn10_set_output_transfer_func()'
  drm/amdgpu: Fix missing break in ATOM_ARG_IMM Case of
    atom_get_src_int()

Steev Klimaszewski (1):
  Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855

Stefan Haberland (4):
  s390/dasd: put block allocation in separate function
  s390/dasd: add query PPRC function
  s390/dasd: add copy pair setup
  s390/dasd: add autoquiesce feature

Stephen Brennan (1):
  printk: Add panic_in_progress helper

Stuart Henderson (3):
  ASoC: wm8962: Enable oscillator if selecting WM8962_FLL_OSC
  ASoC: wm8962: Enable both SPKOUTR_ENA and SPKOUTL_ENA in mono mode
  ASoC: wm8962: Fix up incorrect error message in wm8962_set_fll

Subbaraya Sundeep (1):
  octeontx2-af: Use separate handlers for interrupts

Takashi Iwai (1):
  ALSA: seq: fix function cast warnings

Takashi Sakamoto (1):
  firewire: core: use long bus reset on gap count error

Thierry Reding (1):
  drm/tegra: dpaux: Populate AUX bus

Thinh Tran (1):
  net/bnx2x: Prevent access to a freed page in page_pool

Thomas Zimmermann (1):
  arch/powerpc: Remove <linux/fb.h> from backlight code

Tiezhu Yang (1):
  bpftool: Silence build warning about calloc()

Tim Harvey (1):
  arm64: dts: imx8mm-venice-gw71xx: fix USB OTG VBUS

Tim Pambor (1):
  net: phy: dp83822: Fix RGMII TX delay configuration

Toke Høiland-Jørgensen (4):
  wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is
    complete
  bpf: Fix DEVMAP_HASH overflow check on 32-bit arches
  bpf: Fix hashtab overflow check on 32-bit arches
  bpf: Fix stackmap overflow check on 32-bit arches

Tomi Valkeinen (1):
  drm/tidss: Fix initial plane zpos values

Tommaso Merciai (1):
  net: phy: DP83822: enable rgmii mode if phy_interface_is_rgmii

Tudor Ambarus (1):
  tty: serial: samsung: fix tx_empty() to return TIOCSER_TEMT

Uwe Kleine-König (6):
  Input: gpio_keys_polled - suppress deferred probe error for gpio
  pwm: atmel-hlcdc: Convert to platform remove callback returning void
  pwm: atmel-hlcdc: Use consistent variable naming
  pwm: atmel-hlcdc: Fix clock imbalance related to suspend support
  pwm: sti: Implement .apply() callback
  pwm: sti: Fix capture for st,pwm-num-chan < st,capture-num-chan

Vinicius Costa Gomes (1):
  igb: Fix missing time sync events

Viresh Kumar (1):
  OPP: debugfs: Fix warning around icc_get_name()

Wang Jianjian (1):
  quota: Fix potential NULL pointer dereference

William Kucharski (1):
  RDMA/srpt: Do not register event handler until srpt device is fully
    setup

Xingyuan Mo (1):
  wifi: ath10k: fix NULL pointer dereference in
    ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev()

Xiuhong Wang (1):
  f2fs: compress: fix reserve_cblocks counting error when out of space

Yan Zhai (3):
  rcu: add a helper to report consolidated flavor QS
  net: report RCU QS on threaded NAPI repolling
  bpf: report RCU QS in cpumap kthread

Yang Jihong (3):
  perf record: Fix possible incorrect free in record__switch_output()
  perf evsel: Fix duplicate initialization of data->id in
    evsel__parse_sample()
  perf thread_map: Free strlist on normal path in
    thread_map__new_by_tid_str()

Yang Yingliang (1):
  NTB: fix possible name leak in ntb_register_device()

Yewon Choi (1):
  rds: introduce acquire/release ordering in acquire/release_in_xmit()

Yishai Hadas (1):
  RDMA/mlx5: Relax DEVX access upon modify commands

Yonghong Song (1):
  bpf: Mark bpf_spin_{lock,unlock}() helpers with notrace correctly

Yonglong Liu (1):
  net: hns3: fix kernel crash when 1588 is received on HIP08 devices

Yuxuan Hu (1):
  Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security

Zhang Shurong (1):
  drm/tegra: dpaux: Fix PM disable depth imbalance in tegra_dpaux_probe

Zhipeng Lu (9):
  wifi: libertas: fix some memleaks in lbs_allocate_cmd_buffer()
  SUNRPC: fix some memleaks in gssx_dec_option_array
  drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node
  drm/lima: fix a memleak in lima_heap_alloc
  media: v4l2-tpg: fix some memleaks in tpg_alloc
  media: v4l2-mem2mem: fix a memleak in v4l2_m2m_register_entity
  media: edia: dvbdev: fix a use-after-free
  media: go7007: fix a memleak in go7007_load_encoder
  media: ttpci: fix two memleaks in budget_av_attach

ruanjinjie (1):
  NTB: EPF: fix possible memory leak in pci_vntb_probe()

 .../testing/sysfs-bus-pci-devices-aer_stats   |    6 +-
 .../admin-guide/kernel-parameters.txt         |   17 +-
 Makefile                                      |    4 +-
 arch/arm/boot/dts/arm-realview-pb1176.dts     |    2 +-
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 .../boot/dts/broadcom/bcmbca/bcm4908.dtsi     |    3 -
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 arch/powerpc/platforms/embedded6xx/mpc10x.h   |    3 +
 arch/powerpc/platforms/powermac/backlight.c   |   26 -
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 arch/sparc/kernel/leon_pci_grpci2.c           |    2 +-
 arch/x86/include/asm/vsyscall.h               |   10 +
 arch/x86/mm/fault.c                           |    9 -
 arch/x86/mm/maccess.c                         |   10 +
 arch/x86/tools/relocs.c                       |    8 +
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 block/opal_proto.h                            |    1 +
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 drivers/input/keyboard/gpio_keys_polled.c     |   10 +-
 drivers/iommu/amd/init.c                      |    3 +
 drivers/iommu/intel/pasid.c                   |    3 +
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 drivers/md/dm-crypt.c                         |    4 +-
 drivers/md/dm-raid.c                          |    4 +-
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 drivers/media/i2c/tc358743.c                  |    7 +-
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 drivers/media/usb/go7007/go7007-driver.c      |    8 +-
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 drivers/mfd/syscon.c                          |    4 +-
 drivers/mmc/host/wmt-sdmmc.c                  |    4 -
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 drivers/net/dsa/mt7530.c                      |   56 +-
 drivers/net/dsa/mt7530.h                      |   27 +
 drivers/net/ethernet/amazon/ena/ena_netdev.c  |   17 -
 .../net/ethernet/broadcom/bnx2x/bnx2x_cmn.h   |    6 +-
 .../hisilicon/hns3/hns3pf/hclge_main.c        |    5 +-
 .../hisilicon/hns3/hns3pf/hclge_ptp.c         |    2 +-
 drivers/net/ethernet/intel/igb/igb_main.c     |  112 +-
 .../net/ethernet/marvell/octeontx2/af/cgx.c   |    2 +-
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 drivers/net/ethernet/mediatek/mtk_eth_soc.c   |   38 +-
 drivers/net/ethernet/mediatek/mtk_ppe.c       |   18 +-
 .../ethernet/netronome/nfp/flower/lag_conf.c  |    5 +
 drivers/net/phy/dp83822.c                     |   38 +-
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 drivers/net/usb/sr9800.c                      |    4 +-
 drivers/net/veth.c                            |   18 -
 drivers/net/wireguard/receive.c               |    6 +-
 drivers/net/wireless/ath/ath10k/core.c        |    3 -
 drivers/net/wireless/ath/ath10k/sdio.c        |    1 -
 drivers/net/wireless/ath/ath10k/wmi-tlv.c     |    4 +
 drivers/net/wireless/ath/ath9k/htc.h          |    2 +-
 drivers/net/wireless/ath/ath9k/htc_drv_init.c |    4 +
 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c |    4 -
 drivers/net/wireless/ath/ath9k/wmi.c          |   10 +-
 drivers/net/wireless/broadcom/b43/b43.h       |   16 +
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 .../broadcom/brcm80211/brcmsmac/phy/phy_cmn.c |    3 +-
 .../broadcom/brcm80211/brcmsmac/phy_shim.c    |    5 +-
 .../broadcom/brcm80211/brcmsmac/phy_shim.h    |    2 +-
 .../net/wireless/intel/iwlegacy/3945-mac.c    |    1 -
 .../net/wireless/intel/iwlegacy/4965-mac.c    |    1 -
 drivers/net/wireless/intel/iwlwifi/dvm/main.c |    1 -
 drivers/net/wireless/intel/iwlwifi/fw/acpi.c  |    2 +-
 .../net/wireless/intel/iwlwifi/iwl-dbg-tlv.c  |    6 +
 drivers/net/wireless/intel/iwlwifi/mvm/d3.c   |    4 +-
 drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c |   26 +-
 drivers/net/wireless/marvell/libertas/cmd.c   |   13 +-
 .../net/wireless/marvell/mwifiex/cfg80211.c   |    2 -
 .../net/wireless/marvell/mwifiex/debugfs.c    |    3 -
 drivers/net/wireless/marvell/mwifiex/main.c   |    2 -
 .../wireless/microchip/wilc1000/cfg80211.c    |    1 -
 drivers/net/wireless/microchip/wilc1000/hif.c |   40 +-
 .../net/wireless/microchip/wilc1000/netdev.c  |   29 +-
 drivers/net/wireless/quantenna/qtnfmac/core.c |    2 -
 .../wireless/quantenna/qtnfmac/pcie/pcie.c    |    2 -
 .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c |    1 +
 drivers/net/wireless/realtek/rtlwifi/pci.c    |    1 -
 drivers/net/wireless/realtek/rtw88/rtw8821c.c |    2 +-
 drivers/net/wireless/rndis_wlan.c             |    2 -
 drivers/net/wireless/st/cw1200/bh.c           |    2 -
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 drivers/pci/p2pdma.c                          |    2 +-
 drivers/pci/pci.h                             |    5 -
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 drivers/pci/quirks.c                          |    1 +
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 fs/afs/dir.c                                  |   10 -
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 include/linux/mlx5/qp.h                       |    5 +-
 include/linux/moduleloader.h                  |    8 +
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 include/linux/poll.h                          |    4 -
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 include/linux/sockptr.h                       |    5 +
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 io_uring/io_uring.c                           |  234 +--
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 lib/test_blackhole_dev.c                      |    3 +-
 net/bluetooth/hci_core.c                      |    2 +-
 net/bluetooth/hci_event.c                     |    2 -
 net/bluetooth/rfcomm/core.c                   |    2 +-
 net/core/dev.c                                |    5 +-
 net/core/filter.c                             |    5 +-
 net/core/scm.c                                |    2 +-
 net/core/sock.c                               |   51 +-
 net/core/sock_diag.c                          |   10 +-
 net/hsr/hsr_framereg.c                        |    4 +
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 net/ipv4/igmp.c                               |   22 +-
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 net/ipv4/ipmr.c                               |   13 +-
 net/ipv4/tcp.c                                |    4 +-
 net/ipv4/udp.c                                |    4 +-
 net/ipv6/fib6_rules.c                         |    6 +
 net/ipv6/mcast.c                              |    1 -
 net/iucv/iucv.c                               |    4 +-
 net/kcm/kcmsock.c                             |    3 +-
 net/l2tp/l2tp_ppp.c                           |    4 +-
 net/netfilter/nf_tables_api.c                 |    2 +-
 net/netfilter/nft_set_pipapo.c                |    5 +-
 net/packet/af_packet.c                        |    4 +-
 net/rds/send.c                                |    5 +-
 net/sunrpc/addr.c                             |    4 +-
 net/sunrpc/auth_gss/gss_rpc_xdr.c             |   27 +-
 net/unix/garbage.c                            |    2 +-
 net/unix/scm.c                                |    4 +-
 net/x25/af_x25.c                              |    4 +-
 scripts/clang-tools/gen_compile_commands.py   |    2 +-
 scripts/kconfig/lexer.l                       |    7 +-
 sound/core/seq/seq_midi.c                     |    8 +-
 sound/core/seq/seq_virmidi.c                  |    9 +-
 sound/pci/hda/patch_realtek.c                 |   64 +
 sound/soc/codecs/rt5645.c                     |   10 +
 sound/soc/codecs/wm8962.c                     |   29 +-
 sound/soc/intel/boards/bytcr_rt5640.c         |   12 +
 sound/soc/meson/aiu.c                         |   49 +-
 sound/soc/meson/aiu.h                         |    1 -
 sound/soc/meson/axg-fifo.c                    |   16 +-
 sound/soc/meson/axg-pdm.c                     |   25 +-
 sound/soc/meson/axg-spdifin.c                 |   17 +-
 sound/soc/meson/axg-spdifout.c                |   17 +-
 sound/soc/meson/axg-tdm-formatter.c           |   50 +-
 sound/soc/meson/axg-tdm-interface.c           |   54 +-
 sound/soc/meson/meson-card-utils.c            |    8 +-
 sound/soc/meson/t9015.c                       |   30 +-
 sound/usb/stream.c                            |    5 +-
 tools/bpf/bpftool/prog.c                      |    2 +-
 tools/lib/bpf/libbpf.c                        |    4 +
 tools/perf/builtin-record.c                   |    2 +-
 tools/perf/util/evsel.c                       |    1 -
 tools/perf/util/stat-display.c                |    2 +-
 tools/perf/util/thread_map.c                  |    2 +-
 .../selftests/bpf/progs/test_map_in_map.c     |   26 +
 tools/testing/selftests/bpf/test_maps.c       |    6 +-
 tools/testing/selftests/net/tls.c             |    8 +-
 361 files changed, 4909 insertions(+), 1864 deletions(-)
 create mode 100644 drivers/pci/endpoint/functions/pci-epf-vntb.c

-- 
2.43.0


^ permalink raw reply	[flat|nested] 334+ messages in thread

* [PATCH 5.15 001/317] io_uring/unix: drop usage of io_uring socket
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 002/317] io_uring: drop any code related to SCM_RIGHTS Sasha Levin
                   ` (318 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jens Axboe, Sasha Levin

From: Jens Axboe <axboe@kernel.dk>

Commit a4104821ad651d8a0b374f0b2474c345bbb42f82 upstream.

Since we no longer allow sending io_uring fds over SCM_RIGHTS, move to
using io_is_uring_fops() to detect whether this is a io_uring fd or not.
With that done, kill off io_uring_get_socket() as nobody calls it
anymore.

This is in preparation to yanking out the rest of the core related to
unix gc with io_uring.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/io_uring.h | 10 +++++-----
 io_uring/io_uring.c      | 18 +++++-------------
 net/core/scm.c           |  2 +-
 net/unix/scm.c           |  4 +---
 4 files changed, 12 insertions(+), 22 deletions(-)

diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index 649a4d7c241bc..55d09f594cd14 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -6,9 +6,9 @@
 #include <linux/xarray.h>
 
 #if defined(CONFIG_IO_URING)
-struct sock *io_uring_get_socket(struct file *file);
 void __io_uring_cancel(bool cancel_all);
 void __io_uring_free(struct task_struct *tsk);
+bool io_is_uring_fops(struct file *file);
 
 static inline void io_uring_files_cancel(void)
 {
@@ -26,10 +26,6 @@ static inline void io_uring_free(struct task_struct *tsk)
 		__io_uring_free(tsk);
 }
 #else
-static inline struct sock *io_uring_get_socket(struct file *file)
-{
-	return NULL;
-}
 static inline void io_uring_task_cancel(void)
 {
 }
@@ -39,6 +35,10 @@ static inline void io_uring_files_cancel(void)
 static inline void io_uring_free(struct task_struct *tsk)
 {
 }
+static inline bool io_is_uring_fops(struct file *file)
+{
+	return false;
+}
 #endif
 
 #endif
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 55fd6d98fe121..541e6a6985ecc 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1116,19 +1116,6 @@ static struct kmem_cache *req_cachep;
 
 static const struct file_operations io_uring_fops;
 
-struct sock *io_uring_get_socket(struct file *file)
-{
-#if defined(CONFIG_UNIX)
-	if (file->f_op == &io_uring_fops) {
-		struct io_ring_ctx *ctx = file->private_data;
-
-		return ctx->ring_sock->sk;
-	}
-#endif
-	return NULL;
-}
-EXPORT_SYMBOL(io_uring_get_socket);
-
 static inline void io_tw_lock(struct io_ring_ctx *ctx, bool *locked)
 {
 	if (!*locked) {
@@ -10445,6 +10432,11 @@ static const struct file_operations io_uring_fops = {
 #endif
 };
 
+bool io_is_uring_fops(struct file *file)
+{
+	return file->f_op == &io_uring_fops;
+}
+
 static int io_allocate_scq_urings(struct io_ring_ctx *ctx,
 				  struct io_uring_params *p)
 {
diff --git a/net/core/scm.c b/net/core/scm.c
index e762a4b8a1d22..a877c4ef4c256 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -105,7 +105,7 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp)
 		if (fd < 0 || !(file = fget_raw(fd)))
 			return -EBADF;
 		/* don't allow io_uring files */
-		if (io_uring_get_socket(file)) {
+		if (io_is_uring_fops(file)) {
 			fput(file);
 			return -EINVAL;
 		}
diff --git a/net/unix/scm.c b/net/unix/scm.c
index e8e2a00bb0f58..d1048b4c2baaf 100644
--- a/net/unix/scm.c
+++ b/net/unix/scm.c
@@ -34,10 +34,8 @@ struct sock *unix_get_socket(struct file *filp)
 		/* PF_UNIX ? */
 		if (s && sock->ops && sock->ops->family == PF_UNIX)
 			u_sock = s;
-	} else {
-		/* Could be an io_uring instance */
-		u_sock = io_uring_get_socket(filp);
 	}
+
 	return u_sock;
 }
 EXPORT_SYMBOL(unix_get_socket);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 002/317] io_uring: drop any code related to SCM_RIGHTS
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 001/317] io_uring/unix: drop usage of io_uring socket Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 003/317] rcu-tasks: Provide rcu_trace_implies_rcu_gp() Sasha Levin
                   ` (317 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jens Axboe, Sasha Levin

From: Jens Axboe <axboe@kernel.dk>

Commit 6e5e6d274956305f1fc0340522b38f5f5be74bdb upstream.

This is dead code after we dropped support for passing io_uring fds
over SCM_RIGHTS, get rid of it.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 io_uring/io_uring.c | 211 +-------------------------------------------
 1 file changed, 3 insertions(+), 208 deletions(-)

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 541e6a6985ecc..386b32e6fd9a8 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -62,7 +62,6 @@
 #include <linux/net.h>
 #include <net/sock.h>
 #include <net/af_unix.h>
-#include <net/scm.h>
 #include <linux/anon_inodes.h>
 #include <linux/sched/mm.h>
 #include <linux/uaccess.h>
@@ -440,9 +439,6 @@ struct io_ring_ctx {
 
 	/* Keep this last, we don't need it for the fast path */
 	struct {
-		#if defined(CONFIG_UNIX)
-			struct socket		*ring_sock;
-		#endif
 		/* hashed buffered write serialization */
 		struct io_wq_hash		*hash_map;
 
@@ -8151,15 +8147,6 @@ static void io_free_file_tables(struct io_file_table *table)
 
 static void __io_sqe_files_unregister(struct io_ring_ctx *ctx)
 {
-#if defined(CONFIG_UNIX)
-	if (ctx->ring_sock) {
-		struct sock *sock = ctx->ring_sock->sk;
-		struct sk_buff *skb;
-
-		while ((skb = skb_dequeue(&sock->sk_receive_queue)) != NULL)
-			kfree_skb(skb);
-	}
-#else
 	int i;
 
 	for (i = 0; i < ctx->nr_user_files; i++) {
@@ -8169,7 +8156,6 @@ static void __io_sqe_files_unregister(struct io_ring_ctx *ctx)
 		if (file)
 			fput(file);
 	}
-#endif
 	io_free_file_tables(&ctx->file_table);
 	io_rsrc_data_free(ctx->file_data);
 	ctx->file_data = NULL;
@@ -8321,170 +8307,11 @@ static struct io_sq_data *io_get_sq_data(struct io_uring_params *p,
 	return sqd;
 }
 
-#if defined(CONFIG_UNIX)
-/*
- * Ensure the UNIX gc is aware of our file set, so we are certain that
- * the io_uring can be safely unregistered on process exit, even if we have
- * loops in the file referencing.
- */
-static int __io_sqe_files_scm(struct io_ring_ctx *ctx, int nr, int offset)
-{
-	struct sock *sk = ctx->ring_sock->sk;
-	struct scm_fp_list *fpl;
-	struct sk_buff *skb;
-	int i, nr_files;
-
-	fpl = kzalloc(sizeof(*fpl), GFP_KERNEL);
-	if (!fpl)
-		return -ENOMEM;
-
-	skb = alloc_skb(0, GFP_KERNEL);
-	if (!skb) {
-		kfree(fpl);
-		return -ENOMEM;
-	}
-
-	skb->sk = sk;
-	skb->scm_io_uring = 1;
-
-	nr_files = 0;
-	fpl->user = get_uid(current_user());
-	for (i = 0; i < nr; i++) {
-		struct file *file = io_file_from_index(ctx, i + offset);
-
-		if (!file)
-			continue;
-		fpl->fp[nr_files] = get_file(file);
-		unix_inflight(fpl->user, fpl->fp[nr_files]);
-		nr_files++;
-	}
-
-	if (nr_files) {
-		fpl->max = SCM_MAX_FD;
-		fpl->count = nr_files;
-		UNIXCB(skb).fp = fpl;
-		skb->destructor = unix_destruct_scm;
-		refcount_add(skb->truesize, &sk->sk_wmem_alloc);
-		skb_queue_head(&sk->sk_receive_queue, skb);
-
-		for (i = 0; i < nr; i++) {
-			struct file *file = io_file_from_index(ctx, i + offset);
-
-			if (file)
-				fput(file);
-		}
-	} else {
-		kfree_skb(skb);
-		free_uid(fpl->user);
-		kfree(fpl);
-	}
-
-	return 0;
-}
-
-/*
- * If UNIX sockets are enabled, fd passing can cause a reference cycle which
- * causes regular reference counting to break down. We rely on the UNIX
- * garbage collection to take care of this problem for us.
- */
-static int io_sqe_files_scm(struct io_ring_ctx *ctx)
-{
-	unsigned left, total;
-	int ret = 0;
-
-	total = 0;
-	left = ctx->nr_user_files;
-	while (left) {
-		unsigned this_files = min_t(unsigned, left, SCM_MAX_FD);
-
-		ret = __io_sqe_files_scm(ctx, this_files, total);
-		if (ret)
-			break;
-		left -= this_files;
-		total += this_files;
-	}
-
-	if (!ret)
-		return 0;
-
-	while (total < ctx->nr_user_files) {
-		struct file *file = io_file_from_index(ctx, total);
-
-		if (file)
-			fput(file);
-		total++;
-	}
-
-	return ret;
-}
-#else
-static int io_sqe_files_scm(struct io_ring_ctx *ctx)
-{
-	return 0;
-}
-#endif
-
 static void io_rsrc_file_put(struct io_ring_ctx *ctx, struct io_rsrc_put *prsrc)
 {
 	struct file *file = prsrc->file;
-#if defined(CONFIG_UNIX)
-	struct sock *sock = ctx->ring_sock->sk;
-	struct sk_buff_head list, *head = &sock->sk_receive_queue;
-	struct sk_buff *skb;
-	int i;
 
-	__skb_queue_head_init(&list);
-
-	/*
-	 * Find the skb that holds this file in its SCM_RIGHTS. When found,
-	 * remove this entry and rearrange the file array.
-	 */
-	skb = skb_dequeue(head);
-	while (skb) {
-		struct scm_fp_list *fp;
-
-		fp = UNIXCB(skb).fp;
-		for (i = 0; i < fp->count; i++) {
-			int left;
-
-			if (fp->fp[i] != file)
-				continue;
-
-			unix_notinflight(fp->user, fp->fp[i]);
-			left = fp->count - 1 - i;
-			if (left) {
-				memmove(&fp->fp[i], &fp->fp[i + 1],
-						left * sizeof(struct file *));
-			}
-			fp->count--;
-			if (!fp->count) {
-				kfree_skb(skb);
-				skb = NULL;
-			} else {
-				__skb_queue_tail(&list, skb);
-			}
-			fput(file);
-			file = NULL;
-			break;
-		}
-
-		if (!file)
-			break;
-
-		__skb_queue_tail(&list, skb);
-
-		skb = skb_dequeue(head);
-	}
-
-	if (skb_peek(&list)) {
-		spin_lock_irq(&head->lock);
-		while ((skb = __skb_dequeue(&list)) != NULL)
-			__skb_queue_tail(head, skb);
-		spin_unlock_irq(&head->lock);
-	}
-#else
 	fput(file);
-#endif
 }
 
 static void __io_rsrc_put_work(struct io_rsrc_node *ref_node)
@@ -8595,12 +8422,6 @@ static int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
 		io_fixed_file_set(io_fixed_file_slot(&ctx->file_table, i), file);
 	}
 
-	ret = io_sqe_files_scm(ctx);
-	if (ret) {
-		__io_sqe_files_unregister(ctx);
-		return ret;
-	}
-
 	io_rsrc_node_switch(ctx, NULL);
 	return ret;
 out_fput:
@@ -9557,12 +9378,6 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx)
 	WARN_ON_ONCE(!list_empty(&ctx->rsrc_ref_list));
 	WARN_ON_ONCE(!llist_empty(&ctx->rsrc_put_llist));
 
-#if defined(CONFIG_UNIX)
-	if (ctx->ring_sock) {
-		ctx->ring_sock->file = NULL; /* so that iput() is called */
-		sock_release(ctx->ring_sock);
-	}
-#endif
 	WARN_ON_ONCE(!list_empty(&ctx->ltimeout_list));
 
 	if (ctx->mm_account) {
@@ -10499,32 +10314,12 @@ static int io_uring_install_fd(struct io_ring_ctx *ctx, struct file *file)
 /*
  * Allocate an anonymous fd, this is what constitutes the application
  * visible backing of an io_uring instance. The application mmaps this
- * fd to gain access to the SQ/CQ ring details. If UNIX sockets are enabled,
- * we have to tie this fd to a socket for file garbage collection purposes.
+ * fd to gain access to the SQ/CQ ring details.
  */
 static struct file *io_uring_get_file(struct io_ring_ctx *ctx)
 {
-	struct file *file;
-#if defined(CONFIG_UNIX)
-	int ret;
-
-	ret = sock_create_kern(&init_net, PF_UNIX, SOCK_RAW, IPPROTO_IP,
-				&ctx->ring_sock);
-	if (ret)
-		return ERR_PTR(ret);
-#endif
-
-	file = anon_inode_getfile("[io_uring]", &io_uring_fops, ctx,
-					O_RDWR | O_CLOEXEC);
-#if defined(CONFIG_UNIX)
-	if (IS_ERR(file)) {
-		sock_release(ctx->ring_sock);
-		ctx->ring_sock = NULL;
-	} else {
-		ctx->ring_sock->file = file;
-	}
-#endif
-	return file;
+	return anon_inode_getfile("[io_uring]", &io_uring_fops, ctx,
+				  O_RDWR | O_CLOEXEC);
 }
 
 static int io_uring_create(unsigned entries, struct io_uring_params *p,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 003/317] rcu-tasks: Provide rcu_trace_implies_rcu_gp()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 001/317] io_uring/unix: drop usage of io_uring socket Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 002/317] io_uring: drop any code related to SCM_RIGHTS Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 004/317] bpf: Defer the free of inner map when necessary Sasha Levin
                   ` (316 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Paul E. McKenney, Hou Tao, Alexei Starovoitov, Martin KaFai Lau,
	Sasha Levin, Robert Kolchmeyer

From: "Paul E. McKenney" <paulmck@kernel.org>

[ Upstream commit e6c86c513f440bec5f1046539c7e3c6c653842da ]

As an accident of implementation, an RCU Tasks Trace grace period also
acts as an RCU grace period.  However, this could change at any time.
This commit therefore creates an rcu_trace_implies_rcu_gp() that currently
returns true to codify this accident.  Code relying on this accident
must call this function to verify that this accident is still happening.

Reported-by: Hou Tao <houtao@huaweicloud.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Link: https://lore.kernel.org/r/20221014113946.965131-2-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Stable-dep-of: 876673364161 ("bpf: Defer the free of inner map when necessary")
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 10108826191ab30388e8ae9d54505a628f78a7ec)
Signed-off-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/rcupdate.h | 12 ++++++++++++
 kernel/rcu/tasks.h       |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 13bddb841ceb1..e3b12de36e924 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -205,6 +205,18 @@ static inline void exit_tasks_rcu_stop(void) { }
 static inline void exit_tasks_rcu_finish(void) { }
 #endif /* #else #ifdef CONFIG_TASKS_RCU_GENERIC */
 
+/**
+ * rcu_trace_implies_rcu_gp - does an RCU Tasks Trace grace period imply an RCU grace period?
+ *
+ * As an accident of implementation, an RCU Tasks Trace grace period also
+ * acts as an RCU grace period.  However, this could change at any time.
+ * Code relying on this accident must call this function to verify that
+ * this accident is still happening.
+ *
+ * You have been warned!
+ */
+static inline bool rcu_trace_implies_rcu_gp(void) { return true; }
+
 /**
  * cond_resched_tasks_rcu_qs - Report potential quiescent states to RCU
  *
diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index 28f628c702452..b24ef77325eed 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -1098,6 +1098,8 @@ static void rcu_tasks_trace_postscan(struct list_head *hop)
 
 	// Wait for late-stage exiting tasks to finish exiting.
 	// These might have passed the call to exit_tasks_rcu_finish().
+
+	// If you remove the following line, update rcu_trace_implies_rcu_gp()!!!
 	synchronize_rcu();
 	// Any tasks that exit after this point will set ->trc_reader_checked.
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 004/317] bpf: Defer the free of inner map when necessary
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (2 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 003/317] rcu-tasks: Provide rcu_trace_implies_rcu_gp() Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 005/317] btrfs: add and use helper to check if block group is used Sasha Levin
                   ` (315 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Hou Tao, Alexei Starovoitov, Sasha Levin, Robert Kolchmeyer

From: Hou Tao <houtao1@huawei.com>

[ Upstream commit 876673364161da50eed6b472d746ef88242b2368 ]

When updating or deleting an inner map in map array or map htab, the map
may still be accessed by non-sleepable program or sleepable program.
However bpf_map_fd_put_ptr() decreases the ref-counter of the inner map
directly through bpf_map_put(), if the ref-counter is the last one
(which is true for most cases), the inner map will be freed by
ops->map_free() in a kworker. But for now, most .map_free() callbacks
don't use synchronize_rcu() or its variants to wait for the elapse of a
RCU grace period, so after the invocation of ops->map_free completes,
the bpf program which is accessing the inner map may incur
use-after-free problem.

Fix the free of inner map by invoking bpf_map_free_deferred() after both
one RCU grace period and one tasks trace RCU grace period if the inner
map has been removed from the outer map before. The deferment is
accomplished by using call_rcu() or call_rcu_tasks_trace() when
releasing the last ref-counter of bpf map. The newly-added rcu_head
field in bpf_map shares the same storage space with work field to
reduce the size of bpf_map.

Fixes: bba1dc0b55ac ("bpf: Remove redundant synchronize_rcu.")
Fixes: 638e4b825d52 ("bpf: Allows per-cpu maps and map-in-map in sleepable programs")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20231204140425.1480317-5-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 62fca83303d608ad4fec3f7428c8685680bb01b0)
Signed-off-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/bpf.h     |  7 ++++++-
 kernel/bpf/map_in_map.c | 11 ++++++++---
 kernel/bpf/syscall.c    | 26 ++++++++++++++++++++++++--
 3 files changed, 38 insertions(+), 6 deletions(-)

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 97d94bcba1314..df15d4d445ddc 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -192,9 +192,14 @@ struct bpf_map {
 	 */
 	atomic64_t refcnt ____cacheline_aligned;
 	atomic64_t usercnt;
-	struct work_struct work;
+	/* rcu is used before freeing and work is only used during freeing */
+	union {
+		struct work_struct work;
+		struct rcu_head rcu;
+	};
 	struct mutex freeze_mutex;
 	atomic64_t writecnt;
+	bool free_after_mult_rcu_gp;
 };
 
 static inline bool map_value_has_spin_lock(const struct bpf_map *map)
diff --git a/kernel/bpf/map_in_map.c b/kernel/bpf/map_in_map.c
index af0f15db1bf9a..4cf79f86bf458 100644
--- a/kernel/bpf/map_in_map.c
+++ b/kernel/bpf/map_in_map.c
@@ -110,10 +110,15 @@ void *bpf_map_fd_get_ptr(struct bpf_map *map,
 
 void bpf_map_fd_put_ptr(struct bpf_map *map, void *ptr, bool need_defer)
 {
-	/* ptr->ops->map_free() has to go through one
-	 * rcu grace period by itself.
+	struct bpf_map *inner_map = ptr;
+
+	/* The inner map may still be used by both non-sleepable and sleepable
+	 * bpf program, so free it after one RCU grace period and one tasks
+	 * trace RCU grace period.
 	 */
-	bpf_map_put(ptr);
+	if (need_defer)
+		WRITE_ONCE(inner_map->free_after_mult_rcu_gp, true);
+	bpf_map_put(inner_map);
 }
 
 u32 bpf_map_fd_sys_lookup_elem(void *ptr)
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 64206856a05c4..d4b4a47081b51 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -487,6 +487,25 @@ static void bpf_map_put_uref(struct bpf_map *map)
 	}
 }
 
+static void bpf_map_free_in_work(struct bpf_map *map)
+{
+	INIT_WORK(&map->work, bpf_map_free_deferred);
+	schedule_work(&map->work);
+}
+
+static void bpf_map_free_rcu_gp(struct rcu_head *rcu)
+{
+	bpf_map_free_in_work(container_of(rcu, struct bpf_map, rcu));
+}
+
+static void bpf_map_free_mult_rcu_gp(struct rcu_head *rcu)
+{
+	if (rcu_trace_implies_rcu_gp())
+		bpf_map_free_rcu_gp(rcu);
+	else
+		call_rcu(rcu, bpf_map_free_rcu_gp);
+}
+
 /* decrement map refcnt and schedule it for freeing via workqueue
  * (unrelying map implementation ops->map_free() might sleep)
  */
@@ -496,8 +515,11 @@ static void __bpf_map_put(struct bpf_map *map, bool do_idr_lock)
 		/* bpf_map_free_id() must be called first */
 		bpf_map_free_id(map, do_idr_lock);
 		btf_put(map->btf);
-		INIT_WORK(&map->work, bpf_map_free_deferred);
-		schedule_work(&map->work);
+
+		if (READ_ONCE(map->free_after_mult_rcu_gp))
+			call_rcu_tasks_trace(&map->rcu, bpf_map_free_mult_rcu_gp);
+		else
+			bpf_map_free_in_work(map);
 	}
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 005/317] btrfs: add and use helper to check if block group is used
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (3 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 004/317] bpf: Defer the free of inner map when necessary Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-25 18:25   ` David Sterba
  2024-03-24 23:29 ` [PATCH 5.15 006/317] selftests: tls: use exact comparison in recv_partial Sasha Levin
                   ` (314 subsequent siblings)
  319 siblings, 1 reply; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Filipe Manana, Johannes Thumshirn, Josef Bacik, Boris Burkov,
	David Sterba, Sasha Levin

From: Filipe Manana <fdmanana@suse.com>

[ Upstream commit 1693d5442c458ae8d5b0d58463b873cd879569ed ]

Add a helper function to determine if a block group is being used and make
use of it at btrfs_delete_unused_bgs(). This helper will also be used in
future code changes.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/btrfs/block-group.c | 3 +--
 fs/btrfs/block-group.h | 7 +++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 4ca6828586af5..a2bac7196d18b 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -1330,8 +1330,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
 		}
 
 		spin_lock(&block_group->lock);
-		if (block_group->reserved || block_group->pinned ||
-		    block_group->used || block_group->ro ||
+		if (btrfs_is_block_group_used(block_group) || block_group->ro ||
 		    list_is_singular(&block_group->list)) {
 			/*
 			 * We want to bail if we made new allocations or have
diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h
index a15868d607a92..f042c1c85a255 100644
--- a/fs/btrfs/block-group.h
+++ b/fs/btrfs/block-group.h
@@ -211,6 +211,13 @@ static inline u64 btrfs_block_group_end(struct btrfs_block_group *block_group)
 	return (block_group->start + block_group->length);
 }
 
+static inline bool btrfs_is_block_group_used(const struct btrfs_block_group *bg)
+{
+	lockdep_assert_held(&bg->lock);
+
+	return (bg->used > 0 || bg->reserved > 0 || bg->pinned > 0);
+}
+
 static inline bool btrfs_is_block_group_data_only(
 					struct btrfs_block_group *block_group)
 {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 006/317] selftests: tls: use exact comparison in recv_partial
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (4 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 005/317] btrfs: add and use helper to check if block group is used Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 007/317] ASoC: rt5645: Make LattePanda board DMI match more precise Sasha Levin
                   ` (313 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jakub Kicinski, Simon Horman, David S . Miller, Sasha Levin

From: Jakub Kicinski <kuba@kernel.org>

[ Upstream commit 49d821064c44cb5ffdf272905236012ea9ce50e3 ]

This exact case was fail for async crypto and we weren't
catching it.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/testing/selftests/net/tls.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index 3bdb093731358..637f1b8ec13b4 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -716,12 +716,12 @@ TEST_F(tls, recv_partial)
 
 	memset(recv_mem, 0, sizeof(recv_mem));
 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
-	EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first),
-		       MSG_WAITALL), -1);
+	EXPECT_EQ(recv(self->cfd, recv_mem, strlen(test_str_first),
+		       MSG_WAITALL), strlen(test_str_first));
 	EXPECT_EQ(memcmp(test_str_first, recv_mem, strlen(test_str_first)), 0);
 	memset(recv_mem, 0, sizeof(recv_mem));
-	EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_second),
-		       MSG_WAITALL), -1);
+	EXPECT_EQ(recv(self->cfd, recv_mem, strlen(test_str_second),
+		       MSG_WAITALL), strlen(test_str_second));
 	EXPECT_EQ(memcmp(test_str_second, recv_mem, strlen(test_str_second)),
 		  0);
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 007/317] ASoC: rt5645: Make LattePanda board DMI match more precise
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (5 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 006/317] selftests: tls: use exact comparison in recv_partial Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 008/317] x86/xen: Add some null pointer checking to smp.c Sasha Levin
                   ` (312 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Hans de Goede, Mark Brown, Sasha Levin

From: Hans de Goede <hdegoede@redhat.com>

[ Upstream commit 551539a8606e28cb2a130f8ef3e9834235b456c4 ]

The DMI strings used for the LattePanda board DMI quirks are very generic.

Using the dmidecode database from https://linux-hardware.org/ shows
that the chosen DMI strings also match the following 2 laptops
which also have a rt5645 codec:

Insignia NS-P11W7100 https://linux-hardware.org/?computer=E092FFF8BA04
Insignia NS-P10W8100 https://linux-hardware.org/?computer=AFB6C0BF7934

All 4 hw revisions of the LattePanda board have "S70CR" in their BIOS
version DMI strings:

DF-BI-7-S70CR100-*
DF-BI-7-S70CR110-*
DF-BI-7-S70CR200-*
LP-BS-7-S70CR700-*

See e.g. https://linux-hardware.org/?computer=D98250A817C0

Add a partial (non exact) DMI match on this string to make the LattePanda
board DMI match more precise to avoid false-positive matches.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://msgid.link/r/20240211212736.179605-1-hdegoede@redhat.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/rt5645.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index f903bee194d5c..2cc3d814bab41 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3803,6 +3803,16 @@ static const struct dmi_system_id dmi_platform_data[] = {
 		  DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 		  DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
 		  DMI_EXACT_MATCH(DMI_BOARD_VERSION, "Default string"),
+		  /*
+		   * Above strings are too generic, LattePanda BIOS versions for
+		   * all 4 hw revisions are:
+		   * DF-BI-7-S70CR100-*
+		   * DF-BI-7-S70CR110-*
+		   * DF-BI-7-S70CR200-*
+		   * LP-BS-7-S70CR700-*
+		   * Do a partial match for S70CR to avoid false positive matches.
+		   */
+		  DMI_MATCH(DMI_BIOS_VERSION, "S70CR"),
 		},
 		.driver_data = (void *)&lattepanda_board_platform_data,
 	},
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 008/317] x86/xen: Add some null pointer checking to smp.c
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (6 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 007/317] ASoC: rt5645: Make LattePanda board DMI match more precise Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 009/317] MIPS: Clear Cause.BD in instruction_pointer_set Sasha Levin
                   ` (311 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Kunwu Chan, kernel test robot, Markus Elfring, Juergen Gross,
	Sasha Levin

From: Kunwu Chan <chentao@kylinos.cn>

[ Upstream commit 3693bb4465e6e32a204a5b86d3ec7e6b9f7e67c2 ]

kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202401161119.iof6BQsf-lkp@intel.com/
Suggested-by: Markus Elfring <Markus.Elfring@web.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20240119094948.275390-1-chentao@kylinos.cn
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/xen/smp.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index cdec892b28e2e..a641e0d452194 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -65,6 +65,8 @@ int xen_smp_intr_init(unsigned int cpu)
 	char *resched_name, *callfunc_name, *debug_name;
 
 	resched_name = kasprintf(GFP_KERNEL, "resched%d", cpu);
+	if (!resched_name)
+		goto fail_mem;
 	per_cpu(xen_resched_irq, cpu).name = resched_name;
 	rc = bind_ipi_to_irqhandler(XEN_RESCHEDULE_VECTOR,
 				    cpu,
@@ -77,6 +79,8 @@ int xen_smp_intr_init(unsigned int cpu)
 	per_cpu(xen_resched_irq, cpu).irq = rc;
 
 	callfunc_name = kasprintf(GFP_KERNEL, "callfunc%d", cpu);
+	if (!callfunc_name)
+		goto fail_mem;
 	per_cpu(xen_callfunc_irq, cpu).name = callfunc_name;
 	rc = bind_ipi_to_irqhandler(XEN_CALL_FUNCTION_VECTOR,
 				    cpu,
@@ -90,6 +94,9 @@ int xen_smp_intr_init(unsigned int cpu)
 
 	if (!xen_fifo_events) {
 		debug_name = kasprintf(GFP_KERNEL, "debug%d", cpu);
+		if (!debug_name)
+			goto fail_mem;
+
 		per_cpu(xen_debug_irq, cpu).name = debug_name;
 		rc = bind_virq_to_irqhandler(VIRQ_DEBUG, cpu,
 					     xen_debug_interrupt,
@@ -101,6 +108,9 @@ int xen_smp_intr_init(unsigned int cpu)
 	}
 
 	callfunc_name = kasprintf(GFP_KERNEL, "callfuncsingle%d", cpu);
+	if (!callfunc_name)
+		goto fail_mem;
+
 	per_cpu(xen_callfuncsingle_irq, cpu).name = callfunc_name;
 	rc = bind_ipi_to_irqhandler(XEN_CALL_FUNCTION_SINGLE_VECTOR,
 				    cpu,
@@ -114,6 +124,8 @@ int xen_smp_intr_init(unsigned int cpu)
 
 	return 0;
 
+ fail_mem:
+	rc = -ENOMEM;
  fail:
 	xen_smp_intr_free(cpu);
 	return rc;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 009/317] MIPS: Clear Cause.BD in instruction_pointer_set
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (7 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 008/317] x86/xen: Add some null pointer checking to smp.c Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 010/317] HID: multitouch: Add required quirk for Synaptics 0xcddc device Sasha Levin
                   ` (310 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jiaxun Yang, Thomas Bogendoerfer, Sasha Levin

From: Jiaxun Yang <jiaxun.yang@flygoat.com>

[ Upstream commit 9d6e21ddf20293b3880ae55b9d14de91c5891c59 ]

Clear Cause.BD after we use instruction_pointer_set to override
EPC.

This can prevent exception_epc check against instruction code at
new return address.
It won't be considered as "in delay slot" after epc being overridden
anyway.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/mips/include/asm/ptrace.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index daf3cf244ea97..b3e4dd6be7e20 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -60,6 +60,7 @@ static inline void instruction_pointer_set(struct pt_regs *regs,
                                            unsigned long val)
 {
 	regs->cp0_epc = val;
+	regs->cp0_cause &= ~CAUSEF_BD;
 }
 
 /* Query offset/name of register from its name/offset */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 010/317] HID: multitouch: Add required quirk for Synaptics 0xcddc device
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (8 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 009/317] MIPS: Clear Cause.BD in instruction_pointer_set Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 011/317] gen_compile_commands: fix invalid escape sequence warning Sasha Levin
                   ` (309 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Manuel Fombuena, Jiri Kosina, Sasha Levin

From: Manuel Fombuena <fombuena@outlook.com>

[ Upstream commit 1741a8269e1c51fa08d4bfdf34667387a6eb10ec ]

Add support for the pointing stick (Accupoint) and 2 mouse buttons.

Present on some Toshiba/dynabook Portege X30 and X40 laptops.

It should close https://bugzilla.kernel.org/show_bug.cgi?id=205817

Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hid/hid-multitouch.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index fc04538d93cbb..2e14e3071aa69 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -2151,6 +2151,10 @@ static const struct hid_device_id mt_devices[] = {
 		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
 			USB_VENDOR_ID_SYNAPTICS, 0xcd7e) },
 
+	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+			USB_VENDOR_ID_SYNAPTICS, 0xcddc) },
+
 	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
 		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
 			USB_VENDOR_ID_SYNAPTICS, 0xce08) },
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 011/317] gen_compile_commands: fix invalid escape sequence warning
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (9 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 010/317] HID: multitouch: Add required quirk for Synaptics 0xcddc device Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 012/317] RDMA/mlx5: Fix fortify source warning while accessing Eth segment Sasha Levin
                   ` (308 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Andrew Ballance, Justin Stitt, Masahiro Yamada, Sasha Levin

From: Andrew Ballance <andrewjballance@gmail.com>

[ Upstream commit dae4a0171e25884787da32823b3081b4c2acebb2 ]

With python 3.12, '\#' results in this warning
    SyntaxWarning: invalid escape sequence '\#'

Signed-off-by: Andrew Ballance <andrewjballance@gmail.com>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 scripts/clang-tools/gen_compile_commands.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/clang-tools/gen_compile_commands.py b/scripts/clang-tools/gen_compile_commands.py
index 1d1bde1fd45eb..3ac949b64b309 100755
--- a/scripts/clang-tools/gen_compile_commands.py
+++ b/scripts/clang-tools/gen_compile_commands.py
@@ -184,7 +184,7 @@ def process_line(root_directory, command_prefix, file_path):
     # escape the pound sign '#', either as '\#' or '$(pound)' (depending on the
     # kernel version). The compile_commands.json file is not interepreted
     # by Make, so this code replaces the escaped version with '#'.
-    prefix = command_prefix.replace('\#', '#').replace('$(pound)', '#')
+    prefix = command_prefix.replace(r'\#', '#').replace('$(pound)', '#')
 
     # Use os.path.abspath() to normalize the path resolving '.' and '..' .
     abs_path = os.path.abspath(os.path.join(root_directory, file_path))
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 012/317] RDMA/mlx5: Fix fortify source warning while accessing Eth segment
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (10 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 011/317] gen_compile_commands: fix invalid escape sequence warning Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 013/317] RDMA/mlx5: Relax DEVX access upon modify commands Sasha Levin
                   ` (307 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Leon Romanovsky, Sasha Levin

From: Leon Romanovsky <leonro@nvidia.com>

[ Upstream commit 4d5e86a56615cc387d21c629f9af8fb0e958d350 ]

 ------------[ cut here ]------------
 memcpy: detected field-spanning write (size 56) of single field "eseg->inline_hdr.start" at /var/lib/dkms/mlnx-ofed-kernel/5.8/build/drivers/infiniband/hw/mlx5/wr.c:131 (size 2)
 WARNING: CPU: 0 PID: 293779 at /var/lib/dkms/mlnx-ofed-kernel/5.8/build/drivers/infiniband/hw/mlx5/wr.c:131 mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]
 Modules linked in: 8021q garp mrp stp llc rdma_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) ib_umad(OE) mlx5_ib(OE) ib_uverbs(OE) ib_core(OE) mlx5_core(OE) pci_hyperv_intf mlxdevm(OE) mlx_compat(OE) tls mlxfw(OE) psample nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables libcrc32c nfnetlink mst_pciconf(OE) knem(OE) vfio_pci vfio_pci_core vfio_iommu_type1 vfio iommufd irqbypass cuse nfsv3 nfs fscache netfs xfrm_user xfrm_algo ipmi_devintf ipmi_msghandler binfmt_misc crct10dif_pclmul crc32_pclmul polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 snd_pcsp aesni_intel crypto_simd cryptd snd_pcm snd_timer joydev snd soundcore input_leds serio_raw evbug nfsd auth_rpcgss nfs_acl lockd grace sch_fq_codel sunrpc drm efi_pstore ip_tables x_tables autofs4 psmouse virtio_net net_failover failover floppy
  [last unloaded: mlx_compat(OE)]
 CPU: 0 PID: 293779 Comm: ssh Tainted: G           OE      6.2.0-32-generic #32~22.04.1-Ubuntu
 Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
 RIP: 0010:mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]
 Code: 0c 01 00 a8 01 75 25 48 8b 75 a0 b9 02 00 00 00 48 c7 c2 10 5b fd c0 48 c7 c7 80 5b fd c0 c6 05 57 0c 03 00 01 e8 95 4d 93 da <0f> 0b 44 8b 4d b0 4c 8b 45 c8 48 8b 4d c0 e9 49 fb ff ff 41 0f b7
 RSP: 0018:ffffb5b48478b570 EFLAGS: 00010046
 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
 RBP: ffffb5b48478b628 R08: 0000000000000000 R09: 0000000000000000
 R10: 0000000000000000 R11: 0000000000000000 R12: ffffb5b48478b5e8
 R13: ffff963a3c609b5e R14: ffff9639c3fbd800 R15: ffffb5b480475a80
 FS:  00007fc03b444c80(0000) GS:ffff963a3dc00000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 0000556f46bdf000 CR3: 0000000006ac6003 CR4: 00000000003706f0
 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
 Call Trace:
  <TASK>
  ? show_regs+0x72/0x90
  ? mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]
  ? __warn+0x8d/0x160
  ? mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]
  ? report_bug+0x1bb/0x1d0
  ? handle_bug+0x46/0x90
  ? exc_invalid_op+0x19/0x80
  ? asm_exc_invalid_op+0x1b/0x20
  ? mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]
  mlx5_ib_post_send_nodrain+0xb/0x20 [mlx5_ib]
  ipoib_send+0x2ec/0x770 [ib_ipoib]
  ipoib_start_xmit+0x5a0/0x770 [ib_ipoib]
  dev_hard_start_xmit+0x8e/0x1e0
  ? validate_xmit_skb_list+0x4d/0x80
  sch_direct_xmit+0x116/0x3a0
  __dev_xmit_skb+0x1fd/0x580
  __dev_queue_xmit+0x284/0x6b0
  ? _raw_spin_unlock_irq+0xe/0x50
  ? __flush_work.isra.0+0x20d/0x370
  ? push_pseudo_header+0x17/0x40 [ib_ipoib]
  neigh_connected_output+0xcd/0x110
  ip_finish_output2+0x179/0x480
  ? __smp_call_single_queue+0x61/0xa0
  __ip_finish_output+0xc3/0x190
  ip_finish_output+0x2e/0xf0
  ip_output+0x78/0x110
  ? __pfx_ip_finish_output+0x10/0x10
  ip_local_out+0x64/0x70
  __ip_queue_xmit+0x18a/0x460
  ip_queue_xmit+0x15/0x30
  __tcp_transmit_skb+0x914/0x9c0
  tcp_write_xmit+0x334/0x8d0
  tcp_push_one+0x3c/0x60
  tcp_sendmsg_locked+0x2e1/0xac0
  tcp_sendmsg+0x2d/0x50
  inet_sendmsg+0x43/0x90
  sock_sendmsg+0x68/0x80
  sock_write_iter+0x93/0x100
  vfs_write+0x326/0x3c0
  ksys_write+0xbd/0xf0
  ? do_syscall_64+0x69/0x90
  __x64_sys_write+0x19/0x30
  do_syscall_64+0x59/0x90
  ? do_user_addr_fault+0x1d0/0x640
  ? exit_to_user_mode_prepare+0x3b/0xd0
  ? irqentry_exit_to_user_mode+0x9/0x20
  ? irqentry_exit+0x43/0x50
  ? exc_page_fault+0x92/0x1b0
  entry_SYSCALL_64_after_hwframe+0x72/0xdc
 RIP: 0033:0x7fc03ad14a37
 Code: 10 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
 RSP: 002b:00007ffdf8697fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
 RAX: ffffffffffffffda RBX: 0000000000008024 RCX: 00007fc03ad14a37
 RDX: 0000000000008024 RSI: 0000556f46bd8270 RDI: 0000000000000003
 RBP: 0000556f46bb1800 R08: 0000000000007fe3 R09: 0000000000000000
 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
 R13: 0000556f46bc66b0 R14: 000000000000000a R15: 0000556f46bb2f50
  </TASK>
 ---[ end trace 0000000000000000 ]---

Link: https://lore.kernel.org/r/8228ad34bd1a25047586270f7b1fb4ddcd046282.1706433934.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/mlx5/wr.c | 2 +-
 include/linux/mlx5/qp.h         | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/wr.c b/drivers/infiniband/hw/mlx5/wr.c
index 8841620af82f1..b81d282fb0d52 100644
--- a/drivers/infiniband/hw/mlx5/wr.c
+++ b/drivers/infiniband/hw/mlx5/wr.c
@@ -128,7 +128,7 @@ static void set_eth_seg(const struct ib_send_wr *wr, struct mlx5_ib_qp *qp,
 		 */
 		copysz = min_t(u64, *cur_edge - (void *)eseg->inline_hdr.start,
 			       left);
-		memcpy(eseg->inline_hdr.start, pdata, copysz);
+		memcpy(eseg->inline_hdr.data, pdata, copysz);
 		stride = ALIGN(sizeof(struct mlx5_wqe_eth_seg) -
 			       sizeof(eseg->inline_hdr.start) + copysz, 16);
 		*size += stride / 16;
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index 61e48d459b23c..693d758f2f1c9 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -261,7 +261,10 @@ struct mlx5_wqe_eth_seg {
 	union {
 		struct {
 			__be16 sz;
-			u8     start[2];
+			union {
+				u8     start[2];
+				DECLARE_FLEX_ARRAY(u8, data);
+			};
 		} inline_hdr;
 		struct {
 			__be16 type;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 013/317] RDMA/mlx5: Relax DEVX access upon modify commands
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (11 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 012/317] RDMA/mlx5: Fix fortify source warning while accessing Eth segment Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 014/317] riscv: dts: sifive: add missing #interrupt-cells to pmic Sasha Levin
                   ` (306 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yishai Hadas, Tamar Mashiah, Michael Guralnik, Leon Romanovsky,
	Sasha Levin

From: Yishai Hadas <yishaih@nvidia.com>

[ Upstream commit be551ee1574280ef8afbf7c271212ac3e38933ef ]

Relax DEVX access upon modify commands to be UVERBS_ACCESS_READ.

The kernel doesn't need to protect what firmware protects, or what
causes no damage to anyone but the user.

As firmware needs to protect itself from parallel access to the same
object, don't block parallel modify/query commands on the same object in
the kernel side.

This change will allow user space application to run parallel updates to
different entries in the same bulk object.

Tested-by: Tamar Mashiah <tmashiah@nvidia.com>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
Link: https://lore.kernel.org/r/7407d5ed35dc427c1097699e12b49c01e1073406.1706433934.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/mlx5/devx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 104e5cbba066b..ef3585af40263 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -2922,7 +2922,7 @@ DECLARE_UVERBS_NAMED_METHOD(
 	MLX5_IB_METHOD_DEVX_OBJ_MODIFY,
 	UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_MODIFY_HANDLE,
 			UVERBS_IDR_ANY_OBJECT,
-			UVERBS_ACCESS_WRITE,
+			UVERBS_ACCESS_READ,
 			UA_MANDATORY),
 	UVERBS_ATTR_PTR_IN(
 		MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 014/317] riscv: dts: sifive: add missing #interrupt-cells to pmic
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (12 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 013/317] RDMA/mlx5: Relax DEVX access upon modify commands Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 015/317] x86/mm: Move is_vsyscall_vaddr() into asm/vsyscall.h Sasha Levin
                   ` (305 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Conor Dooley, Samuel Holland, Sasha Levin

From: Conor Dooley <conor.dooley@microchip.com>

[ Upstream commit ce6b6d1513965f500a05f3facf223fa01fd74920 ]

At W=2 dtc complains:
hifive-unmatched-a00.dts:120.10-238.4: Warning (interrupt_provider): /soc/i2c@10030000/pmic@58: Missing '#interrupt-cells' in interrupt provider

Add the missing property.

Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
index b40990210fb50..3c621f31b5fd2 100644
--- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
@@ -70,6 +70,7 @@ pmic@58 {
 		interrupt-parent = <&gpio>;
 		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
 		interrupt-controller;
+		#interrupt-cells = <2>;
 
 		regulators {
 			vdd_bcore1: bcore1 {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 015/317] x86/mm: Move is_vsyscall_vaddr() into asm/vsyscall.h
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (13 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 014/317] riscv: dts: sifive: add missing #interrupt-cells to pmic Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 016/317] x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() Sasha Levin
                   ` (304 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Hou Tao, Sohil Mehta, Alexei Starovoitov, Sasha Levin

From: Hou Tao <houtao1@huawei.com>

[ Upstream commit ee0e39a63b78849f8abbef268b13e4838569f646 ]

Move is_vsyscall_vaddr() into asm/vsyscall.h to make it available for
copy_from_kernel_nofault_allowed() in arch/x86/mm/maccess.c.

Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20240202103935.3154011-2-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/include/asm/vsyscall.h | 10 ++++++++++
 arch/x86/mm/fault.c             |  9 ---------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index ab60a71a8dcb9..472f0263dbc61 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -4,6 +4,7 @@
 
 #include <linux/seqlock.h>
 #include <uapi/asm/vsyscall.h>
+#include <asm/page_types.h>
 
 #ifdef CONFIG_X86_VSYSCALL_EMULATION
 extern void map_vsyscall(void);
@@ -24,4 +25,13 @@ static inline bool emulate_vsyscall(unsigned long error_code,
 }
 #endif
 
+/*
+ * The (legacy) vsyscall page is the long page in the kernel portion
+ * of the address space that has user-accessible permissions.
+ */
+static inline bool is_vsyscall_vaddr(unsigned long vaddr)
+{
+	return unlikely((vaddr & PAGE_MASK) == VSYSCALL_ADDR);
+}
+
 #endif /* _ASM_X86_VSYSCALL_H */
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 4bfed53e210ec..abc6fbc3d5f21 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -787,15 +787,6 @@ show_signal_msg(struct pt_regs *regs, unsigned long error_code,
 	show_opcodes(regs, loglvl);
 }
 
-/*
- * The (legacy) vsyscall page is the long page in the kernel portion
- * of the address space that has user-accessible permissions.
- */
-static bool is_vsyscall_vaddr(unsigned long vaddr)
-{
-	return unlikely((vaddr & PAGE_MASK) == VSYSCALL_ADDR);
-}
-
 static void
 __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
 		       unsigned long address, u32 pkey, int si_code)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 016/317] x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (14 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 015/317] x86/mm: Move is_vsyscall_vaddr() into asm/vsyscall.h Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 017/317] net/iucv: fix the allocation size of iucv_path_table array Sasha Levin
                   ` (303 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Hou Tao, Thomas Gleixner, syzbot+72aa0161922eba61b50e,
	xingwei lee, Sohil Mehta, Alexei Starovoitov, Sasha Levin

From: Hou Tao <houtao1@huawei.com>

[ Upstream commit 32019c659ecfe1d92e3bf9fcdfbb11a7c70acd58 ]

When trying to use copy_from_kernel_nofault() to read vsyscall page
through a bpf program, the following oops was reported:

  BUG: unable to handle page fault for address: ffffffffff600000
  #PF: supervisor read access in kernel mode
  #PF: error_code(0x0000) - not-present page
  PGD 3231067 P4D 3231067 PUD 3233067 PMD 3235067 PTE 0
  Oops: 0000 [#1] PREEMPT SMP PTI
  CPU: 1 PID: 20390 Comm: test_progs ...... 6.7.0+ #58
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996) ......
  RIP: 0010:copy_from_kernel_nofault+0x6f/0x110
  ......
  Call Trace:
   <TASK>
   ? copy_from_kernel_nofault+0x6f/0x110
   bpf_probe_read_kernel+0x1d/0x50
   bpf_prog_2061065e56845f08_do_probe_read+0x51/0x8d
   trace_call_bpf+0xc5/0x1c0
   perf_call_bpf_enter.isra.0+0x69/0xb0
   perf_syscall_enter+0x13e/0x200
   syscall_trace_enter+0x188/0x1c0
   do_syscall_64+0xb5/0xe0
   entry_SYSCALL_64_after_hwframe+0x6e/0x76
   </TASK>
  ......
  ---[ end trace 0000000000000000 ]---

The oops is triggered when:

1) A bpf program uses bpf_probe_read_kernel() to read from the vsyscall
page and invokes copy_from_kernel_nofault() which in turn calls
__get_user_asm().

2) Because the vsyscall page address is not readable from kernel space,
a page fault exception is triggered accordingly.

3) handle_page_fault() considers the vsyscall page address as a user
space address instead of a kernel space address. This results in the
fix-up setup by bpf not being applied and a page_fault_oops() is invoked
due to SMAP.

Considering handle_page_fault() has already considered the vsyscall page
address as a userspace address, fix the problem by disallowing vsyscall
page read for copy_from_kernel_nofault().

Originally-by: Thomas Gleixner <tglx@linutronix.de>
Reported-by: syzbot+72aa0161922eba61b50e@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/bpf/CAG48ez06TZft=ATH1qh2c5mpS5BT8UakwNkzi6nvK5_djC-4Nw@mail.gmail.com
Reported-by: xingwei lee <xrivendell7@gmail.com>
Closes: https://lore.kernel.org/bpf/CABOYnLynjBoFZOf3Z4BhaZkc5hx_kHfsjiW+UWLoB=w33LvScw@mail.gmail.com
Signed-off-by: Hou Tao <houtao1@huawei.com>
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240202103935.3154011-3-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/mm/maccess.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/x86/mm/maccess.c b/arch/x86/mm/maccess.c
index 6993f026adec9..42115ac079cfe 100644
--- a/arch/x86/mm/maccess.c
+++ b/arch/x86/mm/maccess.c
@@ -3,6 +3,8 @@
 #include <linux/uaccess.h>
 #include <linux/kernel.h>
 
+#include <asm/vsyscall.h>
+
 #ifdef CONFIG_X86_64
 bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size)
 {
@@ -15,6 +17,14 @@ bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size)
 	if (vaddr < TASK_SIZE_MAX + PAGE_SIZE)
 		return false;
 
+	/*
+	 * Reading from the vsyscall page may cause an unhandled fault in
+	 * certain cases.  Though it is at an address above TASK_SIZE_MAX, it is
+	 * usually considered as a user space address.
+	 */
+	if (is_vsyscall_vaddr(vaddr))
+		return false;
+
 	/*
 	 * Allow everything during early boot before 'x86_virt_bits'
 	 * is initialized.  Needed for instruction decoding in early
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 017/317] net/iucv: fix the allocation size of iucv_path_table array
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (15 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 016/317] x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 018/317] parisc/ftrace: add missing CONFIG_DYNAMIC_FTRACE check Sasha Levin
                   ` (302 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Alexander Gordeev, Alexandra Winter, David S . Miller, Sasha Levin

From: Alexander Gordeev <agordeev@linux.ibm.com>

[ Upstream commit b4ea9b6a18ebf7f9f3a7a60f82e925186978cfcf ]

iucv_path_table is a dynamically allocated array of pointers to
struct iucv_path items. Yet, its size is calculated as if it was
an array of struct iucv_path items.

Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/iucv/iucv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 8efc369934fc7..68edefed79f16 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -156,7 +156,7 @@ static char iucv_error_pathid[16] = "INVALID PATHID";
 static LIST_HEAD(iucv_handler_list);
 
 /*
- * iucv_path_table: an array of iucv_path structures.
+ * iucv_path_table: array of pointers to iucv_path structures.
  */
 static struct iucv_path **iucv_path_table;
 static unsigned long iucv_max_pathid;
@@ -544,7 +544,7 @@ static int iucv_enable(void)
 
 	cpus_read_lock();
 	rc = -ENOMEM;
-	alloc_size = iucv_max_pathid * sizeof(struct iucv_path);
+	alloc_size = iucv_max_pathid * sizeof(*iucv_path_table);
 	iucv_path_table = kzalloc(alloc_size, GFP_KERNEL);
 	if (!iucv_path_table)
 		goto out;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 018/317] parisc/ftrace: add missing CONFIG_DYNAMIC_FTRACE check
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (16 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 017/317] net/iucv: fix the allocation size of iucv_path_table array Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 019/317] block: sed-opal: handle empty atoms when parsing response Sasha Levin
                   ` (301 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Max Kellermann, Helge Deller, Sasha Levin

From: Max Kellermann <max.kellermann@ionos.com>

[ Upstream commit 250f5402e636a5cec9e0e95df252c3d54307210f ]

Fixes a bug revealed by -Wmissing-prototypes when
CONFIG_FUNCTION_GRAPH_TRACER is enabled but not CONFIG_DYNAMIC_FTRACE:

 arch/parisc/kernel/ftrace.c:82:5: error: no previous prototype for 'ftrace_enable_ftrace_graph_caller' [-Werror=missing-prototypes]
    82 | int ftrace_enable_ftrace_graph_caller(void)
       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 arch/parisc/kernel/ftrace.c:88:5: error: no previous prototype for 'ftrace_disable_ftrace_graph_caller' [-Werror=missing-prototypes]
    88 | int ftrace_disable_ftrace_graph_caller(void)
       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/parisc/kernel/ftrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
index 0a1e75af5382d..44d70fc30aae5 100644
--- a/arch/parisc/kernel/ftrace.c
+++ b/arch/parisc/kernel/ftrace.c
@@ -81,7 +81,7 @@ void notrace __hot ftrace_function_trampoline(unsigned long parent,
 #endif
 }
 
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+#if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_FUNCTION_GRAPH_TRACER)
 int ftrace_enable_ftrace_graph_caller(void)
 {
 	return 0;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 019/317] block: sed-opal: handle empty atoms when parsing response
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (17 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 018/317] parisc/ftrace: add missing CONFIG_DYNAMIC_FTRACE check Sasha Levin
@ 2024-03-24 23:29 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 020/317] dm-verity, dm-crypt: align "struct bvec_iter" correctly Sasha Levin
                   ` (300 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:29 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Greg Joyce, Jens Axboe, Sasha Levin

From: Greg Joyce <gjoyce@linux.ibm.com>

[ Upstream commit 5429c8de56f6b2bd8f537df3a1e04e67b9c04282 ]

The SED Opal response parsing function response_parse() does not
handle the case of an empty atom in the response. This causes
the entry count to be too high and the response fails to be
parsed. Recognizing, but ignoring, empty atoms allows response
handling to succeed.

Signed-off-by: Greg Joyce <gjoyce@linux.ibm.com>
Link: https://lore.kernel.org/r/20240216210417.3526064-2-gjoyce@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 block/opal_proto.h | 1 +
 block/sed-opal.c   | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/block/opal_proto.h b/block/opal_proto.h
index b486b3ec7dc41..a50191bddbc26 100644
--- a/block/opal_proto.h
+++ b/block/opal_proto.h
@@ -66,6 +66,7 @@ enum opal_response_token {
 #define SHORT_ATOM_BYTE  0xBF
 #define MEDIUM_ATOM_BYTE 0xDF
 #define LONG_ATOM_BYTE   0xE3
+#define EMPTY_ATOM_BYTE  0xFF
 
 #define OPAL_INVAL_PARAM 12
 #define OPAL_MANUFACTURED_INACTIVE 0x08
diff --git a/block/sed-opal.c b/block/sed-opal.c
index 0ac5a4f3f2261..00e4d23ac49e7 100644
--- a/block/sed-opal.c
+++ b/block/sed-opal.c
@@ -895,16 +895,20 @@ static int response_parse(const u8 *buf, size_t length,
 			token_length = response_parse_medium(iter, pos);
 		else if (pos[0] <= LONG_ATOM_BYTE) /* long atom */
 			token_length = response_parse_long(iter, pos);
+		else if (pos[0] == EMPTY_ATOM_BYTE) /* empty atom */
+			token_length = 1;
 		else /* TOKEN */
 			token_length = response_parse_token(iter, pos);
 
 		if (token_length < 0)
 			return token_length;
 
+		if (pos[0] != EMPTY_ATOM_BYTE)
+			num_entries++;
+
 		pos += token_length;
 		total -= token_length;
 		iter++;
-		num_entries++;
 	}
 
 	resp->num = num_entries;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 020/317] dm-verity, dm-crypt: align "struct bvec_iter" correctly
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (18 preceding siblings ...)
  2024-03-24 23:29 ` [PATCH 5.15 019/317] block: sed-opal: handle empty atoms when parsing response Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 021/317] scsi: mpt3sas: Prevent sending diag_reset when the controller is ready Sasha Levin
                   ` (299 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Mikulas Patocka, Mike Snitzer, Sasha Levin

From: Mikulas Patocka <mpatocka@redhat.com>

[ Upstream commit 787f1b2800464aa277236a66eb3c279535edd460 ]

"struct bvec_iter" is defined with the __packed attribute, so it is
aligned on a single byte. On X86 (and on other architectures that support
unaligned addresses in hardware), "struct bvec_iter" is accessed using the
8-byte and 4-byte memory instructions, however these instructions are less
efficient if they operate on unaligned addresses.

(on RISC machines that don't have unaligned access in hardware, GCC
generates byte-by-byte accesses that are very inefficient - see [1])

This commit reorders the entries in "struct dm_verity_io" and "struct
convert_context", so that "struct bvec_iter" is aligned on 8 bytes.

[1] https://lore.kernel.org/all/ZcLuWUNRZadJr0tQ@fedora/T/

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/md/dm-crypt.c  | 4 ++--
 drivers/md/dm-verity.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 5904af05f6057..a3db76dcdb3ec 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -49,11 +49,11 @@
 struct convert_context {
 	struct completion restart;
 	struct bio *bio_in;
-	struct bio *bio_out;
 	struct bvec_iter iter_in;
+	struct bio *bio_out;
 	struct bvec_iter iter_out;
-	u64 cc_sector;
 	atomic_t cc_pending;
+	u64 cc_sector;
 	union {
 		struct skcipher_request *req;
 		struct aead_request *req_aead;
diff --git a/drivers/md/dm-verity.h b/drivers/md/dm-verity.h
index 78d1e51195ada..f61c89c79cf5b 100644
--- a/drivers/md/dm-verity.h
+++ b/drivers/md/dm-verity.h
@@ -74,11 +74,11 @@ struct dm_verity_io {
 	/* original value of bio->bi_end_io */
 	bio_end_io_t *orig_bi_end_io;
 
+	struct bvec_iter iter;
+
 	sector_t block;
 	unsigned n_blocks;
 
-	struct bvec_iter iter;
-
 	struct work_struct work;
 
 	/*
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 021/317] scsi: mpt3sas: Prevent sending diag_reset when the controller is ready
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (19 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 020/317] dm-verity, dm-crypt: align "struct bvec_iter" correctly Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 022/317] ALSA: hda/realtek - ALC285 reduce pop noise from Headphone port Sasha Levin
                   ` (298 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Ranjan Kumar, Martin K . Petersen, Sasha Levin

From: Ranjan Kumar <ranjan.kumar@broadcom.com>

[ Upstream commit ee0017c3ed8a8abfa4d40e42f908fb38c31e7515 ]

If the driver detects that the controller is not ready before sending the
first IOC facts command, it will wait for a maximum of 10 seconds for it to
become ready. However, even if the controller becomes ready within 10
seconds, the driver will still issue a diagnostic reset.

Modify the driver to avoid sending a diag reset if the controller becomes
ready within the 10-second wait time.

Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20240221071724.14986-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/mpt3sas/mpt3sas_base.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index e524e1fc53fa3..8325875bfc4ed 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -7238,7 +7238,9 @@ _base_wait_for_iocstate(struct MPT3SAS_ADAPTER *ioc, int timeout)
 		return -EFAULT;
 	}
 
- issue_diag_reset:
+	return 0;
+
+issue_diag_reset:
 	rc = _base_diag_reset(ioc);
 	return rc;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 022/317] ALSA: hda/realtek - ALC285 reduce pop noise from Headphone port
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (20 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 021/317] scsi: mpt3sas: Prevent sending diag_reset when the controller is ready Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 023/317] drm/amdgpu: Enable gpu reset for S3 abort cases on Raven series Sasha Levin
                   ` (297 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kailang Yang, Takashi Iwai, Sasha Levin

From: Kailang Yang <kailang@realtek.com>

[ Upstream commit b34bf65838f7c6e785f62681605a538b73c2808c ]

It had pop noise from Headphone port when system reboot state.
If NID 58h Index 0x0 to fill default value, it will reduce pop noise.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Link: https://lore.kernel.org/r/7493e207919a4fb3a0599324fd010e3e@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/pci/hda/patch_realtek.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a6e6ed1355abf..3a86f0fd78278 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3675,6 +3675,7 @@ static void alc285_hp_init(struct hda_codec *codec)
 	int i, val;
 	int coef38, coef0d, coef36;
 
+	alc_write_coefex_idx(codec, 0x58, 0x00, 0x1888); /* write default value */
 	alc_update_coef_idx(codec, 0x4a, 1<<15, 1<<15); /* Reset HP JD */
 	coef38 = alc_read_coef_idx(codec, 0x38); /* Amp control */
 	coef0d = alc_read_coef_idx(codec, 0x0d); /* Digital Misc control */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 023/317] drm/amdgpu: Enable gpu reset for S3 abort cases on Raven series
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (21 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 022/317] ALSA: hda/realtek - ALC285 reduce pop noise from Headphone port Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 024/317] Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security Sasha Levin
                   ` (296 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Prike Liang, Alex Deucher, Sasha Levin

From: Prike Liang <Prike.Liang@amd.com>

[ Upstream commit c671ec01311b4744b377f98b0b4c6d033fe569b3 ]

Currently, GPU resets can now be performed successfully on the Raven
series. While GPU reset is required for the S3 suspend abort case.
So now can enable gpu reset for S3 abort cases on the Raven series.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/amdgpu/soc15.c | 45 +++++++++++++++++-------------
 1 file changed, 25 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 6a3486f52d698..ef5b3eedc8615 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -605,11 +605,34 @@ soc15_asic_reset_method(struct amdgpu_device *adev)
 		return AMD_RESET_METHOD_MODE1;
 }
 
+static bool soc15_need_reset_on_resume(struct amdgpu_device *adev)
+{
+	u32 sol_reg;
+
+	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
+
+	/* Will reset for the following suspend abort cases.
+	 * 1) Only reset limit on APU side, dGPU hasn't checked yet.
+	 * 2) S3 suspend abort and TOS already launched.
+	 */
+	if (adev->flags & AMD_IS_APU && adev->in_s3 &&
+			!adev->suspend_complete &&
+			sol_reg)
+		return true;
+
+	return false;
+}
+
 static int soc15_asic_reset(struct amdgpu_device *adev)
 {
 	/* original raven doesn't have full asic reset */
-	if ((adev->apu_flags & AMD_APU_IS_RAVEN) ||
-	    (adev->apu_flags & AMD_APU_IS_RAVEN2))
+	/* On the latest Raven, the GPU reset can be performed
+	 * successfully. So now, temporarily enable it for the
+	 * S3 suspend abort case.
+	 */
+	if (((adev->apu_flags & AMD_APU_IS_RAVEN) ||
+	    (adev->apu_flags & AMD_APU_IS_RAVEN2)) &&
+		!soc15_need_reset_on_resume(adev))
 		return 0;
 
 	switch (soc15_asic_reset_method(adev)) {
@@ -1490,24 +1513,6 @@ static int soc15_common_suspend(void *handle)
 	return soc15_common_hw_fini(adev);
 }
 
-static bool soc15_need_reset_on_resume(struct amdgpu_device *adev)
-{
-	u32 sol_reg;
-
-	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
-
-	/* Will reset for the following suspend abort cases.
-	 * 1) Only reset limit on APU side, dGPU hasn't checked yet.
-	 * 2) S3 suspend abort and TOS already launched.
-	 */
-	if (adev->flags & AMD_IS_APU && adev->in_s3 &&
-			!adev->suspend_complete &&
-			sol_reg)
-		return true;
-
-	return false;
-}
-
 static int soc15_common_resume(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 024/317] Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (22 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 023/317] drm/amdgpu: Enable gpu reset for S3 abort cases on Raven series Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 025/317] firewire: core: use long bus reset on gap count error Sasha Levin
                   ` (295 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Yuxuan Hu, Luiz Augusto von Dentz, Sasha Levin

From: Yuxuan Hu <20373622@buaa.edu.cn>

[ Upstream commit 2535b848fa0f42ddff3e5255cf5e742c9b77bb26 ]

During our fuzz testing of the connection and disconnection process at the
RFCOMM layer, we discovered this bug. By comparing the packets from a
normal connection and disconnection process with the testcase that
triggered a KASAN report. We analyzed the cause of this bug as follows:

1. In the packets captured during a normal connection, the host sends a
`Read Encryption Key Size` type of `HCI_CMD` packet
(Command Opcode: 0x1408) to the controller to inquire the length of
encryption key.After receiving this packet, the controller immediately
replies with a Command Completepacket (Event Code: 0x0e) to return the
Encryption Key Size.

2. In our fuzz test case, the timing of the controller's response to this
packet was delayed to an unexpected point: after the RFCOMM and L2CAP
layers had disconnected but before the HCI layer had disconnected.

3. After receiving the Encryption Key Size Response at the time described
in point 2, the host still called the rfcomm_check_security function.
However, by this time `struct l2cap_conn *conn = l2cap_pi(sk)->chan->conn;`
had already been released, and when the function executed
`return hci_conn_security(conn->hcon, d->sec_level, auth_type, d->out);`,
specifically when accessing `conn->hcon`, a null-ptr-deref error occurred.

To fix this bug, check if `sk->sk_state` is BT_CLOSED before calling
rfcomm_recv_frame in rfcomm_process_rx.

Signed-off-by: Yuxuan Hu <20373622@buaa.edu.cn>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/bluetooth/rfcomm/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 8d6fce9005bdd..4f54c7df3a94f 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1937,7 +1937,7 @@ static struct rfcomm_session *rfcomm_process_rx(struct rfcomm_session *s)
 	/* Get data directly from socket receive queue without copying it. */
 	while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
 		skb_orphan(skb);
-		if (!skb_linearize(skb)) {
+		if (!skb_linearize(skb) && sk->sk_state != BT_CLOSED) {
 			s = rfcomm_recv_frame(s, skb);
 			if (!s)
 				break;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 025/317] firewire: core: use long bus reset on gap count error
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (23 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 024/317] Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 026/317] ASoC: Intel: bytcr_rt5640: Add an extra entry for the Chuwi Vi8 tablet Sasha Levin
                   ` (294 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Takashi Sakamoto, Adam Goldman, Sasha Levin

From: Takashi Sakamoto <o-takashi@sakamocchi.jp>

[ Upstream commit d0b06dc48fb15902d7da09c5c0861e7f042a9381 ]

When resetting the bus after a gap count error, use a long rather than
short bus reset.

IEEE 1394-1995 uses only long bus resets. IEEE 1394a adds the option of
short bus resets. When video or audio transmission is in progress and a
device is hot-plugged elsewhere on the bus, the resulting bus reset can
cause video frame drops or audio dropouts. Short bus resets reduce or
eliminate this problem. Accordingly, short bus resets are almost always
preferred.

However, on a mixed 1394/1394a bus, a short bus reset can trigger an
immediate additional bus reset. This double bus reset can be interpreted
differently by different nodes on the bus, resulting in an inconsistent gap
count after the bus reset. An inconsistent gap count will cause another bus
reset, leading to a neverending bus reset loop. This only happens for some
bus topologies, not for all mixed 1394/1394a buses.

By instead sending a long bus reset after a gap count inconsistency, we
avoid the doubled bus reset, restoring the bus to normal operation.

Signed-off-by: Adam Goldman <adamg@pobox.com>
Link: https://sourceforge.net/p/linux1394/mailman/message/58741624/
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/firewire/core-card.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
index be195ba834632..d446a72629414 100644
--- a/drivers/firewire/core-card.c
+++ b/drivers/firewire/core-card.c
@@ -500,7 +500,19 @@ static void bm_work(struct work_struct *work)
 		fw_notice(card, "phy config: new root=%x, gap_count=%d\n",
 			  new_root_id, gap_count);
 		fw_send_phy_config(card, new_root_id, generation, gap_count);
-		reset_bus(card, true);
+		/*
+		 * Where possible, use a short bus reset to minimize
+		 * disruption to isochronous transfers. But in the event
+		 * of a gap count inconsistency, use a long bus reset.
+		 *
+		 * As noted in 1394a 8.4.6.2, nodes on a mixed 1394/1394a bus
+		 * may set different gap counts after a bus reset. On a mixed
+		 * 1394/1394a bus, a short bus reset can get doubled. Some
+		 * nodes may treat the double reset as one bus reset and others
+		 * may treat it as two, causing a gap count inconsistency
+		 * again. Using a long bus reset prevents this.
+		 */
+		reset_bus(card, card->gap_count != 0);
 		/* Will allocate broadcast channel after the reset. */
 		goto out;
 	}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 026/317] ASoC: Intel: bytcr_rt5640: Add an extra entry for the Chuwi Vi8 tablet
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (24 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 025/317] firewire: core: use long bus reset on gap count error Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 027/317] Input: gpio_keys_polled - suppress deferred probe error for gpio Sasha Levin
                   ` (293 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Alban Boyé,
	Cezary Rojewski, Pierre-Louis Bossart, Mark Brown, Sasha Levin

From: Alban Boyé <alban.boye@protonmail.com>

[ Upstream commit f8b0127aca8c60826e7354e504a12d4a46b1c3bb ]

The bios version can differ depending if it is a dual-boot variant of the tablet.
Therefore another DMI match is required.

Signed-off-by: Alban Boyé <alban.boye@protonmail.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240228192807.15130-1-alban.boye@protonmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/intel/boards/bytcr_rt5640.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 49dfbd29c5451..434679afa7e1a 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -668,6 +668,18 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = {
 					BYT_RT5640_SSP0_AIF1 |
 					BYT_RT5640_MCLK_EN),
 	},
+	{	/* Chuwi Vi8 dual-boot (CWI506) */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "i86"),
+			/* The above are too generic, also match BIOS info */
+			DMI_MATCH(DMI_BIOS_VERSION, "CHUWI2.D86JHBNR02"),
+		},
+		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
+					BYT_RT5640_MONO_SPEAKER |
+					BYT_RT5640_SSP0_AIF1 |
+					BYT_RT5640_MCLK_EN),
+	},
 	{
 		/* Chuwi Vi10 (CWI505) */
 		.matches = {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 027/317] Input: gpio_keys_polled - suppress deferred probe error for gpio
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (25 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 026/317] ASoC: Intel: bytcr_rt5640: Add an extra entry for the Chuwi Vi8 tablet Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 028/317] ASoC: wm8962: Enable oscillator if selecting WM8962_FLL_OSC Sasha Levin
                   ` (292 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Uwe Kleine-König, Linus Walleij, Dmitry Torokhov, Sasha Levin

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit 963465a33141d0d52338e77f80fe543d2c9dc053 ]

On a PC Engines APU our admins are faced with:

	$ dmesg | grep -c "gpio-keys-polled gpio-keys-polled: unable to claim gpio 0, err=-517"
	261

Such a message always appears when e.g. a new USB device is plugged in.

Suppress this message which considerably clutters the kernel log for
EPROBE_DEFER (i.e. -517).

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240305101042.10953-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/input/keyboard/gpio_keys_polled.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
index c3937d2fc7446..a0f9978c68f55 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -319,12 +319,10 @@ static int gpio_keys_polled_probe(struct platform_device *pdev)
 
 			error = devm_gpio_request_one(dev, button->gpio,
 					flags, button->desc ? : DRV_NAME);
-			if (error) {
-				dev_err(dev,
-					"unable to claim gpio %u, err=%d\n",
-					button->gpio, error);
-				return error;
-			}
+			if (error)
+				return dev_err_probe(dev, error,
+						     "unable to claim gpio %u\n",
+						     button->gpio);
 
 			bdata->gpiod = gpio_to_desc(button->gpio);
 			if (!bdata->gpiod) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 028/317] ASoC: wm8962: Enable oscillator if selecting WM8962_FLL_OSC
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (26 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 027/317] Input: gpio_keys_polled - suppress deferred probe error for gpio Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 029/317] ASoC: wm8962: Enable both SPKOUTR_ENA and SPKOUTL_ENA in mono mode Sasha Levin
                   ` (291 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Stuart Henderson, Mark Brown, Sasha Levin

From: Stuart Henderson <stuarth@opensource.cirrus.com>

[ Upstream commit 03c7874106ca5032a312626b927b1c35f07b1f35 ]

Signed-off-by: Stuart Henderson <stuarth@opensource.cirrus.com>
Link: https://msgid.link/r/20240306161439.1385643-1-stuarth@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/wm8962.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 779f7097d336c..9f8929cfada22 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2901,8 +2901,12 @@ static int wm8962_set_fll(struct snd_soc_component *component, int fll_id, int s
 	switch (fll_id) {
 	case WM8962_FLL_MCLK:
 	case WM8962_FLL_BCLK:
+		fll1 |= (fll_id - 1) << WM8962_FLL_REFCLK_SRC_SHIFT;
+		break;
 	case WM8962_FLL_OSC:
 		fll1 |= (fll_id - 1) << WM8962_FLL_REFCLK_SRC_SHIFT;
+		snd_soc_component_update_bits(component, WM8962_PLL2,
+					      WM8962_OSC_ENA, WM8962_OSC_ENA);
 		break;
 	case WM8962_FLL_INT:
 		snd_soc_component_update_bits(component, WM8962_FLL_CONTROL_1,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 029/317] ASoC: wm8962: Enable both SPKOUTR_ENA and SPKOUTL_ENA in mono mode
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (27 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 028/317] ASoC: wm8962: Enable oscillator if selecting WM8962_FLL_OSC Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 030/317] ASoC: wm8962: Fix up incorrect error message in wm8962_set_fll Sasha Levin
                   ` (290 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Stuart Henderson, Mark Brown, Sasha Levin

From: Stuart Henderson <stuarth@opensource.cirrus.com>

[ Upstream commit 6fa849e4d78b880e878138bf238e4fd2bac3c4fa ]

Signed-off-by: Stuart Henderson <stuarth@opensource.cirrus.com>
Link: https://msgid.link/r/20240306161439.1385643-2-stuarth@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/wm8962.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 9f8929cfada22..897f38758a230 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2219,6 +2219,9 @@ SND_SOC_DAPM_PGA_E("HPOUT", SND_SOC_NOPM, 0, 0, NULL, 0, hp_event,
 
 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 SND_SOC_DAPM_OUTPUT("HPOUTR"),
+
+SND_SOC_DAPM_PGA("SPKOUTL Output", WM8962_CLASS_D_CONTROL_1, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SPKOUTR Output", WM8962_CLASS_D_CONTROL_1, 7, 0, NULL, 0),
 };
 
 static const struct snd_soc_dapm_widget wm8962_dapm_spk_mono_widgets[] = {
@@ -2226,7 +2229,6 @@ SND_SOC_DAPM_MIXER("Speaker Mixer", WM8962_MIXER_ENABLES, 1, 0,
 		   spkmixl, ARRAY_SIZE(spkmixl)),
 SND_SOC_DAPM_MUX_E("Speaker PGA", WM8962_PWR_MGMT_2, 4, 0, &spkoutl_mux,
 		   out_pga_event, SND_SOC_DAPM_POST_PMU),
-SND_SOC_DAPM_PGA("Speaker Output", WM8962_CLASS_D_CONTROL_1, 7, 0, NULL, 0),
 SND_SOC_DAPM_OUTPUT("SPKOUT"),
 };
 
@@ -2241,9 +2243,6 @@ SND_SOC_DAPM_MUX_E("SPKOUTL PGA", WM8962_PWR_MGMT_2, 4, 0, &spkoutl_mux,
 SND_SOC_DAPM_MUX_E("SPKOUTR PGA", WM8962_PWR_MGMT_2, 3, 0, &spkoutr_mux,
 		   out_pga_event, SND_SOC_DAPM_POST_PMU),
 
-SND_SOC_DAPM_PGA("SPKOUTR Output", WM8962_CLASS_D_CONTROL_1, 7, 0, NULL, 0),
-SND_SOC_DAPM_PGA("SPKOUTL Output", WM8962_CLASS_D_CONTROL_1, 6, 0, NULL, 0),
-
 SND_SOC_DAPM_OUTPUT("SPKOUTL"),
 SND_SOC_DAPM_OUTPUT("SPKOUTR"),
 };
@@ -2353,12 +2352,18 @@ static const struct snd_soc_dapm_route wm8962_spk_mono_intercon[] = {
 	{ "Speaker PGA", "Mixer", "Speaker Mixer" },
 	{ "Speaker PGA", "DAC", "DACL" },
 
-	{ "Speaker Output", NULL, "Speaker PGA" },
-	{ "Speaker Output", NULL, "SYSCLK" },
-	{ "Speaker Output", NULL, "TOCLK" },
-	{ "Speaker Output", NULL, "TEMP_SPK" },
+	{ "SPKOUTL Output", NULL, "Speaker PGA" },
+	{ "SPKOUTL Output", NULL, "SYSCLK" },
+	{ "SPKOUTL Output", NULL, "TOCLK" },
+	{ "SPKOUTL Output", NULL, "TEMP_SPK" },
+
+	{ "SPKOUTR Output", NULL, "Speaker PGA" },
+	{ "SPKOUTR Output", NULL, "SYSCLK" },
+	{ "SPKOUTR Output", NULL, "TOCLK" },
+	{ "SPKOUTR Output", NULL, "TEMP_SPK" },
 
-	{ "SPKOUT", NULL, "Speaker Output" },
+	{ "SPKOUT", NULL, "SPKOUTL Output" },
+	{ "SPKOUT", NULL, "SPKOUTR Output" },
 };
 
 static const struct snd_soc_dapm_route wm8962_spk_stereo_intercon[] = {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 030/317] ASoC: wm8962: Fix up incorrect error message in wm8962_set_fll
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (28 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 029/317] ASoC: wm8962: Enable both SPKOUTR_ENA and SPKOUTL_ENA in mono mode Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 031/317] do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak Sasha Levin
                   ` (289 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Stuart Henderson, Mark Brown, Sasha Levin

From: Stuart Henderson <stuarth@opensource.cirrus.com>

[ Upstream commit 96e202f8c52ac49452f83317cf3b34cd1ad81e18 ]

Use source instead of ret, which seems to be unrelated and will always
be zero.

Signed-off-by: Stuart Henderson <stuarth@opensource.cirrus.com>
Link: https://msgid.link/r/20240306161439.1385643-5-stuarth@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/wm8962.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 897f38758a230..b5a35999d8dfa 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2920,7 +2920,7 @@ static int wm8962_set_fll(struct snd_soc_component *component, int fll_id, int s
 				    WM8962_FLL_FRC_NCO, WM8962_FLL_FRC_NCO);
 		break;
 	default:
-		dev_err(component->dev, "Unknown FLL source %d\n", ret);
+		dev_err(component->dev, "Unknown FLL source %d\n", source);
 		return -EINVAL;
 	}
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 031/317] do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (29 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 030/317] ASoC: wm8962: Fix up incorrect error message in wm8962_set_fll Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 032/317] f2fs: implement iomap operations Sasha Levin
                   ` (288 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nikita Zhandarovich, Chuck Lever III,
	syzbot+09b349b3066c2e0b1e96, Jan Kara, Christian Brauner,
	Sasha Levin

From: Nikita Zhandarovich <n.zhandarovich@fintech.ru>

[ Upstream commit 3948abaa4e2be938ccdfc289385a27342fb13d43 ]

syzbot identified a kernel information leak vulnerability in
do_sys_name_to_handle() and issued the following report [1].

[1]
"BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x100 lib/usercopy.c:40
 instrument_copy_to_user include/linux/instrumented.h:114 [inline]
 _copy_to_user+0xbc/0x100 lib/usercopy.c:40
 copy_to_user include/linux/uaccess.h:191 [inline]
 do_sys_name_to_handle fs/fhandle.c:73 [inline]
 __do_sys_name_to_handle_at fs/fhandle.c:112 [inline]
 __se_sys_name_to_handle_at+0x949/0xb10 fs/fhandle.c:94
 __x64_sys_name_to_handle_at+0xe4/0x140 fs/fhandle.c:94
 ...

Uninit was created at:
 slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768
 slab_alloc_node mm/slub.c:3478 [inline]
 __kmem_cache_alloc_node+0x5c9/0x970 mm/slub.c:3517
 __do_kmalloc_node mm/slab_common.c:1006 [inline]
 __kmalloc+0x121/0x3c0 mm/slab_common.c:1020
 kmalloc include/linux/slab.h:604 [inline]
 do_sys_name_to_handle fs/fhandle.c:39 [inline]
 __do_sys_name_to_handle_at fs/fhandle.c:112 [inline]
 __se_sys_name_to_handle_at+0x441/0xb10 fs/fhandle.c:94
 __x64_sys_name_to_handle_at+0xe4/0x140 fs/fhandle.c:94
 ...

Bytes 18-19 of 20 are uninitialized
Memory access of size 20 starts at ffff888128a46380
Data copied to user address 0000000020000240"

Per Chuck Lever's suggestion, use kzalloc() instead of kmalloc() to
solve the problem.

Fixes: 990d6c2d7aee ("vfs: Add name to file handle conversion support")
Suggested-by: Chuck Lever III <chuck.lever@oracle.com>
Reported-and-tested-by: <syzbot+09b349b3066c2e0b1e96@syzkaller.appspotmail.com>
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Link: https://lore.kernel.org/r/20240119153906.4367-1-n.zhandarovich@fintech.ru
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/fhandle.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fhandle.c b/fs/fhandle.c
index 6630c69c23a2a..55e5ffacc0e40 100644
--- a/fs/fhandle.c
+++ b/fs/fhandle.c
@@ -37,7 +37,7 @@ static long do_sys_name_to_handle(struct path *path,
 	if (f_handle.handle_bytes > MAX_HANDLE_SZ)
 		return -EINVAL;
 
-	handle = kmalloc(sizeof(struct file_handle) + f_handle.handle_bytes,
+	handle = kzalloc(sizeof(struct file_handle) + f_handle.handle_bytes,
 			 GFP_KERNEL);
 	if (!handle)
 		return -ENOMEM;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 032/317] f2fs: implement iomap operations
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (30 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 031/317] do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-25  3:37   ` Eric Biggers
  2024-03-24 23:30 ` [PATCH 5.15 033/317] s390/dasd: put block allocation in separate function Sasha Levin
                   ` (287 subsequent siblings)
  319 siblings, 1 reply; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Eric Biggers, Jaegeuk Kim, Sasha Levin

From: Eric Biggers <ebiggers@google.com>

[ Upstream commit 1517c1a7a4456f080fabc4ac9853930e4b880d14 ]

Implement 'struct iomap_ops' for f2fs, in preparation for making f2fs
use iomap for direct I/O.

Note that this may be used for other things besides direct I/O in the
future; however, for now I've only tested it for direct I/O.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: ec16b147a55b ("fs: Fix rw_hint validation")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/Kconfig |  1 +
 fs/f2fs/data.c  | 56 +++++++++++++++++++++++++++++++++++++++++++++++++
 fs/f2fs/f2fs.h  |  1 +
 3 files changed, 58 insertions(+)

diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig
index 7eea3cfd894d1..f46a7339d6cf7 100644
--- a/fs/f2fs/Kconfig
+++ b/fs/f2fs/Kconfig
@@ -7,6 +7,7 @@ config F2FS_FS
 	select CRYPTO_CRC32
 	select F2FS_FS_XATTR if FS_ENCRYPTION
 	select FS_ENCRYPTION_ALGS if FS_ENCRYPTION
+	select FS_IOMAP
 	select LZ4_COMPRESS if F2FS_FS_LZ4
 	select LZ4_DECOMPRESS if F2FS_FS_LZ4
 	select LZ4HC_COMPRESS if F2FS_FS_LZ4HC
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 73a7906a49b1e..5766a9f0773b1 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -21,6 +21,7 @@
 #include <linux/cleancache.h>
 #include <linux/sched/signal.h>
 #include <linux/fiemap.h>
+#include <linux/iomap.h>
 
 #include "f2fs.h"
 #include "node.h"
@@ -4242,3 +4243,58 @@ void f2fs_destroy_bio_entry_cache(void)
 {
 	kmem_cache_destroy(bio_entry_slab);
 }
+
+static int f2fs_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
+			    unsigned int flags, struct iomap *iomap,
+			    struct iomap *srcmap)
+{
+	struct f2fs_map_blocks map = {};
+	pgoff_t next_pgofs = 0;
+	int err;
+
+	map.m_lblk = bytes_to_blks(inode, offset);
+	map.m_len = bytes_to_blks(inode, offset + length - 1) - map.m_lblk + 1;
+	map.m_next_pgofs = &next_pgofs;
+	map.m_seg_type = f2fs_rw_hint_to_seg_type(inode->i_write_hint);
+	if (flags & IOMAP_WRITE)
+		map.m_may_create = true;
+
+	err = f2fs_map_blocks(inode, &map, flags & IOMAP_WRITE,
+			      F2FS_GET_BLOCK_DIO);
+	if (err)
+		return err;
+
+	iomap->offset = blks_to_bytes(inode, map.m_lblk);
+
+	if (map.m_flags & (F2FS_MAP_MAPPED | F2FS_MAP_UNWRITTEN)) {
+		iomap->length = blks_to_bytes(inode, map.m_len);
+		if (map.m_flags & F2FS_MAP_MAPPED) {
+			iomap->type = IOMAP_MAPPED;
+			iomap->flags |= IOMAP_F_MERGED;
+		} else {
+			iomap->type = IOMAP_UNWRITTEN;
+		}
+		if (WARN_ON_ONCE(!__is_valid_data_blkaddr(map.m_pblk)))
+			return -EINVAL;
+
+		iomap->bdev = map.m_bdev;
+		iomap->addr = blks_to_bytes(inode, map.m_pblk);
+	} else {
+		iomap->length = blks_to_bytes(inode, next_pgofs) -
+				iomap->offset;
+		iomap->type = IOMAP_HOLE;
+		iomap->addr = IOMAP_NULL_ADDR;
+	}
+
+	if (map.m_flags & F2FS_MAP_NEW)
+		iomap->flags |= IOMAP_F_NEW;
+	if ((inode->i_state & I_DIRTY_DATASYNC) ||
+	    offset + length > i_size_read(inode))
+		iomap->flags |= IOMAP_F_DIRTY;
+
+	return 0;
+}
+
+const struct iomap_ops f2fs_iomap_ops = {
+	.iomap_begin	= f2fs_iomap_begin,
+};
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 835ef98643bd4..4cabc37c20b90 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3650,6 +3650,7 @@ int f2fs_init_post_read_processing(void);
 void f2fs_destroy_post_read_processing(void);
 int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi);
 void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi);
+extern const struct iomap_ops f2fs_iomap_ops;
 
 /*
  * gc.c
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 033/317] s390/dasd: put block allocation in separate function
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (31 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 032/317] f2fs: implement iomap operations Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 034/317] s390/dasd: add query PPRC function Sasha Levin
                   ` (286 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Stefan Haberland, Jan Hoeppner, Jens Axboe, Sasha Levin

From: Stefan Haberland <sth@linux.ibm.com>

[ Upstream commit 2b43bf061b2e1b67561cbb1f6f305421f5fc86af ]

Put block allocation into a separate function to put some copy pair logic
in it in a later patch.

Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Link: https://lore.kernel.org/r/20220920192616.808070-2-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Stable-dep-of: c3116e62ddef ("s390/dasd: fix double module refcount decrement")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/s390/block/dasd_eckd.c | 38 ++++++++++++++++++++--------------
 1 file changed, 23 insertions(+), 15 deletions(-)

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 56ab74aa07f42..cf80db7a74a3d 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2028,6 +2028,25 @@ static void dasd_eckd_kick_validate_server(struct dasd_device *device)
 		dasd_put_device(device);
 }
 
+static int dasd_eckd_alloc_block(struct dasd_device *device)
+{
+	struct dasd_block *block;
+	struct dasd_uid temp_uid;
+
+	dasd_eckd_get_uid(device, &temp_uid);
+	if (temp_uid.type == UA_BASE_DEVICE) {
+		block = dasd_alloc_block();
+		if (IS_ERR(block)) {
+			DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "%s",
+					"could not allocate dasd block structure");
+			return PTR_ERR(block);
+		}
+		device->block = block;
+		block->base = device;
+	}
+	return 0;
+}
+
 /*
  * Check device characteristics.
  * If the device is accessible using ECKD discipline, the device is enabled.
@@ -2036,8 +2055,6 @@ static int
 dasd_eckd_check_characteristics(struct dasd_device *device)
 {
 	struct dasd_eckd_private *private = device->private;
-	struct dasd_block *block;
-	struct dasd_uid temp_uid;
 	int rc, i;
 	int readonly;
 	unsigned long value;
@@ -2095,19 +2112,10 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 			device->default_expires = value;
 	}
 
-	dasd_eckd_get_uid(device, &temp_uid);
-	if (temp_uid.type == UA_BASE_DEVICE) {
-		block = dasd_alloc_block();
-		if (IS_ERR(block)) {
-			DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "%s",
-					"could not allocate dasd "
-					"block structure");
-			rc = PTR_ERR(block);
-			goto out_err1;
-		}
-		device->block = block;
-		block->base = device;
-	}
+	/* check if block device is needed and allocate in case */
+	rc = dasd_eckd_alloc_block(device);
+	if (rc)
+		goto out_err1;
 
 	/* register lcu with alias handling, enable PAV */
 	rc = dasd_alias_make_device_known_to_lcu(device);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 034/317] s390/dasd: add query PPRC function
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (32 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 033/317] s390/dasd: put block allocation in separate function Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 035/317] s390/dasd: add copy pair setup Sasha Levin
                   ` (285 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Stefan Haberland, Jan Hoeppner, Jens Axboe, Sasha Levin

From: Stefan Haberland <sth@linux.ibm.com>

[ Upstream commit 3f217cceb6846e7533511fc69bc774cdba37ff7d ]

Add function to query the Peer-to-Peer-Remote-Copy (PPRC) state of a
device by reading the related structure through a read subsystem data call.

Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Link: https://lore.kernel.org/r/20220920192616.808070-3-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Stable-dep-of: c3116e62ddef ("s390/dasd: fix double module refcount decrement")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/s390/block/dasd_eckd.c | 66 ++++++++++++++++++++++++++++++++++
 drivers/s390/block/dasd_eckd.h |  6 ++++
 drivers/s390/block/dasd_int.h  | 32 +++++++++++++++++
 3 files changed, 104 insertions(+)

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index cf80db7a74a3d..76f861c2ce614 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -6105,6 +6105,71 @@ static int dasd_hosts_print(struct dasd_device *device, struct seq_file *m)
 	return 0;
 }
 
+/*
+ * Perform Subsystem Function - Peer-to-Peer Remote Copy Extended Query
+ */
+static int dasd_eckd_query_pprc_status(struct dasd_device *device,
+				       struct dasd_pprc_data_sc4 *data)
+{
+	struct dasd_pprc_data_sc4 *pprc_data;
+	struct dasd_psf_prssd_data *prssdp;
+	struct dasd_ccw_req *cqr;
+	struct ccw1 *ccw;
+	int rc;
+
+	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */	+ 1 /* RSSD */,
+				   sizeof(*prssdp) + sizeof(*pprc_data) + 1,
+				   device, NULL);
+	if (IS_ERR(cqr)) {
+		DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "%s",
+				"Could not allocate query PPRC status request");
+		return PTR_ERR(cqr);
+	}
+	cqr->startdev = device;
+	cqr->memdev = device;
+	cqr->block = NULL;
+	cqr->retries = 256;
+	cqr->expires = 10 * HZ;
+
+	/* Prepare for Read Subsystem Data */
+	prssdp = (struct dasd_psf_prssd_data *)cqr->data;
+	memset(prssdp, 0, sizeof(struct dasd_psf_prssd_data));
+	prssdp->order = PSF_ORDER_PRSSD;
+	prssdp->suborder = PSF_SUBORDER_PPRCEQ;
+	prssdp->varies[0] = PPRCEQ_SCOPE_4;
+	pprc_data = (struct dasd_pprc_data_sc4 *)(prssdp + 1);
+
+	ccw = cqr->cpaddr;
+	ccw->cmd_code = DASD_ECKD_CCW_PSF;
+	ccw->count = sizeof(struct dasd_psf_prssd_data);
+	ccw->flags |= CCW_FLAG_CC;
+	ccw->flags |= CCW_FLAG_SLI;
+	ccw->cda = (__u32)(addr_t)prssdp;
+
+	/* Read Subsystem Data - query host access */
+	ccw++;
+	ccw->cmd_code = DASD_ECKD_CCW_RSSD;
+	ccw->count = sizeof(*pprc_data);
+	ccw->flags |= CCW_FLAG_SLI;
+	ccw->cda = (__u32)(addr_t)pprc_data;
+
+	cqr->buildclk = get_tod_clock();
+	cqr->status = DASD_CQR_FILLED;
+
+	rc = dasd_sleep_on_interruptible(cqr);
+	if (rc == 0) {
+		*data = *pprc_data;
+	} else {
+		DBF_EVENT_DEVID(DBF_WARNING, device->cdev,
+				"PPRC Extended Query failed with rc=%d\n",
+				rc);
+		rc = -EOPNOTSUPP;
+	}
+
+	dasd_sfree_request(cqr, cqr->memdev);
+	return rc;
+}
+
 /*
  * Perform Subsystem Function - CUIR response
  */
@@ -6723,6 +6788,7 @@ static struct dasd_discipline dasd_eckd_discipline = {
 	.ext_pool_exhaust = dasd_eckd_ext_pool_exhaust,
 	.ese_format = dasd_eckd_ese_format,
 	.ese_read = dasd_eckd_ese_read,
+	.pprc_status = dasd_eckd_query_pprc_status,
 };
 
 static int __init
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index 65e4630ad2aea..ed83a9a55191b 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -66,9 +66,15 @@
  * Perform Subsystem Function / Sub-Orders
  */
 #define PSF_SUBORDER_QHA		 0x1C /* Query Host Access */
+#define PSF_SUBORDER_PPRCEQ		 0x50 /* PPRC Extended Query */
 #define PSF_SUBORDER_VSQ		 0x52 /* Volume Storage Query */
 #define PSF_SUBORDER_LCQ		 0x53 /* Logical Configuration Query */
 
+/*
+ * PPRC Extended Query Scopes
+ */
+#define PPRCEQ_SCOPE_4			 0x04 /* Scope 4 for PPRC Extended Query */
+
 /*
  * CUIR response condition codes
  */
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index d94ae067f085e..2ee8bc035b34a 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -260,6 +260,37 @@ struct dasd_uid {
 	char vduit[33];
 };
 
+/*
+ * PPRC Status data
+ */
+struct dasd_pprc_header {
+	__u8 entries;		/* 0     Number of device entries */
+	__u8 unused;		/* 1     unused */
+	__u16 entry_length;	/* 2-3   Length of device entry */
+	__u32 unused2;		/* 4-7   unused */
+} __packed;
+
+struct dasd_pprc_dev_info {
+	__u8 state;		/* 0       Copy State */
+	__u8 flags;		/* 1       Flags */
+	__u8 reserved1[2];	/* 2-3     reserved */
+	__u8 prim_lss;		/* 4       Primary device LSS */
+	__u8 primary;		/* 5       Primary device address */
+	__u8 sec_lss;		/* 6       Secondary device LSS */
+	__u8 secondary;		/* 7       Secondary device address */
+	__u16 pprc_id;		/* 8-9     Peer-to-Peer Remote Copy ID */
+	__u8 reserved2[12];	/* 10-21   reserved */
+	__u16 prim_cu_ssid;	/* 22-23   Pimary Control Unit SSID */
+	__u8 reserved3[12];	/* 24-35   reserved */
+	__u16 sec_cu_ssid;	/* 36-37   Secondary Control Unit SSID */
+	__u8 reserved4[90];	/* 38-127  reserved */
+} __packed;
+
+struct dasd_pprc_data_sc4 {
+	struct dasd_pprc_header header;
+	struct dasd_pprc_dev_info dev_info[5];
+} __packed;
+
 /*
  * the struct dasd_discipline is
  * sth like a table of virtual functions, if you think of dasd_eckd
@@ -388,6 +419,7 @@ struct dasd_discipline {
 	struct dasd_ccw_req *(*ese_format)(struct dasd_device *,
 					   struct dasd_ccw_req *, struct irb *);
 	int (*ese_read)(struct dasd_ccw_req *, struct irb *);
+	int (*pprc_status)(struct dasd_device *, struct	dasd_pprc_data_sc4 *);
 };
 
 extern struct dasd_discipline *dasd_diag_discipline_pointer;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 035/317] s390/dasd: add copy pair setup
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (33 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 034/317] s390/dasd: add query PPRC function Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 036/317] s390/dasd: add autoquiesce feature Sasha Levin
                   ` (284 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Stefan Haberland, Jan Hoeppner, Jens Axboe, Sasha Levin

From: Stefan Haberland <sth@linux.ibm.com>

[ Upstream commit a91ff09d39f9b6545254839ac91f1ff7bd21d39e ]

A copy relation that is configured on the storage server side needs to be
enabled separately in the device driver. A sysfs interface is created
that allows userspace tooling to control such setup.

The following sysfs entries are added to store and read copy relation
information:

copy_pair
    - Add/Delete a copy pair relation to the DASD device driver
    - Query all previously added copy pair relations
copy_role
    - Query the copy pair role of the device

To add a copy pair to the DASD device driver it has to be specified
through the sysfs attribute copy_pair. Only one secondary device can be
specified at a time together with the primary device. Both, secondary
and primary can be used equally to define the copy pair.
The secondary devices have to be offline when adding the copy relation.
The primary device needs to be specified first followed by the comma
separated secondary device.
Read from the copy_pair attribute to get the current setup and write
"clear" to the attribute to delete any existing setup.

Example:
$ echo 0.0.9700,0.0.9740 > /sys/bus/ccw/devices/0.0.9700/copy_pair
$ cat /sys/bus/ccw/devices/0.0.9700/copy_pair
0.0.9700,0.0.9740

During device online processing the required data will be read from the
storage server and the information will be compared to the setup
requested through the copy_pair attribute. The registration of the
primary and secondary device will be handled accordingly.
A blockdevice is only allocated for copy relation primary devices.

To query the copy role of a device read from the copy_role sysfs
attribute. Possible values are primary, secondary, and none.

Example:
$ cat /sys/bus/ccw/devices/0.0.9700/copy_role
primary

Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Link: https://lore.kernel.org/r/20220920192616.808070-4-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Stable-dep-of: c3116e62ddef ("s390/dasd: fix double module refcount decrement")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/s390/block/dasd_devmap.c | 566 ++++++++++++++++++++++++++++++-
 drivers/s390/block/dasd_eckd.c   |  52 ++-
 drivers/s390/block/dasd_eckd.h   |   2 +-
 drivers/s390/block/dasd_int.h    |  20 ++
 4 files changed, 623 insertions(+), 17 deletions(-)

diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 2c40fe15da552..6f9f7a0723128 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -26,7 +26,6 @@
 
 /* This is ugly... */
 #define PRINTK_HEADER "dasd_devmap:"
-#define DASD_BUS_ID_SIZE 20
 #define DASD_MAX_PARAMS 256
 
 #include "dasd_int.h"
@@ -50,6 +49,7 @@ struct dasd_devmap {
         unsigned int devindex;
         unsigned short features;
 	struct dasd_device *device;
+	struct dasd_copy_relation *copy;
 };
 
 /*
@@ -130,7 +130,7 @@ __setup ("dasd=", dasd_call_setup);
 /*
  * Read a device busid/devno from a string.
  */
-static int __init dasd_busid(char *str, int *id0, int *id1, int *devno)
+static int dasd_busid(char *str, int *id0, int *id1, int *devno)
 {
 	unsigned int val;
 	char *tok;
@@ -438,16 +438,12 @@ dasd_add_busid(const char *bus_id, int features)
 	return devmap;
 }
 
-/*
- * Find devmap for device with given bus_id.
- */
 static struct dasd_devmap *
-dasd_find_busid(const char *bus_id)
+dasd_find_busid_locked(const char *bus_id)
 {
 	struct dasd_devmap *devmap, *tmp;
 	int hash;
 
-	spin_lock(&dasd_devmap_lock);
 	devmap = ERR_PTR(-ENODEV);
 	hash = dasd_hash_busid(bus_id);
 	list_for_each_entry(tmp, &dasd_hashlists[hash], list) {
@@ -456,6 +452,19 @@ dasd_find_busid(const char *bus_id)
 			break;
 		}
 	}
+	return devmap;
+}
+
+/*
+ * Find devmap for device with given bus_id.
+ */
+static struct dasd_devmap *
+dasd_find_busid(const char *bus_id)
+{
+	struct dasd_devmap *devmap;
+
+	spin_lock(&dasd_devmap_lock);
+	devmap = dasd_find_busid_locked(bus_id);
 	spin_unlock(&dasd_devmap_lock);
 	return devmap;
 }
@@ -584,6 +593,238 @@ dasd_create_device(struct ccw_device *cdev)
 	return device;
 }
 
+/*
+ * allocate a PPRC data structure and call the discipline function to fill
+ */
+static int dasd_devmap_get_pprc_status(struct dasd_device *device,
+				       struct dasd_pprc_data_sc4 **data)
+{
+	struct dasd_pprc_data_sc4 *temp;
+
+	if (!device->discipline || !device->discipline->pprc_status) {
+		dev_warn(&device->cdev->dev, "Unable to query copy relation status\n");
+		return -EOPNOTSUPP;
+	}
+	temp = kzalloc(sizeof(*temp), GFP_KERNEL);
+	if (!temp)
+		return -ENOMEM;
+
+	/* get PPRC information from storage */
+	if (device->discipline->pprc_status(device, temp)) {
+		dev_warn(&device->cdev->dev, "Error during copy relation status query\n");
+		kfree(temp);
+		return -EINVAL;
+	}
+	*data = temp;
+
+	return 0;
+}
+
+/*
+ * find an entry in a PPRC device_info array by a given UID
+ * depending on the primary/secondary state of the device it has to be
+ * matched with the respective fields
+ */
+static int dasd_devmap_entry_from_pprc_data(struct dasd_pprc_data_sc4 *data,
+					    struct dasd_uid uid,
+					    bool primary)
+{
+	int i;
+
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		if (primary) {
+			if (data->dev_info[i].prim_cu_ssid == uid.ssid &&
+			    data->dev_info[i].primary == uid.real_unit_addr)
+				return i;
+		} else {
+			if (data->dev_info[i].sec_cu_ssid == uid.ssid &&
+			    data->dev_info[i].secondary == uid.real_unit_addr)
+				return i;
+		}
+	}
+	return -1;
+}
+
+/*
+ * check the consistency of a specified copy relation by checking
+ * the following things:
+ *
+ *   - is the given device part of a copy pair setup
+ *   - does the state of the device match the state in the PPRC status data
+ *   - does the device UID match with the UID in the PPRC status data
+ *   - to prevent misrouted IO check if the given device is present in all
+ *     related PPRC status data
+ */
+static int dasd_devmap_check_copy_relation(struct dasd_device *device,
+					   struct dasd_copy_entry *entry,
+					   struct dasd_pprc_data_sc4 *data,
+					   struct dasd_copy_relation *copy)
+{
+	struct dasd_pprc_data_sc4 *tmp_dat;
+	struct dasd_device *tmp_dev;
+	struct dasd_uid uid;
+	int i, j;
+
+	if (!device->discipline || !device->discipline->get_uid ||
+	    device->discipline->get_uid(device, &uid))
+		return 1;
+
+	i = dasd_devmap_entry_from_pprc_data(data, uid, entry->primary);
+	if (i < 0) {
+		dev_warn(&device->cdev->dev, "Device not part of a copy relation\n");
+		return 1;
+	}
+
+	/* double check which role the current device has */
+	if (entry->primary) {
+		if (data->dev_info[i].flags & 0x80) {
+			dev_warn(&device->cdev->dev, "Copy pair secondary is setup as primary\n");
+			return 1;
+		}
+		if (data->dev_info[i].prim_cu_ssid != uid.ssid ||
+		    data->dev_info[i].primary != uid.real_unit_addr) {
+			dev_warn(&device->cdev->dev,
+				 "Primary device %s does not match copy pair status primary device %04x\n",
+				 dev_name(&device->cdev->dev),
+				 data->dev_info[i].prim_cu_ssid |
+				 data->dev_info[i].primary);
+			return 1;
+		}
+	} else {
+		if (!(data->dev_info[i].flags & 0x80)) {
+			dev_warn(&device->cdev->dev, "Copy pair primary is setup as secondary\n");
+			return 1;
+		}
+		if (data->dev_info[i].sec_cu_ssid != uid.ssid ||
+		    data->dev_info[i].secondary != uid.real_unit_addr) {
+			dev_warn(&device->cdev->dev,
+				 "Secondary device %s does not match copy pair status secondary device %04x\n",
+				 dev_name(&device->cdev->dev),
+				 data->dev_info[i].sec_cu_ssid |
+				 data->dev_info[i].secondary);
+			return 1;
+		}
+	}
+
+	/*
+	 * the current device has to be part of the copy relation of all
+	 * entries to prevent misrouted IO to another copy pair
+	 */
+	for (j = 0; j < DASD_CP_ENTRIES; j++) {
+		if (entry == &copy->entry[j])
+			tmp_dev = device;
+		else
+			tmp_dev = copy->entry[j].device;
+
+		if (!tmp_dev)
+			continue;
+
+		if (dasd_devmap_get_pprc_status(tmp_dev, &tmp_dat))
+			return 1;
+
+		if (dasd_devmap_entry_from_pprc_data(tmp_dat, uid, entry->primary) < 0) {
+			dev_warn(&tmp_dev->cdev->dev,
+				 "Copy pair relation does not contain device: %s\n",
+				 dev_name(&device->cdev->dev));
+			kfree(tmp_dat);
+			return 1;
+		}
+		kfree(tmp_dat);
+	}
+	return 0;
+}
+
+/* delete device from copy relation entry */
+static void dasd_devmap_delete_copy_relation_device(struct dasd_device *device)
+{
+	struct dasd_copy_relation *copy;
+	int i;
+
+	if (!device->copy)
+		return;
+
+	copy = device->copy;
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		if (copy->entry[i].device == device)
+			copy->entry[i].device = NULL;
+	}
+	dasd_put_device(device);
+	device->copy = NULL;
+}
+
+/*
+ * read all required information for a copy relation setup and setup the device
+ * accordingly
+ */
+int dasd_devmap_set_device_copy_relation(struct ccw_device *cdev,
+					 bool pprc_enabled)
+{
+	struct dasd_pprc_data_sc4 *data = NULL;
+	struct dasd_copy_entry *entry = NULL;
+	struct dasd_copy_relation *copy;
+	struct dasd_devmap *devmap;
+	struct dasd_device *device;
+	int i, rc = 0;
+
+	devmap = dasd_devmap_from_cdev(cdev);
+	if (IS_ERR(devmap))
+		return PTR_ERR(devmap);
+
+	device = devmap->device;
+	if (!device)
+		return -ENODEV;
+
+	copy = devmap->copy;
+	/* no copy pair setup for this device */
+	if (!copy)
+		goto out;
+
+	rc = dasd_devmap_get_pprc_status(device, &data);
+	if (rc)
+		return rc;
+
+	/* print error if PPRC is requested but not enabled on storage server */
+	if (!pprc_enabled) {
+		dev_err(&cdev->dev, "Copy relation not enabled on storage server\n");
+		rc = -EINVAL;
+		goto out;
+	}
+
+	if (!data->dev_info[0].state) {
+		dev_warn(&device->cdev->dev, "Copy pair setup requested for device not in copy relation\n");
+		rc = -EINVAL;
+		goto out;
+	}
+	/* find entry */
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		if (copy->entry[i].configured &&
+		    strncmp(dev_name(&cdev->dev),
+			    copy->entry[i].busid, DASD_BUS_ID_SIZE) == 0) {
+			entry = &copy->entry[i];
+			break;
+		}
+	}
+	if (!entry) {
+		dev_warn(&device->cdev->dev, "Copy relation entry not found\n");
+		rc = -EINVAL;
+		goto out;
+	}
+	/* check if the copy relation is valid */
+	if (dasd_devmap_check_copy_relation(device, entry, data, copy)) {
+		dev_warn(&device->cdev->dev, "Copy relation faulty\n");
+		rc = -EINVAL;
+		goto out;
+	}
+
+	dasd_get_device(device);
+	copy->entry[i].device = device;
+	device->copy = copy;
+out:
+	kfree(data);
+	return rc;
+}
+EXPORT_SYMBOL_GPL(dasd_devmap_set_device_copy_relation);
+
 /*
  * Wait queue for dasd_delete_device waits.
  */
@@ -617,6 +858,8 @@ dasd_delete_device(struct dasd_device *device)
 	dev_set_drvdata(&device->cdev->dev, NULL);
 	spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
 
+	/* Removve copy relation */
+	dasd_devmap_delete_copy_relation_device(device);
 	/*
 	 * Drop ref_count by 3, one for the devmap reference, one for
 	 * the cdev reference and one for the passed reference.
@@ -1683,6 +1926,313 @@ dasd_path_fcs_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
 static struct kobj_attribute path_fcs_attribute =
 	__ATTR(fc_security, 0444, dasd_path_fcs_show, NULL);
 
+/*
+ * print copy relation in the form
+ * primary,secondary[1] primary,secondary[2], ...
+ */
+static ssize_t
+dasd_copy_pair_show(struct device *dev,
+		    struct device_attribute *attr, char *buf)
+{
+	char prim_busid[DASD_BUS_ID_SIZE];
+	struct dasd_copy_relation *copy;
+	struct dasd_devmap *devmap;
+	int len = 0;
+	int i;
+
+	devmap = dasd_find_busid(dev_name(dev));
+	if (IS_ERR(devmap))
+		return -ENODEV;
+
+	if (!devmap->copy)
+		return -ENODEV;
+
+	copy = devmap->copy;
+	/* find primary */
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		if (copy->entry[i].configured && copy->entry[i].primary) {
+			strscpy(prim_busid, copy->entry[i].busid,
+				DASD_BUS_ID_SIZE);
+			break;
+		}
+	}
+	if (!copy->entry[i].primary)
+		goto out;
+
+	/* print all secondary */
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		if (copy->entry[i].configured && !copy->entry[i].primary)
+			len += sysfs_emit_at(buf, len, "%s,%s ", prim_busid,
+					     copy->entry[i].busid);
+	}
+
+	len += sysfs_emit_at(buf, len, "\n");
+out:
+	return len;
+}
+
+static int dasd_devmap_set_copy_relation(struct dasd_devmap *devmap,
+					 struct dasd_copy_relation *copy,
+					 char *busid, bool primary)
+{
+	int i;
+
+	/* find free entry */
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		/* current bus_id already included, nothing to do */
+		if (copy->entry[i].configured &&
+		    strncmp(copy->entry[i].busid, busid, DASD_BUS_ID_SIZE) == 0)
+			return 0;
+
+		if (!copy->entry[i].configured)
+			break;
+	}
+	if (i == DASD_CP_ENTRIES)
+		return -EINVAL;
+
+	copy->entry[i].configured = true;
+	strscpy(copy->entry[i].busid, busid, DASD_BUS_ID_SIZE);
+	if (primary) {
+		copy->active = &copy->entry[i];
+		copy->entry[i].primary = true;
+	}
+	if (!devmap->copy)
+		devmap->copy = copy;
+
+	return 0;
+}
+
+static void dasd_devmap_del_copy_relation(struct dasd_copy_relation *copy,
+					  char *busid)
+{
+	int i;
+
+	spin_lock(&dasd_devmap_lock);
+	/* find entry */
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		if (copy->entry[i].configured &&
+		    strncmp(copy->entry[i].busid, busid, DASD_BUS_ID_SIZE) == 0)
+			break;
+	}
+	if (i == DASD_CP_ENTRIES || !copy->entry[i].configured) {
+		spin_unlock(&dasd_devmap_lock);
+		return;
+	}
+
+	copy->entry[i].configured = false;
+	memset(copy->entry[i].busid, 0, DASD_BUS_ID_SIZE);
+	if (copy->active == &copy->entry[i]) {
+		copy->active = NULL;
+		copy->entry[i].primary = false;
+	}
+	spin_unlock(&dasd_devmap_lock);
+}
+
+static int dasd_devmap_clear_copy_relation(struct device *dev)
+{
+	struct dasd_copy_relation *copy;
+	struct dasd_devmap *devmap;
+	int i, rc = 1;
+
+	devmap = dasd_devmap_from_cdev(to_ccwdev(dev));
+	if (IS_ERR(devmap))
+		return 1;
+
+	spin_lock(&dasd_devmap_lock);
+	if (!devmap->copy)
+		goto out;
+
+	copy = devmap->copy;
+	/* first check if all secondary devices are offline*/
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		if (!copy->entry[i].configured)
+			continue;
+
+		if (copy->entry[i].device == copy->active->device)
+			continue;
+
+		if (copy->entry[i].device)
+			goto out;
+	}
+	/* clear all devmap entries */
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		if (strlen(copy->entry[i].busid) == 0)
+			continue;
+		if (copy->entry[i].device) {
+			dasd_put_device(copy->entry[i].device);
+			copy->entry[i].device->copy = NULL;
+			copy->entry[i].device = NULL;
+		}
+		devmap = dasd_find_busid_locked(copy->entry[i].busid);
+		devmap->copy = NULL;
+		memset(copy->entry[i].busid, 0, DASD_BUS_ID_SIZE);
+	}
+	kfree(copy);
+	rc = 0;
+out:
+	spin_unlock(&dasd_devmap_lock);
+	return rc;
+}
+
+/*
+ * parse BUSIDs from a copy pair
+ */
+static int dasd_devmap_parse_busid(const char *buf, char *prim_busid,
+				   char *sec_busid)
+{
+	char *primary, *secondary, *tmp, *pt;
+	int id0, id1, id2;
+
+	pt =  kstrdup(buf, GFP_KERNEL);
+	tmp = pt;
+	if (!tmp)
+		return -ENOMEM;
+
+	primary = strsep(&tmp, ",");
+	if (!primary) {
+		kfree(pt);
+		return -EINVAL;
+	}
+	secondary = strsep(&tmp, ",");
+	if (!secondary) {
+		kfree(pt);
+		return -EINVAL;
+	}
+	if (dasd_busid(primary, &id0, &id1, &id2)) {
+		kfree(pt);
+		return -EINVAL;
+	}
+	sprintf(prim_busid, "%01x.%01x.%04x", id0, id1, id2);
+	if (dasd_busid(secondary, &id0, &id1, &id2)) {
+		kfree(pt);
+		return -EINVAL;
+	}
+	sprintf(sec_busid, "%01x.%01x.%04x", id0, id1, id2);
+	kfree(pt);
+
+	return 0;
+}
+
+static ssize_t dasd_copy_pair_store(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	struct dasd_devmap *prim_devmap, *sec_devmap;
+	char prim_busid[DASD_BUS_ID_SIZE];
+	char sec_busid[DASD_BUS_ID_SIZE];
+	struct dasd_copy_relation *copy;
+	struct dasd_device *device;
+	bool pprc_enabled;
+	int rc;
+
+	if (strncmp(buf, "clear", strlen("clear")) == 0) {
+		if (dasd_devmap_clear_copy_relation(dev))
+			return -EINVAL;
+		return count;
+	}
+
+	rc = dasd_devmap_parse_busid(buf, prim_busid, sec_busid);
+	if (rc)
+		return rc;
+
+	if (strncmp(dev_name(dev), prim_busid, DASD_BUS_ID_SIZE) != 0 &&
+	    strncmp(dev_name(dev), sec_busid, DASD_BUS_ID_SIZE) != 0)
+		return -EINVAL;
+
+	/* allocate primary devmap if needed */
+	prim_devmap = dasd_find_busid(prim_busid);
+	if (IS_ERR(prim_devmap))
+		prim_devmap = dasd_add_busid(prim_busid, DASD_FEATURE_DEFAULT);
+
+	/* allocate secondary devmap if needed */
+	sec_devmap = dasd_find_busid(sec_busid);
+	if (IS_ERR(sec_devmap))
+		sec_devmap = dasd_add_busid(sec_busid, DASD_FEATURE_DEFAULT);
+
+	/* setting copy relation is only allowed for offline secondary */
+	if (sec_devmap->device)
+		return -EINVAL;
+
+	if (prim_devmap->copy) {
+		copy = prim_devmap->copy;
+	} else if (sec_devmap->copy) {
+		copy = sec_devmap->copy;
+	} else {
+		copy = kzalloc(sizeof(*copy), GFP_KERNEL);
+		if (!copy)
+			return -ENOMEM;
+	}
+	spin_lock(&dasd_devmap_lock);
+	rc = dasd_devmap_set_copy_relation(prim_devmap, copy, prim_busid, true);
+	if (rc) {
+		spin_unlock(&dasd_devmap_lock);
+		return rc;
+	}
+	rc = dasd_devmap_set_copy_relation(sec_devmap, copy, sec_busid, false);
+	if (rc) {
+		spin_unlock(&dasd_devmap_lock);
+		return rc;
+	}
+	spin_unlock(&dasd_devmap_lock);
+
+	/* if primary device is already online call device setup directly */
+	if (prim_devmap->device && !prim_devmap->device->copy) {
+		device = prim_devmap->device;
+		if (device->discipline->pprc_enabled) {
+			pprc_enabled = device->discipline->pprc_enabled(device);
+			rc = dasd_devmap_set_device_copy_relation(device->cdev,
+								  pprc_enabled);
+		} else {
+			rc = -EOPNOTSUPP;
+		}
+	}
+	if (rc) {
+		dasd_devmap_del_copy_relation(copy, prim_busid);
+		dasd_devmap_del_copy_relation(copy, sec_busid);
+		count = rc;
+	}
+
+	return count;
+}
+static DEVICE_ATTR(copy_pair, 0644, dasd_copy_pair_show,
+		   dasd_copy_pair_store);
+
+static ssize_t
+dasd_copy_role_show(struct device *dev,
+		    struct device_attribute *attr, char *buf)
+{
+	struct dasd_copy_relation *copy;
+	struct dasd_device *device;
+	int len, i;
+
+	device = dasd_device_from_cdev(to_ccwdev(dev));
+	if (IS_ERR(device))
+		return -ENODEV;
+
+	if (!device->copy) {
+		len = sysfs_emit(buf, "none\n");
+		goto out;
+	}
+	copy = device->copy;
+	/* only the active device is primary */
+	if (copy->active->device == device) {
+		len = sysfs_emit(buf, "primary\n");
+		goto out;
+	}
+	for (i = 0; i < DASD_CP_ENTRIES; i++) {
+		if (copy->entry[i].device == device) {
+			len = sysfs_emit(buf, "secondary\n");
+			goto out;
+		}
+	}
+	/* not in the list, no COPY role */
+	len = sysfs_emit(buf, "none\n");
+out:
+	dasd_put_device(device);
+	return len;
+}
+static DEVICE_ATTR(copy_role, 0444, dasd_copy_role_show, NULL);
+
 #define DASD_DEFINE_ATTR(_name, _func)					\
 static ssize_t dasd_##_name##_show(struct device *dev,			\
 				   struct device_attribute *attr,	\
@@ -1739,6 +2289,8 @@ static struct attribute * dasd_attrs[] = {
 	&dev_attr_hpf.attr,
 	&dev_attr_ese.attr,
 	&dev_attr_fc_security.attr,
+	&dev_attr_copy_pair.attr,
+	&dev_attr_copy_role.attr,
 	NULL,
 };
 
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 76f861c2ce614..59b11950fb60c 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2028,11 +2028,28 @@ static void dasd_eckd_kick_validate_server(struct dasd_device *device)
 		dasd_put_device(device);
 }
 
+/*
+ * return if the device is the copy relation primary if a copy relation is active
+ */
+static int dasd_device_is_primary(struct dasd_device *device)
+{
+	if (!device->copy)
+		return 1;
+
+	if (device->copy->active->device == device)
+		return 1;
+
+	return 0;
+}
+
 static int dasd_eckd_alloc_block(struct dasd_device *device)
 {
 	struct dasd_block *block;
 	struct dasd_uid temp_uid;
 
+	if (!dasd_device_is_primary(device))
+		return 0;
+
 	dasd_eckd_get_uid(device, &temp_uid);
 	if (temp_uid.type == UA_BASE_DEVICE) {
 		block = dasd_alloc_block();
@@ -2047,6 +2064,13 @@ static int dasd_eckd_alloc_block(struct dasd_device *device)
 	return 0;
 }
 
+static bool dasd_eckd_pprc_enabled(struct dasd_device *device)
+{
+	struct dasd_eckd_private *private = device->private;
+
+	return private->rdc_data.facilities.PPRC_enabled;
+}
+
 /*
  * Check device characteristics.
  * If the device is accessible using ECKD discipline, the device is enabled.
@@ -2112,6 +2136,24 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 			device->default_expires = value;
 	}
 
+	/* Read Device Characteristics */
+	rc = dasd_generic_read_dev_chars(device, DASD_ECKD_MAGIC,
+					 &private->rdc_data, 64);
+	if (rc) {
+		DBF_EVENT_DEVID(DBF_WARNING, device->cdev,
+				"Read device characteristic failed, rc=%d", rc);
+		goto out_err1;
+	}
+
+	/* setup PPRC for device from devmap */
+	rc = dasd_devmap_set_device_copy_relation(device->cdev,
+						  dasd_eckd_pprc_enabled(device));
+	if (rc) {
+		DBF_EVENT_DEVID(DBF_WARNING, device->cdev,
+				"copy relation setup failed, rc=%d", rc);
+		goto out_err1;
+	}
+
 	/* check if block device is needed and allocate in case */
 	rc = dasd_eckd_alloc_block(device);
 	if (rc)
@@ -2140,15 +2182,6 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 	/* Read Extent Pool Information */
 	dasd_eckd_read_ext_pool_info(device);
 
-	/* Read Device Characteristics */
-	rc = dasd_generic_read_dev_chars(device, DASD_ECKD_MAGIC,
-					 &private->rdc_data, 64);
-	if (rc) {
-		DBF_EVENT_DEVID(DBF_WARNING, device->cdev,
-				"Read device characteristic failed, rc=%d", rc);
-		goto out_err3;
-	}
-
 	if ((device->features & DASD_FEATURE_USERAW) &&
 	    !(private->rdc_data.facilities.RT_in_LR)) {
 		dev_err(&device->cdev->dev, "The storage server does not "
@@ -6789,6 +6822,7 @@ static struct dasd_discipline dasd_eckd_discipline = {
 	.ese_format = dasd_eckd_ese_format,
 	.ese_read = dasd_eckd_ese_read,
 	.pprc_status = dasd_eckd_query_pprc_status,
+	.pprc_enabled = dasd_eckd_pprc_enabled,
 };
 
 static int __init
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index ed83a9a55191b..4b869c2bd5195 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -267,7 +267,7 @@ struct dasd_eckd_characteristics {
 		unsigned char reserved3:8;
 		unsigned char defect_wr:1;
 		unsigned char XRC_supported:1;
-		unsigned char reserved4:1;
+		unsigned char PPRC_enabled:1;
 		unsigned char striping:1;
 		unsigned char reserved5:4;
 		unsigned char cfw:1;
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 2ee8bc035b34a..d743d1d2b38e9 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -291,6 +291,24 @@ struct dasd_pprc_data_sc4 {
 	struct dasd_pprc_dev_info dev_info[5];
 } __packed;
 
+#define DASD_BUS_ID_SIZE 20
+#define DASD_CP_ENTRIES 5
+
+struct dasd_copy_entry {
+	char busid[DASD_BUS_ID_SIZE];
+	struct dasd_device *device;
+	bool primary;
+	bool configured;
+};
+
+struct dasd_copy_relation {
+	struct dasd_copy_entry entry[DASD_CP_ENTRIES];
+	struct dasd_copy_entry *active;
+};
+
+int dasd_devmap_set_device_copy_relation(struct ccw_device *,
+					 bool pprc_enabled);
+
 /*
  * the struct dasd_discipline is
  * sth like a table of virtual functions, if you think of dasd_eckd
@@ -420,6 +438,7 @@ struct dasd_discipline {
 					   struct dasd_ccw_req *, struct irb *);
 	int (*ese_read)(struct dasd_ccw_req *, struct irb *);
 	int (*pprc_status)(struct dasd_device *, struct	dasd_pprc_data_sc4 *);
+	bool (*pprc_enabled)(struct dasd_device *);
 };
 
 extern struct dasd_discipline *dasd_diag_discipline_pointer;
@@ -616,6 +635,7 @@ struct dasd_device {
 	struct dasd_profile profile;
 	struct dasd_format_entry format_entry;
 	struct kset *paths_info;
+	struct dasd_copy_relation *copy;
 };
 
 struct dasd_block {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 036/317] s390/dasd: add autoquiesce feature
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (34 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 035/317] s390/dasd: add copy pair setup Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 037/317] s390/dasd: Use dev_*() for device log messages Sasha Levin
                   ` (283 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Stefan Haberland, Jan Hoeppner, Halil Pasic, Jens Axboe, Sasha Levin

From: Stefan Haberland <sth@linux.ibm.com>

[ Upstream commit 1cee2975bbabd89df1097c354867192106b058ea ]

Add the internal logic to check for autoquiesce triggers and handle
them.

Quiesce and resume are functions that tell Linux to stop/resume
issuing I/Os to a specific DASD.
The DASD driver allows a manual quiesce/resume via ioctl.

Autoquiesce will define an amount of triggers that will lead to
an automatic quiesce if a certain event occurs.
There is no automatic resume.

All events will be reported via DASD Extended Error Reporting (EER)
if configured.

Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Link: https://lore.kernel.org/r/20230405142017.2446986-3-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Stable-dep-of: c3116e62ddef ("s390/dasd: fix double module refcount decrement")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/include/uapi/asm/dasd.h |  2 ++
 drivers/s390/block/dasd.c         | 60 ++++++++++++++++++++++---------
 drivers/s390/block/dasd_eer.c     |  1 +
 drivers/s390/block/dasd_int.h     |  2 ++
 4 files changed, 48 insertions(+), 17 deletions(-)

diff --git a/arch/s390/include/uapi/asm/dasd.h b/arch/s390/include/uapi/asm/dasd.h
index 9ec86fae99805..188d17fc5f0c1 100644
--- a/arch/s390/include/uapi/asm/dasd.h
+++ b/arch/s390/include/uapi/asm/dasd.h
@@ -78,6 +78,7 @@ typedef struct dasd_information2_t {
  * 0x040: give access to raw eckd data
  * 0x080: enable discard support
  * 0x100: enable autodisable for IFCC errors (default)
+ * 0x200: enable requeue of all requests on autoquiesce
  */
 #define DASD_FEATURE_READONLY	      0x001
 #define DASD_FEATURE_USEDIAG	      0x002
@@ -88,6 +89,7 @@ typedef struct dasd_information2_t {
 #define DASD_FEATURE_USERAW	      0x040
 #define DASD_FEATURE_DISCARD	      0x080
 #define DASD_FEATURE_PATH_AUTODISABLE 0x100
+#define DASD_FEATURE_REQUEUEQUIESCE   0x200
 #define DASD_FEATURE_DEFAULT	      DASD_FEATURE_PATH_AUTODISABLE
 
 #define DASD_PARTN_BITS 2
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index dc73b20e7424f..c45b6f3780ebd 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -84,7 +84,8 @@ static void dasd_profile_init(struct dasd_profile *, struct dentry *);
 static void dasd_profile_exit(struct dasd_profile *);
 static void dasd_hosts_init(struct dentry *, struct dasd_device *);
 static void dasd_hosts_exit(struct dasd_device *);
-
+static int dasd_handle_autoquiesce(struct dasd_device *, struct dasd_ccw_req *,
+				   unsigned int);
 /*
  * SECTION: Operations on the device structure.
  */
@@ -2349,7 +2350,7 @@ static int _dasd_sleep_on(struct dasd_ccw_req *maincqr, int interruptible)
 		/* Non-temporary stop condition will trigger fail fast */
 		if (device->stopped & ~DASD_STOPPED_PENDING &&
 		    test_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags) &&
-		    (!dasd_eer_enabled(device))) {
+		    !dasd_eer_enabled(device) && device->aq_mask == 0) {
 			cqr->status = DASD_CQR_FAILED;
 			cqr->intrc = -ENOLINK;
 			continue;
@@ -2825,20 +2826,18 @@ static void __dasd_process_block_ccw_queue(struct dasd_block *block,
 			dasd_log_sense(cqr, &cqr->irb);
 		}
 
-		/* First of all call extended error reporting. */
-		if (dasd_eer_enabled(base) &&
-		    cqr->status == DASD_CQR_FAILED) {
-			dasd_eer_write(base, cqr, DASD_EER_FATALERROR);
-
-			/* restart request  */
+		/*
+		 * First call extended error reporting and check for autoquiesce
+		 */
+		spin_lock_irqsave(get_ccwdev_lock(base->cdev), flags);
+		if (cqr->status == DASD_CQR_FAILED &&
+		    dasd_handle_autoquiesce(base, cqr, DASD_EER_FATALERROR)) {
 			cqr->status = DASD_CQR_FILLED;
 			cqr->retries = 255;
-			spin_lock_irqsave(get_ccwdev_lock(base->cdev), flags);
-			dasd_device_set_stop_bits(base, DASD_STOPPED_QUIESCE);
-			spin_unlock_irqrestore(get_ccwdev_lock(base->cdev),
-					       flags);
+			spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags);
 			goto restart;
 		}
+		spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags);
 
 		/* Process finished ERP request. */
 		if (cqr->refers) {
@@ -2880,7 +2879,7 @@ static void __dasd_block_start_head(struct dasd_block *block)
 		/* Non-temporary stop condition will trigger fail fast */
 		if (block->base->stopped & ~DASD_STOPPED_PENDING &&
 		    test_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags) &&
-		    (!dasd_eer_enabled(block->base))) {
+		    !dasd_eer_enabled(block->base) && block->base->aq_mask == 0) {
 			cqr->status = DASD_CQR_FAILED;
 			cqr->intrc = -ENOLINK;
 			dasd_schedule_block_bh(block);
@@ -3743,8 +3742,8 @@ int dasd_generic_last_path_gone(struct dasd_device *device)
 	dev_warn(&device->cdev->dev, "No operational channel path is left "
 		 "for the device\n");
 	DBF_DEV_EVENT(DBF_WARNING, device, "%s", "last path gone");
-	/* First of all call extended error reporting. */
-	dasd_eer_write(device, NULL, DASD_EER_NOPATH);
+	/* First call extended error reporting and check for autoquiesce. */
+	dasd_handle_autoquiesce(device, NULL, DASD_EER_NOPATH);
 
 	if (device->state < DASD_STATE_BASIC)
 		return 0;
@@ -3877,7 +3876,8 @@ void dasd_generic_path_event(struct ccw_device *cdev, int *path_event)
 			 "No verified channel paths remain for the device\n");
 		DBF_DEV_EVENT(DBF_WARNING, device,
 			      "%s", "last verified path gone");
-		dasd_eer_write(device, NULL, DASD_EER_NOPATH);
+		/* First call extended error reporting and check for autoquiesce. */
+		dasd_handle_autoquiesce(device, NULL, DASD_EER_NOPATH);
 		dasd_device_set_stop_bits(device,
 					  DASD_STOPPED_DC_WAIT);
 	}
@@ -3899,7 +3899,8 @@ EXPORT_SYMBOL_GPL(dasd_generic_verify_path);
 void dasd_generic_space_exhaust(struct dasd_device *device,
 				struct dasd_ccw_req *cqr)
 {
-	dasd_eer_write(device, NULL, DASD_EER_NOSPC);
+	/* First call extended error reporting and check for autoquiesce. */
+	dasd_handle_autoquiesce(device, NULL, DASD_EER_NOSPC);
 
 	if (device->state < DASD_STATE_BASIC)
 		return;
@@ -3992,6 +3993,31 @@ void dasd_schedule_requeue(struct dasd_device *device)
 }
 EXPORT_SYMBOL(dasd_schedule_requeue);
 
+static int dasd_handle_autoquiesce(struct dasd_device *device,
+				   struct dasd_ccw_req *cqr,
+				   unsigned int reason)
+{
+	/* in any case write eer message with reason */
+	if (dasd_eer_enabled(device))
+		dasd_eer_write(device, cqr, reason);
+
+	if (!test_bit(reason, &device->aq_mask))
+		return 0;
+
+	/* notify eer about autoquiesce */
+	if (dasd_eer_enabled(device))
+		dasd_eer_write(device, NULL, DASD_EER_AUTOQUIESCE);
+
+	pr_info("%s: The DASD has been put in the quiesce state\n",
+		dev_name(&device->cdev->dev));
+	dasd_device_set_stop_bits(device, DASD_STOPPED_QUIESCE);
+
+	if (device->features & DASD_FEATURE_REQUEUEQUIESCE)
+		dasd_schedule_requeue(device);
+
+	return 1;
+}
+
 static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
 						   int rdc_buffer_size,
 						   int magic)
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index 5ae64af9ccea3..22338033e6bfb 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -387,6 +387,7 @@ void dasd_eer_write(struct dasd_device *device, struct dasd_ccw_req *cqr,
 		break;
 	case DASD_EER_NOPATH:
 	case DASD_EER_NOSPC:
+	case DASD_EER_AUTOQUIESCE:
 		dasd_eer_write_standard_trigger(device, NULL, id);
 		break;
 	case DASD_EER_STATECHANGE:
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index d743d1d2b38e9..744e14a81cc48 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -459,6 +459,7 @@ extern struct dasd_discipline *dasd_diag_discipline_pointer;
 #define DASD_EER_STATECHANGE 3
 #define DASD_EER_PPRCSUSPEND 4
 #define DASD_EER_NOSPC	     5
+#define DASD_EER_AUTOQUIESCE 31
 
 /* DASD path handling */
 
@@ -636,6 +637,7 @@ struct dasd_device {
 	struct dasd_format_entry format_entry;
 	struct kset *paths_info;
 	struct dasd_copy_relation *copy;
+	unsigned long aq_mask;
 };
 
 struct dasd_block {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 037/317] s390/dasd: Use dev_*() for device log messages
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (35 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 036/317] s390/dasd: add autoquiesce feature Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 038/317] s390/dasd: fix double module refcount decrement Sasha Levin
                   ` (282 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jan Höppner, Stefan Haberland, Jens Axboe, Sasha Levin

From: Jan Höppner <hoeppner@linux.ibm.com>

[ Upstream commit 79ae56fc475869d636071f66d9e4ef2a3819eee6 ]

All log messages in dasd.c use the printk variants of pr_*(). They all
add the name of the affected device manually to the log message.
This can be simplified by using the dev_*() variants of printk, which
include the device information and make a separate call to dev_name()
unnecessary.

The KMSG_COMPONENT and the pr_fmt() definition can be dropped. Note that
this removes the "dasd: " prefix from the one pr_info() call in
dasd_init(). However, the log message already provides all relevant
information.

Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20240208164248.540985-10-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Stable-dep-of: c3116e62ddef ("s390/dasd: fix double module refcount decrement")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/s390/block/dasd.c | 50 +++++++++++++++++++--------------------
 1 file changed, 24 insertions(+), 26 deletions(-)

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index c45b6f3780ebd..f13f76fe3f2e2 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -8,9 +8,6 @@
  * Copyright IBM Corp. 1999, 2009
  */
 
-#define KMSG_COMPONENT "dasd"
-#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
-
 #include <linux/kmod.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
@@ -3451,8 +3448,7 @@ static void dasd_generic_auto_online(void *data, async_cookie_t cookie)
 
 	ret = ccw_device_set_online(cdev);
 	if (ret)
-		pr_warn("%s: Setting the DASD online failed with rc=%d\n",
-			dev_name(&cdev->dev), ret);
+		dev_warn(&cdev->dev, "Setting the DASD online failed with rc=%d\n", ret);
 }
 
 /*
@@ -3539,8 +3535,11 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 {
 	struct dasd_discipline *discipline;
 	struct dasd_device *device;
+	struct device *dev;
 	int rc;
 
+	dev = &cdev->dev;
+
 	/* first online clears initial online feature flag */
 	dasd_set_feature(cdev, DASD_FEATURE_INITIAL_ONLINE, 0);
 	device = dasd_create_device(cdev);
@@ -3553,11 +3552,10 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 			/* Try to load the required module. */
 			rc = request_module(DASD_DIAG_MOD);
 			if (rc) {
-				pr_warn("%s Setting the DASD online failed "
-					"because the required module %s "
-					"could not be loaded (rc=%d)\n",
-					dev_name(&cdev->dev), DASD_DIAG_MOD,
-					rc);
+				dev_warn(dev, "Setting the DASD online failed "
+					 "because the required module %s "
+					 "could not be loaded (rc=%d)\n",
+					 DASD_DIAG_MOD, rc);
 				dasd_delete_device(device);
 				return -ENODEV;
 			}
@@ -3565,8 +3563,7 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 		/* Module init could have failed, so check again here after
 		 * request_module(). */
 		if (!dasd_diag_discipline_pointer) {
-			pr_warn("%s Setting the DASD online failed because of missing DIAG discipline\n",
-				dev_name(&cdev->dev));
+			dev_warn(dev, "Setting the DASD online failed because of missing DIAG discipline\n");
 			dasd_delete_device(device);
 			return -ENODEV;
 		}
@@ -3587,8 +3584,8 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 	/* check_device will allocate block device if necessary */
 	rc = discipline->check_device(device);
 	if (rc) {
-		pr_warn("%s Setting the DASD online with discipline %s failed with rc=%i\n",
-			dev_name(&cdev->dev), discipline->name, rc);
+		dev_warn(dev, "Setting the DASD online with discipline %s failed with rc=%i\n",
+			 discipline->name, rc);
 		module_put(discipline->owner);
 		module_put(base_discipline->owner);
 		dasd_delete_device(device);
@@ -3597,16 +3594,15 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 
 	dasd_set_target_state(device, DASD_STATE_ONLINE);
 	if (device->state <= DASD_STATE_KNOWN) {
-		pr_warn("%s Setting the DASD online failed because of a missing discipline\n",
-			dev_name(&cdev->dev));
+		dev_warn(dev, "Setting the DASD online failed because of a missing discipline\n");
 		rc = -ENODEV;
 		dasd_set_target_state(device, DASD_STATE_NEW);
 		if (device->block)
 			dasd_free_block(device->block);
 		dasd_delete_device(device);
-	} else
-		pr_debug("dasd_generic device %s found\n",
-				dev_name(&cdev->dev));
+	} else {
+		dev_dbg(dev, "dasd_generic device found\n");
+	}
 
 	wait_event(dasd_init_waitq, _wait_for_device(device));
 
@@ -3617,10 +3613,13 @@ EXPORT_SYMBOL_GPL(dasd_generic_set_online);
 
 int dasd_generic_set_offline(struct ccw_device *cdev)
 {
+	int max_count, open_count, rc;
 	struct dasd_device *device;
 	struct dasd_block *block;
-	int max_count, open_count, rc;
 	unsigned long flags;
+	struct device *dev;
+
+	dev = &cdev->dev;
 
 	rc = 0;
 	spin_lock_irqsave(get_ccwdev_lock(cdev), flags);
@@ -3641,11 +3640,10 @@ int dasd_generic_set_offline(struct ccw_device *cdev)
 		open_count = atomic_read(&device->block->open_count);
 		if (open_count > max_count) {
 			if (open_count > 0)
-				pr_warn("%s: The DASD cannot be set offline with open count %i\n",
-					dev_name(&cdev->dev), open_count);
+				dev_warn(dev, "The DASD cannot be set offline with open count %i\n",
+					 open_count);
 			else
-				pr_warn("%s: The DASD cannot be set offline while it is in use\n",
-					dev_name(&cdev->dev));
+				dev_warn(dev, "The DASD cannot be set offline while it is in use\n");
 			rc = -EBUSY;
 			goto out_err;
 		}
@@ -4008,8 +4006,8 @@ static int dasd_handle_autoquiesce(struct dasd_device *device,
 	if (dasd_eer_enabled(device))
 		dasd_eer_write(device, NULL, DASD_EER_AUTOQUIESCE);
 
-	pr_info("%s: The DASD has been put in the quiesce state\n",
-		dev_name(&device->cdev->dev));
+	dev_info(&device->cdev->dev,
+		 "The DASD has been put in the quiesce state\n");
 	dasd_device_set_stop_bits(device, DASD_STOPPED_QUIESCE);
 
 	if (device->features & DASD_FEATURE_REQUEUEQUIESCE)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 038/317] s390/dasd: fix double module refcount decrement
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (36 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 037/317] s390/dasd: Use dev_*() for device log messages Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 039/317] nbd: null check for nla_nest_start Sasha Levin
                   ` (281 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Miroslav Franc, Jan Höppner, Stefan Haberland, Jens Axboe,
	Sasha Levin

From: Miroslav Franc <mfranc@suse.cz>

[ Upstream commit c3116e62ddeff79cae342147753ce596f01fcf06 ]

Once the discipline is associated with the device, deleting the device
takes care of decrementing the module's refcount.  Doing it manually on
this error path causes refcount to artificially decrease on each error
while it should just stay the same.

Fixes: c020d722b110 ("s390/dasd: fix panic during offline processing")
Signed-off-by: Miroslav Franc <mfranc@suse.cz>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20240209124522.3697827-3-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/s390/block/dasd.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index f13f76fe3f2e2..fc33474271115 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -3573,12 +3573,11 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 		dasd_delete_device(device);
 		return -EINVAL;
 	}
+	device->base_discipline = base_discipline;
 	if (!try_module_get(discipline->owner)) {
-		module_put(base_discipline->owner);
 		dasd_delete_device(device);
 		return -EINVAL;
 	}
-	device->base_discipline = base_discipline;
 	device->discipline = discipline;
 
 	/* check_device will allocate block device if necessary */
@@ -3586,8 +3585,6 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 	if (rc) {
 		dev_warn(dev, "Setting the DASD online with discipline %s failed with rc=%i\n",
 			 discipline->name, rc);
-		module_put(discipline->owner);
-		module_put(base_discipline->owner);
 		dasd_delete_device(device);
 		return rc;
 	}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 039/317] nbd: null check for nla_nest_start
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (37 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 038/317] s390/dasd: fix double module refcount decrement Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 040/317] fs/select: rework stack allocation hack for clang Sasha Levin
                   ` (280 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Navid Emamdoost, Michal Kubecek, Kees Cook, Jens Axboe, Sasha Levin

From: Navid Emamdoost <navid.emamdoost@gmail.com>

[ Upstream commit 31edf4bbe0ba27fd03ac7d87eb2ee3d2a231af6d ]

nla_nest_start() may fail and return NULL. Insert a check and set errno
based on other call sites within the same source code.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Fixes: 47d902b90a32 ("nbd: add a status netlink command")
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20240218042534.it.206-kees@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/block/nbd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index d379a047d4273..d12e9f1721c8e 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -2344,6 +2344,12 @@ static int nbd_genl_status(struct sk_buff *skb, struct genl_info *info)
 	}
 
 	dev_list = nla_nest_start_noflag(reply, NBD_ATTR_DEVICE_LIST);
+	if (!dev_list) {
+		nlmsg_free(reply);
+		ret = -EMSGSIZE;
+		goto out;
+	}
+
 	if (index == -1) {
 		ret = idr_for_each(&nbd_index_idr, &status_cb, reply);
 		if (ret) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 040/317] fs/select: rework stack allocation hack for clang
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (38 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 039/317] nbd: null check for nla_nest_start Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 041/317] md: Don't clear MD_CLOSING when the raid is about to stop Sasha Levin
                   ` (279 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arnd Bergmann, Kees Cook, Andi Kleen, Jan Kara,
	Christian Brauner, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit ddb9fd7a544088ed70eccbb9f85e9cc9952131c1 ]

A while ago, we changed the way that select() and poll() preallocate
a temporary buffer just under the size of the static warning limit of
1024 bytes, as clang was frequently going slightly above that limit.

The warnings have recently returned and I took another look. As it turns
out, clang is not actually inherently worse at reserving stack space,
it just happens to inline do_select() into core_sys_select(), while gcc
never inlines it.

Annotate do_select() to never be inlined and in turn remove the special
case for the allocation size. This should give the same behavior for
both clang and gcc all the time and once more avoids those warnings.

Fixes: ad312f95d41c ("fs/select: avoid clang stack usage warning")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240216202352.2492798-1-arnd@kernel.org
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/select.c          | 2 +-
 include/linux/poll.h | 4 ----
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/fs/select.c b/fs/select.c
index 5edffee1162c2..668a5200503ae 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -475,7 +475,7 @@ static inline void wait_key_set(poll_table *wait, unsigned long in,
 		wait->_key |= POLLOUT_SET;
 }
 
-static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time)
+static noinline_for_stack int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time)
 {
 	ktime_t expire, *to = NULL;
 	struct poll_wqueues table;
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 1cdc32b1f1b08..7e0fdcf905d2e 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -16,11 +16,7 @@
 extern struct ctl_table epoll_table[]; /* for sysctl */
 /* ~832 bytes of stack space used max in sys_select/sys_poll before allocating
    additional memory. */
-#ifdef __clang__
-#define MAX_STACK_ALLOC 768
-#else
 #define MAX_STACK_ALLOC 832
-#endif
 #define FRONTEND_STACK_ALLOC	256
 #define SELECT_STACK_ALLOC	FRONTEND_STACK_ALLOC
 #define POLL_STACK_ALLOC	FRONTEND_STACK_ALLOC
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 041/317] md: Don't clear MD_CLOSING when the raid is about to stop
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (39 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 040/317] fs/select: rework stack allocation hack for clang Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 042/317] lib/cmdline: Fix an invalid format specifier in an assertion msg Sasha Levin
                   ` (278 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Li Nan, Yu Kuai, Song Liu, Sasha Levin

From: Li Nan <linan122@huawei.com>

[ Upstream commit 9674f54e41fffaf06f6a60202e1fa4cc13de3cf5 ]

The raid should not be opened anymore when it is about to be stopped.
However, other processes can open it again if the flag MD_CLOSING is
cleared before exiting. From now on, this flag will not be cleared when
the raid will be stopped.

Fixes: 065e519e71b2 ("md: MD_CLOSING needs to be cleared after called md_set_readonly or do_md_stop")
Signed-off-by: Li Nan <linan122@huawei.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240226031444.3606764-6-linan666@huaweicloud.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/md/md.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index a17f2f725822a..c937ad7f6b73a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6230,7 +6230,15 @@ static void md_clean(struct mddev *mddev)
 	mddev->persistent = 0;
 	mddev->level = LEVEL_NONE;
 	mddev->clevel[0] = 0;
-	mddev->flags = 0;
+	/*
+	 * Don't clear MD_CLOSING, or mddev can be opened again.
+	 * 'hold_active != 0' means mddev is still in the creation
+	 * process and will be used later.
+	 */
+	if (mddev->hold_active)
+		mddev->flags = 0;
+	else
+		mddev->flags &= BIT_ULL_MASK(MD_CLOSING);
 	mddev->sb_flags = 0;
 	mddev->ro = MD_RDWR;
 	mddev->metadata_type[0] = 0;
@@ -7550,7 +7558,6 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 	int err = 0;
 	void __user *argp = (void __user *)arg;
 	struct mddev *mddev = NULL;
-	bool did_set_md_closing = false;
 
 	if (!md_ioctl_valid(cmd))
 		return -ENOTTY;
@@ -7637,7 +7644,6 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 			err = -EBUSY;
 			goto out;
 		}
-		did_set_md_closing = true;
 		mutex_unlock(&mddev->open_mutex);
 		sync_blockdev(bdev);
 	}
@@ -7800,7 +7806,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 		mddev->hold_active = 0;
 	mddev_unlock(mddev);
 out:
-	if(did_set_md_closing)
+	if (cmd == STOP_ARRAY_RO || (err && cmd == STOP_ARRAY))
 		clear_bit(MD_CLOSING, &mddev->flags);
 	return err;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 042/317] lib/cmdline: Fix an invalid format specifier in an assertion msg
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (40 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 041/317] md: Don't clear MD_CLOSING when the raid is about to stop Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 043/317] time: test: Fix incorrect format specifier Sasha Levin
                   ` (277 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: David Gow, Guenter Roeck, Daniel Latypov, Shuah Khan, Sasha Levin

From: David Gow <davidgow@google.com>

[ Upstream commit d2733a026fc7247ba42d7a8e1b737cf14bf1df21 ]

The correct format specifier for p - n (both p and n are pointers) is
%td, as the type should be ptrdiff_t.

This was discovered by annotating KUnit assertion macros with gcc's
printf specifier, but note that gcc incorrectly suggested a %d or %ld
specifier (depending on the pointer size of the architecture being
built).

Fixes: 0ea09083116d ("lib/cmdline: Allow get_options() to take 0 to validate the input")
Signed-off-by: David Gow <davidgow@google.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Daniel Latypov <dlatypov@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 lib/cmdline_kunit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/cmdline_kunit.c b/lib/cmdline_kunit.c
index a72a2c16066ef..de7fb7476cb9a 100644
--- a/lib/cmdline_kunit.c
+++ b/lib/cmdline_kunit.c
@@ -124,7 +124,7 @@ static void cmdline_do_one_range_test(struct kunit *test, const char *in,
 			    n, e[0], r[0]);
 
 	p = memchr_inv(&r[1], 0, sizeof(r) - sizeof(r[0]));
-	KUNIT_EXPECT_PTR_EQ_MSG(test, p, NULL, "in test %u at %u out of bound", n, p - r);
+	KUNIT_EXPECT_PTR_EQ_MSG(test, p, NULL, "in test %u at %td out of bound", n, p - r);
 }
 
 static void cmdline_test_range(struct kunit *test)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 043/317] time: test: Fix incorrect format specifier
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (41 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 042/317] lib/cmdline: Fix an invalid format specifier in an assertion msg Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 044/317] rtc: test: Fix invalid " Sasha Levin
                   ` (276 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: David Gow, Guenter Roeck, Justin Stitt, Shuah Khan, Sasha Levin

From: David Gow <davidgow@google.com>

[ Upstream commit 133e267ef4a26d19c93996a874714e9f3f8c70aa ]

'days' is a s64 (from div_s64), and so should use a %lld specifier.

This was found by extending KUnit's assertion macros to use gcc's
__printf attribute.

Fixes: 276010551664 ("time: Improve performance of time64_to_tm()")
Signed-off-by: David Gow <davidgow@google.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/time/time_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/time_test.c b/kernel/time/time_test.c
index 831e8e779acef..f7c3de01197c9 100644
--- a/kernel/time/time_test.c
+++ b/kernel/time/time_test.c
@@ -73,7 +73,7 @@ static void time64_to_tm_test_date_range(struct kunit *test)
 
 		days = div_s64(secs, 86400);
 
-		#define FAIL_MSG "%05ld/%02d/%02d (%2d) : %ld", \
+		#define FAIL_MSG "%05ld/%02d/%02d (%2d) : %lld", \
 			year, month, mdday, yday, days
 
 		KUNIT_ASSERT_EQ_MSG(test, year - 1900, result.tm_year, FAIL_MSG);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 044/317] rtc: test: Fix invalid format specifier.
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (42 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 043/317] time: test: Fix incorrect format specifier Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 045/317] aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts Sasha Levin
                   ` (275 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: David Gow, Guenter Roeck, Justin Stitt, Alexandre Belloni,
	Shuah Khan, Sasha Levin

From: David Gow <davidgow@google.com>

[ Upstream commit 8a904a3caa88118744062e872ae90f37748a8fd8 ]

'days' is a s64 (from div_s64), and so should use a %lld specifier.

This was found by extending KUnit's assertion macros to use gcc's
__printf attribute.

Fixes: 1d1bb12a8b18 ("rtc: Improve performance of rtc_time64_to_tm(). Add tests.")
Signed-off-by: David Gow <davidgow@google.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/rtc/lib_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/lib_test.c b/drivers/rtc/lib_test.c
index d5caf36c56cdc..225c859d6da55 100644
--- a/drivers/rtc/lib_test.c
+++ b/drivers/rtc/lib_test.c
@@ -54,7 +54,7 @@ static void rtc_time64_to_tm_test_date_range(struct kunit *test)
 
 		days = div_s64(secs, 86400);
 
-		#define FAIL_MSG "%d/%02d/%02d (%2d) : %ld", \
+		#define FAIL_MSG "%d/%02d/%02d (%2d) : %lld", \
 			year, month, mday, yday, days
 
 		KUNIT_ASSERT_EQ_MSG(test, year - 1900, result.tm_year, FAIL_MSG);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 045/317] aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (43 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 044/317] rtc: test: Fix invalid " Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 046/317] timekeeping: Fix cross-timestamp interpolation on counter wrap Sasha Levin
                   ` (274 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Chun-Yi Lee, Jens Axboe, Sasha Levin

From: Chun-Yi Lee <jlee@suse.com>

[ Upstream commit f98364e926626c678fb4b9004b75cacf92ff0662 ]

This patch is against CVE-2023-6270. The description of cve is:

  A flaw was found in the ATA over Ethernet (AoE) driver in the Linux
  kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on
  `struct net_device`, and a use-after-free can be triggered by racing
  between the free on the struct and the access through the `skbtxq`
  global queue. This could lead to a denial of service condition or
  potential code execution.

In aoecmd_cfg_pkts(), it always calls dev_put(ifp) when skb initial
code is finished. But the net_device ifp will still be used in
later tx()->dev_queue_xmit() in kthread. Which means that the
dev_put(ifp) should NOT be called in the success path of skb
initial code in aoecmd_cfg_pkts(). Otherwise tx() may run into
use-after-free because the net_device is freed.

This patch removed the dev_put(ifp) in the success path in
aoecmd_cfg_pkts(), and added dev_put() after skb xmit in tx().

Link: https://nvd.nist.gov/vuln/detail/CVE-2023-6270
Fixes: 7562f876cd93 ("[NET]: Rework dev_base via list_head (v3)")
Signed-off-by: Chun-Yi Lee <jlee@suse.com>
Link: https://lore.kernel.org/r/20240305082048.25526-1-jlee@suse.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/block/aoe/aoecmd.c | 12 ++++++------
 drivers/block/aoe/aoenet.c |  1 +
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 588889bea7c30..a6e5306f725b3 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -420,13 +420,16 @@ aoecmd_cfg_pkts(ushort aoemajor, unsigned char aoeminor, struct sk_buff_head *qu
 	rcu_read_lock();
 	for_each_netdev_rcu(&init_net, ifp) {
 		dev_hold(ifp);
-		if (!is_aoe_netif(ifp))
-			goto cont;
+		if (!is_aoe_netif(ifp)) {
+			dev_put(ifp);
+			continue;
+		}
 
 		skb = new_skb(sizeof *h + sizeof *ch);
 		if (skb == NULL) {
 			printk(KERN_INFO "aoe: skb alloc failure\n");
-			goto cont;
+			dev_put(ifp);
+			continue;
 		}
 		skb_put(skb, sizeof *h + sizeof *ch);
 		skb->dev = ifp;
@@ -441,9 +444,6 @@ aoecmd_cfg_pkts(ushort aoemajor, unsigned char aoeminor, struct sk_buff_head *qu
 		h->major = cpu_to_be16(aoemajor);
 		h->minor = aoeminor;
 		h->cmd = AOECMD_CFG;
-
-cont:
-		dev_put(ifp);
 	}
 	rcu_read_unlock();
 }
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index 63773a90581dd..1e66c7a188a12 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -64,6 +64,7 @@ tx(int id) __must_hold(&txlock)
 			pr_warn("aoe: packet could not be sent on %s.  %s\n",
 				ifp ? ifp->name : "netif",
 				"consider increasing tx_queue_len");
+		dev_put(ifp);
 		spin_lock_irq(&txlock);
 	}
 	return 0;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 046/317] timekeeping: Fix cross-timestamp interpolation on counter wrap
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (44 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 045/317] aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 047/317] timekeeping: Fix cross-timestamp interpolation corner case decision Sasha Levin
                   ` (273 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Peter Hilber, Thomas Gleixner, John Stultz, Sasha Levin

From: Peter Hilber <peter.hilber@opensynergy.com>

[ Upstream commit 84dccadd3e2a3f1a373826ad71e5ced5e76b0c00 ]

cycle_between() decides whether get_device_system_crosststamp() will
interpolate for older counter readings.

cycle_between() yields wrong results for a counter wrap-around where after
< before < test, and for the case after < test < before.

Fix the comparison logic.

Fixes: 2c756feb18d9 ("time: Add history to cross timestamp interface supporting slower devices")
Signed-off-by: Peter Hilber <peter.hilber@opensynergy.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <jstultz@google.com>
Link: https://lore.kernel.org/r/20231218073849.35294-2-peter.hilber@opensynergy.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/time/timekeeping.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index d921c1b256cf5..985aa75eedb24 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1169,7 +1169,7 @@ static bool cycle_between(u64 before, u64 test, u64 after)
 {
 	if (test > before && test < after)
 		return true;
-	if (test < before && before > after)
+	if (before > after && (test > before || test < after))
 		return true;
 	return false;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 047/317] timekeeping: Fix cross-timestamp interpolation corner case decision
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (45 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 046/317] timekeeping: Fix cross-timestamp interpolation on counter wrap Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 048/317] timekeeping: Fix cross-timestamp interpolation for non-x86 Sasha Levin
                   ` (272 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Peter Hilber, Thomas Gleixner, Sasha Levin

From: Peter Hilber <peter.hilber@opensynergy.com>

[ Upstream commit 87a41130881995f82f7adbafbfeddaebfb35f0ef ]

The cycle_between() helper checks if parameter test is in the open interval
(before, after). Colloquially speaking, this also applies to the counter
wrap-around special case before > after. get_device_system_crosststamp()
currently uses cycle_between() at the first call site to decide whether to
interpolate for older counter readings.

get_device_system_crosststamp() has the following problem with
cycle_between() testing against an open interval: Assume that, by chance,
cycles == tk->tkr_mono.cycle_last (in the following, "cycle_last" for
brevity). Then, cycle_between() at the first call site, with effective
argument values cycle_between(cycle_last, cycles, now), returns false,
enabling interpolation. During interpolation,
get_device_system_crosststamp() will then call cycle_between() at the
second call site (if a history_begin was supplied). The effective argument
values are cycle_between(history_begin->cycles, cycles, cycles), since
system_counterval.cycles == interval_start == cycles, per the assumption.
Due to the test against the open interval, cycle_between() returns false
again. This causes get_device_system_crosststamp() to return -EINVAL.

This failure should be avoided, since get_device_system_crosststamp() works
both when cycles follows cycle_last (no interpolation), and when cycles
precedes cycle_last (interpolation). For the case cycles == cycle_last,
interpolation is actually unneeded.

Fix this by changing cycle_between() into timestamp_in_interval(), which
now checks against the closed interval, rather than the open interval.

This changes the get_device_system_crosststamp() behavior for three corner
cases:

1. Bypass interpolation in the case cycles == tk->tkr_mono.cycle_last,
   fixing the problem described above.

2. At the first timestamp_in_interval() call site, cycles == now no longer
   causes failure.

3. At the second timestamp_in_interval() call site, history_begin->cycles
   == system_counterval.cycles no longer causes failure.
   adjust_historical_crosststamp() also works for this corner case,
   where partial_history_cycles == total_history_cycles.

These behavioral changes should not cause any problems.

Fixes: 2c756feb18d9 ("time: Add history to cross timestamp interface supporting slower devices")
Signed-off-by: Peter Hilber <peter.hilber@opensynergy.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20231218073849.35294-3-peter.hilber@opensynergy.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/time/timekeeping.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 985aa75eedb24..d21280b3b2ea7 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1163,13 +1163,15 @@ static int adjust_historical_crosststamp(struct system_time_snapshot *history,
 }
 
 /*
- * cycle_between - true if test occurs chronologically between before and after
+ * timestamp_in_interval - true if ts is chronologically in [start, end]
+ *
+ * True if ts occurs chronologically at or after start, and before or at end.
  */
-static bool cycle_between(u64 before, u64 test, u64 after)
+static bool timestamp_in_interval(u64 start, u64 end, u64 ts)
 {
-	if (test > before && test < after)
+	if (ts >= start && ts <= end)
 		return true;
-	if (before > after && (test > before || test < after))
+	if (start > end && (ts >= start || ts <= end))
 		return true;
 	return false;
 }
@@ -1229,7 +1231,7 @@ int get_device_system_crosststamp(int (*get_time_fn)
 		 */
 		now = tk_clock_read(&tk->tkr_mono);
 		interval_start = tk->tkr_mono.cycle_last;
-		if (!cycle_between(interval_start, cycles, now)) {
+		if (!timestamp_in_interval(interval_start, now, cycles)) {
 			clock_was_set_seq = tk->clock_was_set_seq;
 			cs_was_changed_seq = tk->cs_was_changed_seq;
 			cycles = interval_start;
@@ -1260,13 +1262,13 @@ int get_device_system_crosststamp(int (*get_time_fn)
 		bool discontinuity;
 
 		/*
-		 * Check that the counter value occurs after the provided
+		 * Check that the counter value is not before the provided
 		 * history reference and that the history doesn't cross a
 		 * clocksource change
 		 */
 		if (!history_begin ||
-		    !cycle_between(history_begin->cycles,
-				   system_counterval.cycles, cycles) ||
+		    !timestamp_in_interval(history_begin->cycles,
+					   cycles, system_counterval.cycles) ||
 		    history_begin->cs_was_changed_seq != cs_was_changed_seq)
 			return -EINVAL;
 		partial_history_cycles = cycles - system_counterval.cycles;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 048/317] timekeeping: Fix cross-timestamp interpolation for non-x86
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (46 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 047/317] timekeeping: Fix cross-timestamp interpolation corner case decision Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 049/317] sched/fair: Take the scheduling domain into account in select_idle_core() Sasha Levin
                   ` (271 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Peter Hilber, Thomas Gleixner, John Stultz, Sasha Levin

From: Peter Hilber <peter.hilber@opensynergy.com>

[ Upstream commit 14274d0bd31b4debf28284604589f596ad2e99f2 ]

So far, get_device_system_crosststamp() unconditionally passes
system_counterval.cycles to timekeeping_cycles_to_ns(). But when
interpolating system time (do_interp == true), system_counterval.cycles is
before tkr_mono.cycle_last, contrary to the timekeeping_cycles_to_ns()
expectations.

On x86, CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE will mitigate on
interpolating, setting delta to 0. With delta == 0, xtstamp->sys_monoraw
and xtstamp->sys_realtime are then set to the last update time, as
implicitly expected by adjust_historical_crosststamp(). On other
architectures, the resulting nonsense xtstamp->sys_monoraw and
xtstamp->sys_realtime corrupt the xtstamp (ts) adjustment in
adjust_historical_crosststamp().

Fix this by deriving xtstamp->sys_monoraw and xtstamp->sys_realtime from
the last update time when interpolating, by using the local variable
"cycles". The local variable already has the right value when
interpolating, unlike system_counterval.cycles.

Fixes: 2c756feb18d9 ("time: Add history to cross timestamp interface supporting slower devices")
Signed-off-by: Peter Hilber <peter.hilber@opensynergy.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <jstultz@google.com>
Link: https://lore.kernel.org/r/20231218073849.35294-4-peter.hilber@opensynergy.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/time/timekeeping.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index d21280b3b2ea7..dfa6649c490de 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1244,10 +1244,8 @@ int get_device_system_crosststamp(int (*get_time_fn)
 				      tk_core.timekeeper.offs_real);
 		base_raw = tk->tkr_raw.base;
 
-		nsec_real = timekeeping_cycles_to_ns(&tk->tkr_mono,
-						     system_counterval.cycles);
-		nsec_raw = timekeeping_cycles_to_ns(&tk->tkr_raw,
-						    system_counterval.cycles);
+		nsec_real = timekeeping_cycles_to_ns(&tk->tkr_mono, cycles);
+		nsec_raw = timekeeping_cycles_to_ns(&tk->tkr_raw, cycles);
 	} while (read_seqcount_retry(&tk_core.seq, seq));
 
 	xtstamp->sys_realtime = ktime_add_ns(base_real, nsec_real);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 049/317] sched/fair: Take the scheduling domain into account in select_idle_core()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (47 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 048/317] timekeeping: Fix cross-timestamp interpolation for non-x86 Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 050/317] wifi: ath10k: fix NULL pointer dereference in ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev() Sasha Levin
                   ` (270 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Keisuke Nishimura, Julia Lawall, Ingo Molnar, Sasha Levin

From: Keisuke Nishimura <keisuke.nishimura@inria.fr>

[ Upstream commit 23d04d8c6b8ec339057264659b7834027f3e6a63 ]

When picking a CPU on task wakeup, select_idle_core() has to take
into account the scheduling domain where the function looks for the CPU.

This is because the "isolcpus" kernel command line option can remove CPUs
from the domain to isolate them from other SMT siblings.

This change replaces the set of CPUs allowed to run the task from
p->cpus_ptr by the intersection of p->cpus_ptr and sched_domain_span(sd)
which is stored in the 'cpus' argument provided by select_idle_cpu().

Fixes: 9fe1f127b913 ("sched/fair: Merge select_idle_core/cpu()")
Signed-off-by: Keisuke Nishimura <keisuke.nishimura@inria.fr>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240110131707.437301-2-keisuke.nishimura@inria.fr
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/sched/fair.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index b55d51b4105cd..4a1393405a6fe 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6394,7 +6394,7 @@ static int select_idle_core(struct task_struct *p, int core, struct cpumask *cpu
 		if (!available_idle_cpu(cpu)) {
 			idle = false;
 			if (*idle_cpu == -1) {
-				if (sched_idle_cpu(cpu) && cpumask_test_cpu(cpu, p->cpus_ptr)) {
+				if (sched_idle_cpu(cpu) && cpumask_test_cpu(cpu, cpus)) {
 					*idle_cpu = cpu;
 					break;
 				}
@@ -6402,7 +6402,7 @@ static int select_idle_core(struct task_struct *p, int core, struct cpumask *cpu
 			}
 			break;
 		}
-		if (*idle_cpu == -1 && cpumask_test_cpu(cpu, p->cpus_ptr))
+		if (*idle_cpu == -1 && cpumask_test_cpu(cpu, cpus))
 			*idle_cpu = cpu;
 	}
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 050/317] wifi: ath10k: fix NULL pointer dereference in ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (48 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 049/317] sched/fair: Take the scheduling domain into account in select_idle_core() Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 051/317] wifi: b43: Stop/wake correct queue in DMA Tx path when QoS is disabled Sasha Levin
                   ` (269 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Xingyuan Mo, Jeff Johnson, Kalle Valo, Sasha Levin

From: Xingyuan Mo <hdthky0@gmail.com>

[ Upstream commit ad25ee36f00172f7d53242dc77c69fff7ced0755 ]

We should check whether the WMI_TLV_TAG_STRUCT_MGMT_TX_COMPL_EVENT tlv is
present before accessing it, otherwise a null pointer deference error will
occur.

Fixes: dc405152bb64 ("ath10k: handle mgmt tx completion event")
Signed-off-by: Xingyuan Mo <hdthky0@gmail.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20231208043433.271449-1-hdthky0@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 7efbe03fbca82..d5dafbecc1845 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -844,6 +844,10 @@ ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev(struct ath10k *ar, struct sk_buff *skb,
 	}
 
 	ev = tb[WMI_TLV_TAG_STRUCT_MGMT_TX_COMPL_EVENT];
+	if (!ev) {
+		kfree(tb);
+		return -EPROTO;
+	}
 
 	arg->desc_id = ev->desc_id;
 	arg->status = ev->status;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 051/317] wifi: b43: Stop/wake correct queue in DMA Tx path when QoS is disabled
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (49 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 050/317] wifi: ath10k: fix NULL pointer dereference in ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev() Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 052/317] wifi: b43: Stop/wake correct queue in PIO " Sasha Levin
                   ` (268 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Rahul Rameshbabu, Julian Calaby, Kalle Valo, Sasha Levin

From: Rahul Rameshbabu <sergeantsagara@protonmail.com>

[ Upstream commit 9636951e4468f02c72cc75a82dc65d003077edbc ]

When QoS is disabled, the queue priority value will not map to the correct
ieee80211 queue since there is only one queue. Stop/wake queue 0 when QoS
is disabled to prevent trying to stop/wake a non-existent queue and failing
to stop/wake the actual queue instantiated.

Log of issue before change (with kernel parameter qos=0):
    [  +5.112651] ------------[ cut here ]------------
    [  +0.000005] WARNING: CPU: 7 PID: 25513 at net/mac80211/util.c:449 __ieee80211_wake_queue+0xd5/0x180 [mac80211]
    [  +0.000067] Modules linked in: b43(O) snd_seq_dummy snd_hrtimer snd_seq snd_seq_device nft_chain_nat xt_MASQUERADE nf_nat xfrm_user xfrm_algo xt_addrtype overlay ccm af_packet amdgpu snd_hda_codec_cirrus snd_hda_codec_generic ledtrig_audio drm_exec amdxcp gpu_sched xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_rpfilter ipt_rpfilter xt_pkttype xt_LOG nf_log_syslog xt_tcpudp nft_compat nf_tables nfnetlink sch_fq_codel btusb uinput iTCO_wdt ctr btrtl intel_pmc_bxt i915 intel_rapl_msr mei_hdcp mei_pxp joydev at24 watchdog btintel atkbd libps2 serio radeon btbcm vivaldi_fmap btmtk intel_rapl_common snd_hda_codec_hdmi bluetooth uvcvideo nls_iso8859_1 applesmc nls_cp437 x86_pkg_temp_thermal snd_hda_intel intel_powerclamp vfat videobuf2_vmalloc coretemp fat snd_intel_dspcfg crc32_pclmul uvc polyval_clmulni snd_intel_sdw_acpi loop videobuf2_memops snd_hda_codec tun drm_suballoc_helper polyval_generic drm_ttm_helper drm_buddy tap ecdh_generic videobuf2_v4l2 gf128mul macvlan ttm ghash_clmulni_intel ecc tg3
    [  +0.000044]  videodev bridge snd_hda_core rapl crc16 drm_display_helper cec mousedev snd_hwdep evdev intel_cstate bcm5974 hid_appleir videobuf2_common stp mac_hid libphy snd_pcm drm_kms_helper acpi_als mei_me intel_uncore llc mc snd_timer intel_gtt industrialio_triggered_buffer apple_mfi_fastcharge i2c_i801 mei snd lpc_ich agpgart ptp i2c_smbus thunderbolt apple_gmux i2c_algo_bit kfifo_buf video industrialio soundcore pps_core wmi tiny_power_button sbs sbshc button ac cordic bcma mac80211 cfg80211 ssb rfkill libarc4 kvm_intel kvm drm irqbypass fuse backlight firmware_class efi_pstore configfs efivarfs dmi_sysfs ip_tables x_tables autofs4 dm_crypt cbc encrypted_keys trusted asn1_encoder tee tpm rng_core input_leds hid_apple led_class hid_generic usbhid hid sd_mod t10_pi crc64_rocksoft crc64 crc_t10dif crct10dif_generic ahci libahci libata uhci_hcd ehci_pci ehci_hcd crct10dif_pclmul crct10dif_common sha512_ssse3 sha512_generic sha256_ssse3 sha1_ssse3 aesni_intel usbcore scsi_mod libaes crypto_simd cryptd scsi_common
    [  +0.000055]  usb_common rtc_cmos btrfs blake2b_generic libcrc32c crc32c_generic crc32c_intel xor raid6_pq dm_snapshot dm_bufio dm_mod dax [last unloaded: b43(O)]
    [  +0.000009] CPU: 7 PID: 25513 Comm: irq/17-b43 Tainted: G        W  O       6.6.7 #1-NixOS
    [  +0.000003] Hardware name: Apple Inc. MacBookPro8,3/Mac-942459F5819B171B, BIOS 87.0.0.0.0 06/13/2019
    [  +0.000001] RIP: 0010:__ieee80211_wake_queue+0xd5/0x180 [mac80211]
    [  +0.000046] Code: 00 45 85 e4 0f 85 9b 00 00 00 48 8d bd 40 09 00 00 f0 48 0f ba ad 48 09 00 00 00 72 0f 5b 5d 41 5c 41 5d 41 5e e9 cb 6d 3c d0 <0f> 0b 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc 48 8d b4 16 94 00 00
    [  +0.000002] RSP: 0018:ffffc90003c77d60 EFLAGS: 00010097
    [  +0.000001] RAX: 0000000000000001 RBX: 0000000000000002 RCX: 0000000000000000
    [  +0.000001] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88820b924900
    [  +0.000002] RBP: ffff88820b924900 R08: ffffc90003c77d90 R09: 000000000003bfd0
    [  +0.000001] R10: ffff88820b924900 R11: ffffc90003c77c68 R12: 0000000000000000
    [  +0.000001] R13: 0000000000000000 R14: ffffc90003c77d90 R15: ffffffffc0fa6f40
    [  +0.000001] FS:  0000000000000000(0000) GS:ffff88846fb80000(0000) knlGS:0000000000000000
    [  +0.000001] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    [  +0.000001] CR2: 00007fafda7ae008 CR3: 000000046d220005 CR4: 00000000000606e0
    [  +0.000002] Call Trace:
    [  +0.000003]  <TASK>
    [  +0.000001]  ? __ieee80211_wake_queue+0xd5/0x180 [mac80211]
    [  +0.000044]  ? __warn+0x81/0x130
    [  +0.000005]  ? __ieee80211_wake_queue+0xd5/0x180 [mac80211]
    [  +0.000045]  ? report_bug+0x171/0x1a0
    [  +0.000004]  ? handle_bug+0x41/0x70
    [  +0.000004]  ? exc_invalid_op+0x17/0x70
    [  +0.000003]  ? asm_exc_invalid_op+0x1a/0x20
    [  +0.000005]  ? __ieee80211_wake_queue+0xd5/0x180 [mac80211]
    [  +0.000043]  ieee80211_wake_queue+0x4a/0x80 [mac80211]
    [  +0.000044]  b43_dma_handle_txstatus+0x29c/0x3a0 [b43]
    [  +0.000016]  ? __pfx_irq_thread_fn+0x10/0x10
    [  +0.000002]  b43_handle_txstatus+0x61/0x80 [b43]
    [  +0.000012]  b43_interrupt_thread_handler+0x3f9/0x6b0 [b43]
    [  +0.000011]  irq_thread_fn+0x23/0x60
    [  +0.000002]  irq_thread+0xfe/0x1c0
    [  +0.000002]  ? __pfx_irq_thread_dtor+0x10/0x10
    [  +0.000001]  ? __pfx_irq_thread+0x10/0x10
    [  +0.000001]  kthread+0xe8/0x120
    [  +0.000003]  ? __pfx_kthread+0x10/0x10
    [  +0.000003]  ret_from_fork+0x34/0x50
    [  +0.000002]  ? __pfx_kthread+0x10/0x10
    [  +0.000002]  ret_from_fork_asm+0x1b/0x30
    [  +0.000004]  </TASK>
    [  +0.000001] ---[ end trace 0000000000000000 ]---

    [  +0.000065] ------------[ cut here ]------------
    [  +0.000001] WARNING: CPU: 0 PID: 56077 at net/mac80211/util.c:514 __ieee80211_stop_queue+0xcc/0xe0 [mac80211]
    [  +0.000077] Modules linked in: b43(O) snd_seq_dummy snd_hrtimer snd_seq snd_seq_device nft_chain_nat xt_MASQUERADE nf_nat xfrm_user xfrm_algo xt_addrtype overlay ccm af_packet amdgpu snd_hda_codec_cirrus snd_hda_codec_generic ledtrig_audio drm_exec amdxcp gpu_sched xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_rpfilter ipt_rpfilter xt_pkttype xt_LOG nf_log_syslog xt_tcpudp nft_compat nf_tables nfnetlink sch_fq_codel btusb uinput iTCO_wdt ctr btrtl intel_pmc_bxt i915 intel_rapl_msr mei_hdcp mei_pxp joydev at24 watchdog btintel atkbd libps2 serio radeon btbcm vivaldi_fmap btmtk intel_rapl_common snd_hda_codec_hdmi bluetooth uvcvideo nls_iso8859_1 applesmc nls_cp437 x86_pkg_temp_thermal snd_hda_intel intel_powerclamp vfat videobuf2_vmalloc coretemp fat snd_intel_dspcfg crc32_pclmul uvc polyval_clmulni snd_intel_sdw_acpi loop videobuf2_memops snd_hda_codec tun drm_suballoc_helper polyval_generic drm_ttm_helper drm_buddy tap ecdh_generic videobuf2_v4l2 gf128mul macvlan ttm ghash_clmulni_intel ecc tg3
    [  +0.000073]  videodev bridge snd_hda_core rapl crc16 drm_display_helper cec mousedev snd_hwdep evdev intel_cstate bcm5974 hid_appleir videobuf2_common stp mac_hid libphy snd_pcm drm_kms_helper acpi_als mei_me intel_uncore llc mc snd_timer intel_gtt industrialio_triggered_buffer apple_mfi_fastcharge i2c_i801 mei snd lpc_ich agpgart ptp i2c_smbus thunderbolt apple_gmux i2c_algo_bit kfifo_buf video industrialio soundcore pps_core wmi tiny_power_button sbs sbshc button ac cordic bcma mac80211 cfg80211 ssb rfkill libarc4 kvm_intel kvm drm irqbypass fuse backlight firmware_class efi_pstore configfs efivarfs dmi_sysfs ip_tables x_tables autofs4 dm_crypt cbc encrypted_keys trusted asn1_encoder tee tpm rng_core input_leds hid_apple led_class hid_generic usbhid hid sd_mod t10_pi crc64_rocksoft crc64 crc_t10dif crct10dif_generic ahci libahci libata uhci_hcd ehci_pci ehci_hcd crct10dif_pclmul crct10dif_common sha512_ssse3 sha512_generic sha256_ssse3 sha1_ssse3 aesni_intel usbcore scsi_mod libaes crypto_simd cryptd scsi_common
    [  +0.000084]  usb_common rtc_cmos btrfs blake2b_generic libcrc32c crc32c_generic crc32c_intel xor raid6_pq dm_snapshot dm_bufio dm_mod dax [last unloaded: b43]
    [  +0.000012] CPU: 0 PID: 56077 Comm: kworker/u16:17 Tainted: G        W  O       6.6.7 #1-NixOS
    [  +0.000003] Hardware name: Apple Inc. MacBookPro8,3/Mac-942459F5819B171B, BIOS 87.0.0.0.0 06/13/2019
    [  +0.000001] Workqueue: phy7 b43_tx_work [b43]
    [  +0.000019] RIP: 0010:__ieee80211_stop_queue+0xcc/0xe0 [mac80211]
    [  +0.000076] Code: 74 11 48 8b 78 08 0f b7 d6 89 e9 4c 89 e6 e8 ab f4 00 00 65 ff 0d 9c b7 34 3f 0f 85 55 ff ff ff 0f 1f 44 00 00 e9 4b ff ff ff <0f> 0b 5b 5d 41 5c 41 5d c3 cc cc cc cc 0f 1f 80 00 00 00 00 90 90
    [  +0.000002] RSP: 0000:ffffc90004157d50 EFLAGS: 00010097
    [  +0.000002] RAX: 0000000000000001 RBX: 0000000000000002 RCX: 0000000000000000
    [  +0.000002] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8882d65d0900
    [  +0.000002] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
    [  +0.000001] R10: 00000000000000ff R11: ffff88814d0155a0 R12: ffff8882d65d0900
    [  +0.000002] R13: 0000000000000000 R14: ffff8881002d2800 R15: 00000000000000d0
    [  +0.000002] FS:  0000000000000000(0000) GS:ffff88846f800000(0000) knlGS:0000000000000000
    [  +0.000003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    [  +0.000002] CR2: 00007f2e8c10c880 CR3: 0000000385b66005 CR4: 00000000000606f0
    [  +0.000002] Call Trace:
    [  +0.000001]  <TASK>
    [  +0.000001]  ? __ieee80211_stop_queue+0xcc/0xe0 [mac80211]
    [  +0.000075]  ? __warn+0x81/0x130
    [  +0.000004]  ? __ieee80211_stop_queue+0xcc/0xe0 [mac80211]
    [  +0.000075]  ? report_bug+0x171/0x1a0
    [  +0.000005]  ? handle_bug+0x41/0x70
    [  +0.000003]  ? exc_invalid_op+0x17/0x70
    [  +0.000004]  ? asm_exc_invalid_op+0x1a/0x20
    [  +0.000004]  ? __ieee80211_stop_queue+0xcc/0xe0 [mac80211]
    [  +0.000076]  ieee80211_stop_queue+0x36/0x50 [mac80211]
    [  +0.000077]  b43_dma_tx+0x550/0x780 [b43]
    [  +0.000023]  b43_tx_work+0x90/0x130 [b43]
    [  +0.000018]  process_one_work+0x174/0x340
    [  +0.000003]  worker_thread+0x27b/0x3a0
    [  +0.000004]  ? __pfx_worker_thread+0x10/0x10
    [  +0.000002]  kthread+0xe8/0x120
    [  +0.000003]  ? __pfx_kthread+0x10/0x10
    [  +0.000004]  ret_from_fork+0x34/0x50
    [  +0.000002]  ? __pfx_kthread+0x10/0x10
    [  +0.000003]  ret_from_fork_asm+0x1b/0x30
    [  +0.000006]  </TASK>
    [  +0.000001] ---[ end trace 0000000000000000 ]---

Fixes: e6f5b934fba8 ("b43: Add QOS support")
Signed-off-by: Rahul Rameshbabu <sergeantsagara@protonmail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231231050300.122806-2-sergeantsagara@protonmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/broadcom/b43/b43.h | 16 ++++++++++++++++
 drivers/net/wireless/broadcom/b43/dma.c |  4 ++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/b43/b43.h b/drivers/net/wireless/broadcom/b43/b43.h
index 67b4bac048e58..c0d8fc0b22fb2 100644
--- a/drivers/net/wireless/broadcom/b43/b43.h
+++ b/drivers/net/wireless/broadcom/b43/b43.h
@@ -1082,6 +1082,22 @@ static inline bool b43_using_pio_transfers(struct b43_wldev *dev)
 	return dev->__using_pio_transfers;
 }
 
+static inline void b43_wake_queue(struct b43_wldev *dev, int queue_prio)
+{
+	if (dev->qos_enabled)
+		ieee80211_wake_queue(dev->wl->hw, queue_prio);
+	else
+		ieee80211_wake_queue(dev->wl->hw, 0);
+}
+
+static inline void b43_stop_queue(struct b43_wldev *dev, int queue_prio)
+{
+	if (dev->qos_enabled)
+		ieee80211_stop_queue(dev->wl->hw, queue_prio);
+	else
+		ieee80211_stop_queue(dev->wl->hw, 0);
+}
+
 /* Message printing */
 __printf(2, 3) void b43info(struct b43_wl *wl, const char *fmt, ...);
 __printf(2, 3) void b43err(struct b43_wl *wl, const char *fmt, ...);
diff --git a/drivers/net/wireless/broadcom/b43/dma.c b/drivers/net/wireless/broadcom/b43/dma.c
index 9a7c62bd5e431..cfaf2f9d67b22 100644
--- a/drivers/net/wireless/broadcom/b43/dma.c
+++ b/drivers/net/wireless/broadcom/b43/dma.c
@@ -1399,7 +1399,7 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
 	    should_inject_overflow(ring)) {
 		/* This TX ring is full. */
 		unsigned int skb_mapping = skb_get_queue_mapping(skb);
-		ieee80211_stop_queue(dev->wl->hw, skb_mapping);
+		b43_stop_queue(dev, skb_mapping);
 		dev->wl->tx_queue_stopped[skb_mapping] = true;
 		ring->stopped = true;
 		if (b43_debug(dev, B43_DBG_DMAVERBOSE)) {
@@ -1570,7 +1570,7 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 	} else {
 		/* If the driver queue is running wake the corresponding
 		 * mac80211 queue. */
-		ieee80211_wake_queue(dev->wl->hw, ring->queue_prio);
+		b43_wake_queue(dev, ring->queue_prio);
 		if (b43_debug(dev, B43_DBG_DMAVERBOSE)) {
 			b43dbg(dev->wl, "Woke up TX ring %d\n", ring->index);
 		}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 052/317] wifi: b43: Stop/wake correct queue in PIO Tx path when QoS is disabled
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (50 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 051/317] wifi: b43: Stop/wake correct queue in DMA Tx path when QoS is disabled Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 053/317] wifi: b43: Stop correct queue in DMA worker " Sasha Levin
                   ` (267 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Rahul Rameshbabu, Julian Calaby, Kalle Valo, Sasha Levin

From: Rahul Rameshbabu <sergeantsagara@protonmail.com>

[ Upstream commit 77135a38f6c2f950d2306ac3d37cbb407e6243f2 ]

When QoS is disabled, the queue priority value will not map to the correct
ieee80211 queue since there is only one queue. Stop/wake queue 0 when QoS
is disabled to prevent trying to stop/wake a non-existent queue and failing
to stop/wake the actual queue instantiated.

Fixes: 5100d5ac81b9 ("b43: Add PIO support for PCMCIA devices")
Signed-off-by: Rahul Rameshbabu <sergeantsagara@protonmail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231231050300.122806-3-sergeantsagara@protonmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/broadcom/b43/pio.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/broadcom/b43/pio.c b/drivers/net/wireless/broadcom/b43/pio.c
index 8c28a9250cd19..cc19b589fa70d 100644
--- a/drivers/net/wireless/broadcom/b43/pio.c
+++ b/drivers/net/wireless/broadcom/b43/pio.c
@@ -525,7 +525,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
 	if (total_len > (q->buffer_size - q->buffer_used)) {
 		/* Not enough memory on the queue. */
 		err = -EBUSY;
-		ieee80211_stop_queue(dev->wl->hw, skb_get_queue_mapping(skb));
+		b43_stop_queue(dev, skb_get_queue_mapping(skb));
 		q->stopped = true;
 		goto out;
 	}
@@ -552,7 +552,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
 	if (((q->buffer_size - q->buffer_used) < roundup(2 + 2 + 6, 4)) ||
 	    (q->free_packet_slots == 0)) {
 		/* The queue is full. */
-		ieee80211_stop_queue(dev->wl->hw, skb_get_queue_mapping(skb));
+		b43_stop_queue(dev, skb_get_queue_mapping(skb));
 		q->stopped = true;
 	}
 
@@ -587,7 +587,7 @@ void b43_pio_handle_txstatus(struct b43_wldev *dev,
 	list_add(&pack->list, &q->packets_list);
 
 	if (q->stopped) {
-		ieee80211_wake_queue(dev->wl->hw, q->queue_prio);
+		b43_wake_queue(dev, q->queue_prio);
 		q->stopped = false;
 	}
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 053/317] wifi: b43: Stop correct queue in DMA worker when QoS is disabled
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (51 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 052/317] wifi: b43: Stop/wake correct queue in PIO " Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 054/317] wifi: b43: Disable QoS for bcm4331 Sasha Levin
                   ` (266 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Rahul Rameshbabu, Julian Calaby, Kalle Valo, Sasha Levin

From: Rahul Rameshbabu <sergeantsagara@protonmail.com>

[ Upstream commit 581c8967d66c4961076dbbee356834e9c6777184 ]

When QoS is disabled, the queue priority value will not map to the correct
ieee80211 queue since there is only one queue. Stop queue 0 when QoS is
disabled to prevent trying to stop a non-existent queue and failing to stop
the actual queue instantiated.

Fixes: bad691946966 ("b43: avoid packet losses in the dma worker code.")
Signed-off-by: Rahul Rameshbabu <sergeantsagara@protonmail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231231050300.122806-4-sergeantsagara@protonmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/broadcom/b43/main.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/broadcom/b43/main.c b/drivers/net/wireless/broadcom/b43/main.c
index 17bcec5f3ff75..ad38aabfd5972 100644
--- a/drivers/net/wireless/broadcom/b43/main.c
+++ b/drivers/net/wireless/broadcom/b43/main.c
@@ -3603,7 +3603,7 @@ static void b43_tx_work(struct work_struct *work)
 				err = b43_dma_tx(dev, skb);
 			if (err == -ENOSPC) {
 				wl->tx_queue_stopped[queue_num] = true;
-				ieee80211_stop_queue(wl->hw, queue_num);
+				b43_stop_queue(dev, queue_num);
 				skb_queue_head(&wl->tx_queue[queue_num], skb);
 				break;
 			}
@@ -3627,6 +3627,7 @@ static void b43_op_tx(struct ieee80211_hw *hw,
 		      struct sk_buff *skb)
 {
 	struct b43_wl *wl = hw_to_b43_wl(hw);
+	u16 skb_queue_mapping;
 
 	if (unlikely(skb->len < 2 + 2 + 6)) {
 		/* Too short, this can't be a valid frame. */
@@ -3635,12 +3636,12 @@ static void b43_op_tx(struct ieee80211_hw *hw,
 	}
 	B43_WARN_ON(skb_shinfo(skb)->nr_frags);
 
-	skb_queue_tail(&wl->tx_queue[skb->queue_mapping], skb);
-	if (!wl->tx_queue_stopped[skb->queue_mapping]) {
+	skb_queue_mapping = skb_get_queue_mapping(skb);
+	skb_queue_tail(&wl->tx_queue[skb_queue_mapping], skb);
+	if (!wl->tx_queue_stopped[skb_queue_mapping])
 		ieee80211_queue_work(wl->hw, &wl->tx_work);
-	} else {
-		ieee80211_stop_queue(wl->hw, skb->queue_mapping);
-	}
+	else
+		b43_stop_queue(wl->current_dev, skb_queue_mapping);
 }
 
 static void b43_qos_params_upload(struct b43_wldev *dev,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 054/317] wifi: b43: Disable QoS for bcm4331
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (52 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 053/317] wifi: b43: Stop correct queue in DMA worker " Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 055/317] wifi: wilc1000: fix declarations ordering Sasha Levin
                   ` (265 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Rahul Rameshbabu, Julian Calaby, Kalle Valo, Sasha Levin

From: Rahul Rameshbabu <sergeantsagara@protonmail.com>

[ Upstream commit 09795bded2e725443fe4a4803cae2079cdaf7b26 ]

bcm4331 seems to not function correctly with QoS support. This may be due
to issues with currently available firmware or potentially a device
specific issue.

When queues that are not of the default "best effort" priority are
selected, traffic appears to not transmit out of the hardware while no
errors are returned. This behavior is present among all the other priority
queues: video, voice, and background. While this can be worked around by
setting a kernel parameter, the default behavior is problematic for most
users and may be difficult to debug. This patch offers a working out-of-box
experience for bcm4331 users.

Log of the issue (using ssh low-priority traffic as an example):
    ssh -T -vvvv git@github.com
    OpenSSH_9.6p1, OpenSSL 3.0.12 24 Oct 2023
    debug1: Reading configuration data /etc/ssh/ssh_config
    debug2: checking match for 'host * exec "/nix/store/q1c2flcykgr4wwg5a6h450hxbk4ch589-bash-5.2-p15/bin/bash -c '/nix/store/c015armnkhr6v18za0rypm7sh1i8js8w-gnupg-2.4.1/bin/gpg-connect-agent --quiet updatestartuptty /bye >/dev/null 2>&1'"' host github.com originally github.com
    debug3: /etc/ssh/ssh_config line 5: matched 'host "github.com"'
    debug1: Executing command: '/nix/store/q1c2flcykgr4wwg5a6h450hxbk4ch589-bash-5.2-p15/bin/bash -c '/nix/store/c015armnkhr6v18za0rypm7sh1i8js8w-gnupg-2.4.1/bin/gpg-connect-agent --quiet updatestartuptty /bye >/dev/null 2>&1''
    debug3: command returned status 0
    debug3: /etc/ssh/ssh_config line 5: matched 'exec "/nix/store/q1c2flcykgr4wwg5a6h450hxbk4ch589-bash-5.2-p15/bin/bash -c '/nix/store/c015armnkhr6v18za0r"'
    debug2: match found
    debug1: /etc/ssh/ssh_config line 9: Applying options for *
    debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts' -> '/home/binary-eater/.ssh/known_hosts'
    debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts2' -> '/home/binary-eater/.ssh/known_hosts2'
    debug2: resolving "github.com" port 22
    debug3: resolve_host: lookup github.com:22
    debug3: channel_clear_timeouts: clearing
    debug3: ssh_connect_direct: entering
    debug1: Connecting to github.com [192.30.255.113] port 22.
    debug3: set_sock_tos: set socket 3 IP_TOS 0x48

Fixes: e6f5b934fba8 ("b43: Add QOS support")
Signed-off-by: Rahul Rameshbabu <sergeantsagara@protonmail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231231050300.122806-5-sergeantsagara@protonmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/broadcom/b43/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/b43/main.c b/drivers/net/wireless/broadcom/b43/main.c
index ad38aabfd5972..e6e4a18d817a0 100644
--- a/drivers/net/wireless/broadcom/b43/main.c
+++ b/drivers/net/wireless/broadcom/b43/main.c
@@ -2587,7 +2587,8 @@ static void b43_request_firmware(struct work_struct *work)
 
 start_ieee80211:
 	wl->hw->queues = B43_QOS_QUEUE_NUM;
-	if (!modparam_qos || dev->fw.opensource)
+	if (!modparam_qos || dev->fw.opensource ||
+	    dev->dev->chip_id == BCMA_CHIP_ID_BCM4331)
 		wl->hw->queues = 1;
 
 	err = ieee80211_register_hw(wl->hw);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 055/317] wifi: wilc1000: fix declarations ordering
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (53 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 054/317] wifi: b43: Disable QoS for bcm4331 Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 056/317] wifi: wilc1000: fix RCU usage in connect path Sasha Levin
                   ` (264 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Alexis Lothoré, Kalle Valo, Sasha Levin

From: Alexis Lothoré <alexis.lothore@bootlin.com>

[ Upstream commit 535733e90e5d8912ebeccebb05b354a2d06ff459 ]

Reorder parameters declaration in wilc_parse_join_bss_param to enforce
reverse christmas tree

Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240105075733.36331-2-alexis.lothore@bootlin.com
Stable-dep-of: 205c50306acf ("wifi: wilc1000: fix RCU usage in connect path")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/microchip/wilc1000/hif.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c b/drivers/net/wireless/microchip/wilc1000/hif.c
index a7bca0475e1ee..edd51592a82da 100644
--- a/drivers/net/wireless/microchip/wilc1000/hif.c
+++ b/drivers/net/wireless/microchip/wilc1000/hif.c
@@ -359,13 +359,13 @@ static void handle_connect_timeout(struct work_struct *work)
 void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
 				struct cfg80211_crypto_settings *crypto)
 {
-	struct wilc_join_bss_param *param;
-	struct ieee80211_p2p_noa_attr noa_attr;
-	u8 rates_len = 0;
+	const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies);
 	const u8 *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
 	const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
+	struct ieee80211_p2p_noa_attr noa_attr;
+	struct wilc_join_bss_param *param;
+	u8 rates_len = 0;
 	int ret;
-	const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies);
 
 	param = kzalloc(sizeof(*param), GFP_KERNEL);
 	if (!param)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 056/317] wifi: wilc1000: fix RCU usage in connect path
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (54 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 055/317] wifi: wilc1000: fix declarations ordering Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 057/317] wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work Sasha Levin
                   ` (263 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Alexis Lothoré, Kalle Valo, Sasha Levin

From: Alexis Lothoré <alexis.lothore@bootlin.com>

[ Upstream commit 205c50306acf58a335eb19fa84e40140f4fe814f ]

With lockdep enabled, calls to the connect function from cfg802.11 layer
lead to the following warning:

=============================
WARNING: suspicious RCU usage
6.7.0-rc1-wt+ #333 Not tainted
-----------------------------
drivers/net/wireless/microchip/wilc1000/hif.c:386
suspicious rcu_dereference_check() usage!
[...]
stack backtrace:
CPU: 0 PID: 100 Comm: wpa_supplicant Not tainted 6.7.0-rc1-wt+ #333
Hardware name: Atmel SAMA5
 unwind_backtrace from show_stack+0x18/0x1c
 show_stack from dump_stack_lvl+0x34/0x48
 dump_stack_lvl from wilc_parse_join_bss_param+0x7dc/0x7f4
 wilc_parse_join_bss_param from connect+0x2c4/0x648
 connect from cfg80211_connect+0x30c/0xb74
 cfg80211_connect from nl80211_connect+0x860/0xa94
 nl80211_connect from genl_rcv_msg+0x3fc/0x59c
 genl_rcv_msg from netlink_rcv_skb+0xd0/0x1f8
 netlink_rcv_skb from genl_rcv+0x2c/0x3c
 genl_rcv from netlink_unicast+0x3b0/0x550
 netlink_unicast from netlink_sendmsg+0x368/0x688
 netlink_sendmsg from ____sys_sendmsg+0x190/0x430
 ____sys_sendmsg from ___sys_sendmsg+0x110/0x158
 ___sys_sendmsg from sys_sendmsg+0xe8/0x150
 sys_sendmsg from ret_fast_syscall+0x0/0x1c

This warning is emitted because in the connect path, when trying to parse
target BSS parameters, we dereference a RCU pointer whithout being in RCU
critical section.
Fix RCU dereference usage by moving it to a RCU read critical section. To
avoid wrapping the whole wilc_parse_join_bss_param under the critical
section, just use the critical section to copy ies data

Fixes: c460495ee072 ("staging: wilc1000: fix incorrent type in initializer")
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240105075733.36331-3-alexis.lothore@bootlin.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/microchip/wilc1000/hif.c | 36 ++++++++++++-------
 1 file changed, 24 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c b/drivers/net/wireless/microchip/wilc1000/hif.c
index edd51592a82da..fe95a6201a679 100644
--- a/drivers/net/wireless/microchip/wilc1000/hif.c
+++ b/drivers/net/wireless/microchip/wilc1000/hif.c
@@ -359,38 +359,49 @@ static void handle_connect_timeout(struct work_struct *work)
 void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
 				struct cfg80211_crypto_settings *crypto)
 {
-	const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies);
-	const u8 *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
+	const u8 *ies_data, *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
 	const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
 	struct ieee80211_p2p_noa_attr noa_attr;
+	const struct cfg80211_bss_ies *ies;
 	struct wilc_join_bss_param *param;
-	u8 rates_len = 0;
+	u8 rates_len = 0, ies_len;
 	int ret;
 
 	param = kzalloc(sizeof(*param), GFP_KERNEL);
 	if (!param)
 		return NULL;
 
+	rcu_read_lock();
+	ies = rcu_dereference(bss->ies);
+	ies_data = kmemdup(ies->data, ies->len, GFP_ATOMIC);
+	if (!ies_data) {
+		rcu_read_unlock();
+		kfree(param);
+		return NULL;
+	}
+	ies_len = ies->len;
+	rcu_read_unlock();
+
 	param->beacon_period = cpu_to_le16(bss->beacon_interval);
 	param->cap_info = cpu_to_le16(bss->capability);
 	param->bss_type = WILC_FW_BSS_TYPE_INFRA;
 	param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
 	ether_addr_copy(param->bssid, bss->bssid);
 
-	ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies->data, ies->len);
+	ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies_data, ies_len);
 	if (ssid_elm) {
 		if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN)
 			memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]);
 	}
 
-	tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
+	tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies_data, ies_len);
 	if (tim_elm && tim_elm[1] >= 2)
 		param->dtim_period = tim_elm[3];
 
 	memset(param->p_suites, 0xFF, 3);
 	memset(param->akm_suites, 0xFF, 3);
 
-	rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies->data, ies->len);
+	rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies_data, ies_len);
 	if (rates_ie) {
 		rates_len = rates_ie[1];
 		if (rates_len > WILC_MAX_RATES_SUPPORTED)
@@ -401,7 +412,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
 
 	if (rates_len < WILC_MAX_RATES_SUPPORTED) {
 		supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
-						 ies->data, ies->len);
+						 ies_data, ies_len);
 		if (supp_rates_ie) {
 			u8 ext_rates = supp_rates_ie[1];
 
@@ -416,11 +427,11 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
 		}
 	}
 
-	ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies->data, ies->len);
+	ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies_data, ies_len);
 	if (ht_ie)
 		param->ht_capable = true;
 
-	ret = cfg80211_get_p2p_attr(ies->data, ies->len,
+	ret = cfg80211_get_p2p_attr(ies_data, ies_len,
 				    IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
 				    (u8 *)&noa_attr, sizeof(noa_attr));
 	if (ret > 0) {
@@ -444,7 +455,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
 	}
 	wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 					 WLAN_OUI_TYPE_MICROSOFT_WMM,
-					 ies->data, ies->len);
+					 ies_data, ies_len);
 	if (wmm_ie) {
 		struct ieee80211_wmm_param_ie *ie;
 
@@ -459,13 +470,13 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
 
 	wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 					 WLAN_OUI_TYPE_MICROSOFT_WPA,
-					 ies->data, ies->len);
+					 ies_data, ies_len);
 	if (wpa_ie) {
 		param->mode_802_11i = 1;
 		param->rsn_found = true;
 	}
 
-	rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies->data, ies->len);
+	rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies_data, ies_len);
 	if (rsn_ie) {
 		int rsn_ie_len = sizeof(struct element) + rsn_ie[1];
 		int offset = 8;
@@ -499,6 +510,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
 			param->akm_suites[i] = crypto->akm_suites[i] & 0xFF;
 	}
 
+	kfree(ies_data);
 	return (void *)param;
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 057/317] wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (55 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 056/317] wifi: wilc1000: fix RCU usage in connect path Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 058/317] wifi: wilc1000: fix multi-vif management when deleting a vif Sasha Levin
                   ` (262 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Martin Kaistra, Ping-Ke Shih, Kalle Valo, Sasha Levin

From: Martin Kaistra <martin.kaistra@linutronix.de>

[ Upstream commit 1213acb478a7181cd73eeaf00db430f1e45b1361 ]

The workqueue might still be running, when the driver is stopped. To
avoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop().

Fixes: e542e66b7c2e ("rtl8xxxu: add bluetooth co-existence support for single antenna")
Signed-off-by: Martin Kaistra <martin.kaistra@linutronix.de>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240111163628.320697-2-martin.kaistra@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index 30d9a195c6fb5..3536b9f8470f4 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -6484,6 +6484,7 @@ static void rtl8xxxu_stop(struct ieee80211_hw *hw)
 	if (priv->usb_interrupts)
 		rtl8xxxu_write32(priv, REG_USB_HIMR, 0);
 
+	cancel_work_sync(&priv->c2hcmd_work);
 	cancel_delayed_work_sync(&priv->ra_watchdog);
 
 	rtl8xxxu_free_rx_resources(priv);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 058/317] wifi: wilc1000: fix multi-vif management when deleting a vif
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (56 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 057/317] wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 059/317] wifi: mwifiex: debugfs: Drop unnecessary error check for debugfs_create_dir() Sasha Levin
                   ` (261 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ajay Singh, Alexis Lothoré, Kalle Valo, Sasha Levin

From: Ajay Singh <ajay.kathat@microchip.com>

[ Upstream commit 12cfc9c8d3faf887a202c89bc312202445fca7e8 ]

Adding then removing a second vif currently makes the first vif not working
anymore. This is visible for example when we have a first interface
connected to some access point:
- create a wpa_supplicant.conf with some AP credentials
- wpa_supplicant -Dnl80211 -c /etc/wpa_supplicant.conf -i wlan0
- dhclient wlan0
- iw phy phy0 interface add wlan1 type managed
- iw dev wlan1 del
wlan0 does not manage properly traffic anymore (eg: ping not working)

This is due to vif mode being incorrectly reconfigured with some default
values in del_virtual_intf, affecting by default first vif.

Prevent first vif from being affected on second vif removal by removing vif
mode change command in del_virtual_intf

Fixes: 9bc061e88054 ("staging: wilc1000: added support to dynamically add/remove interfaces")
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Co-developed-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240115-wilc_1000_fixes-v1-5-54d29463a738@bootlin.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/microchip/wilc1000/cfg80211.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c
index 1688144d78475..0f48204e6e0e4 100644
--- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c
+++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c
@@ -1562,7 +1562,6 @@ static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
 	cfg80211_unregister_netdevice(vif->ndev);
 	vif->monitor_flag = 0;
 
-	wilc_set_operation_mode(vif, 0, 0, 0);
 	mutex_lock(&wl->vif_mutex);
 	list_del_rcu(&vif->list);
 	wl->vif_num--;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 059/317] wifi: mwifiex: debugfs: Drop unnecessary error check for debugfs_create_dir()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (57 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 058/317] wifi: wilc1000: fix multi-vif management when deleting a vif Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 060/317] ARM: dts: renesas: r8a73a4: Fix external clocks and clock rate Sasha Levin
                   ` (260 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jinjie Ruan, Russell King, Kalle Valo, Sasha Levin

From: Jinjie Ruan <ruanjinjie@huawei.com>

[ Upstream commit 50180c7f8e3de7c2d87f619131776598fcb1478d ]

debugfs_create_dir() returns ERR_PTR and never return NULL.

As Russell suggested, this patch removes the error checking for
debugfs_create_dir(). This is because the DebugFS kernel API is developed
in a way that the caller can safely ignore the errors that occur during
the creation of DebugFS nodes. The debugfs APIs have a IS_ERR() judge in
start_creating() which can handle it gracefully. So these checks are
unnecessary.

Fixes: 5e6e3a92b9a4 ("wireless: mwifiex: initial commit for Marvell mwifiex driver")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Suggested-by: Russell King (Oracle) <linux@armlinux.org.uk>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20230903030216.1509013-3-ruanjinjie@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/marvell/mwifiex/debugfs.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/debugfs.c b/drivers/net/wireless/marvell/mwifiex/debugfs.c
index 1e7dc724c6a94..d48a3e0b36060 100644
--- a/drivers/net/wireless/marvell/mwifiex/debugfs.c
+++ b/drivers/net/wireless/marvell/mwifiex/debugfs.c
@@ -976,9 +976,6 @@ mwifiex_dev_debugfs_init(struct mwifiex_private *priv)
 	priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name,
 					       mwifiex_dfs_dir);
 
-	if (!priv->dfs_dev_dir)
-		return;
-
 	MWIFIEX_DFS_ADD_FILE(info);
 	MWIFIEX_DFS_ADD_FILE(debug);
 	MWIFIEX_DFS_ADD_FILE(getlog);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 060/317] ARM: dts: renesas: r8a73a4: Fix external clocks and clock rate
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (58 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 059/317] wifi: mwifiex: debugfs: Drop unnecessary error check for debugfs_create_dir() Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 061/317] cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value Sasha Levin
                   ` (259 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Geert Uytterhoeven, Niklas Söderlund, Sasha Levin

From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit 090c4094574705b0afc7d37825cdc5d06f0e7e02 ]

External clocks should be defined as zero-Hz clocks in the SoC .dtsi,
and overridden in the board .dts when present.

Correct the clock rate of extal1 from 25 to 26 MHz, to match the crystal
oscillator present on the APE6-EVM board.

Fixes: a76809a329d6ebae ("ARM: shmobile: r8a73a4: Common clock framework DT description")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/1692bc8cd465d62168cbf110522ad62a7af3f606.1705315614.git.geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/r8a73a4-ape6evm.dts | 12 ++++++++++++
 arch/arm/boot/dts/r8a73a4.dtsi        |  9 ++++++---
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm.dts b/arch/arm/boot/dts/r8a73a4-ape6evm.dts
index b088e8e351d54..1028f721b38b0 100644
--- a/arch/arm/boot/dts/r8a73a4-ape6evm.dts
+++ b/arch/arm/boot/dts/r8a73a4-ape6evm.dts
@@ -208,6 +208,18 @@ &cmt1 {
 	status = "okay";
 };
 
+&extal1_clk {
+	clock-frequency = <26000000>;
+};
+
+&extal2_clk {
+	clock-frequency = <48000000>;
+};
+
+&extalr_clk {
+	clock-frequency = <32768>;
+};
+
 &pfc {
 	scifa0_pins: scifa0 {
 		groups = "scifa0_data";
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index c39066967053f..d1f4cbd099efb 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -450,17 +450,20 @@ clocks {
 		extalr_clk: extalr {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
-			clock-frequency = <32768>;
+			/* This value must be overridden by the board. */
+			clock-frequency = <0>;
 		};
 		extal1_clk: extal1 {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
-			clock-frequency = <25000000>;
+			/* This value must be overridden by the board. */
+			clock-frequency = <0>;
 		};
 		extal2_clk: extal2 {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
-			clock-frequency = <48000000>;
+			/* This value must be overridden by the board. */
+			clock-frequency = <0>;
 		};
 		fsiack_clk: fsiack {
 			compatible = "fixed-clock";
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 061/317] cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (59 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 060/317] ARM: dts: renesas: r8a73a4: Fix external clocks and clock rate Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 062/317] cpufreq: Explicitly include correct DT includes Sasha Levin
                   ` (258 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Anastasia Belova, Viresh Kumar, Sasha Levin

From: Anastasia Belova <abelova@astralinux.ru>

[ Upstream commit f661017e6d326ee187db24194cabb013d81bc2a6 ]

cpufreq_cpu_get may return NULL. To avoid NULL-dereference check it
and return 0 in case of error.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: de322e085995 ("cpufreq: brcmstb-avs-cpufreq: AVS CPUfreq driver for Broadcom STB SoCs")
Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/cpufreq/brcmstb-avs-cpufreq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/cpufreq/brcmstb-avs-cpufreq.c b/drivers/cpufreq/brcmstb-avs-cpufreq.c
index f644c5e325fb2..38ec0fedb247f 100644
--- a/drivers/cpufreq/brcmstb-avs-cpufreq.c
+++ b/drivers/cpufreq/brcmstb-avs-cpufreq.c
@@ -481,6 +481,8 @@ static bool brcm_avs_is_firmware_loaded(struct private_data *priv)
 static unsigned int brcm_avs_cpufreq_get(unsigned int cpu)
 {
 	struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
+	if (!policy)
+		return 0;
 	struct private_data *priv = policy->driver_data;
 
 	cpufreq_cpu_put(policy);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 062/317] cpufreq: Explicitly include correct DT includes
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (60 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 061/317] cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 063/317] cpufreq: mediatek-hw: Wait for CPU supplies before probing Sasha Levin
                   ` (257 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Rob Herring, Rafael J . Wysocki, Viresh Kumar, Sasha Levin

From: Rob Herring <robh@kernel.org>

[ Upstream commit a70eb93a2477371638ef481aaae7bb7b760d3004 ]

The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Stable-dep-of: 788715b5f21c ("cpufreq: mediatek-hw: Wait for CPU supplies before probing")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/cpufreq/armada-37xx-cpufreq.c  | 4 +---
 drivers/cpufreq/mediatek-cpufreq-hw.c  | 3 ++-
 drivers/cpufreq/ppc_cbe_cpufreq.c      | 2 +-
 drivers/cpufreq/ppc_cbe_cpufreq_pmi.c  | 1 -
 drivers/cpufreq/qcom-cpufreq-nvmem.c   | 1 -
 drivers/cpufreq/scpi-cpufreq.c         | 2 +-
 drivers/cpufreq/sti-cpufreq.c          | 2 +-
 drivers/cpufreq/ti-cpufreq.c           | 2 +-
 drivers/cpufreq/vexpress-spc-cpufreq.c | 1 -
 9 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/drivers/cpufreq/armada-37xx-cpufreq.c b/drivers/cpufreq/armada-37xx-cpufreq.c
index b74289a95a171..bea41ccabf1f0 100644
--- a/drivers/cpufreq/armada-37xx-cpufreq.c
+++ b/drivers/cpufreq/armada-37xx-cpufreq.c
@@ -14,10 +14,8 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/mfd/syscon.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
-#include <linux/of_irq.h>
 #include <linux/platform_device.h>
 #include <linux/pm_opp.h>
 #include <linux/regmap.h>
diff --git a/drivers/cpufreq/mediatek-cpufreq-hw.c b/drivers/cpufreq/mediatek-cpufreq-hw.c
index 0cf18dd46b923..8a4e52b22eed7 100644
--- a/drivers/cpufreq/mediatek-cpufreq-hw.c
+++ b/drivers/cpufreq/mediatek-cpufreq-hw.c
@@ -10,8 +10,9 @@
 #include <linux/iopoll.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/of_address.h>
+#include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/platform_device.h>
 #include <linux/slab.h>
 
 #define LUT_MAX_ENTRIES			32U
diff --git a/drivers/cpufreq/ppc_cbe_cpufreq.c b/drivers/cpufreq/ppc_cbe_cpufreq.c
index c58abb4cca3a2..acaa8db57812d 100644
--- a/drivers/cpufreq/ppc_cbe_cpufreq.c
+++ b/drivers/cpufreq/ppc_cbe_cpufreq.c
@@ -9,7 +9,7 @@
 
 #include <linux/cpufreq.h>
 #include <linux/module.h>
-#include <linux/of_platform.h>
+#include <linux/of.h>
 
 #include <asm/machdep.h>
 #include <asm/prom.h>
diff --git a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c
index 037fe23bc6ed0..e85fa0f41991c 100644
--- a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c
+++ b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c
@@ -11,7 +11,6 @@
 #include <linux/types.h>
 #include <linux/timer.h>
 #include <linux/init.h>
-#include <linux/of_platform.h>
 #include <linux/pm_qos.h>
 
 #include <asm/processor.h>
diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
index 6e011e8bfb6a9..63fc879e23096 100644
--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -22,7 +22,6 @@
 #include <linux/module.h>
 #include <linux/nvmem-consumer.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/pm_domain.h>
 #include <linux/pm_opp.h>
diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c
index bda3e7d429647..763692e327b18 100644
--- a/drivers/cpufreq/scpi-cpufreq.c
+++ b/drivers/cpufreq/scpi-cpufreq.c
@@ -22,7 +22,7 @@
 #include <linux/cpumask.h>
 #include <linux/export.h>
 #include <linux/module.h>
-#include <linux/of_platform.h>
+#include <linux/platform_device.h>
 #include <linux/pm_opp.h>
 #include <linux/scpi_protocol.h>
 #include <linux/slab.h>
diff --git a/drivers/cpufreq/sti-cpufreq.c b/drivers/cpufreq/sti-cpufreq.c
index fdb0a722d8812..f1cde44670689 100644
--- a/drivers/cpufreq/sti-cpufreq.c
+++ b/drivers/cpufreq/sti-cpufreq.c
@@ -13,7 +13,7 @@
 #include <linux/mfd/syscon.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/of_platform.h>
+#include <linux/platform_device.h>
 #include <linux/pm_opp.h>
 #include <linux/regmap.h>
 
diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c
index 8f9fdd864391a..88bffa0bd0139 100644
--- a/drivers/cpufreq/ti-cpufreq.c
+++ b/drivers/cpufreq/ti-cpufreq.c
@@ -12,7 +12,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/of.h>
-#include <linux/of_platform.h>
+#include <linux/platform_device.h>
 #include <linux/pm_opp.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
diff --git a/drivers/cpufreq/vexpress-spc-cpufreq.c b/drivers/cpufreq/vexpress-spc-cpufreq.c
index d295f405c4bb0..865e501648034 100644
--- a/drivers/cpufreq/vexpress-spc-cpufreq.c
+++ b/drivers/cpufreq/vexpress-spc-cpufreq.c
@@ -18,7 +18,6 @@
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
-#include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/pm_opp.h>
 #include <linux/slab.h>
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 063/317] cpufreq: mediatek-hw: Wait for CPU supplies before probing
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (61 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 062/317] cpufreq: Explicitly include correct DT includes Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 064/317] sock_diag: annotate data-races around sock_diag_handlers[family] Sasha Levin
                   ` (256 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nícolas F. R. A. Prado, AngeloGioacchino Del Regno,
	Matthias Brugger, Viresh Kumar, Sasha Levin

From: Nícolas F. R. A. Prado <nfraprado@collabora.com>

[ Upstream commit 788715b5f21c6455264fe00a1779e61bec407fe2 ]

Before proceeding with the probe and enabling frequency scaling for the
CPUs, make sure that all supplies feeding the CPUs have probed.

This fixes an issue observed on MT8195-Tomato where if the
mediatek-cpufreq-hw driver enabled the hardware (by writing to
REG_FREQ_ENABLE) before the SPMI controller driver (spmi-mtk-pmif),
behind which lies the big CPU supply, probed the platform would hang
shortly after with "rcu: INFO: rcu_preempt detected stalls on
CPUs/tasks" being printed in the log.

Fixes: 4855e26bcf4d ("cpufreq: mediatek-hw: Add support for CPUFREQ HW")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/cpufreq/mediatek-cpufreq-hw.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/mediatek-cpufreq-hw.c b/drivers/cpufreq/mediatek-cpufreq-hw.c
index 8a4e52b22eed7..4a7478a91fb61 100644
--- a/drivers/cpufreq/mediatek-cpufreq-hw.c
+++ b/drivers/cpufreq/mediatek-cpufreq-hw.c
@@ -13,6 +13,7 @@
 #include <linux/of.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 
 #define LUT_MAX_ENTRIES			32U
@@ -268,7 +269,23 @@ static struct cpufreq_driver cpufreq_mtk_hw_driver = {
 static int mtk_cpufreq_hw_driver_probe(struct platform_device *pdev)
 {
 	const void *data;
-	int ret;
+	int ret, cpu;
+	struct device *cpu_dev;
+	struct regulator *cpu_reg;
+
+	/* Make sure that all CPU supplies are available before proceeding. */
+	for_each_possible_cpu(cpu) {
+		cpu_dev = get_cpu_device(cpu);
+		if (!cpu_dev)
+			return dev_err_probe(&pdev->dev, -EPROBE_DEFER,
+					     "Failed to get cpu%d device\n", cpu);
+
+		cpu_reg = devm_regulator_get_optional(cpu_dev, "cpu");
+		if (IS_ERR(cpu_reg))
+			return dev_err_probe(&pdev->dev, PTR_ERR(cpu_reg),
+					     "CPU%d regulator get failed\n", cpu);
+	}
+
 
 	data = of_device_get_match_data(&pdev->dev);
 	if (!data)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 064/317] sock_diag: annotate data-races around sock_diag_handlers[family]
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (62 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 063/317] cpufreq: mediatek-hw: Wait for CPU supplies before probing Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 065/317] inet_diag: annotate data-races around inet_diag_table[] Sasha Levin
                   ` (255 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Eric Dumazet, Guillaume Nault, Kuniyuki Iwashima,
	Willem de Bruijn, Paolo Abeni, Sasha Levin

From: Eric Dumazet <edumazet@google.com>

[ Upstream commit efd402537673f9951992aea4ef0f5ff51d858f4b ]

__sock_diag_cmd() and sock_diag_bind() read sock_diag_handlers[family]
without a lock held.

Use READ_ONCE()/WRITE_ONCE() annotations to avoid potential issues.

Fixes: 8ef874bfc729 ("sock_diag: Move the sock_ code to net/core/")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/sock_diag.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index c9c45b935f990..bce65b519ee80 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -189,7 +189,7 @@ int sock_diag_register(const struct sock_diag_handler *hndl)
 	if (sock_diag_handlers[hndl->family])
 		err = -EBUSY;
 	else
-		sock_diag_handlers[hndl->family] = hndl;
+		WRITE_ONCE(sock_diag_handlers[hndl->family], hndl);
 	mutex_unlock(&sock_diag_table_mutex);
 
 	return err;
@@ -205,7 +205,7 @@ void sock_diag_unregister(const struct sock_diag_handler *hnld)
 
 	mutex_lock(&sock_diag_table_mutex);
 	BUG_ON(sock_diag_handlers[family] != hnld);
-	sock_diag_handlers[family] = NULL;
+	WRITE_ONCE(sock_diag_handlers[family], NULL);
 	mutex_unlock(&sock_diag_table_mutex);
 }
 EXPORT_SYMBOL_GPL(sock_diag_unregister);
@@ -223,7 +223,7 @@ static int __sock_diag_cmd(struct sk_buff *skb, struct nlmsghdr *nlh)
 		return -EINVAL;
 	req->sdiag_family = array_index_nospec(req->sdiag_family, AF_MAX);
 
-	if (sock_diag_handlers[req->sdiag_family] == NULL)
+	if (READ_ONCE(sock_diag_handlers[req->sdiag_family]) == NULL)
 		sock_load_diag_module(req->sdiag_family, 0);
 
 	mutex_lock(&sock_diag_table_mutex);
@@ -282,12 +282,12 @@ static int sock_diag_bind(struct net *net, int group)
 	switch (group) {
 	case SKNLGRP_INET_TCP_DESTROY:
 	case SKNLGRP_INET_UDP_DESTROY:
-		if (!sock_diag_handlers[AF_INET])
+		if (!READ_ONCE(sock_diag_handlers[AF_INET]))
 			sock_load_diag_module(AF_INET, 0);
 		break;
 	case SKNLGRP_INET6_TCP_DESTROY:
 	case SKNLGRP_INET6_UDP_DESTROY:
-		if (!sock_diag_handlers[AF_INET6])
+		if (!READ_ONCE(sock_diag_handlers[AF_INET6]))
 			sock_load_diag_module(AF_INET6, 0);
 		break;
 	}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 065/317] inet_diag: annotate data-races around inet_diag_table[]
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (63 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 064/317] sock_diag: annotate data-races around sock_diag_handlers[family] Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 066/317] bpftool: Silence build warning about calloc() Sasha Levin
                   ` (254 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Eric Dumazet, Guillaume Nault, Kuniyuki Iwashima,
	Willem de Bruijn, Paolo Abeni, Sasha Levin

From: Eric Dumazet <edumazet@google.com>

[ Upstream commit e50e10ae5d81ddb41547114bfdc5edc04422f082 ]

inet_diag_lock_handler() reads inet_diag_table[proto] locklessly.

Use READ_ONCE()/WRITE_ONCE() annotations to avoid potential issues.

Fixes: d523a328fb02 ("[INET]: Fix inet_diag dead-lock regression")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv4/inet_diag.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 09cabed358fd0..3aeba9e2b22cd 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -57,7 +57,7 @@ static const struct inet_diag_handler *inet_diag_lock_handler(int proto)
 		return ERR_PTR(-ENOENT);
 	}
 
-	if (!inet_diag_table[proto])
+	if (!READ_ONCE(inet_diag_table[proto]))
 		sock_load_diag_module(AF_INET, proto);
 
 	mutex_lock(&inet_diag_table_mutex);
@@ -1419,7 +1419,7 @@ int inet_diag_register(const struct inet_diag_handler *h)
 	mutex_lock(&inet_diag_table_mutex);
 	err = -EEXIST;
 	if (!inet_diag_table[type]) {
-		inet_diag_table[type] = h;
+		WRITE_ONCE(inet_diag_table[type], h);
 		err = 0;
 	}
 	mutex_unlock(&inet_diag_table_mutex);
@@ -1436,7 +1436,7 @@ void inet_diag_unregister(const struct inet_diag_handler *h)
 		return;
 
 	mutex_lock(&inet_diag_table_mutex);
-	inet_diag_table[type] = NULL;
+	WRITE_ONCE(inet_diag_table[type], NULL);
 	mutex_unlock(&inet_diag_table_mutex);
 }
 EXPORT_SYMBOL_GPL(inet_diag_unregister);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 066/317] bpftool: Silence build warning about calloc()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (64 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 065/317] inet_diag: annotate data-races around inet_diag_table[] Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 067/317] libbpf: Apply map_set_def_max_entries() for inner_maps on creation Sasha Levin
                   ` (253 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Tiezhu Yang, Daniel Borkmann, Quentin Monnet, Alexei Starovoitov,
	Sasha Levin

From: Tiezhu Yang <yangtiezhu@loongson.cn>

[ Upstream commit f5f30386c78105cba520e443a6a9ee945ec1d066 ]

There exists the following warning when building bpftool:

  CC      prog.o
prog.c: In function ‘profile_open_perf_events’:
prog.c:2301:24: warning: ‘calloc’ sizes specified with ‘sizeof’ in the earlier argument and not in the later argument [-Wcalloc-transposed-args]
 2301 |                 sizeof(int), obj->rodata->num_cpu * obj->rodata->num_metric);
      |                        ^~~
prog.c:2301:24: note: earlier argument should specify number of elements, later size of each element

Tested with the latest upstream GCC which contains a new warning option
-Wcalloc-transposed-args. The first argument to calloc is documented to
be number of elements in array, while the second argument is size of each
element, just switch the first and second arguments of calloc() to silence
the build warning, compile tested only.

Fixes: 47c09d6a9f67 ("bpftool: Introduce "prog profile" command")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20240116061920.31172-1-yangtiezhu@loongson.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/bpf/bpftool/prog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index bdd4d3b12f6c0..afb28fcc66786 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -2098,7 +2098,7 @@ static int profile_open_perf_events(struct profiler_bpf *obj)
 	int map_fd;
 
 	profile_perf_events = calloc(
-		sizeof(int), obj->rodata->num_cpu * obj->rodata->num_metric);
+		obj->rodata->num_cpu * obj->rodata->num_metric, sizeof(int));
 	if (!profile_perf_events) {
 		p_err("failed to allocate memory for perf_event array: %s",
 		      strerror(errno));
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 067/317] libbpf: Apply map_set_def_max_entries() for inner_maps on creation
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (65 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 066/317] bpftool: Silence build warning about calloc() Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 068/317] selftest/bpf: Add map_in_maps with BPF_MAP_TYPE_PERF_EVENT_ARRAY values Sasha Levin
                   ` (252 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Andrey Grafin, Andrii Nakryiko, Yonghong Song, Hou Tao,
	Alexei Starovoitov, Sasha Levin

From: Andrey Grafin <conquistador@yandex-team.ru>

[ Upstream commit f04deb90e516e8e48bf8693397529bc942a9e80b ]

This patch allows to auto create BPF_MAP_TYPE_ARRAY_OF_MAPS and
BPF_MAP_TYPE_HASH_OF_MAPS with values of BPF_MAP_TYPE_PERF_EVENT_ARRAY
by bpf_object__load().

Previous behaviour created a zero filled btf_map_def for inner maps and
tried to use it for a map creation but the linux kernel forbids to create
a BPF_MAP_TYPE_PERF_EVENT_ARRAY map with max_entries=0.

Fixes: 646f02ffdd49 ("libbpf: Add BTF-defined map-in-map support")
Signed-off-by: Andrey Grafin <conquistador@yandex-team.ru>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Acked-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/bpf/20240117130619.9403-1-conquistador@yandex-team.ru
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/lib/bpf/libbpf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 0c201f07d8aef..e45f831a12c2b 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -71,6 +71,7 @@
 
 static struct bpf_map *bpf_object__add_map(struct bpf_object *obj);
 static bool prog_is_subprog(const struct bpf_object *obj, const struct bpf_program *prog);
+static int map_set_def_max_entries(struct bpf_map *map);
 
 static int __base_pr(enum libbpf_print_level level, const char *format,
 		     va_list args)
@@ -4617,6 +4618,9 @@ static int bpf_object__create_map(struct bpf_object *obj, struct bpf_map *map, b
 
 	if (bpf_map_type__is_map_in_map(def->type)) {
 		if (map->inner_map) {
+			err = map_set_def_max_entries(map->inner_map);
+			if (err)
+				return err;
 			err = bpf_object__create_map(obj, map->inner_map, true);
 			if (err) {
 				pr_warn("map '%s': failed to create inner map: %d\n",
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 068/317] selftest/bpf: Add map_in_maps with BPF_MAP_TYPE_PERF_EVENT_ARRAY values
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (66 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 067/317] libbpf: Apply map_set_def_max_entries() for inner_maps on creation Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 069/317] af_unix: Annotate data-race of gc_in_progress in wait_for_unix_gc() Sasha Levin
                   ` (251 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Andrey Grafin, Andrii Nakryiko, Yonghong Song, Hou Tao,
	Alexei Starovoitov, Sasha Levin

From: Andrey Grafin <conquistador@yandex-team.ru>

[ Upstream commit 40628f9fff73adecac77a9aa390f8016724cad99 ]

Check that bpf_object__load() successfully creates map_in_maps
with BPF_MAP_TYPE_PERF_EVENT_ARRAY values.
These changes cover fix in the previous patch
"libbpf: Apply map_set_def_max_entries() for inner_maps on creation".

A command line output is:
- w/o fix
$ sudo ./test_maps
libbpf: map 'mim_array_pe': failed to create inner map: -22
libbpf: map 'mim_array_pe': failed to create: Invalid argument(-22)
libbpf: failed to load object './test_map_in_map.bpf.o'
Failed to load test prog

- with fix
$ sudo ./test_maps
...
test_maps: OK, 0 SKIPPED

Fixes: 646f02ffdd49 ("libbpf: Add BTF-defined map-in-map support")
Signed-off-by: Andrey Grafin <conquistador@yandex-team.ru>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Acked-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/bpf/20240117130619.9403-2-conquistador@yandex-team.ru
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../selftests/bpf/progs/test_map_in_map.c     | 26 +++++++++++++++++++
 tools/testing/selftests/bpf/test_maps.c       |  6 ++++-
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/progs/test_map_in_map.c b/tools/testing/selftests/bpf/progs/test_map_in_map.c
index 5f0e0bfc151e5..8a52bc56568d6 100644
--- a/tools/testing/selftests/bpf/progs/test_map_in_map.c
+++ b/tools/testing/selftests/bpf/progs/test_map_in_map.c
@@ -23,6 +23,32 @@ struct {
 	__uint(value_size, sizeof(__u32));
 } mim_hash SEC(".maps");
 
+/* The following three maps are used to test
+ * perf_event_array map can be an inner
+ * map of hash/array_of_maps.
+ */
+struct perf_event_array {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__type(key, __u32);
+	__type(value, __u32);
+} inner_map0 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__array(values, struct perf_event_array);
+} mim_array_pe SEC(".maps") = {
+	.values = {&inner_map0}};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__array(values, struct perf_event_array);
+} mim_hash_pe SEC(".maps") = {
+	.values = {&inner_map0}};
+
 SEC("xdp")
 int xdp_mimtest0(struct xdp_md *ctx)
 {
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index c7a36a9378f8c..a72cc78706eaf 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -1196,7 +1196,11 @@ static void test_map_in_map(void)
 		goto out_map_in_map;
 	}
 
-	bpf_object__load(obj);
+	err = bpf_object__load(obj);
+	if (err) {
+		printf("Failed to load test prog\n");
+		goto out_map_in_map;
+	}
 
 	map = bpf_object__find_map_by_name(obj, "mim_array");
 	if (!map) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 069/317] af_unix: Annotate data-race of gc_in_progress in wait_for_unix_gc().
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (67 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 068/317] selftest/bpf: Add map_in_maps with BPF_MAP_TYPE_PERF_EVENT_ARRAY values Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 070/317] cpufreq: mediatek-hw: Don't error out if supply is not found Sasha Levin
                   ` (250 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kuniyuki Iwashima, Jakub Kicinski, Sasha Levin

From: Kuniyuki Iwashima <kuniyu@amazon.com>

[ Upstream commit 31e03207119a535d0b0e3b3a7f91983aeb2cb14d ]

gc_in_progress is changed under spin_lock(&unix_gc_lock),
but wait_for_unix_gc() reads it locklessly.

Let's use READ_ONCE().

Fixes: 5f23b734963e ("net: Fix soft lockups/OOM issues w/ unix garbage collector")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240123170856.41348-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/unix/garbage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index ab2c83d58b62a..9bfffe2a7f020 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -198,7 +198,7 @@ void wait_for_unix_gc(void)
 	if (READ_ONCE(unix_tot_inflight) > UNIX_INFLIGHT_TRIGGER_GC &&
 	    !READ_ONCE(gc_in_progress))
 		unix_gc();
-	wait_event(unix_gc_wait, gc_in_progress == false);
+	wait_event(unix_gc_wait, !READ_ONCE(gc_in_progress));
 }
 
 /* The external entry point: unix_gc() */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 070/317] cpufreq: mediatek-hw: Don't error out if supply is not found
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (68 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 069/317] af_unix: Annotate data-race of gc_in_progress in wait_for_unix_gc() Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 071/317] arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on SL/BL i.MX8MM Sasha Levin
                   ` (249 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nícolas F. R. A. Prado, kernelci . org bot,
	AngeloGioacchino Del Regno, Viresh Kumar, Sasha Levin

From: Nícolas F. R. A. Prado <nfraprado@collabora.com>

[ Upstream commit eaffb10b51bf74415c9252fd8fb4dd77122501ee ]

devm_regulator_get_optional() returns -ENODEV if no supply can be found.
By introducing its usage, commit 788715b5f21c ("cpufreq: mediatek-hw:
Wait for CPU supplies before probing") caused the driver to fail probe
if no supply was present in any of the CPU DT nodes.

Use devm_regulator_get() instead since the CPUs do require supplies
even if not described in the DT. It will gracefully return a dummy
regulator if none is found in the DT node, allowing probe to succeed.

Fixes: 788715b5f21c ("cpufreq: mediatek-hw: Wait for CPU supplies before probing")
Reported-by: kernelci.org bot <bot@kernelci.org>
Closes: https://linux.kernelci.org/test/case/id/65b0b169710edea22852a3fa/
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/cpufreq/mediatek-cpufreq-hw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/mediatek-cpufreq-hw.c b/drivers/cpufreq/mediatek-cpufreq-hw.c
index 4a7478a91fb61..314c1cb6e8f4d 100644
--- a/drivers/cpufreq/mediatek-cpufreq-hw.c
+++ b/drivers/cpufreq/mediatek-cpufreq-hw.c
@@ -280,7 +280,7 @@ static int mtk_cpufreq_hw_driver_probe(struct platform_device *pdev)
 			return dev_err_probe(&pdev->dev, -EPROBE_DEFER,
 					     "Failed to get cpu%d device\n", cpu);
 
-		cpu_reg = devm_regulator_get_optional(cpu_dev, "cpu");
+		cpu_reg = devm_regulator_get(cpu_dev, "cpu");
 		if (IS_ERR(cpu_reg))
 			return dev_err_probe(&pdev->dev, PTR_ERR(cpu_reg),
 					     "CPU%d regulator get failed\n", cpu);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 071/317] arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on SL/BL i.MX8MM
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (69 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 070/317] cpufreq: mediatek-hw: Don't error out if supply is not found Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 072/317] arm64: dts: imx8mm-kontron: Disable pullups for onboard UART signals on BL board Sasha Levin
                   ` (248 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Frieder Schrempf, Shawn Guo, Sasha Levin

From: Frieder Schrempf <frieder.schrempf@kontron.de>

[ Upstream commit f19e5bb91d53264d7dac5d845a4825afadf72440 ]

There are external pullup resistors on the board and due to silicon
errata ERR050080 let's disable the internal ones to prevent any
unwanted behavior in case they wear out.

Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards")
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts    | 4 ++--
 arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
index 49d7470812eef..362f9360b4a51 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
@@ -275,8 +275,8 @@ MX8MM_IOMUXC_SAI3_MCLK_GPIO5_IO2		0x19
 
 	pinctrl_i2c4: i2c4grp {
 		fsl,pins = <
-			MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL			0x400001c3
-			MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA			0x400001c3
+			MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL			0x40000083
+			MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA			0x40000083
 		>;
 	};
 
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
index 42bbbb3f532bc..646615ca4b48b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
@@ -220,8 +220,8 @@ MX8MM_IOMUXC_ECSPI1_SS0_GPIO5_IO9		0x19
 
 	pinctrl_i2c1: i2c1grp {
 		fsl,pins = <
-			MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL			0x400001c3
-			MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA			0x400001c3
+			MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL			0x40000083
+			MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA			0x40000083
 		>;
 	};
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 072/317] arm64: dts: imx8mm-kontron: Disable pullups for onboard UART signals on BL board
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (70 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 071/317] arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on SL/BL i.MX8MM Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 073/317] arm64: dts: imx8mm-kontron: Add support for ultra high speed modes on SD card Sasha Levin
                   ` (247 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Frieder Schrempf, Shawn Guo, Sasha Levin

From: Frieder Schrempf <frieder.schrempf@kontron.de>

[ Upstream commit 162aadaa0df8217b0cc49d919dd00022fef65e78 ]

These signals are actively driven by the SoC or by the onboard
transceiver. There's no need to enable the internal pull resistors
and due to silicon errata ERR050080 let's disable the internal ones
to prevent any unwanted behavior in case they wear out.

Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards")
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../dts/freescale/imx8mm-kontron-n801x-s.dts     | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
index 362f9360b4a51..67e768032320a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
@@ -288,19 +288,19 @@ MX8MM_IOMUXC_SPDIF_RX_PWM2_OUT			0x19
 
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
-			MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX		0x140
-			MX8MM_IOMUXC_SAI2_RXFS_UART1_DCE_TX		0x140
-			MX8MM_IOMUXC_SAI2_RXD0_UART1_DCE_RTS_B		0x140
-			MX8MM_IOMUXC_SAI2_TXFS_UART1_DCE_CTS_B		0x140
+			MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX		0x0
+			MX8MM_IOMUXC_SAI2_RXFS_UART1_DCE_TX		0x0
+			MX8MM_IOMUXC_SAI2_RXD0_UART1_DCE_RTS_B		0x0
+			MX8MM_IOMUXC_SAI2_TXFS_UART1_DCE_CTS_B		0x0
 		>;
 	};
 
 	pinctrl_uart2: uart2grp {
 		fsl,pins = <
-			MX8MM_IOMUXC_SAI3_TXFS_UART2_DCE_RX		0x140
-			MX8MM_IOMUXC_SAI3_TXC_UART2_DCE_TX		0x140
-			MX8MM_IOMUXC_SAI3_RXD_UART2_DCE_RTS_B		0x140
-			MX8MM_IOMUXC_SAI3_RXC_UART2_DCE_CTS_B		0x140
+			MX8MM_IOMUXC_SAI3_TXFS_UART2_DCE_RX		0x0
+			MX8MM_IOMUXC_SAI3_TXC_UART2_DCE_TX		0x0
+			MX8MM_IOMUXC_SAI3_RXD_UART2_DCE_RTS_B		0x0
+			MX8MM_IOMUXC_SAI3_RXC_UART2_DCE_CTS_B		0x0
 		>;
 	};
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 073/317] arm64: dts: imx8mm-kontron: Add support for ultra high speed modes on SD card
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (71 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 072/317] arm64: dts: imx8mm-kontron: Disable pullups for onboard UART signals on BL board Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 074/317] arm64: dts: imx8mm-kontron: Use the VSELECT signal to switch SD card IO voltage Sasha Levin
                   ` (246 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Frieder Schrempf, Shawn Guo, Sasha Levin

From: Frieder Schrempf <frieder.schrempf@kontron.de>

[ Upstream commit ec1e91d400bf21def54c441552bdf2976ce36e3b ]

In order to use ultra high speed modes (UHS) on the SD card slot, we
add matching pinctrls and fix the voltage switching for LDO5 of the
PMIC, by providing the SD_VSEL pin as GPIO to the PMIC driver.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Stable-dep-of: 008820524844 ("arm64: dts: imx8mm-kontron: Disable pull resistors for SD card signals on BL board")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../dts/freescale/imx8mm-kontron-n801x-s.dts  | 28 ++++++++++++++++++-
 .../freescale/imx8mm-kontron-n801x-som.dtsi   |  2 ++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
index 67e768032320a..25886622c8c40 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
@@ -191,8 +191,10 @@ usbnet: usbether@1 {
 };
 
 &usdhc2 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc2>;
+	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
 	vmmc-supply = <&reg_vdd_3v3>;
 	vqmmc-supply = <&reg_nvcc_sd>;
 	cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
@@ -321,4 +323,28 @@ MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3		0x1d0
 			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x019
 		>;
 	};
+
+	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+		fsl,pins = <
+			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK			0x194
+			MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD			0x1d4
+			MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0		0x1d4
+			MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1		0x1d4
+			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2		0x1d4
+			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3		0x1d4
+			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x019
+		>;
+	};
+
+	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+		fsl,pins = <
+			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK			0x196
+			MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD			0x1d6
+			MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0		0x1d6
+			MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1		0x1d6
+			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2		0x1d6
+			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3		0x1d6
+			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x019
+		>;
+	};
 };
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
index 646615ca4b48b..1b9fc3a926fcb 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
@@ -86,6 +86,7 @@ pca9450: pmic@25 {
 		pinctrl-0 = <&pinctrl_pmic>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		sd-vsel-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
 
 		regulators {
 			reg_vdd_soc: BUCK1 {
@@ -228,6 +229,7 @@ MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA			0x40000083
 	pinctrl_pmic: pmicgrp {
 		fsl,pins = <
 			MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0		0x141
+			MX8MM_IOMUXC_GPIO1_IO04_GPIO1_IO4		0x141
 		>;
 	};
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 074/317] arm64: dts: imx8mm-kontron: Use the VSELECT signal to switch SD card IO voltage
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (72 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 073/317] arm64: dts: imx8mm-kontron: Add support for ultra high speed modes on SD card Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 075/317] arm64: dts: imx8mm-kontron: Disable pull resistors for SD card signals on BL board Sasha Levin
                   ` (245 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Frieder Schrempf, Heiko Thiery, Shawn Guo, Sasha Levin

From: Frieder Schrempf <frieder.schrempf@kontron.de>

[ Upstream commit eef2c0217e02b6c7ed5b10b82ea944127145e113 ]

It turns out that it is not necessary to declare the VSELECT signal as
GPIO and let the PMIC driver set it to a fixed high level. This switches
the voltage between 3.3V and 1.8V by setting the PMIC register for LDO5
accordingly.

Instead we can do it like other boards already do and simply mux the
VSELECT signal of the USDHC interface to the pin. This makes sure that
the correct voltage is selected by setting the PMIC's SD_VSEL input
to high or low accordingly.

Reported-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Stable-dep-of: 008820524844 ("arm64: dts: imx8mm-kontron: Disable pull resistors for SD card signals on BL board")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts    | 3 +++
 arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 2 --
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
index 25886622c8c40..00dff7c33310c 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
@@ -321,6 +321,7 @@ MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1		0x1d0
 			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2		0x1d0
 			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3		0x1d0
 			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x019
+			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT		0x1d0
 		>;
 	};
 
@@ -333,6 +334,7 @@ MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1		0x1d4
 			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2		0x1d4
 			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3		0x1d4
 			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x019
+			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT		0x1d0
 		>;
 	};
 
@@ -345,6 +347,7 @@ MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1		0x1d6
 			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2		0x1d6
 			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3		0x1d6
 			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x019
+			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT		0x1d0
 		>;
 	};
 };
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
index 1b9fc3a926fcb..646615ca4b48b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
@@ -86,7 +86,6 @@ pca9450: pmic@25 {
 		pinctrl-0 = <&pinctrl_pmic>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
-		sd-vsel-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
 
 		regulators {
 			reg_vdd_soc: BUCK1 {
@@ -229,7 +228,6 @@ MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA			0x40000083
 	pinctrl_pmic: pmicgrp {
 		fsl,pins = <
 			MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0		0x141
-			MX8MM_IOMUXC_GPIO1_IO04_GPIO1_IO4		0x141
 		>;
 	};
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 075/317] arm64: dts: imx8mm-kontron: Disable pull resistors for SD card signals on BL board
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (73 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 074/317] arm64: dts: imx8mm-kontron: Use the VSELECT signal to switch SD card IO voltage Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 076/317] wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete Sasha Levin
                   ` (244 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Frieder Schrempf, Shawn Guo, Sasha Levin

From: Frieder Schrempf <frieder.schrempf@kontron.de>

[ Upstream commit 008820524844326ffb3123cebceba1960c0ad0dc ]

Some signals have external pullup resistors on the board and don't need
the internal ones to be enabled. Due to silicon errata ERR050080 let's
disable the internal pull resistors whererever possible and prevent
any unwanted behavior in case they wear out.

Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards")
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../dts/freescale/imx8mm-kontron-n801x-s.dts   | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
index 00dff7c33310c..134192b749942 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
@@ -314,40 +314,40 @@ MX8MM_IOMUXC_NAND_CE1_B_GPIO3_IO2		0x19
 
 	pinctrl_usdhc2: usdhc2grp {
 		fsl,pins = <
-			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK			0x190
+			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK			0x90
 			MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD			0x1d0
 			MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0		0x1d0
 			MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1		0x1d0
 			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2		0x1d0
 			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3		0x1d0
-			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x019
-			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT		0x1d0
+			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x19
+			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT		0xd0
 		>;
 	};
 
 	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
 		fsl,pins = <
-			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK			0x194
+			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK			0x94
 			MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD			0x1d4
 			MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0		0x1d4
 			MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1		0x1d4
 			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2		0x1d4
 			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3		0x1d4
-			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x019
-			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT		0x1d0
+			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x19
+			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT		0xd0
 		>;
 	};
 
 	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
 		fsl,pins = <
-			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK			0x196
+			MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK			0x96
 			MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD			0x1d6
 			MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0		0x1d6
 			MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1		0x1d6
 			MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2		0x1d6
 			MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3		0x1d6
-			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x019
-			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT		0x1d0
+			MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12		0x19
+			MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT		0xd0
 		>;
 	};
 };
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 076/317] wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (74 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 075/317] arm64: dts: imx8mm-kontron: Disable pull resistors for SD card signals on BL board Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 077/317] wifi: iwlwifi: mvm: report beacon protection failures Sasha Levin
                   ` (243 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Toke Høiland-Jørgensen, Ubisectech Sirius, Kalle Valo,
	Sasha Levin

From: Toke Høiland-Jørgensen <toke@redhat.com>

[ Upstream commit 24355fcb0d4cbcb6ddda262596558e8cfba70f11 ]

The ath9k_wmi_event_tasklet() used in ath9k_htc assumes that all the data
structures have been fully initialised by the time it runs. However, because of
the order in which things are initialised, this is not guaranteed to be the
case, because the device is exposed to the USB subsystem before the ath9k driver
initialisation is completed.

We already committed a partial fix for this in commit:
8b3046abc99e ("ath9k_htc: fix NULL pointer dereference at ath9k_htc_tx_get_packet()")

However, that commit only aborted the WMI_TXSTATUS_EVENTID command in the event
tasklet, pairing it with an "initialisation complete" bit in the TX struct. It
seems syzbot managed to trigger the race for one of the other commands as well,
so let's just move the existing synchronisation bit to cover the whole
tasklet (setting it at the end of ath9k_htc_probe_device() instead of inside
ath9k_tx_init()).

Link: https://lore.kernel.org/r/ed1d2c66-1193-4c81-9542-d514c29ba8b8.bugreport@ubisectech.com
Fixes: 8b3046abc99e ("ath9k_htc: fix NULL pointer dereference at ath9k_htc_tx_get_packet()")
Reported-by: Ubisectech Sirius <bugreport@ubisectech.com>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240126140218.1033443-1-toke@toke.dk
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/ath/ath9k/htc.h          |  2 +-
 drivers/net/wireless/ath/ath9k/htc_drv_init.c |  4 ++++
 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c |  4 ----
 drivers/net/wireless/ath/ath9k/wmi.c          | 10 ++++++----
 4 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 237f4ec2cffd7..6c33e898b3000 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -306,7 +306,6 @@ struct ath9k_htc_tx {
 	DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM);
 	struct timer_list cleanup_timer;
 	spinlock_t tx_lock;
-	bool initialized;
 };
 
 struct ath9k_htc_tx_ctl {
@@ -515,6 +514,7 @@ struct ath9k_htc_priv {
 	unsigned long ps_usecount;
 	bool ps_enabled;
 	bool ps_idle;
+	bool initialized;
 
 #ifdef CONFIG_MAC80211_LEDS
 	enum led_brightness brightness;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 96a3185a96d75..b014185373f34 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -966,6 +966,10 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
 
 	htc_handle->drv_priv = priv;
 
+	/* Allow ath9k_wmi_event_tasklet() to operate. */
+	smp_wmb();
+	priv->initialized = true;
+
 	return 0;
 
 err_init:
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index d6a3f001dacb9..2fdd27885f543 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -815,10 +815,6 @@ int ath9k_tx_init(struct ath9k_htc_priv *priv)
 	skb_queue_head_init(&priv->tx.data_vo_queue);
 	skb_queue_head_init(&priv->tx.tx_failed);
 
-	/* Allow ath9k_wmi_event_tasklet(WMI_TXSTATUS_EVENTID) to operate. */
-	smp_wmb();
-	priv->tx.initialized = true;
-
 	return 0;
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c
index 1476b42b52a91..805ad31edba2b 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/drivers/net/wireless/ath/ath9k/wmi.c
@@ -155,6 +155,12 @@ void ath9k_wmi_event_tasklet(struct tasklet_struct *t)
 		}
 		spin_unlock_irqrestore(&wmi->wmi_lock, flags);
 
+		/* Check if ath9k_htc_probe_device() completed. */
+		if (!data_race(priv->initialized)) {
+			kfree_skb(skb);
+			continue;
+		}
+
 		hdr = (struct wmi_cmd_hdr *) skb->data;
 		cmd_id = be16_to_cpu(hdr->command_id);
 		wmi_event = skb_pull(skb, sizeof(struct wmi_cmd_hdr));
@@ -169,10 +175,6 @@ void ath9k_wmi_event_tasklet(struct tasklet_struct *t)
 					     &wmi->drv_priv->fatal_work);
 			break;
 		case WMI_TXSTATUS_EVENTID:
-			/* Check if ath9k_tx_init() completed. */
-			if (!data_race(priv->tx.initialized))
-				break;
-
 			spin_lock_bh(&priv->tx.tx_lock);
 			if (priv->tx.flags & ATH9K_HTC_OP_TX_DRAIN) {
 				spin_unlock_bh(&priv->tx.tx_lock);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 077/317] wifi: iwlwifi: mvm: report beacon protection failures
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (75 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 076/317] wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 078/317] wifi: iwlwifi: dbg-tlv: ensure NUL termination Sasha Levin
                   ` (242 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Johannes Berg, Andrei Otcheretianski, Gregory Greenman,
	Miri Korenblit, Sasha Levin

From: Johannes Berg <johannes.berg@intel.com>

[ Upstream commit 91380f768d7f6e3d003755defa792e9a00a1444a ]

Andrei reports that we just silently drop beacons after we
report the key counters, but never report to userspace, so
wpa_supplicant cannot send the WNM action frame. Fix that.

Fixes: b1fdc2505abc ("iwlwifi: mvm: advertise BIGTK client support if available")
Reported-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240128084842.7d855442cdce.Iba90b26f893dc8c49bfb8be65373cd0a138af12c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 26 +++++++++++--------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 2e3eb7402197f..e1d0c79212311 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -305,6 +305,7 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
 				u32 status,
 				struct ieee80211_rx_status *stats)
 {
+	struct wireless_dev *wdev;
 	struct iwl_mvm_sta *mvmsta;
 	struct iwl_mvm_vif *mvmvif;
 	u8 keyid;
@@ -326,9 +327,15 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
 	if (!ieee80211_is_beacon(hdr->frame_control))
 		return 0;
 
+	if (!sta)
+		return -1;
+
+	mvmsta = iwl_mvm_sta_from_mac80211(sta);
+	mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
+
 	/* key mismatch - will also report !MIC_OK but we shouldn't count it */
 	if (!(status & IWL_RX_MPDU_STATUS_KEY_VALID))
-		return -1;
+		goto report;
 
 	/* good cases */
 	if (likely(status & IWL_RX_MPDU_STATUS_MIC_OK &&
@@ -337,13 +344,6 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
 		return 0;
 	}
 
-	if (!sta)
-		return -1;
-
-	mvmsta = iwl_mvm_sta_from_mac80211(sta);
-
-	mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
-
 	/*
 	 * both keys will have the same cipher and MIC length, use
 	 * whichever one is available
@@ -352,11 +352,11 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
 	if (!key) {
 		key = rcu_dereference(mvmvif->bcn_prot.keys[1]);
 		if (!key)
-			return -1;
+			goto report;
 	}
 
 	if (len < key->icv_len + IEEE80211_GMAC_PN_LEN + 2)
-		return -1;
+		goto report;
 
 	/* get the real key ID */
 	keyid = frame[len - key->icv_len - IEEE80211_GMAC_PN_LEN - 2];
@@ -370,7 +370,7 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
 			return -1;
 		key = rcu_dereference(mvmvif->bcn_prot.keys[keyid - 6]);
 		if (!key)
-			return -1;
+			goto report;
 	}
 
 	/* Report status to mac80211 */
@@ -378,6 +378,10 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
 		ieee80211_key_mic_failure(key);
 	else if (status & IWL_RX_MPDU_STATUS_REPLAY_ERROR)
 		ieee80211_key_replay(key);
+report:
+	wdev = ieee80211_vif_to_wdev(mvmsta->vif);
+	if (wdev->netdev)
+		cfg80211_rx_unprot_mlme_mgmt(wdev->netdev, (void *)hdr, len);
 
 	return -1;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 078/317] wifi: iwlwifi: dbg-tlv: ensure NUL termination
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (76 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 077/317] wifi: iwlwifi: mvm: report beacon protection failures Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:30 ` [PATCH 5.15 079/317] wifi: iwlwifi: fix EWRD table validity check Sasha Levin
                   ` (241 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Johannes Berg, Gregory Greenman, Miri Korenblit, Sasha Levin

From: Johannes Berg <johannes.berg@intel.com>

[ Upstream commit ea1d166fae14e05d49ffb0ea9fcd4658f8d3dcea ]

The iwl_fw_ini_debug_info_tlv is used as a string, so we must
ensure the string is terminated correctly before using it.

Fixes: a9248de42464 ("iwlwifi: dbg_ini: add TLV allocation new API support")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240128084842.be15e858ee89.Ibff93429cf999eafc7b26f3eef4c055dc84984a0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index 8a610c518082a..fe3239c4607e3 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -99,6 +99,12 @@ static int iwl_dbg_tlv_alloc_debug_info(struct iwl_trans *trans,
 	if (le32_to_cpu(tlv->length) != sizeof(*debug_info))
 		return -EINVAL;
 
+	/* we use this as a string, ensure input was NUL terminated */
+	if (strnlen(debug_info->debug_cfg_name,
+		    sizeof(debug_info->debug_cfg_name)) ==
+			sizeof(debug_info->debug_cfg_name))
+		return -EINVAL;
+
 	IWL_DEBUG_FW(trans, "WRT: Loading debug cfg: %s\n",
 		     debug_info->debug_cfg_name);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 079/317] wifi: iwlwifi: fix EWRD table validity check
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (77 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 078/317] wifi: iwlwifi: dbg-tlv: ensure NUL termination Sasha Levin
@ 2024-03-24 23:30 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 080/317] arm64: dts: imx8mm-venice-gw71xx: fix USB OTG VBUS Sasha Levin
                   ` (240 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:30 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Miri Korenblit, Gregory Greenman, Johannes Berg, Sasha Levin

From: Miri Korenblit <miriam.rachel.korenblit@intel.com>

[ Upstream commit c8d8f3911135921ace8e939ea0956b55f74bf8a0 ]

EWRD ACPI table contains up to 3 additional sar profiles.
According to the BIOS spec, the table contains a n_profile
variable indicating how many additional profiles exist in the
table.
Currently we check that n_profiles is not <= 0.
But according to the BIOS spec, 0 is a valid value,
and it can't be < 0 anyway because we receive that from ACPI as
an unsigned integer.

Fixes: 39c1a9728f93 ("iwlwifi: refactor the SAR tables from mvm to acpi")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://msgid.link/20240129211905.448ea2f40814.Iffd2aadf8e8693e6cb599bee0406a800a0c1e081@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/fw/acpi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index f0e0d4ccbc091..0b1c6bf729c3e 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -674,7 +674,7 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
 	 * from index 1, so the maximum value allowed here is
 	 * ACPI_SAR_PROFILES_NUM - 1.
 	 */
-	if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) {
+	if (n_profiles >= ACPI_SAR_PROFILE_NUM) {
 		ret = -EINVAL;
 		goto out_free;
 	}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 080/317] arm64: dts: imx8mm-venice-gw71xx: fix USB OTG VBUS
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (78 preceding siblings ...)
  2024-03-24 23:30 ` [PATCH 5.15 079/317] wifi: iwlwifi: fix EWRD table validity check Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 081/317] pwm: atmel-hlcdc: Convert to platform remove callback returning void Sasha Levin
                   ` (239 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Tim Harvey, Shawn Guo, Sasha Levin

From: Tim Harvey <tharvey@gateworks.com>

[ Upstream commit ec2cb52fcfef5d58574f2cfbc9a99ffc20ae5a9d ]

The GW71xx does not have a gpio controlled vbus regulator but it does
require some pinctrl. Remove the regulator and move the valid pinctrl
into the usbotg1 node.

Fixes: bd306fdb4e60 ("arm64: dts: imx8mm-venice-gw71xx: fix USB OTG VBUS")
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../dts/freescale/imx8mm-venice-gw71xx.dtsi   | 29 ++++++-------------
 1 file changed, 9 insertions(+), 20 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
index 7ea909a4c1d5e..6de00c9dcd349 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
@@ -40,17 +40,6 @@ pps {
 		gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
 		status = "okay";
 	};
-
-	reg_usb_otg1_vbus: regulator-usb-otg1 {
-		pinctrl-names = "default";
-		pinctrl-0 = <&pinctrl_reg_usb1_en>;
-		compatible = "regulator-fixed";
-		regulator-name = "usb_otg1_vbus";
-		gpio = <&gpio1 10 GPIO_ACTIVE_HIGH>;
-		enable-active-high;
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-	};
 };
 
 /* off-board header */
@@ -102,9 +91,10 @@ &uart3 {
 };
 
 &usbotg1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usbotg1>;
 	dr_mode = "otg";
 	over-current-active-low;
-	vbus-supply = <&reg_usb_otg1_vbus>;
 	status = "okay";
 };
 
@@ -156,14 +146,6 @@ MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15	0x41
 		>;
 	};
 
-	pinctrl_reg_usb1_en: regusb1grp {
-		fsl,pins = <
-			MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10	0x41
-			MX8MM_IOMUXC_GPIO1_IO12_GPIO1_IO12	0x141
-			MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC	0x41
-		>;
-	};
-
 	pinctrl_spi2: spi2grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK	0xd6
@@ -186,4 +168,11 @@ MX8MM_IOMUXC_UART3_RXD_UART3_DCE_RX	0x140
 			MX8MM_IOMUXC_UART3_TXD_UART3_DCE_TX	0x140
 		>;
 	};
+
+	pinctrl_usbotg1: usbotg1grp {
+		fsl,pins = <
+			MX8MM_IOMUXC_GPIO1_IO12_GPIO1_IO12	0x141
+			MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC	0x41
+		>;
+	};
 };
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 081/317] pwm: atmel-hlcdc: Convert to platform remove callback returning void
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (79 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 080/317] arm64: dts: imx8mm-venice-gw71xx: fix USB OTG VBUS Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 082/317] pwm: atmel-hlcdc: Use consistent variable naming Sasha Levin
                   ` (238 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Uwe Kleine-König, Claudiu Beznea, Thierry Reding, Sasha Levin

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit 5fce94170ad8a67b839f3dd8e8e8a87039ba0251 ]

The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.

Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Stable-dep-of: e25ac87d3f83 ("pwm: atmel-hlcdc: Fix clock imbalance related to suspend support")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-atmel-hlcdc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/pwm/pwm-atmel-hlcdc.c b/drivers/pwm/pwm-atmel-hlcdc.c
index a43b2babc8093..96a709a9d49a8 100644
--- a/drivers/pwm/pwm-atmel-hlcdc.c
+++ b/drivers/pwm/pwm-atmel-hlcdc.c
@@ -278,15 +278,13 @@ static int atmel_hlcdc_pwm_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int atmel_hlcdc_pwm_remove(struct platform_device *pdev)
+static void atmel_hlcdc_pwm_remove(struct platform_device *pdev)
 {
 	struct atmel_hlcdc_pwm *chip = platform_get_drvdata(pdev);
 
 	pwmchip_remove(&chip->chip);
 
 	clk_disable_unprepare(chip->hlcdc->periph_clk);
-
-	return 0;
 }
 
 static const struct of_device_id atmel_hlcdc_pwm_dt_ids[] = {
@@ -301,7 +299,7 @@ static struct platform_driver atmel_hlcdc_pwm_driver = {
 		.pm = &atmel_hlcdc_pwm_pm_ops,
 	},
 	.probe = atmel_hlcdc_pwm_probe,
-	.remove = atmel_hlcdc_pwm_remove,
+	.remove_new = atmel_hlcdc_pwm_remove,
 };
 module_platform_driver(atmel_hlcdc_pwm_driver);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 082/317] pwm: atmel-hlcdc: Use consistent variable naming
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (80 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 081/317] pwm: atmel-hlcdc: Convert to platform remove callback returning void Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 083/317] pwm: atmel-hlcdc: Fix clock imbalance related to suspend support Sasha Levin
                   ` (237 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Uwe Kleine-König, Claudiu Beznea, Thierry Reding, Sasha Levin

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit aecab554b6ffa9a94ba796031eb39ea20eb60fb3 ]

In PWM drivers the variable name "chip" is usually only used for struct
pwm_chip pointers. This driver however used "chip" for its driver data
and pwm_chip pointers are named "chip", too, when there is no driver
data around and "c" otherwise. Instead use "atmel" for driver data and
always "chip" for pwm_chips.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
[thierry.reding@gmail.com: replace ddata by atmel]
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Stable-dep-of: e25ac87d3f83 ("pwm: atmel-hlcdc: Fix clock imbalance related to suspend support")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-atmel-hlcdc.c | 65 ++++++++++++++++++-----------------
 1 file changed, 33 insertions(+), 32 deletions(-)

diff --git a/drivers/pwm/pwm-atmel-hlcdc.c b/drivers/pwm/pwm-atmel-hlcdc.c
index 96a709a9d49a8..4d0b859d0ac13 100644
--- a/drivers/pwm/pwm-atmel-hlcdc.c
+++ b/drivers/pwm/pwm-atmel-hlcdc.c
@@ -38,11 +38,11 @@ static inline struct atmel_hlcdc_pwm *to_atmel_hlcdc_pwm(struct pwm_chip *chip)
 	return container_of(chip, struct atmel_hlcdc_pwm, chip);
 }
 
-static int atmel_hlcdc_pwm_apply(struct pwm_chip *c, struct pwm_device *pwm,
+static int atmel_hlcdc_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 				 const struct pwm_state *state)
 {
-	struct atmel_hlcdc_pwm *chip = to_atmel_hlcdc_pwm(c);
-	struct atmel_hlcdc *hlcdc = chip->hlcdc;
+	struct atmel_hlcdc_pwm *atmel = to_atmel_hlcdc_pwm(chip);
+	struct atmel_hlcdc *hlcdc = atmel->hlcdc;
 	unsigned int status;
 	int ret;
 
@@ -54,7 +54,7 @@ static int atmel_hlcdc_pwm_apply(struct pwm_chip *c, struct pwm_device *pwm,
 		u32 pwmcfg;
 		int pres;
 
-		if (!chip->errata || !chip->errata->slow_clk_erratum) {
+		if (!atmel->errata || !atmel->errata->slow_clk_erratum) {
 			clk_freq = clk_get_rate(new_clk);
 			if (!clk_freq)
 				return -EINVAL;
@@ -64,7 +64,7 @@ static int atmel_hlcdc_pwm_apply(struct pwm_chip *c, struct pwm_device *pwm,
 		}
 
 		/* Errata: cannot use slow clk on some IP revisions */
-		if ((chip->errata && chip->errata->slow_clk_erratum) ||
+		if ((atmel->errata && atmel->errata->slow_clk_erratum) ||
 		    clk_period_ns > state->period) {
 			new_clk = hlcdc->sys_clk;
 			clk_freq = clk_get_rate(new_clk);
@@ -77,8 +77,8 @@ static int atmel_hlcdc_pwm_apply(struct pwm_chip *c, struct pwm_device *pwm,
 
 		for (pres = 0; pres <= ATMEL_HLCDC_PWMPS_MAX; pres++) {
 		/* Errata: cannot divide by 1 on some IP revisions */
-			if (!pres && chip->errata &&
-			    chip->errata->div1_clk_erratum)
+			if (!pres && atmel->errata &&
+			    atmel->errata->div1_clk_erratum)
 				continue;
 
 			if ((clk_period_ns << pres) >= state->period)
@@ -90,7 +90,7 @@ static int atmel_hlcdc_pwm_apply(struct pwm_chip *c, struct pwm_device *pwm,
 
 		pwmcfg = ATMEL_HLCDC_PWMPS(pres);
 
-		if (new_clk != chip->cur_clk) {
+		if (new_clk != atmel->cur_clk) {
 			u32 gencfg = 0;
 			int ret;
 
@@ -98,8 +98,8 @@ static int atmel_hlcdc_pwm_apply(struct pwm_chip *c, struct pwm_device *pwm,
 			if (ret)
 				return ret;
 
-			clk_disable_unprepare(chip->cur_clk);
-			chip->cur_clk = new_clk;
+			clk_disable_unprepare(atmel->cur_clk);
+			atmel->cur_clk = new_clk;
 
 			if (new_clk == hlcdc->sys_clk)
 				gencfg = ATMEL_HLCDC_CLKPWMSEL;
@@ -160,8 +160,8 @@ static int atmel_hlcdc_pwm_apply(struct pwm_chip *c, struct pwm_device *pwm,
 		if (ret)
 			return ret;
 
-		clk_disable_unprepare(chip->cur_clk);
-		chip->cur_clk = NULL;
+		clk_disable_unprepare(atmel->cur_clk);
+		atmel->cur_clk = NULL;
 	}
 
 	return 0;
@@ -183,31 +183,32 @@ static const struct atmel_hlcdc_pwm_errata atmel_hlcdc_pwm_sama5d3_errata = {
 #ifdef CONFIG_PM_SLEEP
 static int atmel_hlcdc_pwm_suspend(struct device *dev)
 {
-	struct atmel_hlcdc_pwm *chip = dev_get_drvdata(dev);
+	struct atmel_hlcdc_pwm *atmel = dev_get_drvdata(dev);
 
 	/* Keep the periph clock enabled if the PWM is still running. */
-	if (pwm_is_enabled(&chip->chip.pwms[0]))
-		clk_disable_unprepare(chip->hlcdc->periph_clk);
+	if (pwm_is_enabled(&atmel->chip.pwms[0]))
+		clk_disable_unprepare(atmel->hlcdc->periph_clk);
 
 	return 0;
 }
 
 static int atmel_hlcdc_pwm_resume(struct device *dev)
 {
-	struct atmel_hlcdc_pwm *chip = dev_get_drvdata(dev);
+	struct atmel_hlcdc_pwm *atmel = dev_get_drvdata(dev);
 	struct pwm_state state;
 	int ret;
 
-	pwm_get_state(&chip->chip.pwms[0], &state);
+	pwm_get_state(&atmel->chip.pwms[0], &state);
 
 	/* Re-enable the periph clock it was stopped during suspend. */
 	if (!state.enabled) {
-		ret = clk_prepare_enable(chip->hlcdc->periph_clk);
+		ret = clk_prepare_enable(atmel->hlcdc->periph_clk);
 		if (ret)
 			return ret;
 	}
 
-	return atmel_hlcdc_pwm_apply(&chip->chip, &chip->chip.pwms[0], &state);
+	return atmel_hlcdc_pwm_apply(&atmel->chip, &atmel->chip.pwms[0],
+				     &state);
 }
 #endif
 
@@ -244,14 +245,14 @@ static int atmel_hlcdc_pwm_probe(struct platform_device *pdev)
 {
 	const struct of_device_id *match;
 	struct device *dev = &pdev->dev;
-	struct atmel_hlcdc_pwm *chip;
+	struct atmel_hlcdc_pwm *atmel;
 	struct atmel_hlcdc *hlcdc;
 	int ret;
 
 	hlcdc = dev_get_drvdata(dev->parent);
 
-	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
-	if (!chip)
+	atmel = devm_kzalloc(dev, sizeof(*atmel), GFP_KERNEL);
+	if (!atmel)
 		return -ENOMEM;
 
 	ret = clk_prepare_enable(hlcdc->periph_clk);
@@ -260,31 +261,31 @@ static int atmel_hlcdc_pwm_probe(struct platform_device *pdev)
 
 	match = of_match_node(atmel_hlcdc_dt_ids, dev->parent->of_node);
 	if (match)
-		chip->errata = match->data;
+		atmel->errata = match->data;
 
-	chip->hlcdc = hlcdc;
-	chip->chip.ops = &atmel_hlcdc_pwm_ops;
-	chip->chip.dev = dev;
-	chip->chip.npwm = 1;
+	atmel->hlcdc = hlcdc;
+	atmel->chip.ops = &atmel_hlcdc_pwm_ops;
+	atmel->chip.dev = dev;
+	atmel->chip.npwm = 1;
 
-	ret = pwmchip_add(&chip->chip);
+	ret = pwmchip_add(&atmel->chip);
 	if (ret) {
 		clk_disable_unprepare(hlcdc->periph_clk);
 		return ret;
 	}
 
-	platform_set_drvdata(pdev, chip);
+	platform_set_drvdata(pdev, atmel);
 
 	return 0;
 }
 
 static void atmel_hlcdc_pwm_remove(struct platform_device *pdev)
 {
-	struct atmel_hlcdc_pwm *chip = platform_get_drvdata(pdev);
+	struct atmel_hlcdc_pwm *atmel = platform_get_drvdata(pdev);
 
-	pwmchip_remove(&chip->chip);
+	pwmchip_remove(&atmel->chip);
 
-	clk_disable_unprepare(chip->hlcdc->periph_clk);
+	clk_disable_unprepare(atmel->hlcdc->periph_clk);
 }
 
 static const struct of_device_id atmel_hlcdc_pwm_dt_ids[] = {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 083/317] pwm: atmel-hlcdc: Fix clock imbalance related to suspend support
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (81 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 082/317] pwm: atmel-hlcdc: Use consistent variable naming Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 084/317] net: blackhole_dev: fix build warning for ethh set but not used Sasha Levin
                   ` (236 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Uwe Kleine-König, Claudiu Beznea, Sasha Levin

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit e25ac87d3f831fed002c34aadddaf4ebb4ea45ec ]

The suspend callback disables the periph clock when the PWM is enabled
and resume reenables this clock if the PWM was disabled before. Judging
from the code comment it's suspend that is wrong here. Fix accordingly.

Fixes: f9bb9da7c09d ("pwm: atmel-hlcdc: Implement the suspend/resume hooks")
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://lore.kernel.org/r/b51ea92b0a45eff3dc83b08adefd43d930df996c.1706269232.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-atmel-hlcdc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pwm/pwm-atmel-hlcdc.c b/drivers/pwm/pwm-atmel-hlcdc.c
index 4d0b859d0ac13..3e9c94a8d7f72 100644
--- a/drivers/pwm/pwm-atmel-hlcdc.c
+++ b/drivers/pwm/pwm-atmel-hlcdc.c
@@ -186,7 +186,7 @@ static int atmel_hlcdc_pwm_suspend(struct device *dev)
 	struct atmel_hlcdc_pwm *atmel = dev_get_drvdata(dev);
 
 	/* Keep the periph clock enabled if the PWM is still running. */
-	if (pwm_is_enabled(&atmel->chip.pwms[0]))
+	if (!pwm_is_enabled(&atmel->chip.pwms[0]))
 		clk_disable_unprepare(atmel->hlcdc->periph_clk);
 
 	return 0;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 084/317] net: blackhole_dev: fix build warning for ethh set but not used
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (82 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 083/317] pwm: atmel-hlcdc: Fix clock imbalance related to suspend support Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 085/317] wifi: libertas: fix some memleaks in lbs_allocate_cmd_buffer() Sasha Levin
                   ` (235 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Breno Leitao, Jiri Pirko, David S . Miller, Sasha Levin

From: Breno Leitao <leitao@debian.org>

[ Upstream commit 843a8851e89e2e85db04caaf88d8554818319047 ]

lib/test_blackhole_dev.c sets a variable that is never read, causing
this following building warning:

	lib/test_blackhole_dev.c:32:17: warning: variable 'ethh' set but not used [-Wunused-but-set-variable]

Remove the variable struct ethhdr *ethh, which is unused.

Fixes: 509e56b37cc3 ("blackhole_dev: add a selftest")
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 lib/test_blackhole_dev.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/test_blackhole_dev.c b/lib/test_blackhole_dev.c
index 4c40580a99a36..f247089d63c08 100644
--- a/lib/test_blackhole_dev.c
+++ b/lib/test_blackhole_dev.c
@@ -29,7 +29,6 @@ static int __init test_blackholedev_init(void)
 {
 	struct ipv6hdr *ip6h;
 	struct sk_buff *skb;
-	struct ethhdr *ethh;
 	struct udphdr *uh;
 	int data_len;
 	int ret;
@@ -61,7 +60,7 @@ static int __init test_blackholedev_init(void)
 	ip6h->saddr = in6addr_loopback;
 	ip6h->daddr = in6addr_loopback;
 	/* Ether */
-	ethh = (struct ethhdr *)skb_push(skb, sizeof(struct ethhdr));
+	skb_push(skb, sizeof(struct ethhdr));
 	skb_set_mac_header(skb, 0);
 
 	skb->protocol = htons(ETH_P_IPV6);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 085/317] wifi: libertas: fix some memleaks in lbs_allocate_cmd_buffer()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (83 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 084/317] net: blackhole_dev: fix build warning for ethh set but not used Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 086/317] arm64: dts: qcom: msm8996: Move '#clock-cells' to QMP PHY child node Sasha Levin
                   ` (234 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhipeng Lu, Kalle Valo, Sasha Levin

From: Zhipeng Lu <alexious@zju.edu.cn>

[ Upstream commit 5f0e4aede01cb01fa633171f0533affd25328c3a ]

In the for statement of lbs_allocate_cmd_buffer(), if the allocation of
cmdarray[i].cmdbuf fails, both cmdarray and cmdarray[i].cmdbuf needs to
be freed. Otherwise, there will be memleaks in lbs_allocate_cmd_buffer().

Fixes: 876c9d3aeb98 ("[PATCH] Marvell Libertas 8388 802.11b/g USB driver")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240126075336.2825608-1-alexious@zju.edu.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/marvell/libertas/cmd.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/marvell/libertas/cmd.c b/drivers/net/wireless/marvell/libertas/cmd.c
index a4d9dd73b2588..db9a852fa58a3 100644
--- a/drivers/net/wireless/marvell/libertas/cmd.c
+++ b/drivers/net/wireless/marvell/libertas/cmd.c
@@ -1133,7 +1133,7 @@ int lbs_allocate_cmd_buffer(struct lbs_private *priv)
 		if (!cmdarray[i].cmdbuf) {
 			lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
 			ret = -1;
-			goto done;
+			goto free_cmd_array;
 		}
 	}
 
@@ -1141,8 +1141,17 @@ int lbs_allocate_cmd_buffer(struct lbs_private *priv)
 		init_waitqueue_head(&cmdarray[i].cmdwait_q);
 		lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
 	}
-	ret = 0;
+	return 0;
 
+free_cmd_array:
+	for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+		if (cmdarray[i].cmdbuf) {
+			kfree(cmdarray[i].cmdbuf);
+			cmdarray[i].cmdbuf = NULL;
+		}
+	}
+	kfree(priv->cmd_array);
+	priv->cmd_array = NULL;
 done:
 	return ret;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 086/317] arm64: dts: qcom: msm8996: Move '#clock-cells' to QMP PHY child node
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (84 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 085/317] wifi: libertas: fix some memleaks in lbs_allocate_cmd_buffer() Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 087/317] arm64: dts: qcom: msm8998: drop USB PHY clock index Sasha Levin
                   ` (233 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Shawn Guo, Bjorn Andersson, Sasha Levin

From: Shawn Guo <shawn.guo@linaro.org>

[ Upstream commit 82d61e19fccbf2fe7c018765b3799791916e7f31 ]

'#clock-cells' is a required property of QMP PHY child node, not itself.
Move it to fix the dtbs_check warnings.

There are only '#clock-cells' removal from SM8350 QMP PHY nodes, because
child nodes already have the property.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210929034253.24570-4-shawn.guo@linaro.org
Stable-dep-of: fc835b2311d4 ("arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 4 ++--
 arch/arm64/boot/dts/qcom/msm8996.dtsi | 4 ++--
 arch/arm64/boot/dts/qcom/msm8998.dtsi | 2 +-
 arch/arm64/boot/dts/qcom/sm8350.dtsi  | 3 ---
 4 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index 17eeff106bab7..0a4c5b847ddd5 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -91,7 +91,6 @@ soc: soc {
 		ssphy_1: phy@58000 {
 			compatible = "qcom,ipq8074-qmp-usb3-phy";
 			reg = <0x00058000 0x1c4>;
-			#clock-cells = <1>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -112,6 +111,7 @@ usb1_ssphy: phy@58200 {
 				      <0x00058800 0x1f8>,     /* PCS  */
 				      <0x00058600 0x044>;     /* PCS misc*/
 				#phy-cells = <0>;
+				#clock-cells = <1>;
 				clocks = <&gcc GCC_USB1_PIPE_CLK>;
 				clock-names = "pipe0";
 				clock-output-names = "usb3phy_1_cc_pipe_clk";
@@ -134,7 +134,6 @@ qusb_phy_1: phy@59000 {
 		ssphy_0: phy@78000 {
 			compatible = "qcom,ipq8074-qmp-usb3-phy";
 			reg = <0x00078000 0x1c4>;
-			#clock-cells = <1>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -155,6 +154,7 @@ usb0_ssphy: phy@78200 {
 				      <0x00078800 0x1f8>,     /* PCS  */
 				      <0x00078600 0x044>;     /* PCS misc*/
 				#phy-cells = <0>;
+				#clock-cells = <1>;
 				clocks = <&gcc GCC_USB0_PIPE_CLK>;
 				clock-names = "pipe0";
 				clock-output-names = "usb3phy_0_cc_pipe_clk";
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index fd9ffe8448b04..e8fe02f484bf2 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -615,7 +615,6 @@ soc: soc {
 		pcie_phy: phy@34000 {
 			compatible = "qcom,msm8996-qmp-pcie-phy";
 			reg = <0x00034000 0x488>;
-			#clock-cells = <1>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -637,6 +636,7 @@ pciephy_0: phy@35000 {
 				      <0x00035400 0x1dc>;
 				#phy-cells = <0>;
 
+				#clock-cells = <1>;
 				clock-output-names = "pcie_0_pipe_clk_src";
 				clocks = <&gcc GCC_PCIE_0_PIPE_CLK>;
 				clock-names = "pipe0";
@@ -2641,7 +2641,6 @@ usb3_dwc3: dwc3@6a00000 {
 		usb3phy: phy@7410000 {
 			compatible = "qcom,msm8996-qmp-usb3-phy";
 			reg = <0x07410000 0x1c4>;
-			#clock-cells = <1>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -2662,6 +2661,7 @@ ssusb_phy_0: phy@7410200 {
 				      <0x07410600 0x1a8>;
 				#phy-cells = <0>;
 
+				#clock-cells = <1>;
 				clock-output-names = "usb3_phy_pipe_clk_src";
 				clocks = <&gcc GCC_USB3_PHY_PIPE_CLK>;
 				clock-names = "pipe0";
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 7eadecba0175d..6dbed85fa53e5 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -1993,7 +1993,6 @@ usb3phy: phy@c010000 {
 			compatible = "qcom,msm8998-qmp-usb3-phy";
 			reg = <0x0c010000 0x18c>;
 			status = "disabled";
-			#clock-cells = <1>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -2014,6 +2013,7 @@ usb1_ssphy: phy@c010200 {
 				      <0xc010600 0x128>,
 				      <0xc010800 0x200>;
 				#phy-cells = <0>;
+				#clock-cells = <1>;
 				clocks = <&gcc GCC_USB3_PHY_PIPE_CLK>;
 				clock-names = "pipe0";
 				clock-output-names = "usb3_phy_pipe_clk_src";
diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index b0ba63b5869d2..8506dc841c869 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -1119,7 +1119,6 @@ ufs_mem_phy: phy@1d87000 {
 			reg = <0 0x01d87000 0 0x1c4>;
 			#address-cells = <2>;
 			#size-cells = <2>;
-			#clock-cells = <1>;
 			ranges;
 			clock-names = "ref",
 				      "ref_aux";
@@ -1254,7 +1253,6 @@ usb_1_qmpphy: phy-wrapper@88e9000 {
 			      <0 0x088e8000 0 0x20>;
 			reg-names = "reg-base", "dp_com";
 			status = "disabled";
-			#clock-cells = <1>;
 			#address-cells = <2>;
 			#size-cells = <2>;
 			ranges;
@@ -1287,7 +1285,6 @@ usb_2_qmpphy: phy-wrapper@88eb000 {
 			compatible = "qcom,sm8350-qmp-usb3-uni-phy";
 			reg = <0 0x088eb000 0 0x200>;
 			status = "disabled";
-			#clock-cells = <1>;
 			#address-cells = <2>;
 			#size-cells = <2>;
 			ranges;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 087/317] arm64: dts: qcom: msm8998: drop USB PHY clock index
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (85 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 086/317] arm64: dts: qcom: msm8996: Move '#clock-cells' to QMP PHY child node Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-25  7:42   ` Johan Hovold
  2024-03-24 23:31 ` [PATCH 5.15 088/317] arm64: dts: qcom: msm8998: switch USB QMP PHY to new style of bindings Sasha Levin
                   ` (232 subsequent siblings)
  319 siblings, 1 reply; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Johan Hovold, Dmitry Baryshkov, Bjorn Andersson, Sasha Levin

From: Johan Hovold <johan+linaro@kernel.org>

[ Upstream commit ed9cbbcb8c6a1925db7995214602c6a8983ff870 ]

The QMP USB PHY provides a single clock so drop the redundant clock
index.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220705114032.22787-7-johan+linaro@kernel.org
Stable-dep-of: fc835b2311d4 ("arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/qcom/msm8998.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 6dbed85fa53e5..e1b744d76251d 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -2013,7 +2013,7 @@ usb1_ssphy: phy@c010200 {
 				      <0xc010600 0x128>,
 				      <0xc010800 0x200>;
 				#phy-cells = <0>;
-				#clock-cells = <1>;
+				#clock-cells = <0>;
 				clocks = <&gcc GCC_USB3_PHY_PIPE_CLK>;
 				clock-names = "pipe0";
 				clock-output-names = "usb3_phy_pipe_clk_src";
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 088/317] arm64: dts: qcom: msm8998: switch USB QMP PHY to new style of bindings
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (86 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 087/317] arm64: dts: qcom: msm8998: drop USB PHY clock index Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 089/317] arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY Sasha Levin
                   ` (231 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Dmitry Baryshkov, Bjorn Andersson, Sasha Levin

From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

[ Upstream commit b7efebfeb2e8ad8187cdabba5f0212ba2e6c1069 ]

Change the USB QMP PHY to use newer style of QMP PHY bindings (single
resource region, no per-PHY subnodes).

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230824211952.1397699-11-dmitry.baryshkov@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Stable-dep-of: fc835b2311d4 ("arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/qcom/msm8998.dtsi | 35 +++++++++++----------------
 1 file changed, 14 insertions(+), 21 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index e1b744d76251d..b3b1258f2d6f8 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -1982,7 +1982,7 @@ usb3_dwc3: dwc3@a800000 {
 				interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
 				snps,dis_u2_susphy_quirk;
 				snps,dis_enblslpm_quirk;
-				phys = <&qusb2phy>, <&usb1_ssphy>;
+				phys = <&qusb2phy>, <&usb3phy>;
 				phy-names = "usb2-phy", "usb3-phy";
 				snps,has-lpm-erratum;
 				snps,hird-threshold = /bits/ 8 <0x10>;
@@ -1991,33 +1991,26 @@ usb3_dwc3: dwc3@a800000 {
 
 		usb3phy: phy@c010000 {
 			compatible = "qcom,msm8998-qmp-usb3-phy";
-			reg = <0x0c010000 0x18c>;
-			status = "disabled";
-			#address-cells = <1>;
-			#size-cells = <1>;
-			ranges;
+			reg = <0x0c010000 0x1000>;
 
 			clocks = <&gcc GCC_USB3_PHY_AUX_CLK>,
+				 <&gcc GCC_USB3_CLKREF_CLK>,
 				 <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>,
-				 <&gcc GCC_USB3_CLKREF_CLK>;
-			clock-names = "aux", "cfg_ahb", "ref";
+				 <&gcc GCC_USB3_PHY_PIPE_CLK>;
+			clock-names = "aux",
+				      "ref",
+				      "cfg_ahb",
+				      "pipe";
+			clock-output-names = "usb3_phy_pipe_clk_src";
+			#clock-cells = <0>;
+			#phy-cells = <0>;
 
 			resets = <&gcc GCC_USB3_PHY_BCR>,
 				 <&gcc GCC_USB3PHY_PHY_BCR>;
-			reset-names = "phy", "common";
+			reset-names = "phy",
+				      "phy_phy";
 
-			usb1_ssphy: phy@c010200 {
-				reg = <0xc010200 0x128>,
-				      <0xc010400 0x200>,
-				      <0xc010c00 0x20c>,
-				      <0xc010600 0x128>,
-				      <0xc010800 0x200>;
-				#phy-cells = <0>;
-				#clock-cells = <0>;
-				clocks = <&gcc GCC_USB3_PHY_PIPE_CLK>;
-				clock-names = "pipe0";
-				clock-output-names = "usb3_phy_pipe_clk_src";
-			};
+			status = "disabled";
 		};
 
 		qusb2phy: phy@c012000 {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 089/317] arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (87 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 088/317] arm64: dts: qcom: msm8998: switch USB QMP PHY to new style of bindings Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 090/317] printk: Add panic_in_progress helper Sasha Levin
                   ` (230 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Dmitry Baryshkov, Jeffrey Hugo, Konrad Dybcio, Bjorn Andersson,
	Sasha Levin

From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

[ Upstream commit fc835b2311d4deb85d776c1d73562338462aa7ac ]

The USB3 PHY on the MSM8998 platform doesn't have built-in
PCS_MISC_CLAMP_ENABLE register. Instead clamping is handled separately
via the register in the TCSR space. Declare corresponding register.

Fixes: 026dad8f5873 ("arm64: dts: qcom: msm8998: Add USB-related nodes")
Cc: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://lore.kernel.org/r/20240117-usbc-phy-vls-clamp-v2-4-a950c223f10f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/qcom/msm8998.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index b3b1258f2d6f8..3d32bf0986e1e 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -1081,6 +1081,11 @@ tcsr_mutex_regs: syscon@1f40000 {
 			reg = <0x01f40000 0x40000>;
 		};
 
+		tcsr_regs_2: syscon@1fc0000 {
+			compatible = "qcom,msm8998-tcsr", "syscon";
+			reg = <0x01fc0000 0x26000>;
+		};
+
 		tlmm: pinctrl@3400000 {
 			compatible = "qcom,msm8998-pinctrl";
 			reg = <0x03400000 0xc00000>;
@@ -2010,6 +2015,8 @@ usb3phy: phy@c010000 {
 			reset-names = "phy",
 				      "phy_phy";
 
+			qcom,tcsr-reg = <&tcsr_regs_2 0xb244>;
+
 			status = "disabled";
 		};
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 090/317] printk: Add panic_in_progress helper
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (88 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 089/317] arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 091/317] printk: Disable passing console lock owner completely during panic() Sasha Levin
                   ` (229 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Stephen Brennan, Petr Mladek, Sergey Senozhatsky, Sasha Levin

From: Stephen Brennan <stephen.s.brennan@oracle.com>

[ Upstream commit 77498617857f68496b360081dde1a492d40c28b2 ]

This will be used help avoid deadlocks during panics. Although it would
be better to include this in linux/panic.h, it would require that header
to include linux/atomic.h as well. On some architectures, this results
in a circular dependency as well. So instead add the helper directly to
printk.c.

Suggested-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220202171821.179394-2-stephen.s.brennan@oracle.com
Stable-dep-of: d04d5882cd67 ("printk: Disable passing console lock owner completely during panic()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/printk/printk.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 8b110b245d92c..de44ccf9743c1 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -258,6 +258,11 @@ static void __up_console_sem(unsigned long ip)
 }
 #define up_console_sem() __up_console_sem(_RET_IP_)
 
+static bool panic_in_progress(void)
+{
+	return unlikely(atomic_read(&panic_cpu) != PANIC_CPU_INVALID);
+}
+
 /*
  * This is used for debugging the mess that is the VT code by
  * keeping track if we have the console semaphore held. It's
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 091/317] printk: Disable passing console lock owner completely during panic()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (89 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 090/317] printk: Add panic_in_progress helper Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 092/317] pwm: sti: Implement .apply() callback Sasha Levin
                   ` (228 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Petr Mladek, John Ogness, Sasha Levin

From: Petr Mladek <pmladek@suse.com>

[ Upstream commit d04d5882cd678b898a9d7c5aee6afbe9e6e77fcd ]

The commit d51507098ff91 ("printk: disable optimistic spin
during panic") added checks to avoid becoming a console waiter
if a panic is in progress.

However, the transition to panic can occur while there is
already a waiter. The current owner should not pass the lock to
the waiter because it might get stopped or blocked anytime.

Also the panic context might pass the console lock owner to an
already stopped waiter by mistake. It might happen when
console_flush_on_panic() ignores the current lock owner, for
example:

CPU0                                CPU1
----                                ----
console_lock_spinning_enable()
                                    console_trylock_spinning()
                                      [CPU1 now console waiter]
NMI: panic()
  panic_other_cpus_shutdown()
                                    [stopped as console waiter]
  console_flush_on_panic()
    console_lock_spinning_enable()
    [print 1 record]
    console_lock_spinning_disable_and_check()
      [handover to stopped CPU1]

This results in panic() not flushing the panic messages.

Fix these problems by disabling all spinning operations
completely during panic().

Another advantage is that it prevents possible deadlocks caused
by "console_owner_lock". The panic() context does not need to
take it any longer. The lockless checks are safe because the
functions become NOPs when they see the panic in progress. All
operations manipulating the state are still synchronized by the
lock even when non-panic CPUs would notice the panic
synchronously.

The current owner might stay spinning. But non-panic() CPUs
would get stopped anyway and the panic context will never start
spinning.

Fixes: dbdda842fe96 ("printk: Add console owner and waiter logic to load balance console writes")
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Link: https://lore.kernel.org/r/20240207134103.1357162-12-john.ogness@linutronix.de
Signed-off-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/printk/printk.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index de44ccf9743c1..5ad824b080e27 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1802,10 +1802,23 @@ static bool console_waiter;
  */
 static void console_lock_spinning_enable(void)
 {
+	/*
+	 * Do not use spinning in panic(). The panic CPU wants to keep the lock.
+	 * Non-panic CPUs abandon the flush anyway.
+	 *
+	 * Just keep the lockdep annotation. The panic-CPU should avoid
+	 * taking console_owner_lock because it might cause a deadlock.
+	 * This looks like the easiest way how to prevent false lockdep
+	 * reports without handling races a lockless way.
+	 */
+	if (panic_in_progress())
+		goto lockdep;
+
 	raw_spin_lock(&console_owner_lock);
 	console_owner = current;
 	raw_spin_unlock(&console_owner_lock);
 
+lockdep:
 	/* The waiter may spin on us after setting console_owner */
 	spin_acquire(&console_owner_dep_map, 0, 0, _THIS_IP_);
 }
@@ -1829,6 +1842,22 @@ static int console_lock_spinning_disable_and_check(void)
 {
 	int waiter;
 
+	/*
+	 * Ignore spinning waiters during panic() because they might get stopped
+	 * or blocked at any time,
+	 *
+	 * It is safe because nobody is allowed to start spinning during panic
+	 * in the first place. If there has been a waiter then non panic CPUs
+	 * might stay spinning. They would get stopped anyway. The panic context
+	 * will never start spinning and an interrupted spin on panic CPU will
+	 * never continue.
+	 */
+	if (panic_in_progress()) {
+		/* Keep lockdep happy. */
+		spin_release(&console_owner_dep_map, _THIS_IP_);
+		return 0;
+	}
+
 	raw_spin_lock(&console_owner_lock);
 	waiter = READ_ONCE(console_waiter);
 	console_owner = NULL;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 092/317] pwm: sti: Implement .apply() callback
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (90 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 091/317] printk: Disable passing console lock owner completely during panic() Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 093/317] pwm: sti: Fix capture for st,pwm-num-chan < st,capture-num-chan Sasha Levin
                   ` (227 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Uwe Kleine-König, Thierry Reding, Sasha Levin

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit b2e60b32b4fe5da4cf7fedd976416b5f47f62332 ]

To eventually get rid of all legacy drivers convert this driver to the
modern world implementing .apply().
This just pushed a variant of pwm_apply_legacy() into the driver that was
slightly simplified because the driver doesn't provide a .set_polarity()
callback.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Stable-dep-of: 5f623835584f ("pwm: sti: Fix capture for st,pwm-num-chan < st,capture-num-chan")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-sti.c | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/drivers/pwm/pwm-sti.c b/drivers/pwm/pwm-sti.c
index f8a3f30e54dd5..652fdb8dc7bfa 100644
--- a/drivers/pwm/pwm-sti.c
+++ b/drivers/pwm/pwm-sti.c
@@ -392,11 +392,34 @@ static int sti_pwm_capture(struct pwm_chip *chip, struct pwm_device *pwm,
 	return ret;
 }
 
+static int sti_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
+			 const struct pwm_state *state)
+{
+	int err;
+
+	if (state->polarity != PWM_POLARITY_NORMAL)
+		return -EINVAL;
+
+	if (!state->enabled) {
+		if (pwm->state.enabled)
+			sti_pwm_disable(chip, pwm);
+
+		return 0;
+	}
+
+	err = sti_pwm_config(pwm->chip, pwm, state->duty_cycle, state->period);
+	if (err)
+		return err;
+
+	if (!pwm->state.enabled)
+		err = sti_pwm_enable(chip, pwm);
+
+	return err;
+}
+
 static const struct pwm_ops sti_pwm_ops = {
 	.capture = sti_pwm_capture,
-	.config = sti_pwm_config,
-	.enable = sti_pwm_enable,
-	.disable = sti_pwm_disable,
+	.apply = sti_pwm_apply,
 	.free = sti_pwm_free,
 	.owner = THIS_MODULE,
 };
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 093/317] pwm: sti: Fix capture for st,pwm-num-chan < st,capture-num-chan
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (91 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 092/317] pwm: sti: Implement .apply() callback Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 094/317] wifi: iwlwifi: mvm: don't set replay counters to 0xff Sasha Levin
                   ` (226 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Uwe Kleine-König, Sasha Levin

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit 5f623835584f1c8d1030666796f40c47a448ce0b ]

The driver only used the number of pwm channels to set the pwm_chip's
npwm member. The result is that if there are more capture channels than
PWM channels specified in the device tree, only a part of the capture
channel is usable. Fix that by passing the bigger channel count to the
pwm framework. This makes it possible that the .apply() callback is
called with .hwpwm >= pwm_num_devs, catch that case and return an error
code.

Fixes: c97267ae831d ("pwm: sti: Add PWM capture callback")
Link: https://lore.kernel.org/r/20240204212043.2951852-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-sti.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/pwm/pwm-sti.c b/drivers/pwm/pwm-sti.c
index 652fdb8dc7bfa..0a7920cbd4949 100644
--- a/drivers/pwm/pwm-sti.c
+++ b/drivers/pwm/pwm-sti.c
@@ -395,8 +395,17 @@ static int sti_pwm_capture(struct pwm_chip *chip, struct pwm_device *pwm,
 static int sti_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 			 const struct pwm_state *state)
 {
+	struct sti_pwm_chip *pc = to_sti_pwmchip(chip);
+	struct sti_pwm_compat_data *cdata = pc->cdata;
+	struct device *dev = pc->dev;
 	int err;
 
+	if (pwm->hwpwm >= cdata->pwm_num_devs) {
+		dev_err(dev, "device %u is not valid for pwm mode\n",
+			pwm->hwpwm);
+		return -EINVAL;
+	}
+
 	if (state->polarity != PWM_POLARITY_NORMAL)
 		return -EINVAL;
 
@@ -647,7 +656,7 @@ static int sti_pwm_probe(struct platform_device *pdev)
 
 	pc->chip.dev = dev;
 	pc->chip.ops = &sti_pwm_ops;
-	pc->chip.npwm = pc->cdata->pwm_num_devs;
+	pc->chip.npwm = max(cdata->pwm_num_devs, cdata->cpt_num_devs);
 
 	for (i = 0; i < cdata->cpt_num_devs; i++) {
 		struct sti_cpt_ddata *ddata = &cdata->ddata[i];
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 094/317] wifi: iwlwifi: mvm: don't set replay counters to 0xff
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (92 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 093/317] pwm: sti: Fix capture for st,pwm-num-chan < st,capture-num-chan Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 095/317] s390/vdso: drop '-fPIC' from LDFLAGS Sasha Levin
                   ` (225 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Johannes Berg, Miri Korenblit, Sasha Levin

From: Johannes Berg <johannes.berg@intel.com>

[ Upstream commit d5bd4041cd70faf26fc9a54bd6f172537bbe77f3 ]

The firmware (later) actually uses the values even for keys
that are invalid as far as the host is concerned, later in
rekeying, and then only sets the low 48 bits since the PNs
are only 48 bits over the air. It does, however, compare the
full 64 bits later, obviously causing problems.

Remove the memset and use kzalloc instead to avoid any old
heap data leaking to the firmware. We already init all the
other fields in the struct anyway. This leaves the data set
to zero for any unused fields, so the firmware can look at
them safely even if they're not used right now.

Fixes: 79e561f0f05a ("iwlwifi: mvm: d3: implement RSC command version 5")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206175739.462101146fef.I10f3855b99417af4247cff04af78dcbc6cb75c9c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 27756e47f7caf..c4c62bcbe67de 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -462,12 +462,10 @@ static int iwl_mvm_wowlan_config_rsc_tsc(struct iwl_mvm *mvm,
 		struct wowlan_key_rsc_v5_data data = {};
 		int i;
 
-		data.rsc = kmalloc(sizeof(*data.rsc), GFP_KERNEL);
+		data.rsc = kzalloc(sizeof(*data.rsc), GFP_KERNEL);
 		if (!data.rsc)
 			return -ENOMEM;
 
-		memset(data.rsc, 0xff, sizeof(*data.rsc));
-
 		for (i = 0; i < ARRAY_SIZE(data.rsc->mcast_key_id_map); i++)
 			data.rsc->mcast_key_id_map[i] =
 				IWL_MCAST_KEY_MAP_INVALID;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 095/317] s390/vdso: drop '-fPIC' from LDFLAGS
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (93 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 094/317] wifi: iwlwifi: mvm: don't set replay counters to 0xff Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 096/317] ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down() Sasha Levin
                   ` (224 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nathan Chancellor, Fangrui Song, Heiko Carstens, Sasha Levin

From: Nathan Chancellor <nathan@kernel.org>

[ Upstream commit 0628c03934187be33942580e10bb9afcc61adeed ]

'-fPIC' as an option to the linker does not do what it seems like it
should. With ld.bfd, it is treated as '-f PIC', which does not make
sense based on the meaning of '-f':

  -f SHLIB, --auxiliary SHLIB Auxiliary filter for shared object symbol table

When building with ld.lld (currently under review in a GitHub pull
request), it just errors out because '-f' means nothing and neither does
'-fPIC':

  ld.lld: error: unknown argument '-fPIC'

'-fPIC' was blindly copied from CFLAGS when the vDSO stopped being
linked with '$(CC)', it should not be needed. Remove it to clear up the
build failure with ld.lld.

Fixes: 2b2a25845d53 ("s390/vdso: Use $(LD) instead of $(CC) to link vDSO")
Link: https://github.com/llvm/llvm-project/pull/75643
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Fangrui Song <maskray@google.com>
Link: https://lore.kernel.org/r/20240130-s390-vdso-drop-fpic-from-ldflags-v1-1-094ad104fc55@kernel.org
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/kernel/vdso32/Makefile | 2 +-
 arch/s390/kernel/vdso64/Makefile | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index 245bddfe9bc0e..cc513add48eb5 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -22,7 +22,7 @@ KBUILD_AFLAGS_32 += -m31 -s
 KBUILD_CFLAGS_32 := $(filter-out -m64,$(KBUILD_CFLAGS))
 KBUILD_CFLAGS_32 += -m31 -fPIC -shared -fno-common -fno-builtin
 
-LDFLAGS_vdso32.so.dbg += -fPIC -shared -soname=linux-vdso32.so.1 \
+LDFLAGS_vdso32.so.dbg += -shared -soname=linux-vdso32.so.1 \
 	--hash-style=both --build-id=sha1 -melf_s390 -T
 
 $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_32)
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 1605ba45ac4c0..42d918d50a1ff 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -26,7 +26,7 @@ KBUILD_AFLAGS_64 += -m64 -s
 
 KBUILD_CFLAGS_64 := $(filter-out -m64,$(KBUILD_CFLAGS))
 KBUILD_CFLAGS_64 += -m64 -fPIC -fno-common -fno-builtin
-ldflags-y := -fPIC -shared -soname=linux-vdso64.so.1 \
+ldflags-y := -shared -soname=linux-vdso64.so.1 \
 	     --hash-style=both --build-id=sha1 -T
 
 $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 096/317] ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (94 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 095/317] s390/vdso: drop '-fPIC' from LDFLAGS Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 097/317] arm64: dts: mt8183: kukui: Add Type C node Sasha Levin
                   ` (223 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Eric Dumazet, Taehee Yoo, Cong Wang, David Ahern,
	David S . Miller, Sasha Levin

From: Eric Dumazet <edumazet@google.com>

[ Upstream commit 17ef8efc00b34918b966388b2af0993811895a8c ]

As discussed in the past (commit 2d3916f31891 ("ipv6: fix skb drops
in igmp6_event_query() and igmp6_event_report()")) I think the
synchronize_net() call in ipv6_mc_down() is not needed.

Under load, synchronize_net() can last between 200 usec and 5 ms.

KASAN seems to agree as well.

Fixes: f185de28d9ae ("mld: add new workqueues for process mld events")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Taehee Yoo <ap420073@gmail.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv6/mcast.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 0ea7d97cdc025..6e5d1ade48a89 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2722,7 +2722,6 @@ void ipv6_mc_down(struct inet6_dev *idev)
 	/* Should stop work after group drop. or we will
 	 * start work again in mld_ifc_event()
 	 */
-	synchronize_net();
 	mld_query_stop_work(idev);
 	mld_report_stop_work(idev);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 097/317] arm64: dts: mt8183: kukui: Add Type C node
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (95 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 096/317] ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down() Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 098/317] arm64: dts: mt8183: kukui: Split out keyboard node and describe detachables Sasha Levin
                   ` (222 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Prashant Malani, Alexandru M Stan, Benson Leung,
	Matthias Brugger, Sasha Levin

From: Prashant Malani <pmalani@chromium.org>

[ Upstream commit fd31f778da81fec188f3ac8e03da4338642a8f08 ]

Add a node describing the USB Type C connector, in order to utilize the
Chromium OS USB Type-C driver that enumerates Type-C ports and connected
cables/peripherals and makes them visible to userspace.

Cc: Alexandru M Stan <amstan@chromium.org>
Cc: Benson Leung <bleung@chromium.org>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Alexandru M Stan <amstan@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20211209195112.366176-1-pmalani@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Stable-dep-of: 04bd6411f506 ("arm64: dts: mt8183: Move CrosEC base detection node to kukui-based DTs")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index 6b7a42c5d5153..30a84d888c66c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -831,6 +831,20 @@ usbc_extcon: extcon0 {
 		cbas {
 			compatible = "google,cros-cbas";
 		};
+
+		typec {
+			compatible = "google,cros-ec-typec";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			usb_c0: connector@0 {
+				compatible = "usb-c-connector";
+				reg = <0>;
+				power-role = "dual";
+				data-role = "host";
+				try-power-role = "sink";
+			};
+		};
 	};
 };
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 098/317] arm64: dts: mt8183: kukui: Split out keyboard node and describe detachables
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (96 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 097/317] arm64: dts: mt8183: kukui: Add Type C node Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 099/317] arm64: dts: mt8183: Move CrosEC base detection node to kukui-based DTs Sasha Levin
                   ` (221 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Hsin-Yi Wang, Matthias Brugger, Sasha Levin

From: Hsin-Yi Wang <hsinyi@chromium.org>

[ Upstream commit 82492c4ef8f65f93cd4a35c4b52518935acbb2fa ]

Kukui devices krane, kodana, and kakadu use detachable keyboards, which
only have switches to be registered.

Change the keyboard node's compatible of those boards to the newly
introduced "google,cros-ec-keyb-switches", which won't include matrix
properties.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Link: https://lore.kernel.org/r/20220527045353.2483042-1-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Stable-dep-of: 04bd6411f506 ("arm64: dts: mt8183: Move CrosEC base detection node to kukui-based DTs")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi.dtsi | 2 ++
 arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi  | 6 ++++++
 arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi  | 6 ++++++
 arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi   | 6 ++++++
 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi         | 1 -
 5 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi.dtsi
index c1153580ef958..88fca67dead01 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi.dtsi
@@ -4,6 +4,8 @@
  */
 
 #include "mt8183-kukui.dtsi"
+/* Must come after mt8183-kukui.dtsi to modify cros_ec */
+#include <arm/cros-ec-keyboard.dtsi>
 
 / {
 	panel: panel {
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi
index 28966a65391b0..4b419623c8dcc 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi
@@ -372,6 +372,12 @@ pen_eject {
 	};
 };
 
+&cros_ec {
+	keyboard-controller {
+		compatible = "google,cros-ec-keyb-switches";
+	};
+};
+
 &qca_wifi {
 	qcom,ath10k-calibration-variant = "GO_KAKADU";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi
index 3aa79403c0c2c..e6e017260693c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi
@@ -338,6 +338,12 @@ touch_pin_reset: pin_reset {
 	};
 };
 
+&cros_ec {
+	keyboard-controller {
+		compatible = "google,cros-ec-keyb-switches";
+	};
+};
+
 &qca_wifi {
 	qcom,ath10k-calibration-variant = "GO_KODAMA";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi
index 30c183c96a54c..51bb2c23712c4 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi
@@ -342,6 +342,12 @@ rst_pin {
 	};
 };
 
+&cros_ec {
+	keyboard-controller {
+		compatible = "google,cros-ec-keyb-switches";
+	};
+};
+
 &qca_wifi {
 	qcom,ath10k-calibration-variant = "LE_Krane";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index 30a84d888c66c..f70f0f43aa52b 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -931,5 +931,4 @@ hub@1 {
 	};
 };
 
-#include <arm/cros-ec-keyboard.dtsi>
 #include <arm/cros-ec-sbs.dtsi>
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 099/317] arm64: dts: mt8183: Move CrosEC base detection node to kukui-based DTs
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (97 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 098/317] arm64: dts: mt8183: kukui: Split out keyboard node and describe detachables Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 100/317] arm64: dts: mediatek: mt7622: add missing "device_type" to memory nodes Sasha Levin
                   ` (220 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nícolas F. R. A. Prado, AngeloGioacchino Del Regno,
	Matthias Brugger, Sasha Levin

From: Nícolas F. R. A. Prado <nfraprado@collabora.com>

[ Upstream commit 04bd6411f506357fd1faedc2b2156e7ef206aa9a ]

The cbas node is used to describe base detection functionality in the
ChromeOS EC, which is used for units that have a detachable keyboard and
thus rely on this functionality to switch between tablet and laptop
mode.

Despite the original commit having added the cbas node to the
mt8183-kukui.dtsi, not all machines that include it are detachables. In
fact all machines that include from mt8183-kukui-jacuzzi.dtsi are either
clamshells (ie normal laptops) or convertibles, meaning the keyboard can
be flipped but not detached. The detection for the keyboard getting
flipped is handled by the driver bound to the keyboard-controller node
in the EC.

Move the base detection node from the base kukui dtsi to the dtsis where
all machines are detachables, and thus actually make use of the node.

Fixes: 4fa8492d1e5b ("arm64: dts: mt8183: add cbas node under cros_ec")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240116-mt8183-kukui-cbas-remove-v3-1-055e21406e86@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi | 4 ++++
 arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi | 4 ++++
 arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi  | 4 ++++
 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi        | 4 ----
 4 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi
index 4b419623c8dcc..fa90708956945 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kakadu.dtsi
@@ -373,6 +373,10 @@ pen_eject {
 };
 
 &cros_ec {
+	cbas {
+		compatible = "google,cros-cbas";
+	};
+
 	keyboard-controller {
 		compatible = "google,cros-ec-keyb-switches";
 	};
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi
index e6e017260693c..03724c80c0804 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama.dtsi
@@ -339,6 +339,10 @@ touch_pin_reset: pin_reset {
 };
 
 &cros_ec {
+	cbas {
+		compatible = "google,cros-cbas";
+	};
+
 	keyboard-controller {
 		compatible = "google,cros-ec-keyb-switches";
 	};
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi
index 51bb2c23712c4..be0ac786bcbc9 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane.dtsi
@@ -343,6 +343,10 @@ rst_pin {
 };
 
 &cros_ec {
+	cbas {
+		compatible = "google,cros-cbas";
+	};
+
 	keyboard-controller {
 		compatible = "google,cros-ec-keyb-switches";
 	};
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index f70f0f43aa52b..22a1c66325c29 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -828,10 +828,6 @@ usbc_extcon: extcon0 {
 			google,usb-port-id = <0>;
 		};
 
-		cbas {
-			compatible = "google,cros-cbas";
-		};
-
 		typec {
 			compatible = "google,cros-ec-typec";
 			#address-cells = <1>;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 100/317] arm64: dts: mediatek: mt7622: add missing "device_type" to memory nodes
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (98 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 099/317] arm64: dts: mt8183: Move CrosEC base detection node to kukui-based DTs Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 101/317] bpf: Mark bpf_spin_{lock,unlock}() helpers with notrace correctly Sasha Levin
                   ` (219 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Rafał Miłecki, Matthias Brugger,
	AngeloGioacchino Del Regno, Sasha Levin

From: Rafał Miłecki <rafal@milecki.pl>

[ Upstream commit 99d100e00144bc01b49a697f4bc4398f2f7e7ce4 ]

This fixes:
arch/arm64/boot/dts/mediatek/mt7622-rfb1.dtb: /: memory@40000000: 'device_type' is a required property
        from schema $id: http://devicetree.org/schemas/memory.yaml#
arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dtb: /: memory@40000000: 'device_type' is a required property
        from schema $id: http://devicetree.org/schemas/memory.yaml#

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240122132357.31264-1-zajec5@gmail.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts | 1 +
 arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts             | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
index cdbd70bf5dd9b..483f7ab4f31c7 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -71,6 +71,7 @@ red {
 
 	memory@40000000 {
 		reg = <0 0x40000000 0 0x40000000>;
+		device_type = "memory";
 	};
 
 	reg_1p8v: regulator-1p8v {
diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index ee454a26b4597..28e17a7e2a5a6 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -57,6 +57,7 @@ wps {
 
 	memory@40000000 {
 		reg = <0 0x40000000 0 0x20000000>;
+		device_type = "memory";
 	};
 
 	reg_1p8v: regulator-1p8v {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 101/317] bpf: Mark bpf_spin_{lock,unlock}() helpers with notrace correctly
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (99 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 100/317] arm64: dts: mediatek: mt7622: add missing "device_type" to memory nodes Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 102/317] wireless: Remove redundant 'flush_workqueue()' calls Sasha Levin
                   ` (218 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yonghong Song, Andrii Nakryiko, Jiri Olsa, Sasha Levin

From: Yonghong Song <yonghong.song@linux.dev>

[ Upstream commit 178c54666f9c4d2f49f2ea661d0c11b52f0ed190 ]

Currently tracing is supposed not to allow for bpf_spin_{lock,unlock}()
helper calls. This is to prevent deadlock for the following cases:
  - there is a prog (prog-A) calling bpf_spin_{lock,unlock}().
  - there is a tracing program (prog-B), e.g., fentry, attached
    to bpf_spin_lock() and/or bpf_spin_unlock().
  - prog-B calls bpf_spin_{lock,unlock}().
For such a case, when prog-A calls bpf_spin_{lock,unlock}(),
a deadlock will happen.

The related source codes are below in kernel/bpf/helpers.c:
  notrace BPF_CALL_1(bpf_spin_lock, struct bpf_spin_lock *, lock)
  notrace BPF_CALL_1(bpf_spin_unlock, struct bpf_spin_lock *, lock)
notrace is supposed to prevent fentry prog from attaching to
bpf_spin_{lock,unlock}().

But actually this is not the case and fentry prog can successfully
attached to bpf_spin_lock(). Siddharth Chintamaneni reported
the issue in [1]. The following is the macro definition for
above BPF_CALL_1:
  #define BPF_CALL_x(x, name, ...)                                               \
        static __always_inline                                                 \
        u64 ____##name(__BPF_MAP(x, __BPF_DECL_ARGS, __BPF_V, __VA_ARGS__));   \
        typedef u64 (*btf_##name)(__BPF_MAP(x, __BPF_DECL_ARGS, __BPF_V, __VA_ARGS__)); \
        u64 name(__BPF_REG(x, __BPF_DECL_REGS, __BPF_N, __VA_ARGS__));         \
        u64 name(__BPF_REG(x, __BPF_DECL_REGS, __BPF_N, __VA_ARGS__))          \
        {                                                                      \
                return ((btf_##name)____##name)(__BPF_MAP(x,__BPF_CAST,__BPF_N,__VA_ARGS__));\
        }                                                                      \
        static __always_inline                                                 \
        u64 ____##name(__BPF_MAP(x, __BPF_DECL_ARGS, __BPF_V, __VA_ARGS__))

  #define BPF_CALL_1(name, ...)   BPF_CALL_x(1, name, __VA_ARGS__)

The notrace attribute is actually applied to the static always_inline function
____bpf_spin_{lock,unlock}(). The actual callback function
bpf_spin_{lock,unlock}() is not marked with notrace, hence
allowing fentry prog to attach to two helpers, and this
may cause the above mentioned deadlock. Siddharth Chintamaneni
actually has a reproducer in [2].

To fix the issue, a new macro NOTRACE_BPF_CALL_1 is introduced which
will add notrace attribute to the original function instead of
the hidden always_inline function and this fixed the problem.

  [1] https://lore.kernel.org/bpf/CAE5sdEigPnoGrzN8WU7Tx-h-iFuMZgW06qp0KHWtpvoXxf1OAQ@mail.gmail.com/
  [2] https://lore.kernel.org/bpf/CAE5sdEg6yUc_Jz50AnUXEEUh6O73yQ1Z6NV2srJnef0ZrQkZew@mail.gmail.com/

Fixes: d83525ca62cf ("bpf: introduce bpf_spin_lock")
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240207070102.335167-1-yonghong.song@linux.dev
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/filter.h | 21 ++++++++++++---------
 kernel/bpf/helpers.c   |  4 ++--
 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/include/linux/filter.h b/include/linux/filter.h
index a9956b681f090..2b6da8e356aab 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -496,24 +496,27 @@ static inline bool insn_is_zext(const struct bpf_insn *insn)
 	__BPF_MAP(n, __BPF_DECL_ARGS, __BPF_N, u64, __ur_1, u64, __ur_2,       \
 		  u64, __ur_3, u64, __ur_4, u64, __ur_5)
 
-#define BPF_CALL_x(x, name, ...)					       \
+#define BPF_CALL_x(x, attr, name, ...)					       \
 	static __always_inline						       \
 	u64 ____##name(__BPF_MAP(x, __BPF_DECL_ARGS, __BPF_V, __VA_ARGS__));   \
 	typedef u64 (*btf_##name)(__BPF_MAP(x, __BPF_DECL_ARGS, __BPF_V, __VA_ARGS__)); \
-	u64 name(__BPF_REG(x, __BPF_DECL_REGS, __BPF_N, __VA_ARGS__));	       \
-	u64 name(__BPF_REG(x, __BPF_DECL_REGS, __BPF_N, __VA_ARGS__))	       \
+	attr u64 name(__BPF_REG(x, __BPF_DECL_REGS, __BPF_N, __VA_ARGS__));    \
+	attr u64 name(__BPF_REG(x, __BPF_DECL_REGS, __BPF_N, __VA_ARGS__))     \
 	{								       \
 		return ((btf_##name)____##name)(__BPF_MAP(x,__BPF_CAST,__BPF_N,__VA_ARGS__));\
 	}								       \
 	static __always_inline						       \
 	u64 ____##name(__BPF_MAP(x, __BPF_DECL_ARGS, __BPF_V, __VA_ARGS__))
 
-#define BPF_CALL_0(name, ...)	BPF_CALL_x(0, name, __VA_ARGS__)
-#define BPF_CALL_1(name, ...)	BPF_CALL_x(1, name, __VA_ARGS__)
-#define BPF_CALL_2(name, ...)	BPF_CALL_x(2, name, __VA_ARGS__)
-#define BPF_CALL_3(name, ...)	BPF_CALL_x(3, name, __VA_ARGS__)
-#define BPF_CALL_4(name, ...)	BPF_CALL_x(4, name, __VA_ARGS__)
-#define BPF_CALL_5(name, ...)	BPF_CALL_x(5, name, __VA_ARGS__)
+#define __NOATTR
+#define BPF_CALL_0(name, ...)	BPF_CALL_x(0, __NOATTR, name, __VA_ARGS__)
+#define BPF_CALL_1(name, ...)	BPF_CALL_x(1, __NOATTR, name, __VA_ARGS__)
+#define BPF_CALL_2(name, ...)	BPF_CALL_x(2, __NOATTR, name, __VA_ARGS__)
+#define BPF_CALL_3(name, ...)	BPF_CALL_x(3, __NOATTR, name, __VA_ARGS__)
+#define BPF_CALL_4(name, ...)	BPF_CALL_x(4, __NOATTR, name, __VA_ARGS__)
+#define BPF_CALL_5(name, ...)	BPF_CALL_x(5, __NOATTR, name, __VA_ARGS__)
+
+#define NOTRACE_BPF_CALL_1(name, ...)	BPF_CALL_x(1, notrace, name, __VA_ARGS__)
 
 #define bpf_ctx_range(TYPE, MEMBER)						\
 	offsetof(TYPE, MEMBER) ... offsetofend(TYPE, MEMBER) - 1
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index 870127c895c49..273f2f0deb239 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -298,7 +298,7 @@ static inline void __bpf_spin_lock_irqsave(struct bpf_spin_lock *lock)
 	__this_cpu_write(irqsave_flags, flags);
 }
 
-notrace BPF_CALL_1(bpf_spin_lock, struct bpf_spin_lock *, lock)
+NOTRACE_BPF_CALL_1(bpf_spin_lock, struct bpf_spin_lock *, lock)
 {
 	__bpf_spin_lock_irqsave(lock);
 	return 0;
@@ -320,7 +320,7 @@ static inline void __bpf_spin_unlock_irqrestore(struct bpf_spin_lock *lock)
 	local_irq_restore(flags);
 }
 
-notrace BPF_CALL_1(bpf_spin_unlock, struct bpf_spin_lock *, lock)
+NOTRACE_BPF_CALL_1(bpf_spin_unlock, struct bpf_spin_lock *, lock)
 {
 	__bpf_spin_unlock_irqrestore(lock);
 	return 0;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 102/317] wireless: Remove redundant 'flush_workqueue()' calls
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (100 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 101/317] bpf: Mark bpf_spin_{lock,unlock}() helpers with notrace correctly Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 103/317] wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces Sasha Levin
                   ` (217 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Kalle Valo, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit ff1cc2fa3055ee4c83839f38b74b4ee370a2291c ]

'destroy_workqueue()' already drains the queue before destroying it, so
there is no need to flush it explicitly.

Remove the redundant 'flush_workqueue()' calls.

This was generated with coccinelle:

@@
expression E;
@@
- 	flush_workqueue(E);
	destroy_workqueue(E);

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/0855d51423578ad019c0264dad3fe47a2e8af9c7.1633849511.git.christophe.jaillet@wanadoo.fr
Stable-dep-of: cb5942b77c05 ("wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/ath/ath10k/core.c             | 3 ---
 drivers/net/wireless/ath/ath10k/sdio.c             | 1 -
 drivers/net/wireless/intel/iwlegacy/3945-mac.c     | 1 -
 drivers/net/wireless/intel/iwlegacy/4965-mac.c     | 1 -
 drivers/net/wireless/intel/iwlwifi/dvm/main.c      | 1 -
 drivers/net/wireless/marvell/mwifiex/cfg80211.c    | 2 --
 drivers/net/wireless/marvell/mwifiex/main.c        | 2 --
 drivers/net/wireless/microchip/wilc1000/netdev.c   | 1 -
 drivers/net/wireless/quantenna/qtnfmac/core.c      | 2 --
 drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c | 2 --
 drivers/net/wireless/realtek/rtlwifi/pci.c         | 1 -
 drivers/net/wireless/rndis_wlan.c                  | 2 --
 drivers/net/wireless/st/cw1200/bh.c                | 2 --
 13 files changed, 21 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 58e86e662ab83..eca24a61165ee 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -3544,13 +3544,10 @@ EXPORT_SYMBOL(ath10k_core_create);
 
 void ath10k_core_destroy(struct ath10k *ar)
 {
-	flush_workqueue(ar->workqueue);
 	destroy_workqueue(ar->workqueue);
 
-	flush_workqueue(ar->workqueue_aux);
 	destroy_workqueue(ar->workqueue_aux);
 
-	flush_workqueue(ar->workqueue_tx_complete);
 	destroy_workqueue(ar->workqueue_tx_complete);
 
 	ath10k_debug_destroy(ar);
diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index eb705214f3f0a..63e1c2d783c5f 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -2650,7 +2650,6 @@ static void ath10k_sdio_remove(struct sdio_func *func)
 
 	ath10k_core_destroy(ar);
 
-	flush_workqueue(ar_sdio->workqueue);
 	destroy_workqueue(ar_sdio->workqueue);
 }
 
diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
index 04c149ff745e9..dea0012fcdc79 100644
--- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
@@ -3827,7 +3827,6 @@ il3945_pci_remove(struct pci_dev *pdev)
 	il3945_unset_hw_params(il);
 
 	/*netif_stop_queue(dev); */
-	flush_workqueue(il->workqueue);
 
 	/* ieee80211_unregister_hw calls il3945_mac_stop, which flushes
 	 * il->workqueue... so we can't take down the workqueue
diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
index ff04282e3db03..ceab7704897de 100644
--- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
@@ -6739,7 +6739,6 @@ il4965_pci_remove(struct pci_dev *pdev)
 	il_eeprom_free(il);
 
 	/*netif_stop_queue(dev); */
-	flush_workqueue(il->workqueue);
 
 	/* ieee80211_unregister_hw calls il_mac_stop, which flushes
 	 * il->workqueue... so we can't take down the workqueue
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/main.c b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
index cc7b69fd14d37..69d1aae96bbb4 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
@@ -1525,7 +1525,6 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
 	kfree(priv->nvm_data);
 
 	/*netif_stop_queue(dev); */
-	flush_workqueue(priv->workqueue);
 
 	/* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes
 	 * priv->workqueue... so we can't take down the workqueue
diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
index 109b1bef4c707..017d9e03d652d 100644
--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
@@ -3169,13 +3169,11 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
 		cfg80211_unregister_netdevice(wdev->netdev);
 
 	if (priv->dfs_cac_workqueue) {
-		flush_workqueue(priv->dfs_cac_workqueue);
 		destroy_workqueue(priv->dfs_cac_workqueue);
 		priv->dfs_cac_workqueue = NULL;
 	}
 
 	if (priv->dfs_chan_sw_workqueue) {
-		flush_workqueue(priv->dfs_chan_sw_workqueue);
 		destroy_workqueue(priv->dfs_chan_sw_workqueue);
 		priv->dfs_chan_sw_workqueue = NULL;
 	}
diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c
index 17399d4aa1290..7943fd3b3058d 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.c
+++ b/drivers/net/wireless/marvell/mwifiex/main.c
@@ -498,13 +498,11 @@ static void mwifiex_free_adapter(struct mwifiex_adapter *adapter)
 static void mwifiex_terminate_workqueue(struct mwifiex_adapter *adapter)
 {
 	if (adapter->workqueue) {
-		flush_workqueue(adapter->workqueue);
 		destroy_workqueue(adapter->workqueue);
 		adapter->workqueue = NULL;
 	}
 
 	if (adapter->rx_workqueue) {
-		flush_workqueue(adapter->rx_workqueue);
 		destroy_workqueue(adapter->rx_workqueue);
 		adapter->rx_workqueue = NULL;
 	}
diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c
index 5e3ec20e24dad..dc91739eff8c6 100644
--- a/drivers/net/wireless/microchip/wilc1000/netdev.c
+++ b/drivers/net/wireless/microchip/wilc1000/netdev.c
@@ -881,7 +881,6 @@ void wilc_netdev_cleanup(struct wilc *wilc)
 	srcu_read_unlock(&wilc->srcu, srcu_idx);
 
 	wilc_wfi_deinit_mon_interface(wilc, false);
-	flush_workqueue(wilc->hif_workqueue);
 	destroy_workqueue(wilc->hif_workqueue);
 
 	while (ifc_cnt < WILC_NUM_CONCURRENT_IFC) {
diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c
index b4dd60b2ebc90..01725237836e8 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.c
@@ -811,13 +811,11 @@ void qtnf_core_detach(struct qtnf_bus *bus)
 	bus->fw_state = QTNF_FW_STATE_DETACHED;
 
 	if (bus->workqueue) {
-		flush_workqueue(bus->workqueue);
 		destroy_workqueue(bus->workqueue);
 		bus->workqueue = NULL;
 	}
 
 	if (bus->hprio_workqueue) {
-		flush_workqueue(bus->hprio_workqueue);
 		destroy_workqueue(bus->hprio_workqueue);
 		bus->hprio_workqueue = NULL;
 	}
diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c
index 5d93c874d6669..9ad4c120fa287 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c
@@ -387,7 +387,6 @@ static int qtnf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	return 0;
 
 error:
-	flush_workqueue(pcie_priv->workqueue);
 	destroy_workqueue(pcie_priv->workqueue);
 	pci_set_drvdata(pdev, NULL);
 	return ret;
@@ -416,7 +415,6 @@ static void qtnf_pcie_remove(struct pci_dev *dev)
 		qtnf_core_detach(bus);
 
 	netif_napi_del(&bus->mux_napi);
-	flush_workqueue(priv->workqueue);
 	destroy_workqueue(priv->workqueue);
 	tasklet_kill(&priv->reclaim_tq);
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
index 679ae786cf450..6d9f2a6233a21 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
@@ -1704,7 +1704,6 @@ static void rtl_pci_deinit(struct ieee80211_hw *hw)
 	tasklet_kill(&rtlpriv->works.irq_tasklet);
 	cancel_work_sync(&rtlpriv->works.lps_change_work);
 
-	flush_workqueue(rtlpriv->works.rtl_wq);
 	destroy_workqueue(rtlpriv->works.rtl_wq);
 }
 
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 70841d131d724..c35e9f5c2897e 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -3494,7 +3494,6 @@ static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
 	cancel_delayed_work_sync(&priv->dev_poller_work);
 	cancel_delayed_work_sync(&priv->scan_work);
 	cancel_work_sync(&priv->work);
-	flush_workqueue(priv->workqueue);
 	destroy_workqueue(priv->workqueue);
 
 	wiphy_free(wiphy);
@@ -3511,7 +3510,6 @@ static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
 	cancel_delayed_work_sync(&priv->dev_poller_work);
 	cancel_delayed_work_sync(&priv->scan_work);
 	cancel_work_sync(&priv->work);
-	flush_workqueue(priv->workqueue);
 	destroy_workqueue(priv->workqueue);
 
 	rndis_unbind(usbdev, intf);
diff --git a/drivers/net/wireless/st/cw1200/bh.c b/drivers/net/wireless/st/cw1200/bh.c
index 8bade5d89f12f..10e019cddcc65 100644
--- a/drivers/net/wireless/st/cw1200/bh.c
+++ b/drivers/net/wireless/st/cw1200/bh.c
@@ -85,8 +85,6 @@ void cw1200_unregister_bh(struct cw1200_common *priv)
 	atomic_inc(&priv->bh_term);
 	wake_up(&priv->bh_wq);
 
-	flush_workqueue(priv->bh_workqueue);
-
 	destroy_workqueue(priv->bh_workqueue);
 	priv->bh_workqueue = NULL;
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 103/317] wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (101 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 102/317] wireless: Remove redundant 'flush_workqueue()' calls Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 104/317] ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit() Sasha Levin
                   ` (216 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Alexis Lothoré, Kalle Valo, Sasha Levin

From: Alexis Lothoré <alexis.lothore@bootlin.com>

[ Upstream commit cb5942b77c05d54310a0420cac12935e9b6aa21c ]

wilc_netdev_cleanup currently triggers a KASAN warning, which can be
observed on interface registration error path, or simply by
removing the module/unbinding device from driver:

echo spi0.1 > /sys/bus/spi/drivers/wilc1000_spi/unbind

==================================================================
BUG: KASAN: slab-use-after-free in wilc_netdev_cleanup+0x508/0x5cc
Read of size 4 at addr c54d1ce8 by task sh/86

CPU: 0 PID: 86 Comm: sh Not tainted 6.8.0-rc1+ #117
Hardware name: Atmel SAMA5
 unwind_backtrace from show_stack+0x18/0x1c
 show_stack from dump_stack_lvl+0x34/0x58
 dump_stack_lvl from print_report+0x154/0x500
 print_report from kasan_report+0xac/0xd8
 kasan_report from wilc_netdev_cleanup+0x508/0x5cc
 wilc_netdev_cleanup from wilc_bus_remove+0xc8/0xec
 wilc_bus_remove from spi_remove+0x8c/0xac
 spi_remove from device_release_driver_internal+0x434/0x5f8
 device_release_driver_internal from unbind_store+0xbc/0x108
 unbind_store from kernfs_fop_write_iter+0x398/0x584
 kernfs_fop_write_iter from vfs_write+0x728/0xf88
 vfs_write from ksys_write+0x110/0x1e4
 ksys_write from ret_fast_syscall+0x0/0x1c

[...]

Allocated by task 1:
 kasan_save_track+0x30/0x5c
 __kasan_kmalloc+0x8c/0x94
 __kmalloc_node+0x1cc/0x3e4
 kvmalloc_node+0x48/0x180
 alloc_netdev_mqs+0x68/0x11dc
 alloc_etherdev_mqs+0x28/0x34
 wilc_netdev_ifc_init+0x34/0x8ec
 wilc_cfg80211_init+0x690/0x910
 wilc_bus_probe+0xe0/0x4a0
 spi_probe+0x158/0x1b0
 really_probe+0x270/0xdf4
 __driver_probe_device+0x1dc/0x580
 driver_probe_device+0x60/0x140
 __driver_attach+0x228/0x5d4
 bus_for_each_dev+0x13c/0x1a8
 bus_add_driver+0x2a0/0x608
 driver_register+0x24c/0x578
 do_one_initcall+0x180/0x310
 kernel_init_freeable+0x424/0x484
 kernel_init+0x20/0x148
 ret_from_fork+0x14/0x28

Freed by task 86:
 kasan_save_track+0x30/0x5c
 kasan_save_free_info+0x38/0x58
 __kasan_slab_free+0xe4/0x140
 kfree+0xb0/0x238
 device_release+0xc0/0x2a8
 kobject_put+0x1d4/0x46c
 netdev_run_todo+0x8fc/0x11d0
 wilc_netdev_cleanup+0x1e4/0x5cc
 wilc_bus_remove+0xc8/0xec
 spi_remove+0x8c/0xac
 device_release_driver_internal+0x434/0x5f8
 unbind_store+0xbc/0x108
 kernfs_fop_write_iter+0x398/0x584
 vfs_write+0x728/0xf88
 ksys_write+0x110/0x1e4
 ret_fast_syscall+0x0/0x1c
 [...]

David Mosberger-Tan initial investigation [1] showed that this
use-after-free is due to netdevice unregistration during vif list
traversal. When unregistering a net device, since the needs_free_netdev has
been set to true during registration, the netdevice object is also freed,
and as a consequence, the corresponding vif object too, since it is
attached to it as private netdevice data. The next occurrence of the loop
then tries to access freed vif pointer to the list to move forward in the
list.

Fix this use-after-free thanks to two mechanisms:
- navigate in the list with list_for_each_entry_safe, which allows to
  safely modify the list as we go through each element. For each element,
  remove it from the list with list_del_rcu
- make sure to wait for RCU grace period end after each vif removal to make
  sure it is safe to free the corresponding vif too (through
  unregister_netdev)

Since we are in a RCU "modifier" path (not a "reader" path), and because
such path is expected not to be concurrent to any other modifier (we are
using the vif_mutex lock), we do not need to use RCU list API, that's why
we can benefit from list_for_each_entry_safe.

[1] https://lore.kernel.org/linux-wireless/ab077dbe58b1ea5de0a3b2ca21f275a07af967d2.camel@egauge.net/

Fixes: 8399918f3056 ("staging: wilc1000: use RCU list to maintain vif interfaces list")
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240212-wilc_rework_deinit-v1-1-9203ae56c27f@bootlin.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../net/wireless/microchip/wilc1000/netdev.c  | 28 +++++--------------
 1 file changed, 7 insertions(+), 21 deletions(-)

diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c
index dc91739eff8c6..0cf9e123d8c7d 100644
--- a/drivers/net/wireless/microchip/wilc1000/netdev.c
+++ b/drivers/net/wireless/microchip/wilc1000/netdev.c
@@ -862,8 +862,7 @@ static const struct net_device_ops wilc_netdev_ops = {
 
 void wilc_netdev_cleanup(struct wilc *wilc)
 {
-	struct wilc_vif *vif;
-	int srcu_idx, ifc_cnt = 0;
+	struct wilc_vif *vif, *vif_tmp;
 
 	if (!wilc)
 		return;
@@ -873,32 +872,19 @@ void wilc_netdev_cleanup(struct wilc *wilc)
 		wilc->firmware = NULL;
 	}
 
-	srcu_idx = srcu_read_lock(&wilc->srcu);
-	list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
+	list_for_each_entry_safe(vif, vif_tmp, &wilc->vif_list, list) {
+		mutex_lock(&wilc->vif_mutex);
+		list_del_rcu(&vif->list);
+		wilc->vif_num--;
+		mutex_unlock(&wilc->vif_mutex);
+		synchronize_srcu(&wilc->srcu);
 		if (vif->ndev)
 			unregister_netdev(vif->ndev);
 	}
-	srcu_read_unlock(&wilc->srcu, srcu_idx);
 
 	wilc_wfi_deinit_mon_interface(wilc, false);
 	destroy_workqueue(wilc->hif_workqueue);
 
-	while (ifc_cnt < WILC_NUM_CONCURRENT_IFC) {
-		mutex_lock(&wilc->vif_mutex);
-		if (wilc->vif_num <= 0) {
-			mutex_unlock(&wilc->vif_mutex);
-			break;
-		}
-		vif = wilc_get_wl_to_vif(wilc);
-		if (!IS_ERR(vif))
-			list_del_rcu(&vif->list);
-
-		wilc->vif_num--;
-		mutex_unlock(&wilc->vif_mutex);
-		synchronize_srcu(&wilc->srcu);
-		ifc_cnt++;
-	}
-
 	wilc_wlan_cfg_deinit(wilc);
 	wlan_deinit_locks(wilc);
 	wiphy_unregister(wilc->wiphy);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 104/317] ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (102 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 103/317] wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 105/317] bus: tegra-aconnect: Update dependency to ARCH_TEGRA Sasha Levin
                   ` (215 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Armin Wolf, Rafael J . Wysocki, Sasha Levin

From: Armin Wolf <W_Armin@gmx.de>

[ Upstream commit e18afcb7b2a12b635ac10081f943fcf84ddacc51 ]

After unregistering the CPU idle device, the memory associated with
it is not freed, leading to a memory leak:

unreferenced object 0xffff896282f6c000 (size 1024):
  comm "swapper/0", pid 1, jiffies 4294893170
  hex dump (first 32 bytes):
    00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 8836a742):
    [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340
    [<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0
    [<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0
    [<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50
    [<ffffffff99805872>] really_probe+0xe2/0x480
    [<ffffffff99805c98>] __driver_probe_device+0x78/0x160
    [<ffffffff99805daf>] driver_probe_device+0x1f/0x90
    [<ffffffff9980601e>] __driver_attach+0xce/0x1c0
    [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0
    [<ffffffff99804822>] bus_add_driver+0x112/0x210
    [<ffffffff99807245>] driver_register+0x55/0x100
    [<ffffffff9aee4acb>] acpi_processor_driver_init+0x3b/0xc0
    [<ffffffff990012d1>] do_one_initcall+0x41/0x300
    [<ffffffff9ae7c4b0>] kernel_init_freeable+0x320/0x470
    [<ffffffff99b231f6>] kernel_init+0x16/0x1b0
    [<ffffffff99042e6d>] ret_from_fork+0x2d/0x50

Fix this by freeing the CPU idle device after unregistering it.

Fixes: 3d339dcbb56d ("cpuidle / ACPI : move cpuidle_device field out of the acpi_processor_power structure")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/processor_idle.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index e9116db1e3527..4cb44d80bf520 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1424,6 +1424,8 @@ int acpi_processor_power_exit(struct acpi_processor *pr)
 		acpi_processor_registered--;
 		if (acpi_processor_registered == 0)
 			cpuidle_unregister_driver(&acpi_idle_driver);
+
+		kfree(dev);
 	}
 
 	pr->flags.power_setup_done = 0;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 105/317] bus: tegra-aconnect: Update dependency to ARCH_TEGRA
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (103 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 104/317] ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit() Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 106/317] iommu/amd: Mark interrupt as managed Sasha Levin
                   ` (214 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Peter Robinson, Jon Hunter, Thierry Reding, Sasha Levin

From: Peter Robinson <pbrobinson@gmail.com>

[ Upstream commit 4acd21a45c1446277e2abaece97d7fa7c2e692a9 ]

Update the architecture dependency to be the generic Tegra
because the driver works on the four latest Tegra generations
not just Tegra210, if you build a kernel with a specific
ARCH_TEGRA_xxx_SOC option that excludes Tegra210 you don't get
this driver.

Fixes: 46a88534afb59 ("bus: Add support for Tegra ACONNECT")
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Cc: Jon Hunter <jonathanh@nvidia.com>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/bus/Kconfig | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index a4cf3d692dc30..d224f5f7a7405 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -175,11 +175,12 @@ config SUNXI_RSB
 
 config TEGRA_ACONNECT
 	tristate "Tegra ACONNECT Bus Driver"
-	depends on ARCH_TEGRA_210_SOC
+	depends on ARCH_TEGRA
 	depends on OF && PM
 	help
 	  Driver for the Tegra ACONNECT bus which is used to interface with
-	  the devices inside the Audio Processing Engine (APE) for Tegra210.
+	  the devices inside the Audio Processing Engine (APE) for
+	  Tegra210 and later.
 
 config TEGRA_GMI
 	tristate "Tegra Generic Memory Interface bus driver"
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 106/317] iommu/amd: Mark interrupt as managed
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (104 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 105/317] bus: tegra-aconnect: Update dependency to ARCH_TEGRA Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 107/317] wifi: brcmsmac: avoid function pointer casts Sasha Levin
                   ` (213 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Mario Limonciello, Vasant Hegde, Joerg Roedel, Sasha Levin

From: Mario Limonciello <mario.limonciello@amd.com>

[ Upstream commit 0feda94c868d396fac3b3cb14089d2d989a07c72 ]

On many systems that have an AMD IOMMU the following sequence of
warnings is observed during bootup.

```
pci 0000:00:00.2  can't derive routing for PCI INT A
pci 0000:00:00.2: PCI INT A: not connected
```

This series of events happens because of the IOMMU initialization
sequence order and the lack of _PRT entries for the IOMMU.

During initialization the IOMMU driver first enables the PCI device
using pci_enable_device().  This will call acpi_pci_irq_enable()
which will check if the interrupt is declared in a PCI routing table
(_PRT) entry. According to the PCI spec [1] these routing entries
are only required under PCI root bridges:
	The _PRT object is required under all PCI root bridges

The IOMMU is directly connected to the root complex, so there is no
parent bridge to look for a _PRT entry. The first warning is emitted
since no entry could be found in the hierarchy. The second warning is
then emitted because the interrupt hasn't yet been configured to any
value.  The pin was configured in pci_read_irq() but the byte in
PCI_INTERRUPT_LINE return 0xff which means "Unknown".

After that sequence of events pci_enable_msi() is called and this
will allocate an interrupt.

That is both of these warnings are totally harmless because the IOMMU
uses MSI for interrupts.  To avoid even trying to probe for a _PRT
entry mark the IOMMU as IRQ managed. This avoids both warnings.

Link: https://uefi.org/htmlspecs/ACPI_Spec_6_4_html/06_Device_Configuration/Device_Configuration.html?highlight=_prt#prt-pci-routing-table [1]
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Fixes: cffe0a2b5a34 ("x86, irq: Keep balance of IOAPIC pin reference count")
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20240122233400.1802-1-mario.limonciello@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/amd/init.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 50ea582be5910..ef855495c210e 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -1821,6 +1821,9 @@ static int __init iommu_init_pci(struct amd_iommu *iommu)
 	/* Prevent binding other PCI device drivers to IOMMU devices */
 	iommu->dev->match_driver = false;
 
+	/* ACPI _PRT won't have an IRQ for IOMMU */
+	iommu->dev->irq_managed = 1;
+
 	pci_read_config_dword(iommu->dev, cap_ptr + MMIO_CAP_HDR_OFFSET,
 			      &iommu->cap);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 107/317] wifi: brcmsmac: avoid function pointer casts
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (105 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 106/317] iommu/amd: Mark interrupt as managed Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 108/317] net: ena: Remove ena_select_queue Sasha Levin
                   ` (212 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arnd Bergmann, Arend van Spriel, Kalle Valo, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit e1ea6db35fc3ba5ff063f097385e9f7a88c25356 ]

An old cleanup went a little too far and causes a warning with clang-16
and higher as it breaks control flow integrity (KCFI) rules:

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c:64:34: error: cast from 'void (*)(struct brcms_phy *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
   64 |                         brcms_init_timer(physhim->wl, (void (*)(void *))fn,
      |                                                       ^~~~~~~~~~~~~~~~~~~~

Change this one instance back to passing a void pointer so it can be
used with the timer callback interface.

Fixes: d89a4c80601d ("staging: brcm80211: removed void * from softmac phy")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240213100548.457854-1-arnd@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c   | 3 ++-
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c  | 5 ++---
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h  | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c
index ccc621b8ed9f2..4a1fe982a948e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c
@@ -383,8 +383,9 @@ struct shared_phy *wlc_phy_shared_attach(struct shared_phy_params *shp)
 	return sh;
 }
 
-static void wlc_phy_timercb_phycal(struct brcms_phy *pi)
+static void wlc_phy_timercb_phycal(void *ptr)
 {
+	struct brcms_phy *pi = ptr;
 	uint delay = 5;
 
 	if (PHY_PERICAL_MPHASE_PENDING(pi)) {
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c
index a0de5db0cd646..b723817915365 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c
@@ -57,12 +57,11 @@ void wlc_phy_shim_detach(struct phy_shim_info *physhim)
 }
 
 struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim,
-				     void (*fn)(struct brcms_phy *pi),
+				     void (*fn)(void *pi),
 				     void *arg, const char *name)
 {
 	return (struct wlapi_timer *)
-			brcms_init_timer(physhim->wl, (void (*)(void *))fn,
-					 arg, name);
+			brcms_init_timer(physhim->wl, fn, arg, name);
 }
 
 void wlapi_free_timer(struct wlapi_timer *t)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h
index dd8774717adee..27d0934e600ed 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h
@@ -131,7 +131,7 @@ void wlc_phy_shim_detach(struct phy_shim_info *physhim);
 
 /* PHY to WL utility functions */
 struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim,
-				     void (*fn)(struct brcms_phy *pi),
+				     void (*fn)(void *pi),
 				     void *arg, const char *name);
 void wlapi_free_timer(struct wlapi_timer *t);
 void wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 108/317] net: ena: Remove ena_select_queue
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (106 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 107/317] wifi: brcmsmac: avoid function pointer casts Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 109/317] ARM: dts: arm: realview: Fix development chip ROM compatible value Sasha Levin
                   ` (211 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Kamal Heib, Jacob Keller, David S . Miller, Sasha Levin

From: Kamal Heib <kheib@redhat.com>

[ Upstream commit 78e886ba2b549945ecada055ee0765f0ded5707a ]

Avoid the following warnings by removing the ena_select_queue() function
and rely on the net core to do the queue selection, The issue happen
when an skb received from an interface with more queues than ena is
forwarded to the ena interface.

[ 1176.159959] eth0 selects TX queue 11, but real number of TX queues is 8
[ 1176.863976] eth0 selects TX queue 14, but real number of TX queues is 8
[ 1180.767877] eth0 selects TX queue 14, but real number of TX queues is 8
[ 1188.703742] eth0 selects TX queue 14, but real number of TX queues is 8

Fixes: 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Kamal Heib <kheib@redhat.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/amazon/ena/ena_netdev.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 7d4b862be783d..43c099141e211 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -3187,22 +3187,6 @@ static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	return NETDEV_TX_OK;
 }
 
-static u16 ena_select_queue(struct net_device *dev, struct sk_buff *skb,
-			    struct net_device *sb_dev)
-{
-	u16 qid;
-	/* we suspect that this is good for in--kernel network services that
-	 * want to loop incoming skb rx to tx in normal user generated traffic,
-	 * most probably we will not get to this
-	 */
-	if (skb_rx_queue_recorded(skb))
-		qid = skb_get_rx_queue(skb);
-	else
-		qid = netdev_pick_tx(dev, skb, NULL);
-
-	return qid;
-}
-
 static void ena_config_host_info(struct ena_com_dev *ena_dev, struct pci_dev *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -3372,7 +3356,6 @@ static const struct net_device_ops ena_netdev_ops = {
 	.ndo_open		= ena_open,
 	.ndo_stop		= ena_close,
 	.ndo_start_xmit		= ena_start_xmit,
-	.ndo_select_queue	= ena_select_queue,
 	.ndo_get_stats64	= ena_get_stats64,
 	.ndo_tx_timeout		= ena_tx_timeout,
 	.ndo_change_mtu		= ena_change_mtu,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 109/317] ARM: dts: arm: realview: Fix development chip ROM compatible value
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (107 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 108/317] net: ena: Remove ena_select_queue Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values Sasha Levin
                   ` (210 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Geert Uytterhoeven, Linus Walleij, Sasha Levin

From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit 3baa4c5143d65ebab2de0d99a395e5f4f1f46608 ]

When the development chip ROM was added, the "direct-mapped" compatible
value was already obsolete.  In addition, the device node lacked the
accompanying "probe-type" property, causing the old physmap_of_core
driver to fall back to trying all available probe types.
Unfortunately this fallback was lost when the DT and pdata cases were
merged.

Fix this by using the modern "mtd-rom" compatible value instead.

Fixes: 5c3f5edbe0a1dff3 ("ARM: realview: add flash devices to the PB1176 DTS")
Fixes: 642b1e8dbed7bbbf ("mtd: maps: Merge physmap_of.c into physmap-core.c")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/arm-realview-pb1176.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm-realview-pb1176.dts
index 366687fb1ee39..e794a4bb8f1f2 100644
--- a/arch/arm/boot/dts/arm-realview-pb1176.dts
+++ b/arch/arm/boot/dts/arm-realview-pb1176.dts
@@ -435,7 +435,7 @@ pb1176_serial3: serial@1010f000 {
 
 		/* Direct-mapped development chip ROM */
 		pb1176_rom@10200000 {
-			compatible = "direct-mapped";
+			compatible = "mtd-rom";
 			reg = <0x10200000 0x4000>;
 			bank-width = <1>;
 		};
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (108 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 109/317] ARM: dts: arm: realview: Fix development chip ROM compatible value Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-25  8:43   ` Geert Uytterhoeven
  2024-04-02  8:57   ` Geert Uytterhoeven
  2024-03-24 23:31 ` [PATCH 5.15 111/317] arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes Sasha Levin
                   ` (209 subsequent siblings)
  319 siblings, 2 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Geert Uytterhoeven, Wolfram Sang, Sasha Levin

From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit a1721bbbdb5c6687d157f8b8714bba837f6028ac ]

Despite the name, R-Car V3U is the first member of the R-Car Gen4
family.  Hence update the compatible properties in various device nodes
to include family-specific compatible values for R-Car Gen4 instead of
R-Car Gen3:
  - DMAC,
  - (H)SCIF,
  - I2C,
  - IPMMU,
  - WDT.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/73cea9d5e1a6639422c67e4df4285042e31c9fd5.1651497071.git.geert+renesas@glider.be
Stable-dep-of: 0c51912331f8 ("arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 24 +++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
index 26899fb768a73..c7d1b79692c11 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
@@ -583,7 +583,7 @@ hscif3: serial@e66a0000 {
 
 		avb0: ethernet@e6800000 {
 			compatible = "renesas,etheravb-r8a779a0",
-				     "renesas,etheravb-rcar-gen3";
+				     "renesas,etheravb-rcar-gen4";
 			reg = <0 0xe6800000 0 0x800>;
 			interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>,
@@ -631,7 +631,7 @@ avb0: ethernet@e6800000 {
 
 		avb1: ethernet@e6810000 {
 			compatible = "renesas,etheravb-r8a779a0",
-				     "renesas,etheravb-rcar-gen3";
+				     "renesas,etheravb-rcar-gen4";
 			reg = <0 0xe6810000 0 0x800>;
 			interrupts = <GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
@@ -679,7 +679,7 @@ avb1: ethernet@e6810000 {
 
 		avb2: ethernet@e6820000 {
 			compatible = "renesas,etheravb-r8a779a0",
-				     "renesas,etheravb-rcar-gen3";
+				     "renesas,etheravb-rcar-gen4";
 			reg = <0 0xe6820000 0 0x1000>;
 			interrupts = <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>,
 					<GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
@@ -727,7 +727,7 @@ avb2: ethernet@e6820000 {
 
 		avb3: ethernet@e6830000 {
 			compatible = "renesas,etheravb-r8a779a0",
-				     "renesas,etheravb-rcar-gen3";
+				     "renesas,etheravb-rcar-gen4";
 			reg = <0 0xe6830000 0 0x1000>;
 			interrupts = <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>,
 					<GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>,
@@ -775,7 +775,7 @@ avb3: ethernet@e6830000 {
 
 		avb4: ethernet@e6840000 {
 			compatible = "renesas,etheravb-r8a779a0",
-				     "renesas,etheravb-rcar-gen3";
+				     "renesas,etheravb-rcar-gen4";
 			reg = <0 0xe6840000 0 0x1000>;
 			interrupts = <GIC_SPI 356 IRQ_TYPE_LEVEL_HIGH>,
 					<GIC_SPI 357 IRQ_TYPE_LEVEL_HIGH>,
@@ -823,7 +823,7 @@ avb4: ethernet@e6840000 {
 
 		avb5: ethernet@e6850000 {
 			compatible = "renesas,etheravb-r8a779a0",
-				     "renesas,etheravb-rcar-gen3";
+				     "renesas,etheravb-rcar-gen4";
 			reg = <0 0xe6850000 0 0x1000>;
 			interrupts = <GIC_SPI 381 IRQ_TYPE_LEVEL_HIGH>,
 					<GIC_SPI 382 IRQ_TYPE_LEVEL_HIGH>,
@@ -935,7 +935,7 @@ scif4: serial@e6c40000 {
 
 		msiof0: spi@e6e90000 {
 			compatible = "renesas,msiof-r8a779a0",
-				     "renesas,rcar-gen3-msiof";
+				     "renesas,rcar-gen4-msiof";
 			reg = <0 0xe6e90000 0 0x0064>;
 			interrupts = <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 618>;
@@ -950,7 +950,7 @@ msiof0: spi@e6e90000 {
 
 		msiof1: spi@e6ea0000 {
 			compatible = "renesas,msiof-r8a779a0",
-				     "renesas,rcar-gen3-msiof";
+				     "renesas,rcar-gen4-msiof";
 			reg = <0 0xe6ea0000 0 0x0064>;
 			interrupts = <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 619>;
@@ -965,7 +965,7 @@ msiof1: spi@e6ea0000 {
 
 		msiof2: spi@e6c00000 {
 			compatible = "renesas,msiof-r8a779a0",
-				     "renesas,rcar-gen3-msiof";
+				     "renesas,rcar-gen4-msiof";
 			reg = <0 0xe6c00000 0 0x0064>;
 			interrupts = <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 620>;
@@ -980,7 +980,7 @@ msiof2: spi@e6c00000 {
 
 		msiof3: spi@e6c10000 {
 			compatible = "renesas,msiof-r8a779a0",
-				     "renesas,rcar-gen3-msiof";
+				     "renesas,rcar-gen4-msiof";
 			reg = <0 0xe6c10000 0 0x0064>;
 			interrupts = <GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 621>;
@@ -995,7 +995,7 @@ msiof3: spi@e6c10000 {
 
 		msiof4: spi@e6c20000 {
 			compatible = "renesas,msiof-r8a779a0",
-				     "renesas,rcar-gen3-msiof";
+				     "renesas,rcar-gen4-msiof";
 			reg = <0 0xe6c20000 0 0x0064>;
 			interrupts = <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 622>;
@@ -1010,7 +1010,7 @@ msiof4: spi@e6c20000 {
 
 		msiof5: spi@e6c28000 {
 			compatible = "renesas,msiof-r8a779a0",
-				     "renesas,rcar-gen3-msiof";
+				     "renesas,rcar-gen4-msiof";
 			reg = <0 0xe6c28000 0 0x0064>;
 			interrupts = <GIC_SPI 250 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 623>;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 111/317] arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (109 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 112/317] ARM: dts: imx6dl-yapp4: Move phy reset into switch node Sasha Levin
                   ` (208 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Geert Uytterhoeven, Sasha Levin

From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit 0c51912331f8ba5ce5fb52f46e340945160672a3 ]

All Ethernet AVB instances on R-Car V3U have registers related to UDP/IP
support, but the declared register blocks for the first two instances
are too small to cover them.

Fix this by extending the register block sizes.

Fixes: 5a633320f08b8c9b ("arm64: dts: renesas: r8a779a0: Add Ethernet-AVB support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/ce6ce3c4b1495e02e7c1803fca810a7178a84500.1707660323.git.geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
index c7d1b79692c11..ed71a10d023ee 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
@@ -584,7 +584,7 @@ hscif3: serial@e66a0000 {
 		avb0: ethernet@e6800000 {
 			compatible = "renesas,etheravb-r8a779a0",
 				     "renesas,etheravb-rcar-gen4";
-			reg = <0 0xe6800000 0 0x800>;
+			reg = <0 0xe6800000 0 0x1000>;
 			interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH>,
@@ -632,7 +632,7 @@ avb0: ethernet@e6800000 {
 		avb1: ethernet@e6810000 {
 			compatible = "renesas,etheravb-r8a779a0",
 				     "renesas,etheravb-rcar-gen4";
-			reg = <0 0xe6810000 0 0x800>;
+			reg = <0 0xe6810000 0 0x1000>;
 			interrupts = <GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 112/317] ARM: dts: imx6dl-yapp4: Move phy reset into switch node
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (110 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 111/317] arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 113/317] ARM: dts: imx6dl-yapp4: Fix typo in the QCA switch register address Sasha Levin
                   ` (207 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Michal Vokáč, Shawn Guo, Sasha Levin

From: Michal Vokáč <michal.vokac@ysoft.com>

[ Upstream commit 7da7b84fee58c85a6075022023d31edea40e81a1 ]

Drop the phy-reset-duration and phy-reset-gpios deprecated properties and
move reset-gpios under the switch node.

Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Stable-dep-of: 023bd910d3ab ("ARM: dts: imx6dl-yapp4: Fix typo in the QCA switch register address")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx6dl-yapp4-common.dtsi | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
index e5c4dc65fbabf..844f31f7c4114 100644
--- a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
+++ b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
@@ -105,8 +105,6 @@ &fec {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_enet>;
 	phy-mode = "rgmii-id";
-	phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
-	phy-reset-duration = <20>;
 	phy-supply = <&sw2_reg>;
 	status = "okay";
 
@@ -130,6 +128,7 @@ phy_port3: phy@2 {
 		switch@10 {
 			compatible = "qca,qca8334";
 			reg = <10>;
+			reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
 
 			switch_ports: ports {
 				#address-cells = <1>;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 113/317] ARM: dts: imx6dl-yapp4: Fix typo in the QCA switch register address
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (111 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 112/317] ARM: dts: imx6dl-yapp4: Move phy reset into switch node Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 114/317] ARM: dts: imx6dl-yapp4: Move the internal switch PHYs under the switch node Sasha Levin
                   ` (206 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Michal Vokáč, Andrew Lunn, Shawn Guo, Sasha Levin

From: Michal Vokáč <michal.vokac@ysoft.com>

[ Upstream commit 023bd910d3ab735459f84b22bb99fb9e00bd9d76 ]

This change does not have any functional effect. The switch works just
fine without this patch as it has full access to all the addresses
on the bus. This is simply a clean-up to set the node name address
and reg address to the same value.

Fixes: 15b43e497ffd ("ARM: dts: imx6dl-yapp4: Use correct pseudo PHY address for the switch")
Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx6dl-yapp4-common.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
index 844f31f7c4114..76da90e858045 100644
--- a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
+++ b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
@@ -127,7 +127,7 @@ phy_port3: phy@2 {
 
 		switch@10 {
 			compatible = "qca,qca8334";
-			reg = <10>;
+			reg = <0x10>;
 			reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
 
 			switch_ports: ports {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 114/317] ARM: dts: imx6dl-yapp4: Move the internal switch PHYs under the switch node
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (112 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 113/317] ARM: dts: imx6dl-yapp4: Fix typo in the QCA switch register address Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 115/317] arm64: dts: marvell: reorder crypto interrupts on Armada SoCs Sasha Levin
                   ` (205 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Michal Vokáč, Shawn Guo, Sasha Levin

From: Michal Vokáč <michal.vokac@ysoft.com>

[ Upstream commit 79978bff2e4b8e05ebdf5fc3ee6b794002393484 ]

We identified that the PHYs actually do not work since commit 7da7b84fee58
("ARM: dts: imx6dl-yapp4: Move phy reset into switch node") as
a coincidence of several circumstances.

The reset signal is kept asserted by a pull-down resistor on the board
unless it is deasserted by GPIO from the SoC. This is to keep the switch
dead until it is configured properly by the kernel and user space.

Prior to the referenced commit the switch was reset by the FEC driver
and the reset GPIO was actively deasserted. The mdio-bus was scanned
and the attached switch and its PHYs were found and configured.

With the referenced commit the switch is reset by the qca8k driver.
Because of another bug in the qca8k driver, functionality of the reset
pin depends on its pre-kernel configuration. See commit c44fc98f0a8f
("net: dsa: qca8k: fix illegal usage of GPIO")

The problem did not appear until we removed support for the switch
and configuration of its reset pin from the bootloader.

To fix that, properly describe the internal mdio-bus configuration of
the qca8334 switch. The PHYs are internal to the switch and sit on its
internal mdio-bus.

Fixes: 7da7b84fee58 ("ARM: dts: imx6dl-yapp4: Move phy reset into switch node")
Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/imx6dl-yapp4-common.dtsi | 23 ++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
index 76da90e858045..69ad1f198fa71 100644
--- a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
+++ b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi
@@ -117,14 +117,6 @@ mdio {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		phy_port2: phy@1 {
-			reg = <1>;
-		};
-
-		phy_port3: phy@2 {
-			reg = <2>;
-		};
-
 		switch@10 {
 			compatible = "qca,qca8334";
 			reg = <0x10>;
@@ -149,15 +141,30 @@ fixed-link {
 				eth2: port@2 {
 					reg = <2>;
 					label = "eth2";
+					phy-mode = "internal";
 					phy-handle = <&phy_port2>;
 				};
 
 				eth1: port@3 {
 					reg = <3>;
 					label = "eth1";
+					phy-mode = "internal";
 					phy-handle = <&phy_port3>;
 				};
 			};
+
+			mdio {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				phy_port2: ethernet-phy@1 {
+					reg = <1>;
+				};
+
+				phy_port3: ethernet-phy@2 {
+					reg = <2>;
+				};
+			};
 		};
 	};
 };
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 115/317] arm64: dts: marvell: reorder crypto interrupts on Armada SoCs
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (113 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 114/317] ARM: dts: imx6dl-yapp4: Move the internal switch PHYs under the switch node Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 116/317] ACPI: resource: Add Infinity laptops to irq1_edge_low_force_override Sasha Levin
                   ` (204 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Rafał Miłecki, Gregory CLEMENT, Sasha Levin

From: Rafał Miłecki <rafal@milecki.pl>

[ Upstream commit ec55a22149d64f9ac41845d923b884d4a666bf4d ]

Match order specified in binding documentation. It says "mem" should be
the last interrupt.

This fixes:
arch/arm64/boot/dts/marvell/armada-3720-db.dtb: crypto@90000: interrupt-names:0: 'ring0' was expected
        from schema $id: http://devicetree.org/schemas/crypto/inside-secure,safexcel.yaml#
arch/arm64/boot/dts/marvell/armada-3720-db.dtb: crypto@90000: interrupt-names:1: 'ring1' was expected
        from schema $id: http://devicetree.org/schemas/crypto/inside-secure,safexcel.yaml#
arch/arm64/boot/dts/marvell/armada-3720-db.dtb: crypto@90000: interrupt-names:2: 'ring2' was expected
        from schema $id: http://devicetree.org/schemas/crypto/inside-secure,safexcel.yaml#
arch/arm64/boot/dts/marvell/armada-3720-db.dtb: crypto@90000: interrupt-names:3: 'ring3' was expected
        from schema $id: http://devicetree.org/schemas/crypto/inside-secure,safexcel.yaml#
arch/arm64/boot/dts/marvell/armada-3720-db.dtb: crypto@90000: interrupt-names:4: 'eip' was expected
        from schema $id: http://devicetree.org/schemas/crypto/inside-secure,safexcel.yaml#
arch/arm64/boot/dts/marvell/armada-3720-db.dtb: crypto@90000: interrupt-names:5: 'mem' was expected
        from schema $id: http://devicetree.org/schemas/crypto/inside-secure,safexcel.yaml#

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/marvell/armada-37xx.dtsi  | 10 +++++-----
 arch/arm64/boot/dts/marvell/armada-cp11x.dtsi | 10 +++++-----
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
index 0adc194e46d15..9d147af115831 100644
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -414,14 +414,14 @@ xor11 {
 			crypto: crypto@90000 {
 				compatible = "inside-secure,safexcel-eip97ies";
 				reg = <0x90000 0x20000>;
-				interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
-					     <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
+				interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
-					     <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
-				interrupt-names = "mem", "ring0", "ring1",
-						  "ring2", "ring3", "eip";
+					     <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "ring0", "ring1", "ring2",
+						  "ring3", "eip", "mem";
 				clocks = <&nb_periph_clk 15>;
 			};
 
diff --git a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
index 3bd2182817fb8..408fc9bfc9627 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
@@ -506,14 +506,14 @@ CP11X_LABEL(sdhci0): sdhci@780000 {
 		CP11X_LABEL(crypto): crypto@800000 {
 			compatible = "inside-secure,safexcel-eip197b";
 			reg = <0x800000 0x200000>;
-			interrupts = <87 IRQ_TYPE_LEVEL_HIGH>,
-				<88 IRQ_TYPE_LEVEL_HIGH>,
+			interrupts = <88 IRQ_TYPE_LEVEL_HIGH>,
 				<89 IRQ_TYPE_LEVEL_HIGH>,
 				<90 IRQ_TYPE_LEVEL_HIGH>,
 				<91 IRQ_TYPE_LEVEL_HIGH>,
-				<92 IRQ_TYPE_LEVEL_HIGH>;
-			interrupt-names = "mem", "ring0", "ring1",
-				"ring2", "ring3", "eip";
+				<92 IRQ_TYPE_LEVEL_HIGH>,
+				<87 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "ring0", "ring1", "ring2", "ring3",
+					  "eip", "mem";
 			clock-names = "core", "reg";
 			clocks = <&CP11X_LABEL(clk) 1 26>,
 				 <&CP11X_LABEL(clk) 1 17>;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 116/317] ACPI: resource: Add Infinity laptops to irq1_edge_low_force_override
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (114 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 115/317] arm64: dts: marvell: reorder crypto interrupts on Armada SoCs Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 117/317] ACPI: resource: Do IRQ override on Lunnen Ground laptops Sasha Levin
                   ` (203 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: David McFarland, Rafael J . Wysocki, Sasha Levin

From: David McFarland <corngood@gmail.com>

[ Upstream commit e2605d4039a42a03000856b3229932455717b48b ]

A user reported a keyboard problem similar to ones reported with other
Zen laptops, on an Infinity E15-5A165-BM.

Add board name matches for this model and one (untested) close relative
to irq1_edge_low_force_override.

Link: https://lemmy.ml/post/9864736
Link: https://www.infinitygaming.com.au/bios/
Link: https://lore.kernel.org/linux-acpi/20231006123304.32686-1-hdegoede@redhat.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Stable-dep-of: 021a67d09615 ("ACPI: resource: Add MAIBENBEN X577 to irq1_edge_low_force_override")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/resource.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index a364cb07c5578..16a18654f6879 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -546,6 +546,18 @@ static const struct dmi_system_id lg_laptop[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "17U70P"),
 		},
 	},
+	{
+		/* Infinity E15-5A165-BM */
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "GM5RG1E0009COM"),
+		},
+	},
+	{
+		/* Infinity E15-5A305-1M */
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "GM5RGEE0016COM"),
+		},
+	},
 	{ }
 };
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 117/317] ACPI: resource: Do IRQ override on Lunnen Ground laptops
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (115 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 116/317] ACPI: resource: Add Infinity laptops to irq1_edge_low_force_override Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 118/317] ACPI: resource: Add MAIBENBEN X577 to irq1_edge_low_force_override Sasha Levin
                   ` (202 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Alexey I. Froloff, Rafael J . Wysocki, Sasha Levin

From: "Alexey I. Froloff" <raorn@raorn.name>

[ Upstream commit e23ad54fef186aa66007895be1382c88f1ee2bf7 ]

The Lunnen Ground 15 and 16 needs IRQ overriding for the keyboard to
work.

Adding an entries for these laptops to the override_table makes the
internal keyboard functional.

Signed-off-by: Alexey I. Froloff <raorn@raorn.name>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Stable-dep-of: 021a67d09615 ("ACPI: resource: Add MAIBENBEN X577 to irq1_edge_low_force_override")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/resource.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 16a18654f6879..a46e0bf0e1dc4 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -558,6 +558,20 @@ static const struct dmi_system_id lg_laptop[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "GM5RGEE0016COM"),
 		},
 	},
+	{
+		/* Lunnen Ground 15 / AMD Ryzen 5 5500U */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Lunnen"),
+			DMI_MATCH(DMI_BOARD_NAME, "LLL5DAW"),
+		},
+	},
+	{
+		/* Lunnen Ground 16 / AMD Ryzen 7 5800U */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Lunnen"),
+			DMI_MATCH(DMI_BOARD_NAME, "LL6FA"),
+		},
+	},
 	{ }
 };
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 118/317] ACPI: resource: Add MAIBENBEN X577 to irq1_edge_low_force_override
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (116 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 117/317] ACPI: resource: Do IRQ override on Lunnen Ground laptops Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 119/317] ACPI: scan: Fix device check notification handling Sasha Levin
                   ` (201 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Maxim Kudinov, Maxim Trofimov, Rafael J . Wysocki, Sasha Levin

From: Maxim Kudinov <m.kudinovv@gmail.com>

[ Upstream commit 021a67d096154893cd1d883c7be0097e2ee327fd ]

A known issue on some Zen laptops, keyboard stopped working due to commit
9946e39fe8d0 fael@kernel.org("ACPI: resource: skip IRQ override on AMD
Zen platforms") on kernel 5.19.10.

The ACPI IRQ override is required for this board due to buggy DSDT, thus
adding the board vendor and name to irq1_edge_low_force_override fixes
the issue.

Fixes: 9946e39fe8d0 ("ACPI: resource: skip IRQ override on AMD Zen platforms")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217394
Link: https://lore.kernel.org/linux-acpi/20231006123304.32686-1-hdegoede@redhat.com/
Tested-by: Maxim Trofimov <maxvereschagin@gmail.com>
Signed-off-by: Maxim Kudinov <m.kudinovv@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/resource.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index a46e0bf0e1dc4..0f533aff23a17 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -572,6 +572,13 @@ static const struct dmi_system_id lg_laptop[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "LL6FA"),
 		},
 	},
+	{
+		/* MAIBENBEN X577 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "MAIBENBEN"),
+			DMI_MATCH(DMI_BOARD_NAME, "X577"),
+		},
+	},
 	{ }
 };
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 119/317] ACPI: scan: Fix device check notification handling
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (117 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 118/317] ACPI: resource: Add MAIBENBEN X577 to irq1_edge_low_force_override Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 120/317] x86, relocs: Ignore relocations in .notes section Sasha Levin
                   ` (200 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Rafael J. Wysocki, Jonathan Cameron, Sasha Levin

From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>

[ Upstream commit 793551c965116d9dfaf0550dacae1396a20efa69 ]

It is generally invalid to fail a Device Check notification if the scan
handler has not been attached to the given device after a bus rescan,
because there may be valid reasons for the scan handler to refuse
attaching to the device (for example, the device is not ready).

For this reason, modify acpi_scan_device_check() to return 0 in that
case without printing a warning.

While at it, reduce the log level of the "already enumerated" message
in the same function, because it is only interesting when debugging
notification handling

Fixes: 443fc8202272 ("ACPI / hotplug: Rework generic code to handle suprise removals")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/scan.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index ae74720888dbf..2393cd993b3cb 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -315,18 +315,14 @@ static int acpi_scan_device_check(struct acpi_device *adev)
 		 * again).
 		 */
 		if (adev->handler) {
-			dev_warn(&adev->dev, "Already enumerated\n");
-			return -EALREADY;
+			dev_dbg(&adev->dev, "Already enumerated\n");
+			return 0;
 		}
 		error = acpi_bus_scan(adev->handle);
 		if (error) {
 			dev_warn(&adev->dev, "Namespace scan failure\n");
 			return error;
 		}
-		if (!adev->handler) {
-			dev_warn(&adev->dev, "Enumeration failure\n");
-			error = -ENODEV;
-		}
 	} else {
 		error = acpi_scan_device_not_present(adev);
 	}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 120/317] x86, relocs: Ignore relocations in .notes section
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (118 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 119/317] ACPI: scan: Fix device check notification handling Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 121/317] SUNRPC: fix some memleaks in gssx_dec_option_array Sasha Levin
                   ` (199 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kees Cook, Guixiong Wei, Juergen Gross, Sasha Levin

From: Kees Cook <keescook@chromium.org>

[ Upstream commit aaa8736370db1a78f0e8434344a484f9fd20be3b ]

When building with CONFIG_XEN_PV=y, .text symbols are emitted into
the .notes section so that Xen can find the "startup_xen" entry point.
This information is used prior to booting the kernel, so relocations
are not useful. In fact, performing relocations against the .notes
section means that the KASLR base is exposed since /sys/kernel/notes
is world-readable.

To avoid leaking the KASLR base without breaking unprivileged tools that
are expecting to read /sys/kernel/notes, skip performing relocations in
the .notes section. The values readable in .notes are then identical to
those found in System.map.

Reported-by: Guixiong Wei <guixiongwei@gmail.com>
Closes: https://lore.kernel.org/all/20240218073501.54555-1-guixiongwei@gmail.com/
Fixes: 5ead97c84fa7 ("xen: Core Xen implementation")
Fixes: da1a679cde9b ("Add /sys/kernel/notes")
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/tools/relocs.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index 27c82207d3878..3167228ca1746 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -599,6 +599,14 @@ static void print_absolute_relocs(void)
 		if (!(sec_applies->shdr.sh_flags & SHF_ALLOC)) {
 			continue;
 		}
+		/*
+		 * Do not perform relocations in .notes section; any
+		 * values there are meant for pre-boot consumption (e.g.
+		 * startup_xen).
+		 */
+		if (sec_applies->shdr.sh_type == SHT_NOTE) {
+			continue;
+		}
 		sh_symtab  = sec_symtab->symtab;
 		sym_strtab = sec_symtab->link->strtab;
 		for (j = 0; j < sec->shdr.sh_size/sizeof(Elf_Rel); j++) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 121/317] SUNRPC: fix some memleaks in gssx_dec_option_array
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (119 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 120/317] x86, relocs: Ignore relocations in .notes section Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 122/317] mmc: wmt-sdmmc: remove an incorrect release_mem_region() call in the .remove function Sasha Levin
                   ` (198 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhipeng Lu, Chuck Lever, Sasha Levin

From: Zhipeng Lu <alexious@zju.edu.cn>

[ Upstream commit 3cfcfc102a5e57b021b786a755a38935e357797d ]

The creds and oa->data need to be freed in the error-handling paths after
their allocation. So this patch add these deallocations in the
corresponding paths.

Fixes: 1d658336b05f ("SUNRPC: Add RPC based upcall mechanism for RPCGSS auth")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/sunrpc/auth_gss/gss_rpc_xdr.c | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index d79f12c2550ac..cb32ab9a83952 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -250,8 +250,8 @@ static int gssx_dec_option_array(struct xdr_stream *xdr,
 
 	creds = kzalloc(sizeof(struct svc_cred), GFP_KERNEL);
 	if (!creds) {
-		kfree(oa->data);
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto free_oa;
 	}
 
 	oa->data[0].option.data = CREDS_VALUE;
@@ -265,29 +265,40 @@ static int gssx_dec_option_array(struct xdr_stream *xdr,
 
 		/* option buffer */
 		p = xdr_inline_decode(xdr, 4);
-		if (unlikely(p == NULL))
-			return -ENOSPC;
+		if (unlikely(p == NULL)) {
+			err = -ENOSPC;
+			goto free_creds;
+		}
 
 		length = be32_to_cpup(p);
 		p = xdr_inline_decode(xdr, length);
-		if (unlikely(p == NULL))
-			return -ENOSPC;
+		if (unlikely(p == NULL)) {
+			err = -ENOSPC;
+			goto free_creds;
+		}
 
 		if (length == sizeof(CREDS_VALUE) &&
 		    memcmp(p, CREDS_VALUE, sizeof(CREDS_VALUE)) == 0) {
 			/* We have creds here. parse them */
 			err = gssx_dec_linux_creds(xdr, creds);
 			if (err)
-				return err;
+				goto free_creds;
 			oa->data[0].value.len = 1; /* presence */
 		} else {
 			/* consume uninteresting buffer */
 			err = gssx_dec_buffer(xdr, &dummy);
 			if (err)
-				return err;
+				goto free_creds;
 		}
 	}
 	return 0;
+
+free_creds:
+	kfree(creds);
+free_oa:
+	kfree(oa->data);
+	oa->data = NULL;
+	return err;
 }
 
 static int gssx_dec_status(struct xdr_stream *xdr,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 122/317] mmc: wmt-sdmmc: remove an incorrect release_mem_region() call in the .remove function
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (120 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 121/317] SUNRPC: fix some memleaks in gssx_dec_option_array Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 123/317] wifi: rtw88: 8821c: Fix false alarm count Sasha Levin
                   ` (197 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Ulf Hansson, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit ae5004a40a262d329039b99b62bd3fe7645b66ad ]

This looks strange to call release_mem_region() in a remove function
without any request_mem_region() in the probe or "struct resource"
somewhere.

So remove the corresponding code.

Fixes: 3a96dff0f828 ("mmc: SD/MMC Host Controller for Wondermedia WM8505/WM8650")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/bb0bb1ed1e18de55e8c0547625bde271e64b8c31.1708983064.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mmc/host/wmt-sdmmc.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c
index 3933195488575..3fcc81e48ad66 100644
--- a/drivers/mmc/host/wmt-sdmmc.c
+++ b/drivers/mmc/host/wmt-sdmmc.c
@@ -889,7 +889,6 @@ static int wmt_mci_remove(struct platform_device *pdev)
 {
 	struct mmc_host *mmc;
 	struct wmt_mci_priv *priv;
-	struct resource *res;
 	u32 reg_tmp;
 
 	mmc = platform_get_drvdata(pdev);
@@ -917,9 +916,6 @@ static int wmt_mci_remove(struct platform_device *pdev)
 	clk_disable_unprepare(priv->clk_sdmmc);
 	clk_put(priv->clk_sdmmc);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(res->start, resource_size(res));
-
 	mmc_free_host(mmc);
 
 	dev_info(&pdev->dev, "WMT MCI device removed\n");
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 123/317] wifi: rtw88: 8821c: Fix false alarm count
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (121 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 122/317] mmc: wmt-sdmmc: remove an incorrect release_mem_region() call in the .remove function Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 124/317] PCI: Make pci_dev_is_disconnected() helper public for other drivers Sasha Levin
                   ` (196 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Bitterblue Smith, Ping-Ke Shih, Kalle Valo, Sasha Levin

From: Bitterblue Smith <rtl8821cerfe2@gmail.com>

[ Upstream commit c238adbc578eeb70cbc8fdd1bef3666b0f585b13 ]

total_fa_cnt is supposed to include cck_fa_cnt and ofdm_fa_cnt, not just
ofdm_fa_cnt.

Fixes: 960361238b86 ("rtw88: 8821c: add false alarm statistics")
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/f3cb6d17-e4e4-44a7-9c9b-72aed994b5c9@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/realtek/rtw88/rtw8821c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index 280602a34fe67..eb66f494382ae 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -667,9 +667,9 @@ static void rtw8821c_false_alarm_statistics(struct rtw_dev *rtwdev)
 
 	dm_info->cck_fa_cnt = cck_fa_cnt;
 	dm_info->ofdm_fa_cnt = ofdm_fa_cnt;
+	dm_info->total_fa_cnt = ofdm_fa_cnt;
 	if (cck_enable)
 		dm_info->total_fa_cnt += cck_fa_cnt;
-	dm_info->total_fa_cnt = ofdm_fa_cnt;
 
 	crc32_cnt = rtw_read32(rtwdev, REG_CRC_CCK);
 	dm_info->cck_ok_cnt = FIELD_GET(GENMASK(15, 0), crc32_cnt);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 124/317] PCI: Make pci_dev_is_disconnected() helper public for other drivers
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (122 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 123/317] wifi: rtw88: 8821c: Fix false alarm count Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 125/317] iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected Sasha Levin
                   ` (195 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ethan Zhao, Bjorn Helgaas, Dan Carpenter, Haorong Ye, Lu Baolu,
	Joerg Roedel, Sasha Levin

From: Ethan Zhao <haifeng.zhao@linux.intel.com>

[ Upstream commit 39714fd73c6b60a8d27bcc5b431afb0828bf4434 ]

Make pci_dev_is_disconnected() public so that it can be called from
Intel VT-d driver to quickly fix/workaround the surprise removal
unplug hang issue for those ATS capable devices on PCIe switch downstream
hotplug capable ports.

Beside pci_device_is_present() function, this one has no config space
space access, so is light enough to optimize the normal pure surprise
removal and safe removal flow.

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Tested-by: Haorong Ye <yehaorong@bytedance.com>
Signed-off-by: Ethan Zhao <haifeng.zhao@linux.intel.com>
Link: https://lore.kernel.org/r/20240301080727.3529832-2-haifeng.zhao@linux.intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Stable-dep-of: 4fc82cd907ac ("iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pci/pci.h   | 5 -----
 include/linux/pci.h | 5 +++++
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 2b5337980da7d..ec968b14aa2a2 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -395,11 +395,6 @@ static inline int pci_dev_set_disconnected(struct pci_dev *dev, void *unused)
 	return 0;
 }
 
-static inline bool pci_dev_is_disconnected(const struct pci_dev *dev)
-{
-	return dev->error_state == pci_channel_io_perm_failure;
-}
-
 /* pci_dev priv_flags */
 #define PCI_DEV_ADDED 0
 #define PCI_DPC_RECOVERED 1
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 99dfb8c1993a6..08d26b58f95ca 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2284,6 +2284,11 @@ static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
 	return NULL;
 }
 
+static inline bool pci_dev_is_disconnected(const struct pci_dev *dev)
+{
+	return dev->error_state == pci_channel_io_perm_failure;
+}
+
 void pci_request_acs(void);
 bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags);
 bool pci_acs_path_enabled(struct pci_dev *start,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 125/317] iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (123 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 124/317] PCI: Make pci_dev_is_disconnected() helper public for other drivers Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 126/317] igb: move PEROUT and EXTTS isr logic to separate functions Sasha Levin
                   ` (194 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ethan Zhao, Dan Carpenter, Haorong Ye, Lu Baolu, Joerg Roedel,
	Sasha Levin

From: Ethan Zhao <haifeng.zhao@linux.intel.com>

[ Upstream commit 4fc82cd907ac075648789cc3a00877778aa1838b ]

For those endpoint devices connect to system via hotplug capable ports,
users could request a hot reset to the device by flapping device's link
through setting the slot's link control register, as pciehp_ist() DLLSC
interrupt sequence response, pciehp will unload the device driver and
then power it off. thus cause an IOMMU device-TLB invalidation (Intel
VT-d spec, or ATS Invalidation in PCIe spec r6.1) request for non-existence
target device to be sent and deadly loop to retry that request after ITE
fault triggered in interrupt context.

That would cause following continuous hard lockup warning and system hang

[ 4211.433662] pcieport 0000:17:01.0: pciehp: Slot(108): Link Down
[ 4211.433664] pcieport 0000:17:01.0: pciehp: Slot(108): Card not present
[ 4223.822591] NMI watchdog: Watchdog detected hard LOCKUP on cpu 144
[ 4223.822622] CPU: 144 PID: 1422 Comm: irq/57-pciehp Kdump: loaded Tainted: G S
         OE    kernel version xxxx
[ 4223.822623] Hardware name: vendorname xxxx 666-106,
BIOS 01.01.02.03.01 05/15/2023
[ 4223.822623] RIP: 0010:qi_submit_sync+0x2c0/0x490
[ 4223.822624] Code: 48 be 00 00 00 00 00 08 00 00 49 85 74 24 20 0f 95 c1 48 8b
 57 10 83 c1 04 83 3c 1a 03 0f 84 a2 01 00 00 49 8b 04 24 8b 70 34 <40> f6 c6 1
0 74 17 49 8b 04 24 8b 80 80 00 00 00 89 c2 d3 fa 41 39
[ 4223.822624] RSP: 0018:ffffc4f074f0bbb8 EFLAGS: 00000093
[ 4223.822625] RAX: ffffc4f040059000 RBX: 0000000000000014 RCX: 0000000000000005
[ 4223.822625] RDX: ffff9f3841315800 RSI: 0000000000000000 RDI: ffff9f38401a8340
[ 4223.822625] RBP: ffff9f38401a8340 R08: ffffc4f074f0bc00 R09: 0000000000000000
[ 4223.822626] R10: 0000000000000010 R11: 0000000000000018 R12: ffff9f384005e200
[ 4223.822626] R13: 0000000000000004 R14: 0000000000000046 R15: 0000000000000004
[ 4223.822626] FS:  0000000000000000(0000) GS:ffffa237ae400000(0000)
knlGS:0000000000000000
[ 4223.822627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4223.822627] CR2: 00007ffe86515d80 CR3: 000002fd3000a001 CR4: 0000000000770ee0
[ 4223.822627] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4223.822628] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
[ 4223.822628] PKRU: 55555554
[ 4223.822628] Call Trace:
[ 4223.822628]  qi_flush_dev_iotlb+0xb1/0xd0
[ 4223.822628]  __dmar_remove_one_dev_info+0x224/0x250
[ 4223.822629]  dmar_remove_one_dev_info+0x3e/0x50
[ 4223.822629]  intel_iommu_release_device+0x1f/0x30
[ 4223.822629]  iommu_release_device+0x33/0x60
[ 4223.822629]  iommu_bus_notifier+0x7f/0x90
[ 4223.822630]  blocking_notifier_call_chain+0x60/0x90
[ 4223.822630]  device_del+0x2e5/0x420
[ 4223.822630]  pci_remove_bus_device+0x70/0x110
[ 4223.822630]  pciehp_unconfigure_device+0x7c/0x130
[ 4223.822631]  pciehp_disable_slot+0x6b/0x100
[ 4223.822631]  pciehp_handle_presence_or_link_change+0xd8/0x320
[ 4223.822631]  pciehp_ist+0x176/0x180
[ 4223.822631]  ? irq_finalize_oneshot.part.50+0x110/0x110
[ 4223.822632]  irq_thread_fn+0x19/0x50
[ 4223.822632]  irq_thread+0x104/0x190
[ 4223.822632]  ? irq_forced_thread_fn+0x90/0x90
[ 4223.822632]  ? irq_thread_check_affinity+0xe0/0xe0
[ 4223.822633]  kthread+0x114/0x130
[ 4223.822633]  ? __kthread_cancel_work+0x40/0x40
[ 4223.822633]  ret_from_fork+0x1f/0x30
[ 4223.822633] Kernel panic - not syncing: Hard LOCKUP
[ 4223.822634] CPU: 144 PID: 1422 Comm: irq/57-pciehp Kdump: loaded Tainted: G S
         OE     kernel version xxxx
[ 4223.822634] Hardware name: vendorname xxxx 666-106,
BIOS 01.01.02.03.01 05/15/2023
[ 4223.822634] Call Trace:
[ 4223.822634]  <NMI>
[ 4223.822635]  dump_stack+0x6d/0x88
[ 4223.822635]  panic+0x101/0x2d0
[ 4223.822635]  ? ret_from_fork+0x11/0x30
[ 4223.822635]  nmi_panic.cold.14+0xc/0xc
[ 4223.822636]  watchdog_overflow_callback.cold.8+0x6d/0x81
[ 4223.822636]  __perf_event_overflow+0x4f/0xf0
[ 4223.822636]  handle_pmi_common+0x1ef/0x290
[ 4223.822636]  ? __set_pte_vaddr+0x28/0x40
[ 4223.822637]  ? flush_tlb_one_kernel+0xa/0x20
[ 4223.822637]  ? __native_set_fixmap+0x24/0x30
[ 4223.822637]  ? ghes_copy_tofrom_phys+0x70/0x100
[ 4223.822637]  ? __ghes_peek_estatus.isra.16+0x49/0xa0
[ 4223.822637]  intel_pmu_handle_irq+0xba/0x2b0
[ 4223.822638]  perf_event_nmi_handler+0x24/0x40
[ 4223.822638]  nmi_handle+0x4d/0xf0
[ 4223.822638]  default_do_nmi+0x49/0x100
[ 4223.822638]  exc_nmi+0x134/0x180
[ 4223.822639]  end_repeat_nmi+0x16/0x67
[ 4223.822639] RIP: 0010:qi_submit_sync+0x2c0/0x490
[ 4223.822639] Code: 48 be 00 00 00 00 00 08 00 00 49 85 74 24 20 0f 95 c1 48 8b
 57 10 83 c1 04 83 3c 1a 03 0f 84 a2 01 00 00 49 8b 04 24 8b 70 34 <40> f6 c6 10
 74 17 49 8b 04 24 8b 80 80 00 00 00 89 c2 d3 fa 41 39
[ 4223.822640] RSP: 0018:ffffc4f074f0bbb8 EFLAGS: 00000093
[ 4223.822640] RAX: ffffc4f040059000 RBX: 0000000000000014 RCX: 0000000000000005
[ 4223.822640] RDX: ffff9f3841315800 RSI: 0000000000000000 RDI: ffff9f38401a8340
[ 4223.822641] RBP: ffff9f38401a8340 R08: ffffc4f074f0bc00 R09: 0000000000000000
[ 4223.822641] R10: 0000000000000010 R11: 0000000000000018 R12: ffff9f384005e200
[ 4223.822641] R13: 0000000000000004 R14: 0000000000000046 R15: 0000000000000004
[ 4223.822641]  ? qi_submit_sync+0x2c0/0x490
[ 4223.822642]  ? qi_submit_sync+0x2c0/0x490
[ 4223.822642]  </NMI>
[ 4223.822642]  qi_flush_dev_iotlb+0xb1/0xd0
[ 4223.822642]  __dmar_remove_one_dev_info+0x224/0x250
[ 4223.822643]  dmar_remove_one_dev_info+0x3e/0x50
[ 4223.822643]  intel_iommu_release_device+0x1f/0x30
[ 4223.822643]  iommu_release_device+0x33/0x60
[ 4223.822643]  iommu_bus_notifier+0x7f/0x90
[ 4223.822644]  blocking_notifier_call_chain+0x60/0x90
[ 4223.822644]  device_del+0x2e5/0x420
[ 4223.822644]  pci_remove_bus_device+0x70/0x110
[ 4223.822644]  pciehp_unconfigure_device+0x7c/0x130
[ 4223.822644]  pciehp_disable_slot+0x6b/0x100
[ 4223.822645]  pciehp_handle_presence_or_link_change+0xd8/0x320
[ 4223.822645]  pciehp_ist+0x176/0x180
[ 4223.822645]  ? irq_finalize_oneshot.part.50+0x110/0x110
[ 4223.822645]  irq_thread_fn+0x19/0x50
[ 4223.822646]  irq_thread+0x104/0x190
[ 4223.822646]  ? irq_forced_thread_fn+0x90/0x90
[ 4223.822646]  ? irq_thread_check_affinity+0xe0/0xe0
[ 4223.822646]  kthread+0x114/0x130
[ 4223.822647]  ? __kthread_cancel_work+0x40/0x40
[ 4223.822647]  ret_from_fork+0x1f/0x30
[ 4223.822647] Kernel Offset: 0x6400000 from 0xffffffff81000000 (relocation
range: 0xffffffff80000000-0xffffffffbfffffff)

Such issue could be triggered by all kinds of regular surprise removal
hotplug operation. like:

1. pull EP(endpoint device) out directly.
2. turn off EP's power.
3. bring the link down.
etc.

this patch aims to work for regular safe removal and surprise removal
unplug. these hot unplug handling process could be optimized for fix the
ATS Invalidation hang issue by calling pci_dev_is_disconnected() in
function devtlb_invalidation_with_pasid() to check target device state to
avoid sending meaningless ATS Invalidation request to iommu when device is
gone. (see IMPLEMENTATION NOTE in PCIe spec r6.1 section 10.3.1)

For safe removal, device wouldn't be removed until the whole software
handling process is done, it wouldn't trigger the hard lock up issue
caused by too long ATS Invalidation timeout wait. In safe removal path,
device state isn't set to pci_channel_io_perm_failure in
pciehp_unconfigure_device() by checking 'presence' parameter, calling
pci_dev_is_disconnected() in devtlb_invalidation_with_pasid() will return
false there, wouldn't break the function.

For surprise removal, device state is set to pci_channel_io_perm_failure in
pciehp_unconfigure_device(), means device is already gone (disconnected)
call pci_dev_is_disconnected() in devtlb_invalidation_with_pasid() will
return true to break the function not to send ATS Invalidation request to
the disconnected device blindly, thus avoid to trigger further ITE fault,
and ITE fault will block all invalidation request to be handled.
furthermore retry the timeout request could trigger hard lockup.

safe removal (present) & surprise removal (not present)

pciehp_ist()
   pciehp_handle_presence_or_link_change()
     pciehp_disable_slot()
       remove_board()
         pciehp_unconfigure_device(presence) {
           if (!presence)
                pci_walk_bus(parent, pci_dev_set_disconnected, NULL);
           }

this patch works for regular safe removal and surprise removal of ATS
capable endpoint on PCIe switch downstream ports.

Fixes: 6f7db75e1c46 ("iommu/vt-d: Add second level page table interface")
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Tested-by: Haorong Ye <yehaorong@bytedance.com>
Signed-off-by: Ethan Zhao <haifeng.zhao@linux.intel.com>
Link: https://lore.kernel.org/r/20240301080727.3529832-3-haifeng.zhao@linux.intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/intel/pasid.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c
index dc9d665d7365c..589b97ff5433c 100644
--- a/drivers/iommu/intel/pasid.c
+++ b/drivers/iommu/intel/pasid.c
@@ -508,6 +508,9 @@ devtlb_invalidation_with_pasid(struct intel_iommu *iommu,
 	if (!info || !info->ats_enabled)
 		return;
 
+	if (pci_dev_is_disconnected(to_pci_dev(dev)))
+		return;
+
 	sid = info->bus << 8 | info->devfn;
 	qdep = info->ats_qdep;
 	pfsid = info->pfsid;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 126/317] igb: move PEROUT and EXTTS isr logic to separate functions
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (124 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 125/317] iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 127/317] igb: Fix missing time sync events Sasha Levin
                   ` (193 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Ruud Bos, Gurucharan G, Tony Nguyen, Sasha Levin

From: Ruud Bos <kernel.hbk@gmail.com>

[ Upstream commit cf99c1dd7b7729091043374b90807c7a5f9fd9b1 ]

Remove code duplication in the tsync interrupt handler function by moving
this logic to separate functions. This keeps the interrupt handler readable
and allows the new functions to be extended for adapter types other than
i210.

Signed-off-by: Ruud Bos <kernel.hbk@gmail.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Stable-dep-of: ee14cc9ea19b ("igb: Fix missing time sync events")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/intel/igb/igb_main.c | 81 +++++++++++++----------
 1 file changed, 46 insertions(+), 35 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 7c42a99be5065..eec0ad98c445f 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -6756,12 +6756,52 @@ void igb_update_stats(struct igb_adapter *adapter)
 	}
 }
 
+static void igb_perout(struct igb_adapter *adapter, int tsintr_tt)
+{
+	int pin = ptp_find_pin(adapter->ptp_clock, PTP_PF_PEROUT, tsintr_tt);
+	struct e1000_hw *hw = &adapter->hw;
+	struct timespec64 ts;
+	u32 tsauxc;
+
+	if (pin < 0 || pin >= IGB_N_PEROUT)
+		return;
+
+	spin_lock(&adapter->tmreg_lock);
+	ts = timespec64_add(adapter->perout[pin].start,
+			    adapter->perout[pin].period);
+	/* u32 conversion of tv_sec is safe until y2106 */
+	wr32((tsintr_tt == 1) ? E1000_TRGTTIML1 : E1000_TRGTTIML0, ts.tv_nsec);
+	wr32((tsintr_tt == 1) ? E1000_TRGTTIMH1 : E1000_TRGTTIMH0, (u32)ts.tv_sec);
+	tsauxc = rd32(E1000_TSAUXC);
+	tsauxc |= TSAUXC_EN_TT0;
+	wr32(E1000_TSAUXC, tsauxc);
+	adapter->perout[pin].start = ts;
+	spin_unlock(&adapter->tmreg_lock);
+}
+
+static void igb_extts(struct igb_adapter *adapter, int tsintr_tt)
+{
+	int pin = ptp_find_pin(adapter->ptp_clock, PTP_PF_EXTTS, tsintr_tt);
+	struct e1000_hw *hw = &adapter->hw;
+	struct ptp_clock_event event;
+	u32 sec, nsec;
+
+	if (pin < 0 || pin >= IGB_N_EXTTS)
+		return;
+
+	nsec = rd32((tsintr_tt == 1) ? E1000_AUXSTMPL1 : E1000_AUXSTMPL0);
+	sec  = rd32((tsintr_tt == 1) ? E1000_AUXSTMPH1 : E1000_AUXSTMPH0);
+	event.type = PTP_CLOCK_EXTTS;
+	event.index = tsintr_tt;
+	event.timestamp = sec * 1000000000ULL + nsec;
+	ptp_clock_event(adapter->ptp_clock, &event);
+}
+
 static void igb_tsync_interrupt(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
+	u32 ack = 0, tsicr = rd32(E1000_TSICR);
 	struct ptp_clock_event event;
-	struct timespec64 ts;
-	u32 ack = 0, tsauxc, sec, nsec, tsicr = rd32(E1000_TSICR);
 
 	if (tsicr & TSINTR_SYS_WRAP) {
 		event.type = PTP_CLOCK_PPS;
@@ -6777,51 +6817,22 @@ static void igb_tsync_interrupt(struct igb_adapter *adapter)
 	}
 
 	if (tsicr & TSINTR_TT0) {
-		spin_lock(&adapter->tmreg_lock);
-		ts = timespec64_add(adapter->perout[0].start,
-				    adapter->perout[0].period);
-		/* u32 conversion of tv_sec is safe until y2106 */
-		wr32(E1000_TRGTTIML0, ts.tv_nsec);
-		wr32(E1000_TRGTTIMH0, (u32)ts.tv_sec);
-		tsauxc = rd32(E1000_TSAUXC);
-		tsauxc |= TSAUXC_EN_TT0;
-		wr32(E1000_TSAUXC, tsauxc);
-		adapter->perout[0].start = ts;
-		spin_unlock(&adapter->tmreg_lock);
+		igb_perout(adapter, 0);
 		ack |= TSINTR_TT0;
 	}
 
 	if (tsicr & TSINTR_TT1) {
-		spin_lock(&adapter->tmreg_lock);
-		ts = timespec64_add(adapter->perout[1].start,
-				    adapter->perout[1].period);
-		wr32(E1000_TRGTTIML1, ts.tv_nsec);
-		wr32(E1000_TRGTTIMH1, (u32)ts.tv_sec);
-		tsauxc = rd32(E1000_TSAUXC);
-		tsauxc |= TSAUXC_EN_TT1;
-		wr32(E1000_TSAUXC, tsauxc);
-		adapter->perout[1].start = ts;
-		spin_unlock(&adapter->tmreg_lock);
+		igb_perout(adapter, 1);
 		ack |= TSINTR_TT1;
 	}
 
 	if (tsicr & TSINTR_AUTT0) {
-		nsec = rd32(E1000_AUXSTMPL0);
-		sec  = rd32(E1000_AUXSTMPH0);
-		event.type = PTP_CLOCK_EXTTS;
-		event.index = 0;
-		event.timestamp = sec * 1000000000ULL + nsec;
-		ptp_clock_event(adapter->ptp_clock, &event);
+		igb_extts(adapter, 0);
 		ack |= TSINTR_AUTT0;
 	}
 
 	if (tsicr & TSINTR_AUTT1) {
-		nsec = rd32(E1000_AUXSTMPL1);
-		sec  = rd32(E1000_AUXSTMPH1);
-		event.type = PTP_CLOCK_EXTTS;
-		event.index = 1;
-		event.timestamp = sec * 1000000000ULL + nsec;
-		ptp_clock_event(adapter->ptp_clock, &event);
+		igb_extts(adapter, 1);
 		ack |= TSINTR_AUTT1;
 	}
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 127/317] igb: Fix missing time sync events
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (125 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 126/317] igb: move PEROUT and EXTTS isr logic to separate functions Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 128/317] Bluetooth: Remove superfluous call to hci_conn_check_pending() Sasha Levin
                   ` (192 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Vinicius Costa Gomes, Richard Cochran, Pucha Himasekhar Reddy,
	Tony Nguyen, Sasha Levin

From: Vinicius Costa Gomes <vinicius.gomes@intel.com>

[ Upstream commit ee14cc9ea19ba9678177e2224a9c58cce5937c73 ]

Fix "double" clearing of interrupts, which can cause external events
or timestamps to be missed.

The E1000_TSIRC Time Sync Interrupt Cause register can be cleared in two
ways, by either reading it or by writing '1' into the specific cause
bit. This is documented in section 8.16.1.

The following flow was used:
    1. read E1000_TSIRC into 'tsicr';
    2. handle the interrupts present into 'tsirc' and mark them in 'ack';
    3. write 'ack' into E1000_TSICR;

As both (1) and (3) will clear the interrupt cause, if the same
interrupt happens again between (1) and (3) it will be ignored,
causing events to be missed.

Remove the extra clear in (3).

Fixes: 00c65578b47b ("igb: enable internal PPS for the i210")
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/intel/igb/igb_main.c | 23 +++++------------------
 1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index eec0ad98c445f..03a4da6a14478 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -6800,44 +6800,31 @@ static void igb_extts(struct igb_adapter *adapter, int tsintr_tt)
 static void igb_tsync_interrupt(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
-	u32 ack = 0, tsicr = rd32(E1000_TSICR);
+	u32 tsicr = rd32(E1000_TSICR);
 	struct ptp_clock_event event;
 
 	if (tsicr & TSINTR_SYS_WRAP) {
 		event.type = PTP_CLOCK_PPS;
 		if (adapter->ptp_caps.pps)
 			ptp_clock_event(adapter->ptp_clock, &event);
-		ack |= TSINTR_SYS_WRAP;
 	}
 
 	if (tsicr & E1000_TSICR_TXTS) {
 		/* retrieve hardware timestamp */
 		schedule_work(&adapter->ptp_tx_work);
-		ack |= E1000_TSICR_TXTS;
 	}
 
-	if (tsicr & TSINTR_TT0) {
+	if (tsicr & TSINTR_TT0)
 		igb_perout(adapter, 0);
-		ack |= TSINTR_TT0;
-	}
 
-	if (tsicr & TSINTR_TT1) {
+	if (tsicr & TSINTR_TT1)
 		igb_perout(adapter, 1);
-		ack |= TSINTR_TT1;
-	}
 
-	if (tsicr & TSINTR_AUTT0) {
+	if (tsicr & TSINTR_AUTT0)
 		igb_extts(adapter, 0);
-		ack |= TSINTR_AUTT0;
-	}
 
-	if (tsicr & TSINTR_AUTT1) {
+	if (tsicr & TSINTR_AUTT1)
 		igb_extts(adapter, 1);
-		ack |= TSINTR_AUTT1;
-	}
-
-	/* acknowledge the interrupts */
-	wr32(E1000_TSICR, ack);
 }
 
 static irqreturn_t igb_msix_other(int irq, void *data)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 128/317] Bluetooth: Remove superfluous call to hci_conn_check_pending()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (126 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 127/317] igb: Fix missing time sync events Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 129/317] Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855 Sasha Levin
                   ` (191 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jonas Dreßler, Luiz Augusto von Dentz, Sasha Levin

From: Jonas Dreßler <verdre@v0yd.nl>

[ Upstream commit 78e3639fc8031275010c3287ac548c0bc8de83b1 ]

The "pending connections" feature was originally introduced with commit
4c67bc74f016 ("[Bluetooth] Support concurrent connect requests") and
6bd57416127e ("[Bluetooth] Handling pending connect attempts after
inquiry") to handle controllers supporting only a single connection request
at a time. Later things were extended to also cancel ongoing inquiries on
connect() with commit 89e65975fea5 ("Bluetooth: Cancel Inquiry before
Create Connection").

With commit a9de9248064b ("[Bluetooth] Switch from OGF+OCF to using only
opcodes"), hci_conn_check_pending() was introduced as a helper to
consolidate a few places where we check for pending connections (indicated
by the BT_CONNECT2 flag) and then try to connect.

This refactoring commit also snuck in two more calls to
hci_conn_check_pending():

- One is in the failure callback of hci_cs_inquiry(), this one probably
makes sense: If we send an "HCI Inquiry" command and then immediately
after a "Create Connection" command, the "Create Connection" command might
fail before the "HCI Inquiry" command, and then we want to retry the
"Create Connection" on failure of the "HCI Inquiry".

- The other added call to hci_conn_check_pending() is in the event handler
for the "Remote Name" event, this seems unrelated and is possibly a
copy-paste error, so remove that one.

Fixes: a9de9248064b ("[Bluetooth] Switch from OGF+OCF to using only opcodes")
Signed-off-by: Jonas Dreßler <verdre@v0yd.nl>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/bluetooth/hci_event.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index ba7242729a8fb..0be37a5c1c0c2 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3072,8 +3072,6 @@ static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
 
 	BT_DBG("%s", hdev->name);
 
-	hci_conn_check_pending(hdev);
-
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 129/317] Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (127 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 128/317] Bluetooth: Remove superfluous call to hci_conn_check_pending() Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 130/317] Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with gpiod_get_optional() Sasha Levin
                   ` (190 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Steev Klimaszewski, Bjorn Andersson, Luiz Augusto von Dentz, Sasha Levin

From: Steev Klimaszewski <steev@kali.org>

[ Upstream commit 095327fede005f4b14d40b2183b2f7965c739dbd ]

Add regulators, GPIOs and changes required to power on/off wcn6855.
Add support for firmware download for wcn6855 which is in the
linux-firmware repository as hpbtfw21.tlv and hpnv21.bin.

Based on the assumption that this is similar to the wcn6750

Tested-on: BTFW.HSP.2.1.0-00538-VER_PATCHZ-1

Signed-off-by: Steev Klimaszewski <steev@kali.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Tested-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Stable-dep-of: 56d074d26c58 ("Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with gpiod_get_optional()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/bluetooth/btqca.c   | 14 ++++++++-
 drivers/bluetooth/btqca.h   | 10 +++++++
 drivers/bluetooth/hci_qca.c | 57 ++++++++++++++++++++++++++++---------
 3 files changed, 66 insertions(+), 15 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index be04d74037d20..0f3943ac54179 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -566,6 +566,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 		config.type = ELF_TYPE_PATCH;
 		snprintf(config.fwname, sizeof(config.fwname),
 			 "qca/msbtfw%02x.mbn", rom_ver);
+	} else if (soc_type == QCA_WCN6855) {
+		snprintf(config.fwname, sizeof(config.fwname),
+			 "qca/hpbtfw%02x.tlv", rom_ver);
 	} else {
 		snprintf(config.fwname, sizeof(config.fwname),
 			 "qca/rampatch_%08x.bin", soc_ver);
@@ -600,6 +603,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 	else if (soc_type == QCA_WCN6750)
 		snprintf(config.fwname, sizeof(config.fwname),
 			 "qca/msnv%02x.bin", rom_ver);
+	else if (soc_type == QCA_WCN6855)
+		snprintf(config.fwname, sizeof(config.fwname),
+			 "qca/hpnv%02x.bin", rom_ver);
 	else
 		snprintf(config.fwname, sizeof(config.fwname),
 			 "qca/nvm_%08x.bin", soc_ver);
@@ -637,11 +643,17 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 		return err;
 	}
 
-	if (soc_type == QCA_WCN3991 || soc_type == QCA_WCN6750) {
+	switch (soc_type) {
+	case QCA_WCN3991:
+	case QCA_WCN6750:
+	case QCA_WCN6855:
 		/* get fw build info */
 		err = qca_read_fw_build_info(hdev);
 		if (err < 0)
 			return err;
+		break;
+	default:
+		break;
 	}
 
 	bt_dev_info(hdev, "QCA setup on UART is completed");
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index 30afa7703afd3..b83bf202ea604 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -145,6 +145,7 @@ enum qca_btsoc_type {
 	QCA_WCN3991,
 	QCA_QCA6390,
 	QCA_WCN6750,
+	QCA_WCN6855,
 };
 
 #if IS_ENABLED(CONFIG_BT_QCA)
@@ -166,6 +167,10 @@ static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type)
 {
 	return soc_type == QCA_WCN6750;
 }
+static inline bool qca_is_wcn6855(enum qca_btsoc_type soc_type)
+{
+	return soc_type == QCA_WCN6855;
+}
 
 #else
 
@@ -204,6 +209,11 @@ static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type)
 	return false;
 }
 
+static inline bool qca_is_wcn6855(enum qca_btsoc_type soc_type)
+{
+	return false;
+}
+
 static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
 {
 	return -EOPNOTSUPP;
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index d10f1fe0f5fa8..7c641cabea7c8 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1315,7 +1315,8 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
 
 	/* Give the controller time to process the request */
 	if (qca_is_wcn399x(qca_soc_type(hu)) ||
-	    qca_is_wcn6750(qca_soc_type(hu)))
+	    qca_is_wcn6750(qca_soc_type(hu)) ||
+	    qca_is_wcn6855(qca_soc_type(hu)))
 		usleep_range(1000, 10000);
 	else
 		msleep(300);
@@ -1392,7 +1393,8 @@ static unsigned int qca_get_speed(struct hci_uart *hu,
 static int qca_check_speeds(struct hci_uart *hu)
 {
 	if (qca_is_wcn399x(qca_soc_type(hu)) ||
-	    qca_is_wcn6750(qca_soc_type(hu))) {
+	    qca_is_wcn6750(qca_soc_type(hu)) ||
+	    qca_is_wcn6855(qca_soc_type(hu))) {
 		if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
 		    !qca_get_speed(hu, QCA_OPER_SPEED))
 			return -EINVAL;
@@ -1426,7 +1428,8 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 		 * changing the baudrate of chip and host.
 		 */
 		if (qca_is_wcn399x(soc_type) ||
-		    qca_is_wcn6750(soc_type))
+		    qca_is_wcn6750(soc_type) ||
+		    qca_is_wcn6855(soc_type))
 			hci_uart_set_flow_control(hu, true);
 
 		if (soc_type == QCA_WCN3990) {
@@ -1444,7 +1447,8 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 
 error:
 		if (qca_is_wcn399x(soc_type) ||
-		    qca_is_wcn6750(soc_type))
+		    qca_is_wcn6750(soc_type) ||
+		    qca_is_wcn6855(soc_type))
 			hci_uart_set_flow_control(hu, false);
 
 		if (soc_type == QCA_WCN3990) {
@@ -1680,7 +1684,8 @@ static int qca_power_on(struct hci_dev *hdev)
 		return 0;
 
 	if (qca_is_wcn399x(soc_type) ||
-	    qca_is_wcn6750(soc_type)) {
+	    qca_is_wcn6750(soc_type) ||
+	    qca_is_wcn6855(soc_type)) {
 		ret = qca_regulator_init(hu);
 	} else {
 		qcadev = serdev_device_get_drvdata(hu->serdev);
@@ -1721,7 +1726,8 @@ static int qca_setup(struct hci_uart *hu)
 
 	bt_dev_info(hdev, "setting up %s",
 		qca_is_wcn399x(soc_type) ? "wcn399x" :
-		(soc_type == QCA_WCN6750) ? "wcn6750" : "ROME/QCA6390");
+		(soc_type == QCA_WCN6750) ? "wcn6750" :
+		(soc_type == QCA_WCN6855) ? "wcn6855" : "ROME/QCA6390");
 
 	qca->memdump_state = QCA_MEMDUMP_IDLE;
 
@@ -1733,7 +1739,8 @@ static int qca_setup(struct hci_uart *hu)
 	clear_bit(QCA_SSR_TRIGGERED, &qca->flags);
 
 	if (qca_is_wcn399x(soc_type) ||
-	    qca_is_wcn6750(soc_type)) {
+	    qca_is_wcn6750(soc_type) ||
+	    qca_is_wcn6855(soc_type)) {
 		set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
 
 		ret = qca_read_soc_version(hdev, &ver, soc_type);
@@ -1754,7 +1761,8 @@ static int qca_setup(struct hci_uart *hu)
 	}
 
 	if (!(qca_is_wcn399x(soc_type) ||
-	     qca_is_wcn6750(soc_type))) {
+	      qca_is_wcn6750(soc_type) ||
+	      qca_is_wcn6855(soc_type))) {
 		/* Get QCA version information */
 		ret = qca_read_soc_version(hdev, &ver, soc_type);
 		if (ret)
@@ -1880,6 +1888,20 @@ static const struct qca_device_data qca_soc_data_wcn6750 = {
 	.capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
 };
 
+static const struct qca_device_data qca_soc_data_wcn6855 = {
+	.soc_type = QCA_WCN6855,
+	.vregs = (struct qca_vreg []) {
+		{ "vddio", 5000 },
+		{ "vddbtcxmx", 126000 },
+		{ "vddrfacmn", 12500 },
+		{ "vddrfa0p8", 102000 },
+		{ "vddrfa1p7", 302000 },
+		{ "vddrfa1p2", 257000 },
+	},
+	.num_vregs = 6,
+	.capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
+};
+
 static void qca_power_shutdown(struct hci_uart *hu)
 {
 	struct qca_serdev *qcadev;
@@ -1909,7 +1931,7 @@ static void qca_power_shutdown(struct hci_uart *hu)
 		host_set_baudrate(hu, 2400);
 		qca_send_power_pulse(hu, false);
 		qca_regulator_disable(qcadev);
-	} else if (soc_type == QCA_WCN6750) {
+	} else if (soc_type == QCA_WCN6750 || soc_type == QCA_WCN6855) {
 		gpiod_set_value_cansleep(qcadev->bt_en, 0);
 		msleep(100);
 		qca_regulator_disable(qcadev);
@@ -2044,7 +2066,8 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 
 	if (data &&
 	    (qca_is_wcn399x(data->soc_type) ||
-	    qca_is_wcn6750(data->soc_type))) {
+	     qca_is_wcn6750(data->soc_type) ||
+	     qca_is_wcn6855(data->soc_type))) {
 		qcadev->btsoc_type = data->soc_type;
 		qcadev->bt_power = devm_kzalloc(&serdev->dev,
 						sizeof(struct qca_power),
@@ -2064,14 +2087,18 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 
 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
 					       GPIOD_OUT_LOW);
-		if (IS_ERR_OR_NULL(qcadev->bt_en) && data->soc_type == QCA_WCN6750) {
+		if (IS_ERR_OR_NULL(qcadev->bt_en) &&
+		    (data->soc_type == QCA_WCN6750 ||
+		     data->soc_type == QCA_WCN6855)) {
 			dev_err(&serdev->dev, "failed to acquire BT_EN gpio\n");
 			power_ctrl_enabled = false;
 		}
 
 		qcadev->sw_ctrl = devm_gpiod_get_optional(&serdev->dev, "swctrl",
 					       GPIOD_IN);
-		if (IS_ERR_OR_NULL(qcadev->sw_ctrl) && data->soc_type == QCA_WCN6750)
+		if (IS_ERR_OR_NULL(qcadev->sw_ctrl) &&
+		    (data->soc_type == QCA_WCN6750 ||
+		     data->soc_type == QCA_WCN6855))
 			dev_warn(&serdev->dev, "failed to acquire SW_CTRL gpio\n");
 
 		qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
@@ -2147,8 +2174,9 @@ static void qca_serdev_remove(struct serdev_device *serdev)
 	struct qca_power *power = qcadev->bt_power;
 
 	if ((qca_is_wcn399x(qcadev->btsoc_type) ||
-	     qca_is_wcn6750(qcadev->btsoc_type)) &&
-	     power->vregs_on)
+	     qca_is_wcn6750(qcadev->btsoc_type) ||
+	     qca_is_wcn6855(qcadev->btsoc_type)) &&
+	    power->vregs_on)
 		qca_power_shutdown(&qcadev->serdev_hu);
 	else if (qcadev->susclk)
 		clk_disable_unprepare(qcadev->susclk);
@@ -2332,6 +2360,7 @@ static const struct of_device_id qca_bluetooth_of_match[] = {
 	{ .compatible = "qcom,wcn3991-bt", .data = &qca_soc_data_wcn3991},
 	{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
 	{ .compatible = "qcom,wcn6750-bt", .data = &qca_soc_data_wcn6750},
+	{ .compatible = "qcom,wcn6855-bt", .data = &qca_soc_data_wcn6855},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 130/317] Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with gpiod_get_optional()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (128 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 129/317] Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855 Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 131/317] Bluetooth: hci_core: Fix possible buffer overflow Sasha Levin
                   ` (189 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Bartosz Golaszewski, Luiz Augusto von Dentz, Sasha Levin

From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

[ Upstream commit 56d074d26c5828773b00b2185dd7e1d08273b8e8 ]

The optional variants for the gpiod_get() family of functions return NULL
if the GPIO in question is not associated with this device. They return
ERR_PTR() on any other error. NULL descriptors are graciously handled by
GPIOLIB and can be safely passed to any of the GPIO consumer interfaces
as they will return 0 and act as if the function succeeded. If one is
using the optional variant, then there's no point in checking for NULL.

Fixes: 6845667146a2 ("Bluetooth: hci_qca: Fix NULL vs IS_ERR_OR_NULL check in qca_serdev_probe")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/bluetooth/hci_qca.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 7c641cabea7c8..d5f408851a005 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -2087,7 +2087,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 
 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
 					       GPIOD_OUT_LOW);
-		if (IS_ERR_OR_NULL(qcadev->bt_en) &&
+		if (IS_ERR(qcadev->bt_en) &&
 		    (data->soc_type == QCA_WCN6750 ||
 		     data->soc_type == QCA_WCN6855)) {
 			dev_err(&serdev->dev, "failed to acquire BT_EN gpio\n");
@@ -2096,7 +2096,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 
 		qcadev->sw_ctrl = devm_gpiod_get_optional(&serdev->dev, "swctrl",
 					       GPIOD_IN);
-		if (IS_ERR_OR_NULL(qcadev->sw_ctrl) &&
+		if (IS_ERR(qcadev->sw_ctrl) &&
 		    (data->soc_type == QCA_WCN6750 ||
 		     data->soc_type == QCA_WCN6855))
 			dev_warn(&serdev->dev, "failed to acquire SW_CTRL gpio\n");
@@ -2120,7 +2120,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 
 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
 					       GPIOD_OUT_LOW);
-		if (IS_ERR_OR_NULL(qcadev->bt_en)) {
+		if (IS_ERR(qcadev->bt_en)) {
 			dev_warn(&serdev->dev, "failed to acquire enable gpio\n");
 			power_ctrl_enabled = false;
 		}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 131/317] Bluetooth: hci_core: Fix possible buffer overflow
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (129 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 130/317] Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with gpiod_get_optional() Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 132/317] sr9800: Add check for usbnet_get_endpoints Sasha Levin
                   ` (188 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Luiz Augusto von Dentz, Sasha Levin

From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

[ Upstream commit 81137162bfaa7278785b24c1fd2e9e74f082e8e4 ]

struct hci_dev_info has a fixed size name[8] field so in the event that
hdev->name is bigger than that strcpy would attempt to write past its
size, so this fixes this problem by switching to use strscpy.

Fixes: dcda165706b9 ("Bluetooth: hci_core: Fix build warnings")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/bluetooth/hci_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index a8854b24f4cfb..8a3c867bdff03 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2187,7 +2187,7 @@ int hci_get_dev_info(void __user *arg)
 	else
 		flags = hdev->flags;
 
-	strcpy(di.name, hdev->name);
+	strscpy(di.name, hdev->name, sizeof(di.name));
 	di.bdaddr   = hdev->bdaddr;
 	di.type     = (hdev->bus & 0x0f) | ((hdev->dev_type & 0x03) << 4);
 	di.flags    = flags;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 132/317] sr9800: Add check for usbnet_get_endpoints
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (130 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 131/317] Bluetooth: hci_core: Fix possible buffer overflow Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 133/317] bpf: Fix DEVMAP_HASH overflow check on 32-bit arches Sasha Levin
                   ` (187 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Chen Ni, Simon Horman, Jakub Kicinski, Sasha Levin

From: Chen Ni <nichen@iscas.ac.cn>

[ Upstream commit 07161b2416f740a2cb87faa5566873f401440a61 ]

Add check for usbnet_get_endpoints() and return the error if it fails
in order to transfer the error.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Fixes: 19a38d8e0aa3 ("USB2NET : SR9800 : One chip USB2.0 USB2NET SR9800 Device Driver Support")
Link: https://lore.kernel.org/r/20240305075927.261284-1-nichen@iscas.ac.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/usb/sr9800.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 576401c8b1bee..79358369c4565 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -736,7 +736,9 @@ static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf)
 
 	data->eeprom_len = SR9800_EEPROM_LEN;
 
-	usbnet_get_endpoints(dev, intf);
+	ret = usbnet_get_endpoints(dev, intf);
+	if (ret)
+		goto out;
 
 	/* LED Setting Rule :
 	 * AABB:CCDD
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 133/317] bpf: Fix DEVMAP_HASH overflow check on 32-bit arches
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (131 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 132/317] sr9800: Add check for usbnet_get_endpoints Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 134/317] bpf: Fix hashtab " Sasha Levin
                   ` (186 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Toke Høiland-Jørgensen, syzbot+8cd36f6b65f3cafd400a,
	Alexei Starovoitov, Sasha Levin

From: Toke Høiland-Jørgensen <toke@redhat.com>

[ Upstream commit 281d464a34f540de166cee74b723e97ac2515ec3 ]

The devmap code allocates a number hash buckets equal to the next power
of two of the max_entries value provided when creating the map. When
rounding up to the next power of two, the 32-bit variable storing the
number of buckets can overflow, and the code checks for overflow by
checking if the truncated 32-bit value is equal to 0. However, on 32-bit
arches the rounding up itself can overflow mid-way through, because it
ends up doing a left-shift of 32 bits on an unsigned long value. If the
size of an unsigned long is four bytes, this is undefined behaviour, so
there is no guarantee that we'll end up with a nice and tidy 0-value at
the end.

Syzbot managed to turn this into a crash on arm32 by creating a
DEVMAP_HASH with max_entries > 0x80000000 and then trying to update it.
Fix this by moving the overflow check to before the rounding up
operation.

Fixes: 6f9d451ab1a3 ("xdp: Add devmap_hash map type for looking up devices by hashed index")
Link: https://lore.kernel.org/r/000000000000ed666a0611af6818@google.com
Reported-and-tested-by: syzbot+8cd36f6b65f3cafd400a@syzkaller.appspotmail.com
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Message-ID: <20240307120340.99577-2-toke@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/devmap.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index f02d04540c0c0..b591073c5f83d 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -130,13 +130,14 @@ static int dev_map_init_map(struct bpf_dtab *dtab, union bpf_attr *attr)
 	bpf_map_init_from_attr(&dtab->map, attr);
 
 	if (attr->map_type == BPF_MAP_TYPE_DEVMAP_HASH) {
-		dtab->n_buckets = roundup_pow_of_two(dtab->map.max_entries);
-
-		if (!dtab->n_buckets) /* Overflow check */
+		/* hash table size must be power of 2; roundup_pow_of_two() can
+		 * overflow into UB on 32-bit arches, so check that first
+		 */
+		if (dtab->map.max_entries > 1UL << 31)
 			return -EINVAL;
-	}
 
-	if (attr->map_type == BPF_MAP_TYPE_DEVMAP_HASH) {
+		dtab->n_buckets = roundup_pow_of_two(dtab->map.max_entries);
+
 		dtab->dev_index_head = dev_map_create_hash(dtab->n_buckets,
 							   dtab->map.numa_node);
 		if (!dtab->dev_index_head)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 134/317] bpf: Fix hashtab overflow check on 32-bit arches
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (132 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 133/317] bpf: Fix DEVMAP_HASH overflow check on 32-bit arches Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 135/317] bpf: Fix stackmap " Sasha Levin
                   ` (185 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Toke Høiland-Jørgensen, Alexei Starovoitov, Sasha Levin

From: Toke Høiland-Jørgensen <toke@redhat.com>

[ Upstream commit 6787d916c2cf9850c97a0a3f73e08c43e7d973b1 ]

The hashtab code relies on roundup_pow_of_two() to compute the number of
hash buckets, and contains an overflow check by checking if the
resulting value is 0. However, on 32-bit arches, the roundup code itself
can overflow by doing a 32-bit left-shift of an unsigned long value,
which is undefined behaviour, so it is not guaranteed to truncate
neatly. This was triggered by syzbot on the DEVMAP_HASH type, which
contains the same check, copied from the hashtab code. So apply the same
fix to hashtab, by moving the overflow check to before the roundup.

Fixes: daaf427c6ab3 ("bpf: fix arraymap NULL deref and missing overflow and zero size checks")
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Message-ID: <20240307120340.99577-3-toke@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/hashtab.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 28b43642c0593..f53b4f04b935c 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -504,7 +504,13 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr)
 							  num_possible_cpus());
 	}
 
-	/* hash table size must be power of 2 */
+	/* hash table size must be power of 2; roundup_pow_of_two() can overflow
+	 * into UB on 32-bit arches, so check that first
+	 */
+	err = -E2BIG;
+	if (htab->map.max_entries > 1UL << 31)
+		goto free_htab;
+
 	htab->n_buckets = roundup_pow_of_two(htab->map.max_entries);
 
 	htab->elem_size = sizeof(struct htab_elem) +
@@ -514,10 +520,8 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr)
 	else
 		htab->elem_size += round_up(htab->map.value_size, 8);
 
-	err = -E2BIG;
-	/* prevent zero size kmalloc and check for u32 overflow */
-	if (htab->n_buckets == 0 ||
-	    htab->n_buckets > U32_MAX / sizeof(struct bucket))
+	/* check for u32 overflow */
+	if (htab->n_buckets > U32_MAX / sizeof(struct bucket))
 		goto free_htab;
 
 	err = -ENOMEM;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 135/317] bpf: Fix stackmap overflow check on 32-bit arches
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (133 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 134/317] bpf: Fix hashtab " Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 136/317] ipv6: fib6_rules: flush route cache when rule is changed Sasha Levin
                   ` (184 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Toke Høiland-Jørgensen, Bui Quang Minh,
	Alexei Starovoitov, Sasha Levin

From: Toke Høiland-Jørgensen <toke@redhat.com>

[ Upstream commit 7a4b21250bf79eef26543d35bd390448646c536b ]

The stackmap code relies on roundup_pow_of_two() to compute the number
of hash buckets, and contains an overflow check by checking if the
resulting value is 0. However, on 32-bit arches, the roundup code itself
can overflow by doing a 32-bit left-shift of an unsigned long value,
which is undefined behaviour, so it is not guaranteed to truncate
neatly. This was triggered by syzbot on the DEVMAP_HASH type, which
contains the same check, copied from the hashtab code.

The commit in the fixes tag actually attempted to fix this, but the fix
did not account for the UB, so the fix only works on CPUs where an
overflow does result in a neat truncation to zero, which is not
guaranteed. Checking the value before rounding does not have this
problem.

Fixes: 6183f4d3a0a2 ("bpf: Check for integer overflow when using roundup_pow_of_two()")
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Reviewed-by: Bui Quang Minh <minhquangbui99@gmail.com>
Message-ID: <20240307120340.99577-4-toke@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/stackmap.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index f8587abef73c1..e04571c1833f6 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -113,11 +113,14 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
 	} else if (value_size / 8 > sysctl_perf_event_max_stack)
 		return ERR_PTR(-EINVAL);
 
-	/* hash table size must be power of 2 */
-	n_buckets = roundup_pow_of_two(attr->max_entries);
-	if (!n_buckets)
+	/* hash table size must be power of 2; roundup_pow_of_two() can overflow
+	 * into UB on 32-bit arches, so check that first
+	 */
+	if (attr->max_entries > 1UL << 31)
 		return ERR_PTR(-E2BIG);
 
+	n_buckets = roundup_pow_of_two(attr->max_entries);
+
 	cost = n_buckets * sizeof(struct stack_map_bucket *) + sizeof(*smap);
 	smap = bpf_map_area_alloc(cost, bpf_map_attr_numa_node(attr));
 	if (!smap)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 136/317] ipv6: fib6_rules: flush route cache when rule is changed
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (134 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 135/317] bpf: Fix stackmap " Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 137/317] net: ip_tunnel: make sure to pull inner header in ip_tunnel_rcv() Sasha Levin
                   ` (183 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Shiming Cheng, Lena Wang, David Ahern, David S . Miller, Sasha Levin

From: Shiming Cheng <shiming.cheng@mediatek.com>

[ Upstream commit c4386ab4f6c600f75fdfd21143f89bac3e625d0d ]

When rule policy is changed, ipv6 socket cache is not refreshed.
The sock's skb still uses a outdated route cache and was sent to
a wrong interface.

To avoid this error we should update fib node's version when
rule is changed. Then skb's route will be reroute checked as
route cache version is already different with fib node version.
The route cache is refreshed to match the latest rule.

Fixes: 101367c2f8c4 ("[IPV6]: Policy Routing Rules")
Signed-off-by: Shiming Cheng <shiming.cheng@mediatek.com>
Signed-off-by: Lena Wang <lena.wang@mediatek.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv6/fib6_rules.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index dcedfe29d9d93..8e9e80eb0f329 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -446,6 +446,11 @@ static size_t fib6_rule_nlmsg_payload(struct fib_rule *rule)
 	       + nla_total_size(16); /* src */
 }
 
+static void fib6_rule_flush_cache(struct fib_rules_ops *ops)
+{
+	rt_genid_bump_ipv6(ops->fro_net);
+}
+
 static const struct fib_rules_ops __net_initconst fib6_rules_ops_template = {
 	.family			= AF_INET6,
 	.rule_size		= sizeof(struct fib6_rule),
@@ -458,6 +463,7 @@ static const struct fib_rules_ops __net_initconst fib6_rules_ops_template = {
 	.compare		= fib6_rule_compare,
 	.fill			= fib6_rule_fill,
 	.nlmsg_payload		= fib6_rule_nlmsg_payload,
+	.flush_cache		= fib6_rule_flush_cache,
 	.nlgroup		= RTNLGRP_IPV6_RULE,
 	.policy			= fib6_rule_policy,
 	.owner			= THIS_MODULE,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 137/317] net: ip_tunnel: make sure to pull inner header in ip_tunnel_rcv()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (135 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 136/317] ipv6: fib6_rules: flush route cache when rule is changed Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 138/317] net: phy: fix phy_get_internal_delay accessing an empty array Sasha Levin
                   ` (182 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Eric Dumazet, syzbot, David S . Miller, Sasha Levin

From: Eric Dumazet <edumazet@google.com>

[ Upstream commit b0ec2abf98267f14d032102551581c833b0659d3 ]

Apply the same fix than ones found in :

8d975c15c0cd ("ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()")
1ca1ba465e55 ("geneve: make sure to pull inner header in geneve_rx()")

We have to save skb->network_header in a temporary variable
in order to be able to recompute the network_header pointer
after a pskb_inet_may_pull() call.

pskb_inet_may_pull() makes sure the needed headers are in skb->head.

syzbot reported:
BUG: KMSAN: uninit-value in __INET_ECN_decapsulate include/net/inet_ecn.h:253 [inline]
 BUG: KMSAN: uninit-value in INET_ECN_decapsulate include/net/inet_ecn.h:275 [inline]
 BUG: KMSAN: uninit-value in IP_ECN_decapsulate include/net/inet_ecn.h:302 [inline]
 BUG: KMSAN: uninit-value in ip_tunnel_rcv+0xed9/0x2ed0 net/ipv4/ip_tunnel.c:409
  __INET_ECN_decapsulate include/net/inet_ecn.h:253 [inline]
  INET_ECN_decapsulate include/net/inet_ecn.h:275 [inline]
  IP_ECN_decapsulate include/net/inet_ecn.h:302 [inline]
  ip_tunnel_rcv+0xed9/0x2ed0 net/ipv4/ip_tunnel.c:409
  __ipgre_rcv+0x9bc/0xbc0 net/ipv4/ip_gre.c:389
  ipgre_rcv net/ipv4/ip_gre.c:411 [inline]
  gre_rcv+0x423/0x19f0 net/ipv4/ip_gre.c:447
  gre_rcv+0x2a4/0x390 net/ipv4/gre_demux.c:163
  ip_protocol_deliver_rcu+0x264/0x1300 net/ipv4/ip_input.c:205
  ip_local_deliver_finish+0x2b8/0x440 net/ipv4/ip_input.c:233
  NF_HOOK include/linux/netfilter.h:314 [inline]
  ip_local_deliver+0x21f/0x490 net/ipv4/ip_input.c:254
  dst_input include/net/dst.h:461 [inline]
  ip_rcv_finish net/ipv4/ip_input.c:449 [inline]
  NF_HOOK include/linux/netfilter.h:314 [inline]
  ip_rcv+0x46f/0x760 net/ipv4/ip_input.c:569
  __netif_receive_skb_one_core net/core/dev.c:5534 [inline]
  __netif_receive_skb+0x1a6/0x5a0 net/core/dev.c:5648
  netif_receive_skb_internal net/core/dev.c:5734 [inline]
  netif_receive_skb+0x58/0x660 net/core/dev.c:5793
  tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1556
  tun_get_user+0x53b9/0x66e0 drivers/net/tun.c:2009
  tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2055
  call_write_iter include/linux/fs.h:2087 [inline]
  new_sync_write fs/read_write.c:497 [inline]
  vfs_write+0xb6b/0x1520 fs/read_write.c:590
  ksys_write+0x20f/0x4c0 fs/read_write.c:643
  __do_sys_write fs/read_write.c:655 [inline]
  __se_sys_write fs/read_write.c:652 [inline]
  __x64_sys_write+0x93/0xd0 fs/read_write.c:652
  do_syscall_x64 arch/x86/entry/common.c:52 [inline]
  do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Uninit was created at:
  __alloc_pages+0x9a6/0xe00 mm/page_alloc.c:4590
  alloc_pages_mpol+0x62b/0x9d0 mm/mempolicy.c:2133
  alloc_pages+0x1be/0x1e0 mm/mempolicy.c:2204
  skb_page_frag_refill+0x2bf/0x7c0 net/core/sock.c:2909
  tun_build_skb drivers/net/tun.c:1686 [inline]
  tun_get_user+0xe0a/0x66e0 drivers/net/tun.c:1826
  tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2055
  call_write_iter include/linux/fs.h:2087 [inline]
  new_sync_write fs/read_write.c:497 [inline]
  vfs_write+0xb6b/0x1520 fs/read_write.c:590
  ksys_write+0x20f/0x4c0 fs/read_write.c:643
  __do_sys_write fs/read_write.c:655 [inline]
  __se_sys_write fs/read_write.c:652 [inline]
  __x64_sys_write+0x93/0xd0 fs/read_write.c:652
  do_syscall_x64 arch/x86/entry/common.c:52 [inline]
  do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Fixes: c54419321455 ("GRE: Refactor GRE tunneling code.")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv4/ip_tunnel.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 96b7cd3049a33..db6d3d5c474c6 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -364,7 +364,7 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
 		  bool log_ecn_error)
 {
 	const struct iphdr *iph = ip_hdr(skb);
-	int err;
+	int nh, err;
 
 #ifdef CONFIG_NET_IPGRE_BROADCAST
 	if (ipv4_is_multicast(iph->daddr)) {
@@ -390,8 +390,21 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
 		tunnel->i_seqno = ntohl(tpi->seq) + 1;
 	}
 
+	/* Save offset of outer header relative to skb->head,
+	 * because we are going to reset the network header to the inner header
+	 * and might change skb->head.
+	 */
+	nh = skb_network_header(skb) - skb->head;
+
 	skb_set_network_header(skb, (tunnel->dev->type == ARPHRD_ETHER) ? ETH_HLEN : 0);
 
+	if (!pskb_inet_may_pull(skb)) {
+		DEV_STATS_INC(tunnel->dev, rx_length_errors);
+		DEV_STATS_INC(tunnel->dev, rx_errors);
+		goto drop;
+	}
+	iph = (struct iphdr *)(skb->head + nh);
+
 	err = IP_ECN_decapsulate(iph, skb);
 	if (unlikely(err)) {
 		if (log_ecn_error)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 138/317] net: phy: fix phy_get_internal_delay accessing an empty array
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (136 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 137/317] net: ip_tunnel: make sure to pull inner header in ip_tunnel_rcv() Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:31 ` [PATCH 5.15 139/317] net: hns3: fix kernel crash when 1588 is received on HIP08 devices Sasha Levin
                   ` (181 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Kévin L'hôpital, Enguerrand de Ribaucourt,
	Russell King, David S . Miller, Sasha Levin

From: Kévin L'hôpital <kevin.lhopital@savoirfairelinux.com>

[ Upstream commit 4469c0c5b14a0919f5965c7ceac96b523eb57b79 ]

The phy_get_internal_delay function could try to access to an empty
array in the case that the driver is calling phy_get_internal_delay
without defining delay_values and rx-internal-delay-ps or
tx-internal-delay-ps is defined to 0 in the device-tree.
This will lead to "unable to handle kernel NULL pointer dereference at
virtual address 0". To avoid this kernel oops, the test should be delay
>= 0. As there is already delay < 0 test just before, the test could
only be size == 0.

Fixes: 92252eec913b ("net: phy: Add a helper to return the index for of the internal delay")
Co-developed-by: Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@savoirfairelinux.com>
Signed-off-by: Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@savoirfairelinux.com>
Signed-off-by: Kévin L'hôpital <kevin.lhopital@savoirfairelinux.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/phy/phy_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 0429825a7179d..c1d6ebf12ec74 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -2904,7 +2904,7 @@ s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev,
 	if (delay < 0)
 		return delay;
 
-	if (delay && size == 0)
+	if (size == 0)
 		return delay;
 
 	if (delay < delay_values[0] || delay > delay_values[size - 1]) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 139/317] net: hns3: fix kernel crash when 1588 is received on HIP08 devices
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (137 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 138/317] net: phy: fix phy_get_internal_delay accessing an empty array Sasha Levin
@ 2024-03-24 23:31 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 140/317] net: hns3: fix port duplex configure error in IMP reset Sasha Levin
                   ` (180 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:31 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yonglong Liu, Jijie Shao, David S . Miller, Sasha Levin

From: Yonglong Liu <liuyonglong@huawei.com>

[ Upstream commit 0fbcf2366ba9888cf02eda23e35fde7f7fcc07c3 ]

The HIP08 devices does not register the ptp devices, so the
hdev->ptp is NULL, but the hardware can receive 1588 messages,
and set the HNS3_RXD_TS_VLD_B bit, so, if match this case, the
access of hdev->ptp->flags will cause a kernel crash:

[ 5888.946472] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000018
[ 5888.946475] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000018
...
[ 5889.266118] pc : hclge_ptp_get_rx_hwts+0x40/0x170 [hclge]
[ 5889.272612] lr : hclge_ptp_get_rx_hwts+0x34/0x170 [hclge]
[ 5889.279101] sp : ffff800012c3bc50
[ 5889.283516] x29: ffff800012c3bc50 x28: ffff2040002be040
[ 5889.289927] x27: ffff800009116484 x26: 0000000080007500
[ 5889.296333] x25: 0000000000000000 x24: ffff204001c6f000
[ 5889.302738] x23: ffff204144f53c00 x22: 0000000000000000
[ 5889.309134] x21: 0000000000000000 x20: ffff204004220080
[ 5889.315520] x19: ffff204144f53c00 x18: 0000000000000000
[ 5889.321897] x17: 0000000000000000 x16: 0000000000000000
[ 5889.328263] x15: 0000004000140ec8 x14: 0000000000000000
[ 5889.334617] x13: 0000000000000000 x12: 00000000010011df
[ 5889.340965] x11: bbfeff4d22000000 x10: 0000000000000000
[ 5889.347303] x9 : ffff800009402124 x8 : 0200f78811dfbb4d
[ 5889.353637] x7 : 2200000000191b01 x6 : ffff208002a7d480
[ 5889.359959] x5 : 0000000000000000 x4 : 0000000000000000
[ 5889.366271] x3 : 0000000000000000 x2 : 0000000000000000
[ 5889.372567] x1 : 0000000000000000 x0 : ffff20400095c080
[ 5889.378857] Call trace:
[ 5889.382285] hclge_ptp_get_rx_hwts+0x40/0x170 [hclge]
[ 5889.388304] hns3_handle_bdinfo+0x324/0x410 [hns3]
[ 5889.394055] hns3_handle_rx_bd+0x60/0x150 [hns3]
[ 5889.399624] hns3_clean_rx_ring+0x84/0x170 [hns3]
[ 5889.405270] hns3_nic_common_poll+0xa8/0x220 [hns3]
[ 5889.411084] napi_poll+0xcc/0x264
[ 5889.415329] net_rx_action+0xd4/0x21c
[ 5889.419911] __do_softirq+0x130/0x358
[ 5889.424484] irq_exit+0x134/0x154
[ 5889.428700] __handle_domain_irq+0x88/0xf0
[ 5889.433684] gic_handle_irq+0x78/0x2c0
[ 5889.438319] el1_irq+0xb8/0x140
[ 5889.442354] arch_cpu_idle+0x18/0x40
[ 5889.446816] default_idle_call+0x5c/0x1c0
[ 5889.451714] cpuidle_idle_call+0x174/0x1b0
[ 5889.456692] do_idle+0xc8/0x160
[ 5889.460717] cpu_startup_entry+0x30/0xfc
[ 5889.465523] secondary_start_kernel+0x158/0x1ec
[ 5889.470936] Code: 97ffab78 f9411c14 91408294 f9457284 (f9400c80)
[ 5889.477950] SMP: stopping secondary CPUs
[ 5890.514626] SMP: failed to stop secondary CPUs 0-69,71-95
[ 5890.522951] Starting crashdump kernel...

Fixes: 0bf5eb788512 ("net: hns3: add support for PTP")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c
index befa9bcc2f2f2..dd0750f6daa6c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c
@@ -120,7 +120,7 @@ void hclge_ptp_get_rx_hwts(struct hnae3_handle *handle, struct sk_buff *skb,
 	u64 ns = nsec;
 	u32 sec_h;
 
-	if (!test_bit(HCLGE_PTP_FLAG_RX_EN, &hdev->ptp->flags))
+	if (!hdev->ptp || !test_bit(HCLGE_PTP_FLAG_RX_EN, &hdev->ptp->flags))
 		return;
 
 	/* Since the BD does not have enough space for the higher 16 bits of
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 140/317] net: hns3: fix port duplex configure error in IMP reset
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (138 preceding siblings ...)
  2024-03-24 23:31 ` [PATCH 5.15 139/317] net: hns3: fix kernel crash when 1588 is received on HIP08 devices Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 141/317] net: phy: DP83822: enable rgmii mode if phy_interface_is_rgmii Sasha Levin
                   ` (179 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jie Wang, Jijie Shao, David S . Miller, Sasha Levin

From: Jie Wang <wangjie125@huawei.com>

[ Upstream commit 11d80f79dd9f871a52feba4bf24b5ac39f448eb7 ]

Currently, the mac port is fixed to configured as full dplex mode in
hclge_mac_init() when driver initialization or reset restore. Users may
change the mode to half duplex with ethtool,  so it may cause the user
configuration dropped after reset.

To fix it, don't change the duplex mode when resetting.

Fixes: 2d03eacc0b7e ("net: hns3: Only update mac configuation when necessary")
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 12274c2b9feab..598da1be22ebe 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2803,7 +2803,10 @@ static int hclge_mac_init(struct hclge_dev *hdev)
 	int ret;
 
 	hdev->support_sfp_query = true;
-	hdev->hw.mac.duplex = HCLGE_MAC_FULL;
+
+	if (!test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state))
+		hdev->hw.mac.duplex = HCLGE_MAC_FULL;
+
 	ret = hclge_cfg_mac_speed_dup_hw(hdev, hdev->hw.mac.speed,
 					 hdev->hw.mac.duplex);
 	if (ret)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 141/317] net: phy: DP83822: enable rgmii mode if phy_interface_is_rgmii
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (139 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 140/317] net: hns3: fix port duplex configure error in IMP reset Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 142/317] net: phy: dp83822: Fix RGMII TX delay configuration Sasha Levin
                   ` (178 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Tommaso Merciai, Michael Trimarchi, Alberto Bianchi, Andrew Lunn,
	David S . Miller, Sasha Levin

From: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>

[ Upstream commit 621427fbdada788f18f77238e1c36f463c2cb9d1 ]

RGMII mode can be enable from dp83822 straps, and also writing bit 9
of register 0x17 - RMII and Status Register (RCSR).
When phy_interface_is_rgmii rgmii mode must be enabled, same for
contrary, this prevents malconfigurations of hw straps

References:
 - https://www.ti.com/lit/gpn/dp83822i p66

Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com>
Suggested-by: Alberto Bianchi <alberto.bianchi@amarulasolutions.com>
Tested-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: c8a5c731fd12 ("net: phy: dp83822: Fix RGMII TX delay configuration")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/phy/dp83822.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c
index f070aa97c77b4..267e6fd3d4448 100644
--- a/drivers/net/phy/dp83822.c
+++ b/drivers/net/phy/dp83822.c
@@ -94,7 +94,8 @@
 #define DP83822_WOL_INDICATION_SEL BIT(8)
 #define DP83822_WOL_CLR_INDICATION BIT(11)
 
-/* RSCR bits */
+/* RCSR bits */
+#define DP83822_RGMII_MODE_EN	BIT(9)
 #define DP83822_RX_CLK_SHIFT	BIT(12)
 #define DP83822_TX_CLK_SHIFT	BIT(11)
 
@@ -407,6 +408,12 @@ static int dp83822_config_init(struct phy_device *phydev)
 			if (err)
 				return err;
 		}
+
+		phy_set_bits_mmd(phydev, DP83822_DEVADDR,
+					MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
+	} else {
+		phy_clear_bits_mmd(phydev, DP83822_DEVADDR,
+					MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
 	}
 
 	if (dp83822->fx_enabled) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 142/317] net: phy: dp83822: Fix RGMII TX delay configuration
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (140 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 141/317] net: phy: DP83822: enable rgmii mode if phy_interface_is_rgmii Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 143/317] OPP: debugfs: Fix warning around icc_get_name() Sasha Levin
                   ` (177 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Tim Pambor, Jakub Kicinski, Sasha Levin

From: Tim Pambor <tp@osasysteme.de>

[ Upstream commit c8a5c731fd1223090af57da33838c671a7fc6a78 ]

The logic for enabling the TX clock shift is inverse of enabling the RX
clock shift. The TX clock shift is disabled when DP83822_TX_CLK_SHIFT is
set. Correct the current behavior and always write the delay configuration
to ensure consistent delay settings regardless of bootloader configuration.

Reference: https://www.ti.com/lit/ds/symlink/dp83822i.pdf p. 69

Fixes: 8095295292b5 ("net: phy: DP83822: Add setting the fixed internal delay")
Signed-off-by: Tim Pambor <tp@osasysteme.de>
Link: https://lore.kernel.org/r/20240305110608.104072-1-tp@osasysteme.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/phy/dp83822.c | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c
index 267e6fd3d4448..57411ee1d8374 100644
--- a/drivers/net/phy/dp83822.c
+++ b/drivers/net/phy/dp83822.c
@@ -380,7 +380,7 @@ static int dp83822_config_init(struct phy_device *phydev)
 {
 	struct dp83822_private *dp83822 = phydev->priv;
 	struct device *dev = &phydev->mdio.dev;
-	int rgmii_delay;
+	int rgmii_delay = 0;
 	s32 rx_int_delay;
 	s32 tx_int_delay;
 	int err = 0;
@@ -390,30 +390,33 @@ static int dp83822_config_init(struct phy_device *phydev)
 		rx_int_delay = phy_get_internal_delay(phydev, dev, NULL, 0,
 						      true);
 
-		if (rx_int_delay <= 0)
-			rgmii_delay = 0;
-		else
-			rgmii_delay = DP83822_RX_CLK_SHIFT;
+		/* Set DP83822_RX_CLK_SHIFT to enable rx clk internal delay */
+		if (rx_int_delay > 0)
+			rgmii_delay |= DP83822_RX_CLK_SHIFT;
 
 		tx_int_delay = phy_get_internal_delay(phydev, dev, NULL, 0,
 						      false);
+
+		/* Set DP83822_TX_CLK_SHIFT to disable tx clk internal delay */
 		if (tx_int_delay <= 0)
-			rgmii_delay &= ~DP83822_TX_CLK_SHIFT;
-		else
 			rgmii_delay |= DP83822_TX_CLK_SHIFT;
 
-		if (rgmii_delay) {
-			err = phy_set_bits_mmd(phydev, DP83822_DEVADDR,
-					       MII_DP83822_RCSR, rgmii_delay);
-			if (err)
-				return err;
-		}
+		err = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
+				     DP83822_RX_CLK_SHIFT | DP83822_TX_CLK_SHIFT, rgmii_delay);
+		if (err)
+			return err;
+
+		err = phy_set_bits_mmd(phydev, DP83822_DEVADDR,
+				       MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
 
-		phy_set_bits_mmd(phydev, DP83822_DEVADDR,
-					MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
+		if (err)
+			return err;
 	} else {
-		phy_clear_bits_mmd(phydev, DP83822_DEVADDR,
-					MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
+		err = phy_clear_bits_mmd(phydev, DP83822_DEVADDR,
+					 MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
+
+		if (err)
+			return err;
 	}
 
 	if (dp83822->fx_enabled) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 143/317] OPP: debugfs: Fix warning around icc_get_name()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (141 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 142/317] net: phy: dp83822: Fix RGMII TX delay configuration Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 144/317] tcp: fix incorrect parameter validation in the do_tcp_getsockopt() function Sasha Levin
                   ` (176 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Viresh Kumar, kernel test robot, Dhruva Gole, Sasha Levin

From: Viresh Kumar <viresh.kumar@linaro.org>

[ Upstream commit 28330ceb953e39880ea77da4895bb902a1244860 ]

If the kernel isn't built with interconnect support, icc_get_name()
returns NULL and we get following warning:

drivers/opp/debugfs.c: In function 'bw_name_read':
drivers/opp/debugfs.c:43:42: error: '%.62s' directive argument is null [-Werror=format-overflow=]
         i = scnprintf(buf, sizeof(buf), "%.62s\n", icc_get_name(path));

Fix it.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202402141313.81ltVF5g-lkp@intel.com/
Fixes: 0430b1d5704b0 ("opp: Expose bandwidth information via debugfs")
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/opp/debugfs.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/opp/debugfs.c b/drivers/opp/debugfs.c
index 9eb71f47487b2..1c9d039edb26b 100644
--- a/drivers/opp/debugfs.c
+++ b/drivers/opp/debugfs.c
@@ -37,10 +37,12 @@ static ssize_t bw_name_read(struct file *fp, char __user *userbuf,
 			    size_t count, loff_t *ppos)
 {
 	struct icc_path *path = fp->private_data;
+	const char *name = icc_get_name(path);
 	char buf[64];
-	int i;
+	int i = 0;
 
-	i = scnprintf(buf, sizeof(buf), "%.62s\n", icc_get_name(path));
+	if (name)
+		i = scnprintf(buf, sizeof(buf), "%.62s\n", name);
 
 	return simple_read_from_buffer(userbuf, count, ppos, buf, i);
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 144/317] tcp: fix incorrect parameter validation in the do_tcp_getsockopt() function
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (142 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 143/317] OPP: debugfs: Fix warning around icc_get_name() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 145/317] net: Change sock_getsockopt() to take the sk ptr instead of the sock ptr Sasha Levin
                   ` (175 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Gavrilov Ilia, Jason Xing, David S . Miller, Sasha Levin

From: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>

[ Upstream commit 716edc9706deb3bb2ff56e2eeb83559cea8f22db ]

The 'len' variable can't be negative when assigned the result of
'min_t' because all 'min_t' parameters are cast to unsigned int,
and then the minimum one is chosen.

To fix the logic, check 'len' as read from 'optlen',
where the types of relevant variables are (signed) int.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv4/tcp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 626cef75afe7a..521c15962c719 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3965,11 +3965,11 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
 	if (get_user(len, optlen))
 		return -EFAULT;
 
-	len = min_t(unsigned int, len, sizeof(int));
-
 	if (len < 0)
 		return -EINVAL;
 
+	len = min_t(unsigned int, len, sizeof(int));
+
 	switch (optname) {
 	case TCP_MAXSEG:
 		val = tp->mss_cache;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 145/317] net: Change sock_getsockopt() to take the sk ptr instead of the sock ptr
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (143 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 144/317] tcp: fix incorrect parameter validation in the do_tcp_getsockopt() function Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 146/317] bpf: net: Change sk_getsockopt() to take the sockptr_t argument Sasha Levin
                   ` (174 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Martin KaFai Lau, Alexei Starovoitov, Sasha Levin

From: Martin KaFai Lau <martin.lau@kernel.org>

[ Upstream commit ba74a7608dc12fbbd8ea36e660087f08a81ef26a ]

A latter patch refactors bpf_getsockopt(SOL_SOCKET) with the
sock_getsockopt() to avoid code duplication and code
drift between the two duplicates.

The current sock_getsockopt() takes sock ptr as the argument.
The very first thing of this function is to get back the sk ptr
by 'sk = sock->sk'.

bpf_getsockopt() could be called when the sk does not have
the sock ptr created.  Meaning sk->sk_socket is NULL.  For example,
when a passive tcp connection has just been established but has yet
been accept()-ed.  Thus, it cannot use the sock_getsockopt(sk->sk_socket)
or else it will pass a NULL ptr.

This patch moves all sock_getsockopt implementation to the newly
added sk_getsockopt().  The new sk_getsockopt() takes a sk ptr
and immediately gets the sock ptr by 'sock = sk->sk_socket'

The existing sock_getsockopt(sock) is changed to call
sk_getsockopt(sock->sk).  All existing callers have both sock->sk
and sk->sk_socket pointer.

The latter patch will make bpf_getsockopt(SOL_SOCKET) call
sk_getsockopt(sk) directly.  The bpf_getsockopt(SOL_SOCKET) does
not use the optnames that require sk->sk_socket, so it will
be safe.

Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20220902002756.2887884-1-kafai@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Stable-dep-of: 5c3be3e0eb44 ("ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt() function")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/sock.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/net/core/sock.c b/net/core/sock.c
index e254790d562ef..f8e3ba34e0a34 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1416,10 +1416,10 @@ static int groups_to_user(gid_t __user *dst, const struct group_info *src)
 	return 0;
 }
 
-int sock_getsockopt(struct socket *sock, int level, int optname,
-		    char __user *optval, int __user *optlen)
+static int sk_getsockopt(struct sock *sk, int level, int optname,
+			 char __user *optval, int __user *optlen)
 {
-	struct sock *sk = sock->sk;
+	struct socket *sock = sk->sk_socket;
 
 	union {
 		int val;
@@ -1780,6 +1780,12 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
 	return 0;
 }
 
+int sock_getsockopt(struct socket *sock, int level, int optname,
+		    char __user *optval, int __user *optlen)
+{
+	return sk_getsockopt(sock->sk, level, optname, optval, optlen);
+}
+
 /*
  * Initialize an sk_lock.
  *
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 146/317] bpf: net: Change sk_getsockopt() to take the sockptr_t argument
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (144 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 145/317] net: Change sock_getsockopt() to take the sk ptr instead of the sock ptr Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 147/317] bpf: net: Change do_ip_getsockopt() " Sasha Levin
                   ` (173 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Martin KaFai Lau, Alexei Starovoitov, Sasha Levin

From: Martin KaFai Lau <martin.lau@kernel.org>

[ Upstream commit 4ff09db1b79b98b4a2a7511571c640b76cab3beb ]

This patch changes sk_getsockopt() to take the sockptr_t argument
such that it can be used by bpf_getsockopt(SOL_SOCKET) in a
latter patch.

security_socket_getpeersec_stream() is not changed.  It stays
with the __user ptr (optval.user and optlen.user) to avoid changes
to other security hooks.  bpf_getsockopt(SOL_SOCKET) also does not
support SO_PEERSEC.

Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20220902002802.2888419-1-kafai@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Stable-dep-of: 5c3be3e0eb44 ("ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt() function")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/filter.h  |  3 +--
 include/linux/sockptr.h |  5 +++++
 net/core/filter.c       |  5 ++---
 net/core/sock.c         | 43 +++++++++++++++++++++++------------------
 4 files changed, 32 insertions(+), 24 deletions(-)

diff --git a/include/linux/filter.h b/include/linux/filter.h
index 2b6da8e356aab..ddaeb2afc022f 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -943,8 +943,7 @@ int sk_reuseport_attach_filter(struct sock_fprog *fprog, struct sock *sk);
 int sk_reuseport_attach_bpf(u32 ufd, struct sock *sk);
 void sk_reuseport_prog_free(struct bpf_prog *prog);
 int sk_detach_filter(struct sock *sk);
-int sk_get_filter(struct sock *sk, struct sock_filter __user *filter,
-		  unsigned int len);
+int sk_get_filter(struct sock *sk, sockptr_t optval, unsigned int len);
 
 bool sk_filter_charge(struct sock *sk, struct sk_filter *fp);
 void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp);
diff --git a/include/linux/sockptr.h b/include/linux/sockptr.h
index ea193414298b7..38862819e77a1 100644
--- a/include/linux/sockptr.h
+++ b/include/linux/sockptr.h
@@ -64,6 +64,11 @@ static inline int copy_to_sockptr_offset(sockptr_t dst, size_t offset,
 	return 0;
 }
 
+static inline int copy_to_sockptr(sockptr_t dst, const void *src, size_t size)
+{
+	return copy_to_sockptr_offset(dst, 0, src, size);
+}
+
 static inline void *memdup_sockptr(sockptr_t src, size_t len)
 {
 	void *p = kmalloc_track_caller(len, GFP_USER | __GFP_NOWARN);
diff --git a/net/core/filter.c b/net/core/filter.c
index f0a3cdc4d4961..457d1a164ad5d 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -10316,8 +10316,7 @@ int sk_detach_filter(struct sock *sk)
 }
 EXPORT_SYMBOL_GPL(sk_detach_filter);
 
-int sk_get_filter(struct sock *sk, struct sock_filter __user *ubuf,
-		  unsigned int len)
+int sk_get_filter(struct sock *sk, sockptr_t optval, unsigned int len)
 {
 	struct sock_fprog_kern *fprog;
 	struct sk_filter *filter;
@@ -10348,7 +10347,7 @@ int sk_get_filter(struct sock *sk, struct sock_filter __user *ubuf,
 		goto out;
 
 	ret = -EFAULT;
-	if (copy_to_user(ubuf, fprog->filter, bpf_classic_proglen(fprog)))
+	if (copy_to_sockptr(optval, fprog->filter, bpf_classic_proglen(fprog)))
 		goto out;
 
 	/* Instead of bytes, the API requests to return the number
diff --git a/net/core/sock.c b/net/core/sock.c
index f8e3ba34e0a34..6f761f3c272aa 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -671,8 +671,8 @@ static int sock_setbindtodevice(struct sock *sk, sockptr_t optval, int optlen)
 	return ret;
 }
 
-static int sock_getbindtodevice(struct sock *sk, char __user *optval,
-				int __user *optlen, int len)
+static int sock_getbindtodevice(struct sock *sk, sockptr_t optval,
+				sockptr_t optlen, int len)
 {
 	int ret = -ENOPROTOOPT;
 #ifdef CONFIG_NETDEVICES
@@ -695,12 +695,12 @@ static int sock_getbindtodevice(struct sock *sk, char __user *optval,
 	len = strlen(devname) + 1;
 
 	ret = -EFAULT;
-	if (copy_to_user(optval, devname, len))
+	if (copy_to_sockptr(optval, devname, len))
 		goto out;
 
 zero:
 	ret = -EFAULT;
-	if (put_user(len, optlen))
+	if (copy_to_sockptr(optlen, &len, sizeof(int)))
 		goto out;
 
 	ret = 0;
@@ -1404,20 +1404,23 @@ static void cred_to_ucred(struct pid *pid, const struct cred *cred,
 	}
 }
 
-static int groups_to_user(gid_t __user *dst, const struct group_info *src)
+static int groups_to_user(sockptr_t dst, const struct group_info *src)
 {
 	struct user_namespace *user_ns = current_user_ns();
 	int i;
 
-	for (i = 0; i < src->ngroups; i++)
-		if (put_user(from_kgid_munged(user_ns, src->gid[i]), dst + i))
+	for (i = 0; i < src->ngroups; i++) {
+		gid_t gid = from_kgid_munged(user_ns, src->gid[i]);
+
+		if (copy_to_sockptr_offset(dst, i * sizeof(gid), &gid, sizeof(gid)))
 			return -EFAULT;
+	}
 
 	return 0;
 }
 
 static int sk_getsockopt(struct sock *sk, int level, int optname,
-			 char __user *optval, int __user *optlen)
+			 sockptr_t optval, sockptr_t optlen)
 {
 	struct socket *sock = sk->sk_socket;
 
@@ -1436,7 +1439,7 @@ static int sk_getsockopt(struct sock *sk, int level, int optname,
 	int lv = sizeof(int);
 	int len;
 
-	if (get_user(len, optlen))
+	if (copy_from_sockptr(&len, optlen, sizeof(int)))
 		return -EFAULT;
 	if (len < 0)
 		return -EINVAL;
@@ -1578,7 +1581,7 @@ static int sk_getsockopt(struct sock *sk, int level, int optname,
 		cred_to_ucred(sk->sk_peer_pid, sk->sk_peer_cred, &peercred);
 		spin_unlock(&sk->sk_peer_lock);
 
-		if (copy_to_user(optval, &peercred, len))
+		if (copy_to_sockptr(optval, &peercred, len))
 			return -EFAULT;
 		goto lenout;
 	}
@@ -1596,11 +1599,11 @@ static int sk_getsockopt(struct sock *sk, int level, int optname,
 		if (len < n * sizeof(gid_t)) {
 			len = n * sizeof(gid_t);
 			put_cred(cred);
-			return put_user(len, optlen) ? -EFAULT : -ERANGE;
+			return copy_to_sockptr(optlen, &len, sizeof(int)) ? -EFAULT : -ERANGE;
 		}
 		len = n * sizeof(gid_t);
 
-		ret = groups_to_user((gid_t __user *)optval, cred->group_info);
+		ret = groups_to_user(optval, cred->group_info);
 		put_cred(cred);
 		if (ret)
 			return ret;
@@ -1616,7 +1619,7 @@ static int sk_getsockopt(struct sock *sk, int level, int optname,
 			return -ENOTCONN;
 		if (lv < len)
 			return -EINVAL;
-		if (copy_to_user(optval, address, len))
+		if (copy_to_sockptr(optval, address, len))
 			return -EFAULT;
 		goto lenout;
 	}
@@ -1633,7 +1636,7 @@ static int sk_getsockopt(struct sock *sk, int level, int optname,
 		break;
 
 	case SO_PEERSEC:
-		return security_socket_getpeersec_stream(sock, optval, optlen, len);
+		return security_socket_getpeersec_stream(sock, optval.user, optlen.user, len);
 
 	case SO_MARK:
 		v.val = sk->sk_mark;
@@ -1661,7 +1664,7 @@ static int sk_getsockopt(struct sock *sk, int level, int optname,
 		return sock_getbindtodevice(sk, optval, optlen, len);
 
 	case SO_GET_FILTER:
-		len = sk_get_filter(sk, (struct sock_filter __user *)optval, len);
+		len = sk_get_filter(sk, optval, len);
 		if (len < 0)
 			return len;
 
@@ -1711,7 +1714,7 @@ static int sk_getsockopt(struct sock *sk, int level, int optname,
 		sk_get_meminfo(sk, meminfo);
 
 		len = min_t(unsigned int, len, sizeof(meminfo));
-		if (copy_to_user(optval, &meminfo, len))
+		if (copy_to_sockptr(optval, &meminfo, len))
 			return -EFAULT;
 
 		goto lenout;
@@ -1772,10 +1775,10 @@ static int sk_getsockopt(struct sock *sk, int level, int optname,
 
 	if (len > lv)
 		len = lv;
-	if (copy_to_user(optval, &v, len))
+	if (copy_to_sockptr(optval, &v, len))
 		return -EFAULT;
 lenout:
-	if (put_user(len, optlen))
+	if (copy_to_sockptr(optlen, &len, sizeof(int)))
 		return -EFAULT;
 	return 0;
 }
@@ -1783,7 +1786,9 @@ static int sk_getsockopt(struct sock *sk, int level, int optname,
 int sock_getsockopt(struct socket *sock, int level, int optname,
 		    char __user *optval, int __user *optlen)
 {
-	return sk_getsockopt(sock->sk, level, optname, optval, optlen);
+	return sk_getsockopt(sock->sk, level, optname,
+			     USER_SOCKPTR(optval),
+			     USER_SOCKPTR(optlen));
 }
 
 /*
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 147/317] bpf: net: Change do_ip_getsockopt() to take the sockptr_t argument
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (145 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 146/317] bpf: net: Change sk_getsockopt() to take the sockptr_t argument Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 148/317] ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt() function Sasha Levin
                   ` (172 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Martin KaFai Lau, Alexei Starovoitov, Sasha Levin

From: Martin KaFai Lau <martin.lau@kernel.org>

[ Upstream commit 728f064cd7ebea8c182e99e6f152c8b4a0a6b071 ]

Similar to the earlier patch that changes sk_getsockopt() to
take the sockptr_t argument.  This patch also changes
do_ip_getsockopt() to take the sockptr_t argument such that
a latter patch can make bpf_getsockopt(SOL_IP) to reuse
do_ip_getsockopt().

Note on the change in ip_mc_gsfget().  This function is to
return an array of sockaddr_storage in optval.  This function
is shared between ip_get_mcast_msfilter() and
compat_ip_get_mcast_msfilter().  However, the sockaddr_storage
is stored at different offset of the optval because of
the difference between group_filter and compat_group_filter.
Thus, a new 'ss_offset' argument is added to ip_mc_gsfget().

Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20220902002828.2890585-1-kafai@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Stable-dep-of: 5c3be3e0eb44 ("ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt() function")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/igmp.h   |  4 +--
 include/linux/mroute.h |  6 ++--
 net/ipv4/igmp.c        | 22 +++++++-----
 net/ipv4/ip_sockglue.c | 80 ++++++++++++++++++++++++------------------
 net/ipv4/ipmr.c        |  9 ++---
 5 files changed, 68 insertions(+), 53 deletions(-)

diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 93c262ecbdc92..78890143f0790 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -118,9 +118,9 @@ extern int ip_mc_source(int add, int omode, struct sock *sk,
 		struct ip_mreq_source *mreqs, int ifindex);
 extern int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf,int ifindex);
 extern int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
-		struct ip_msfilter __user *optval, int __user *optlen);
+			sockptr_t optval, sockptr_t optlen);
 extern int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
-			struct sockaddr_storage __user *p);
+			sockptr_t optval, size_t offset);
 extern int ip_mc_sf_allow(struct sock *sk, __be32 local, __be32 rmt,
 			  int dif, int sdif);
 extern void ip_mc_init_dev(struct in_device *);
diff --git a/include/linux/mroute.h b/include/linux/mroute.h
index 6cbbfe94348ce..80b8400ab8b24 100644
--- a/include/linux/mroute.h
+++ b/include/linux/mroute.h
@@ -17,7 +17,7 @@ static inline int ip_mroute_opt(int opt)
 }
 
 int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int);
-int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
+int ip_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t);
 int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg);
 int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
 int ip_mr_init(void);
@@ -29,8 +29,8 @@ static inline int ip_mroute_setsockopt(struct sock *sock, int optname,
 	return -ENOPROTOOPT;
 }
 
-static inline int ip_mroute_getsockopt(struct sock *sock, int optname,
-				       char __user *optval, int __user *optlen)
+static inline int ip_mroute_getsockopt(struct sock *sk, int optname,
+				       sockptr_t optval, sockptr_t optlen)
 {
 	return -ENOPROTOOPT;
 }
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 88e780a168652..d2d0fb6dcff78 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2532,11 +2532,10 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
 		err = ip_mc_leave_group(sk, &imr);
 	return err;
 }
-
 int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
-	struct ip_msfilter __user *optval, int __user *optlen)
+		 sockptr_t optval, sockptr_t optlen)
 {
-	int err, len, count, copycount;
+	int err, len, count, copycount, msf_size;
 	struct ip_mreqn	imr;
 	__be32 addr = msf->imsf_multiaddr;
 	struct ip_mc_socklist *pmc;
@@ -2579,12 +2578,15 @@ int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
 	copycount = count < msf->imsf_numsrc ? count : msf->imsf_numsrc;
 	len = flex_array_size(psl, sl_addr, copycount);
 	msf->imsf_numsrc = count;
-	if (put_user(IP_MSFILTER_SIZE(copycount), optlen) ||
-	    copy_to_user(optval, msf, IP_MSFILTER_SIZE(0))) {
+	msf_size = IP_MSFILTER_SIZE(copycount);
+	if (copy_to_sockptr(optlen, &msf_size, sizeof(int)) ||
+	    copy_to_sockptr(optval, msf, IP_MSFILTER_SIZE(0))) {
 		return -EFAULT;
 	}
 	if (len &&
-	    copy_to_user(&optval->imsf_slist_flex[0], psl->sl_addr, len))
+	    copy_to_sockptr_offset(optval,
+				   offsetof(struct ip_msfilter, imsf_slist_flex),
+				   psl->sl_addr, len))
 		return -EFAULT;
 	return 0;
 done:
@@ -2592,7 +2594,7 @@ int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
 }
 
 int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
-	struct sockaddr_storage __user *p)
+		 sockptr_t optval, size_t ss_offset)
 {
 	int i, count, copycount;
 	struct sockaddr_in *psin;
@@ -2622,15 +2624,17 @@ int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
 	count = psl ? psl->sl_count : 0;
 	copycount = count < gsf->gf_numsrc ? count : gsf->gf_numsrc;
 	gsf->gf_numsrc = count;
-	for (i = 0; i < copycount; i++, p++) {
+	for (i = 0; i < copycount; i++) {
 		struct sockaddr_storage ss;
 
 		psin = (struct sockaddr_in *)&ss;
 		memset(&ss, 0, sizeof(ss));
 		psin->sin_family = AF_INET;
 		psin->sin_addr.s_addr = psl->sl_addr[i];
-		if (copy_to_user(p, &ss, sizeof(ss)))
+		if (copy_to_sockptr_offset(optval, ss_offset,
+					   &ss, sizeof(ss)))
 			return -EFAULT;
+		ss_offset += sizeof(ss);
 	}
 	return 0;
 }
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 540002c9f3b35..3620dc739a5bf 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -1460,37 +1460,37 @@ static bool getsockopt_needs_rtnl(int optname)
 	return false;
 }
 
-static int ip_get_mcast_msfilter(struct sock *sk, void __user *optval,
-		int __user *optlen, int len)
+static int ip_get_mcast_msfilter(struct sock *sk, sockptr_t optval,
+				 sockptr_t optlen, int len)
 {
 	const int size0 = offsetof(struct group_filter, gf_slist_flex);
-	struct group_filter __user *p = optval;
 	struct group_filter gsf;
-	int num;
+	int num, gsf_size;
 	int err;
 
 	if (len < size0)
 		return -EINVAL;
-	if (copy_from_user(&gsf, p, size0))
+	if (copy_from_sockptr(&gsf, optval, size0))
 		return -EFAULT;
 
 	num = gsf.gf_numsrc;
-	err = ip_mc_gsfget(sk, &gsf, p->gf_slist_flex);
+	err = ip_mc_gsfget(sk, &gsf, optval,
+			   offsetof(struct group_filter, gf_slist_flex));
 	if (err)
 		return err;
 	if (gsf.gf_numsrc < num)
 		num = gsf.gf_numsrc;
-	if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
-	    copy_to_user(p, &gsf, size0))
+	gsf_size = GROUP_FILTER_SIZE(num);
+	if (copy_to_sockptr(optlen, &gsf_size, sizeof(int)) ||
+	    copy_to_sockptr(optval, &gsf, size0))
 		return -EFAULT;
 	return 0;
 }
 
-static int compat_ip_get_mcast_msfilter(struct sock *sk, void __user *optval,
-		int __user *optlen, int len)
+static int compat_ip_get_mcast_msfilter(struct sock *sk, sockptr_t optval,
+					sockptr_t optlen, int len)
 {
 	const int size0 = offsetof(struct compat_group_filter, gf_slist_flex);
-	struct compat_group_filter __user *p = optval;
 	struct compat_group_filter gf32;
 	struct group_filter gf;
 	int num;
@@ -1498,7 +1498,7 @@ static int compat_ip_get_mcast_msfilter(struct sock *sk, void __user *optval,
 
 	if (len < size0)
 		return -EINVAL;
-	if (copy_from_user(&gf32, p, size0))
+	if (copy_from_sockptr(&gf32, optval, size0))
 		return -EFAULT;
 
 	gf.gf_interface = gf32.gf_interface;
@@ -1506,21 +1506,24 @@ static int compat_ip_get_mcast_msfilter(struct sock *sk, void __user *optval,
 	num = gf.gf_numsrc = gf32.gf_numsrc;
 	gf.gf_group = gf32.gf_group;
 
-	err = ip_mc_gsfget(sk, &gf, p->gf_slist_flex);
+	err = ip_mc_gsfget(sk, &gf, optval,
+			   offsetof(struct compat_group_filter, gf_slist_flex));
 	if (err)
 		return err;
 	if (gf.gf_numsrc < num)
 		num = gf.gf_numsrc;
 	len = GROUP_FILTER_SIZE(num) - (sizeof(gf) - sizeof(gf32));
-	if (put_user(len, optlen) ||
-	    put_user(gf.gf_fmode, &p->gf_fmode) ||
-	    put_user(gf.gf_numsrc, &p->gf_numsrc))
+	if (copy_to_sockptr(optlen, &len, sizeof(int)) ||
+	    copy_to_sockptr_offset(optval, offsetof(struct compat_group_filter, gf_fmode),
+				   &gf.gf_fmode, sizeof(gf.gf_fmode)) ||
+	    copy_to_sockptr_offset(optval, offsetof(struct compat_group_filter, gf_numsrc),
+				   &gf.gf_numsrc, sizeof(gf.gf_numsrc)))
 		return -EFAULT;
 	return 0;
 }
 
 static int do_ip_getsockopt(struct sock *sk, int level, int optname,
-			    char __user *optval, int __user *optlen)
+			    sockptr_t optval, sockptr_t optlen)
 {
 	struct inet_sock *inet = inet_sk(sk);
 	bool needs_rtnl = getsockopt_needs_rtnl(optname);
@@ -1533,7 +1536,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 	if (ip_mroute_opt(optname))
 		return ip_mroute_getsockopt(sk, optname, optval, optlen);
 
-	if (get_user(len, optlen))
+	if (copy_from_sockptr(&len, optlen, sizeof(int)))
 		return -EFAULT;
 	if (len < 0)
 		return -EINVAL;
@@ -1558,15 +1561,17 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 			       inet_opt->opt.optlen);
 		release_sock(sk);
 
-		if (opt->optlen == 0)
-			return put_user(0, optlen);
+		if (opt->optlen == 0) {
+			len = 0;
+			return copy_to_sockptr(optlen, &len, sizeof(int));
+		}
 
 		ip_options_undo(opt);
 
 		len = min_t(unsigned int, len, opt->optlen);
-		if (put_user(len, optlen))
+		if (copy_to_sockptr(optlen, &len, sizeof(int)))
 			return -EFAULT;
-		if (copy_to_user(optval, opt->__data, len))
+		if (copy_to_sockptr(optval, opt->__data, len))
 			return -EFAULT;
 		return 0;
 	}
@@ -1657,9 +1662,9 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 		addr.s_addr = inet->mc_addr;
 		release_sock(sk);
 
-		if (put_user(len, optlen))
+		if (copy_to_sockptr(optlen, &len, sizeof(int)))
 			return -EFAULT;
-		if (copy_to_user(optval, &addr, len))
+		if (copy_to_sockptr(optval, &addr, len))
 			return -EFAULT;
 		return 0;
 	}
@@ -1671,12 +1676,11 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 			err = -EINVAL;
 			goto out;
 		}
-		if (copy_from_user(&msf, optval, IP_MSFILTER_SIZE(0))) {
+		if (copy_from_sockptr(&msf, optval, IP_MSFILTER_SIZE(0))) {
 			err = -EFAULT;
 			goto out;
 		}
-		err = ip_mc_msfget(sk, &msf,
-				   (struct ip_msfilter __user *)optval, optlen);
+		err = ip_mc_msfget(sk, &msf, optval, optlen);
 		goto out;
 	}
 	case MCAST_MSFILTER:
@@ -1698,8 +1702,13 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 		if (sk->sk_type != SOCK_STREAM)
 			return -ENOPROTOOPT;
 
-		msg.msg_control_is_user = true;
-		msg.msg_control_user = optval;
+		if (optval.is_kernel) {
+			msg.msg_control_is_user = false;
+			msg.msg_control = optval.kernel;
+		} else {
+			msg.msg_control_is_user = true;
+			msg.msg_control_user = optval.user;
+		}
 		msg.msg_controllen = len;
 		msg.msg_flags = in_compat_syscall() ? MSG_CMSG_COMPAT : 0;
 
@@ -1720,7 +1729,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 			put_cmsg(&msg, SOL_IP, IP_TOS, sizeof(tos), &tos);
 		}
 		len -= msg.msg_controllen;
-		return put_user(len, optlen);
+		return copy_to_sockptr(optlen, &len, sizeof(int));
 	}
 	case IP_FREEBIND:
 		val = inet->freebind;
@@ -1743,15 +1752,15 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 	if (len < sizeof(int) && len > 0 && val >= 0 && val <= 255) {
 		unsigned char ucval = (unsigned char)val;
 		len = 1;
-		if (put_user(len, optlen))
+		if (copy_to_sockptr(optlen, &len, sizeof(int)))
 			return -EFAULT;
-		if (copy_to_user(optval, &ucval, 1))
+		if (copy_to_sockptr(optval, &ucval, 1))
 			return -EFAULT;
 	} else {
 		len = min_t(unsigned int, sizeof(int), len);
-		if (put_user(len, optlen))
+		if (copy_to_sockptr(optlen, &len, sizeof(int)))
 			return -EFAULT;
-		if (copy_to_user(optval, &val, len))
+		if (copy_to_sockptr(optval, &val, len))
 			return -EFAULT;
 	}
 	return 0;
@@ -1768,7 +1777,8 @@ int ip_getsockopt(struct sock *sk, int level,
 {
 	int err;
 
-	err = do_ip_getsockopt(sk, level, optname, optval, optlen);
+	err = do_ip_getsockopt(sk, level, optname,
+			       USER_SOCKPTR(optval), USER_SOCKPTR(optlen));
 
 #if IS_ENABLED(CONFIG_BPFILTER_UMH)
 	if (optname >= BPFILTER_IPT_SO_GET_INFO &&
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index aea29d97f8dfa..eb3c09340aef8 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1540,7 +1540,8 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, sockptr_t optval,
 }
 
 /* Getsock opt support for the multicast routing system. */
-int ip_mroute_getsockopt(struct sock *sk, int optname, char __user *optval, int __user *optlen)
+int ip_mroute_getsockopt(struct sock *sk, int optname, sockptr_t optval,
+			 sockptr_t optlen)
 {
 	int olr;
 	int val;
@@ -1571,14 +1572,14 @@ int ip_mroute_getsockopt(struct sock *sk, int optname, char __user *optval, int
 		return -ENOPROTOOPT;
 	}
 
-	if (get_user(olr, optlen))
+	if (copy_from_sockptr(&olr, optlen, sizeof(int)))
 		return -EFAULT;
 	olr = min_t(unsigned int, olr, sizeof(int));
 	if (olr < 0)
 		return -EINVAL;
-	if (put_user(olr, optlen))
+	if (copy_to_sockptr(optlen, &olr, sizeof(int)))
 		return -EFAULT;
-	if (copy_to_user(optval, &val, olr))
+	if (copy_to_sockptr(optval, &val, olr))
 		return -EFAULT;
 	return 0;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 148/317] ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt() function
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (146 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 147/317] bpf: net: Change do_ip_getsockopt() " Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 149/317] l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt() function Sasha Levin
                   ` (171 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Gavrilov Ilia, David S . Miller, Sasha Levin

From: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>

[ Upstream commit 5c3be3e0eb44b7f978bb6cbb20ad956adb93f736 ]

The 'olr' variable can't be negative when assigned the result of
'min_t' because all 'min_t' parameters are cast to unsigned int,
and then the minimum one is chosen.

To fix the logic, check 'olr' as read from 'optlen',
where the types of relevant variables are (signed) int.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv4/ipmr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index eb3c09340aef8..c9a633559258c 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1574,9 +1574,11 @@ int ip_mroute_getsockopt(struct sock *sk, int optname, sockptr_t optval,
 
 	if (copy_from_sockptr(&olr, optlen, sizeof(int)))
 		return -EFAULT;
-	olr = min_t(unsigned int, olr, sizeof(int));
 	if (olr < 0)
 		return -EINVAL;
+
+	olr = min_t(unsigned int, olr, sizeof(int));
+
 	if (copy_to_sockptr(optlen, &olr, sizeof(int)))
 		return -EFAULT;
 	if (copy_to_sockptr(optval, &val, olr))
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 149/317] l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt() function
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (147 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 148/317] ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt() function Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 150/317] udp: fix incorrect parameter validation in the udp_lib_getsockopt() function Sasha Levin
                   ` (170 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Gavrilov Ilia, Tom Parkin, David S . Miller, Sasha Levin

From: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>

[ Upstream commit 955e9876ba4ee26eeaab1b13517f5b2c88e73d55 ]

The 'len' variable can't be negative when assigned the result of
'min_t' because all 'min_t' parameters are cast to unsigned int,
and then the minimum one is chosen.

To fix the logic, check 'len' as read from 'optlen',
where the types of relevant variables are (signed) int.

Fixes: 3557baabf280 ("[L2TP]: PPP over L2TP driver core")
Reviewed-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/l2tp/l2tp_ppp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 9cef8e080f644..55de42b000d8a 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -1357,11 +1357,11 @@ static int pppol2tp_getsockopt(struct socket *sock, int level, int optname,
 	if (get_user(len, optlen))
 		return -EFAULT;
 
-	len = min_t(unsigned int, len, sizeof(int));
-
 	if (len < 0)
 		return -EINVAL;
 
+	len = min_t(unsigned int, len, sizeof(int));
+
 	err = -ENOTCONN;
 	if (!sk->sk_user_data)
 		goto end;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 150/317] udp: fix incorrect parameter validation in the udp_lib_getsockopt() function
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (148 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 149/317] l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt() function Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 151/317] net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function Sasha Levin
                   ` (169 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Gavrilov Ilia, Willem de Bruijn, David S . Miller, Sasha Levin

From: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>

[ Upstream commit 4bb3ba7b74fceec6f558745b25a43c6521cf5506 ]

The 'len' variable can't be negative when assigned the result of
'min_t' because all 'min_t' parameters are cast to unsigned int,
and then the minimum one is chosen.

To fix the logic, check 'len' as read from 'optlen',
where the types of relevant variables are (signed) int.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv4/udp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index c454daa78a2f8..2caf54c241037 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2814,11 +2814,11 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname,
 	if (get_user(len, optlen))
 		return -EFAULT;
 
-	len = min_t(unsigned int, len, sizeof(int));
-
 	if (len < 0)
 		return -EINVAL;
 
+	len = min_t(unsigned int, len, sizeof(int));
+
 	switch (optname) {
 	case UDP_CORK:
 		val = READ_ONCE(up->corkflag);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 151/317] net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (149 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 150/317] udp: fix incorrect parameter validation in the udp_lib_getsockopt() function Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 152/317] net/x25: fix incorrect parameter validation in the x25_getsockopt() function Sasha Levin
                   ` (168 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Gavrilov Ilia, David S . Miller, Sasha Levin

From: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>

[ Upstream commit 3ed5f415133f9b7518fbe55ba9ae9a3f5e700929 ]

The 'len' variable can't be negative when assigned the result of
'min_t' because all 'min_t' parameters are cast to unsigned int,
and then the minimum one is chosen.

To fix the logic, check 'len' as read from 'optlen',
where the types of relevant variables are (signed) int.

Fixes: ab7ac4eb9832 ("kcm: Kernel Connection Multiplexor module")
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/kcm/kcmsock.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index 0d1ab4149553c..5457ca1909801 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -1275,10 +1275,11 @@ static int kcm_getsockopt(struct socket *sock, int level, int optname,
 	if (get_user(len, optlen))
 		return -EFAULT;
 
-	len = min_t(unsigned int, len, sizeof(int));
 	if (len < 0)
 		return -EINVAL;
 
+	len = min_t(unsigned int, len, sizeof(int));
+
 	switch (optname) {
 	case KCM_RECV_DISABLE:
 		val = kcm->rx_disabled;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 152/317] net/x25: fix incorrect parameter validation in the x25_getsockopt() function
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (150 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 151/317] net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 153/317] nfp: flower: handle acti_netdevs allocation failure Sasha Levin
                   ` (167 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Gavrilov Ilia, David S . Miller, Sasha Levin

From: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>

[ Upstream commit d6eb8de2015f0c24822e47356f839167ebde2945 ]

The 'len' variable can't be negative when assigned the result of
'min_t' because all 'min_t' parameters are cast to unsigned int,
and then the minimum one is chosen.

To fix the logic, check 'len' as read from 'optlen',
where the types of relevant variables are (signed) int.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/x25/af_x25.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 07f6206e7cb47..1e5152fdee589 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -460,12 +460,12 @@ static int x25_getsockopt(struct socket *sock, int level, int optname,
 	if (get_user(len, optlen))
 		goto out;
 
-	len = min_t(unsigned int, len, sizeof(int));
-
 	rc = -EINVAL;
 	if (len < 0)
 		goto out;
 
+	len = min_t(unsigned int, len, sizeof(int));
+
 	rc = -EFAULT;
 	if (put_user(len, optlen))
 		goto out;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 153/317] nfp: flower: handle acti_netdevs allocation failure
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (151 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 152/317] net/x25: fix incorrect parameter validation in the x25_getsockopt() function Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 154/317] dm raid: fix false positive for requeue needed during reshape Sasha Levin
                   ` (166 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Duoming Zhou, Louis Peens, Jakub Kicinski, Sasha Levin

From: Duoming Zhou <duoming@zju.edu.cn>

[ Upstream commit 84e95149bd341705f0eca6a7fcb955c548805002 ]

The kmalloc_array() in nfp_fl_lag_do_work() will return null, if
the physical memory has run out. As a result, if we dereference
the acti_netdevs, the null pointer dereference bugs will happen.

This patch adds a check to judge whether allocation failure occurs.
If it happens, the delayed work will be rescheduled and try again.

Fixes: bb9a8d031140 ("nfp: flower: monitor and offload LAG groups")
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Link: https://lore.kernel.org/r/20240308142540.9674-1-duoming@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/netronome/nfp/flower/lag_conf.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
index 63907aeb3884e..3167f9675ae0f 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
@@ -308,6 +308,11 @@ static void nfp_fl_lag_do_work(struct work_struct *work)
 
 		acti_netdevs = kmalloc_array(entry->slave_cnt,
 					     sizeof(*acti_netdevs), GFP_KERNEL);
+		if (!acti_netdevs) {
+			schedule_delayed_work(&lag->work,
+					      NFP_FL_LAG_DELAY);
+			continue;
+		}
 
 		/* Include sanity check in the loop. It may be that a bond has
 		 * changed between processing the last notification and the
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 154/317] dm raid: fix false positive for requeue needed during reshape
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (152 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 153/317] nfp: flower: handle acti_netdevs allocation failure Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 155/317] dm: call the resume method on internal suspend Sasha Levin
                   ` (165 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ming Lei, Patrick Plenefisch, Mike Snitzer, Sasha Levin

From: Ming Lei <ming.lei@redhat.com>

[ Upstream commit b25b8f4b8ecef0f48c05f0c3572daeabefe16526 ]

An empty flush doesn't have a payload, so it should never be looked at
when considering to possibly requeue a bio for the case when a reshape
is in progress.

Fixes: 9dbd1aa3a81c ("dm raid: add reshaping support to the target")
Reported-by: Patrick Plenefisch <simonpatp@gmail.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/md/dm-raid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 8d489933d5792..04769fb20cf7f 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3329,14 +3329,14 @@ static int raid_map(struct dm_target *ti, struct bio *bio)
 	struct mddev *mddev = &rs->md;
 
 	/*
-	 * If we're reshaping to add disk(s)), ti->len and
+	 * If we're reshaping to add disk(s), ti->len and
 	 * mddev->array_sectors will differ during the process
 	 * (ti->len > mddev->array_sectors), so we have to requeue
 	 * bios with addresses > mddev->array_sectors here or
 	 * there will occur accesses past EOD of the component
 	 * data images thus erroring the raid set.
 	 */
-	if (unlikely(bio_end_sector(bio) > mddev->array_sectors))
+	if (unlikely(bio_has_data(bio) && bio_end_sector(bio) > mddev->array_sectors))
 		return DM_MAPIO_REQUEUE;
 
 	md_handle_request(mddev, bio);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 155/317] dm: call the resume method on internal suspend
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (153 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 154/317] dm raid: fix false positive for requeue needed during reshape Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 156/317] drm/tegra: dsi: Add missing check for of_find_device_by_node Sasha Levin
                   ` (164 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Mikulas Patocka, Mike Snitzer, Sasha Levin

From: Mikulas Patocka <mpatocka@redhat.com>

[ Upstream commit 65e8fbde64520001abf1c8d0e573561b4746ef38 ]

There is this reported crash when experimenting with the lvm2 testsuite.
The list corruption is caused by the fact that the postsuspend and resume
methods were not paired correctly; there were two consecutive calls to the
origin_postsuspend function. The second call attempts to remove the
"hash_list" entry from a list, while it was already removed by the first
call.

Fix __dm_internal_resume so that it calls the preresume and resume
methods of the table's targets.

If a preresume method of some target fails, we are in a tricky situation.
We can't return an error because dm_internal_resume isn't supposed to
return errors. We can't return success, because then the "resume" and
"postsuspend" methods would not be paired correctly. So, we set the
DMF_SUSPENDED flag and we fake normal suspend - it may confuse userspace
tools, but it won't cause a kernel crash.

------------[ cut here ]------------
kernel BUG at lib/list_debug.c:56!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 1 PID: 8343 Comm: dmsetup Not tainted 6.8.0-rc6 #4
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014
RIP: 0010:__list_del_entry_valid_or_report+0x77/0xc0
<snip>
RSP: 0018:ffff8881b831bcc0 EFLAGS: 00010282
RAX: 000000000000004e RBX: ffff888143b6eb80 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff819053d0 RDI: 00000000ffffffff
RBP: ffff8881b83a3400 R08: 00000000fffeffff R09: 0000000000000058
R10: 0000000000000000 R11: ffffffff81a24080 R12: 0000000000000001
R13: ffff88814538e000 R14: ffff888143bc6dc0 R15: ffffffffa02e4bb0
FS:  00000000f7c0f780(0000) GS:ffff8893f0a40000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000057fb5000 CR3: 0000000143474000 CR4: 00000000000006b0
Call Trace:
 <TASK>
 ? die+0x2d/0x80
 ? do_trap+0xeb/0xf0
 ? __list_del_entry_valid_or_report+0x77/0xc0
 ? do_error_trap+0x60/0x80
 ? __list_del_entry_valid_or_report+0x77/0xc0
 ? exc_invalid_op+0x49/0x60
 ? __list_del_entry_valid_or_report+0x77/0xc0
 ? asm_exc_invalid_op+0x16/0x20
 ? table_deps+0x1b0/0x1b0 [dm_mod]
 ? __list_del_entry_valid_or_report+0x77/0xc0
 origin_postsuspend+0x1a/0x50 [dm_snapshot]
 dm_table_postsuspend_targets+0x34/0x50 [dm_mod]
 dm_suspend+0xd8/0xf0 [dm_mod]
 dev_suspend+0x1f2/0x2f0 [dm_mod]
 ? table_deps+0x1b0/0x1b0 [dm_mod]
 ctl_ioctl+0x300/0x5f0 [dm_mod]
 dm_compat_ctl_ioctl+0x7/0x10 [dm_mod]
 __x64_compat_sys_ioctl+0x104/0x170
 do_syscall_64+0x184/0x1b0
 entry_SYSCALL_64_after_hwframe+0x46/0x4e
RIP: 0033:0xf7e6aead
<snip>
---[ end trace 0000000000000000 ]---

Fixes: ffcc39364160 ("dm: enhance internal suspend and resume interface")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/md/dm.c | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index d6285a23dc3ed..fd9bb8b53219a 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2641,6 +2641,9 @@ static void __dm_internal_suspend(struct mapped_device *md, unsigned suspend_fla
 
 static void __dm_internal_resume(struct mapped_device *md)
 {
+	int r;
+	struct dm_table *map;
+
 	BUG_ON(!md->internal_suspend_count);
 
 	if (--md->internal_suspend_count)
@@ -2649,12 +2652,23 @@ static void __dm_internal_resume(struct mapped_device *md)
 	if (dm_suspended_md(md))
 		goto done; /* resume from nested suspend */
 
-	/*
-	 * NOTE: existing callers don't need to call dm_table_resume_targets
-	 * (which may fail -- so best to avoid it for now by passing NULL map)
-	 */
-	(void) __dm_resume(md, NULL);
-
+	map = rcu_dereference_protected(md->map, lockdep_is_held(&md->suspend_lock));
+	r = __dm_resume(md, map);
+	if (r) {
+		/*
+		 * If a preresume method of some target failed, we are in a
+		 * tricky situation. We can't return an error to the caller. We
+		 * can't fake success because then the "resume" and
+		 * "postsuspend" methods would not be paired correctly, and it
+		 * would break various targets, for example it would cause list
+		 * corruption in the "origin" target.
+		 *
+		 * So, we fake normal suspend here, to make sure that the
+		 * "resume" and "postsuspend" methods will be paired correctly.
+		 */
+		DMERR("Preresume method failed: %d", r);
+		set_bit(DMF_SUSPENDED, &md->flags);
+	}
 done:
 	clear_bit(DMF_SUSPENDED_INTERNALLY, &md->flags);
 	smp_mb__after_atomic();
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 156/317] drm/tegra: dsi: Add missing check for of_find_device_by_node
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (154 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 155/317] dm: call the resume method on internal suspend Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 157/317] drm/tegra: dpaux: Populate AUX bus Sasha Levin
                   ` (163 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Chen Ni, Thierry Reding, Sasha Levin

From: Chen Ni <nichen@iscas.ac.cn>

[ Upstream commit afe6fcb9775882230cd29b529203eabd5d2a638d ]

Add check for the return value of of_find_device_by_node() and return
the error if it fails in order to avoid NULL pointer dereference.

Fixes: e94236cde4d5 ("drm/tegra: dsi: Add ganged mode support")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231024080738.825553-1-nichen@iscas.ac.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/dsi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index de1333dc0d867..0adce882f157b 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -1534,9 +1534,11 @@ static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi)
 	np = of_parse_phandle(dsi->dev->of_node, "nvidia,ganged-mode", 0);
 	if (np) {
 		struct platform_device *gangster = of_find_device_by_node(np);
+		of_node_put(np);
+		if (!gangster)
+			return -EPROBE_DEFER;
 
 		dsi->slave = platform_get_drvdata(gangster);
-		of_node_put(np);
 
 		if (!dsi->slave) {
 			put_device(&gangster->dev);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 157/317] drm/tegra: dpaux: Populate AUX bus
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (155 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 156/317] drm/tegra: dsi: Add missing check for of_find_device_by_node Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 158/317] drm/tegra: dpaux: Fix PM disable depth imbalance in tegra_dpaux_probe Sasha Levin
                   ` (162 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Thierry Reding, Sasha Levin

From: Thierry Reding <treding@nvidia.com>

[ Upstream commit 8913e1aea4b32a866343b14e565c62cec54f3f78 ]

The DPAUX hardware block exposes an DP AUX interface that provides
access to an AUX bus and the devices on that bus. Use the DP AUX bus
infrastructure that was recently introduced to probe devices on this
bus from DT.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Stable-dep-of: 0800880f4eb7 ("drm/tegra: dpaux: Fix PM disable depth imbalance in tegra_dpaux_probe")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/Kconfig | 1 +
 drivers/gpu/drm/tegra/dpaux.c | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/tegra/Kconfig b/drivers/gpu/drm/tegra/Kconfig
index 1650a448eabd6..b09a500934f73 100644
--- a/drivers/gpu/drm/tegra/Kconfig
+++ b/drivers/gpu/drm/tegra/Kconfig
@@ -5,6 +5,7 @@ config DRM_TEGRA
 	depends on COMMON_CLK
 	depends on DRM
 	depends on OF
+	select DRM_DP_AUX_BUS
 	select DRM_KMS_HELPER
 	select DRM_MIPI_DSI
 	select DRM_PANEL
diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index c96c07c6458c3..12a92d09ac909 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -19,6 +19,7 @@
 #include <linux/workqueue.h>
 
 #include <drm/drm_dp_helper.h>
+#include <drm/drm_dp_aux_bus.h>
 #include <drm/drm_panel.h>
 
 #include "dp.h"
@@ -570,6 +571,12 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
 	list_add_tail(&dpaux->list, &dpaux_list);
 	mutex_unlock(&dpaux_lock);
 
+	err = devm_of_dp_aux_populate_ep_devices(&dpaux->aux);
+	if (err < 0) {
+		dev_err(dpaux->dev, "failed to populate AUX bus: %d\n", err);
+		return err;
+	}
+
 	return 0;
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 158/317] drm/tegra: dpaux: Fix PM disable depth imbalance in tegra_dpaux_probe
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (156 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 157/317] drm/tegra: dpaux: Populate AUX bus Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 159/317] drm/tegra: dsi: Make use of the helper function dev_err_probe() Sasha Levin
                   ` (161 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhang Shurong, Thierry Reding, Sasha Levin

From: Zhang Shurong <zhang_shurong@foxmail.com>

[ Upstream commit 0800880f4eb789b7d299db40f2e86e056bd33a4e ]

The pm_runtime_enable function increases the power disable depth,
which means that we must perform a matching decrement on the error
handling path to maintain balance within the given context.
Additionally, we need to address the same issue for pm_runtime_get_sync.
We fix this by invoking pm_runtime_disable and pm_runtime_put_sync
when error returns.

Fixes: 82b81b3ec1a7 ("drm/tegra: dpaux: Implement runtime PM")
Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/tencent_B13DB7F6C0023C46157250A524966F326A09@qq.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/dpaux.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 12a92d09ac909..a99f82dc7e6f7 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -525,7 +525,7 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
 	if (err < 0) {
 		dev_err(dpaux->dev, "failed to request IRQ#%u: %d\n",
 			dpaux->irq, err);
-		return err;
+		goto err_pm_disable;
 	}
 
 	disable_irq(dpaux->irq);
@@ -545,7 +545,7 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
 	 */
 	err = tegra_dpaux_pad_config(dpaux, DPAUX_PADCTL_FUNC_I2C);
 	if (err < 0)
-		return err;
+		goto err_pm_disable;
 
 #ifdef CONFIG_GENERIC_PINCONF
 	dpaux->desc.name = dev_name(&pdev->dev);
@@ -558,7 +558,8 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
 	dpaux->pinctrl = devm_pinctrl_register(&pdev->dev, &dpaux->desc, dpaux);
 	if (IS_ERR(dpaux->pinctrl)) {
 		dev_err(&pdev->dev, "failed to register pincontrol\n");
-		return PTR_ERR(dpaux->pinctrl);
+		err = PTR_ERR(dpaux->pinctrl);
+		goto err_pm_disable;
 	}
 #endif
 	/* enable and clear all interrupts */
@@ -574,10 +575,15 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
 	err = devm_of_dp_aux_populate_ep_devices(&dpaux->aux);
 	if (err < 0) {
 		dev_err(dpaux->dev, "failed to populate AUX bus: %d\n", err);
-		return err;
+		goto err_pm_disable;
 	}
 
 	return 0;
+
+err_pm_disable:
+	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
+	return err;
 }
 
 static int tegra_dpaux_remove(struct platform_device *pdev)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 159/317] drm/tegra: dsi: Make use of the helper function dev_err_probe()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (157 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 158/317] drm/tegra: dpaux: Fix PM disable depth imbalance in tegra_dpaux_probe Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 160/317] drm/tegra: dsi: Fix some error handling paths in tegra_dsi_probe() Sasha Levin
                   ` (160 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Cai Huoqing, Thierry Reding, Sasha Levin

From: Cai Huoqing <caihuoqing@baidu.com>

[ Upstream commit fc75e4fcbd1e4252a0481ebb23cd4516c127a8e2 ]

When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
And using dev_err_probe() can reduce code size, the error value
gets printed.

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Stable-dep-of: 830c1ded3563 ("drm/tegra: dsi: Fix some error handling paths in tegra_dsi_probe()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/dsi.c | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 0adce882f157b..6cbba2adb6e5a 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -1591,28 +1591,24 @@ static int tegra_dsi_probe(struct platform_device *pdev)
 	}
 
 	dsi->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(dsi->clk)) {
-		dev_err(&pdev->dev, "cannot get DSI clock\n");
-		return PTR_ERR(dsi->clk);
-	}
+	if (IS_ERR(dsi->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk),
+				     "cannot get DSI clock\n");
 
 	dsi->clk_lp = devm_clk_get(&pdev->dev, "lp");
-	if (IS_ERR(dsi->clk_lp)) {
-		dev_err(&pdev->dev, "cannot get low-power clock\n");
-		return PTR_ERR(dsi->clk_lp);
-	}
+	if (IS_ERR(dsi->clk_lp))
+		return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_lp),
+				     "cannot get low-power clock\n");
 
 	dsi->clk_parent = devm_clk_get(&pdev->dev, "parent");
-	if (IS_ERR(dsi->clk_parent)) {
-		dev_err(&pdev->dev, "cannot get parent clock\n");
-		return PTR_ERR(dsi->clk_parent);
-	}
+	if (IS_ERR(dsi->clk_parent))
+		return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_parent),
+				     "cannot get parent clock\n");
 
 	dsi->vdd = devm_regulator_get(&pdev->dev, "avdd-dsi-csi");
-	if (IS_ERR(dsi->vdd)) {
-		dev_err(&pdev->dev, "cannot get VDD supply\n");
-		return PTR_ERR(dsi->vdd);
-	}
+	if (IS_ERR(dsi->vdd))
+		return dev_err_probe(&pdev->dev, PTR_ERR(dsi->vdd),
+				     "cannot get VDD supply\n");
 
 	err = tegra_dsi_setup_clocks(dsi);
 	if (err < 0) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 160/317] drm/tegra: dsi: Fix some error handling paths in tegra_dsi_probe()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (158 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 159/317] drm/tegra: dsi: Make use of the helper function dev_err_probe() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 161/317] drm/tegra: dsi: Fix missing pm_runtime_disable() in the error handling path of tegra_dsi_probe() Sasha Levin
                   ` (159 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Thierry Reding, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 830c1ded356369cd1303e8bb87ce3fea6e744de8 ]

If an error occurs after calling tegra_output_probe(),
tegra_output_remove() should be called as already done in the remove
function.

Fixes: dec727399a4b ("drm/tegra: Add DSI support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/16820073278d031f6c474a08d5f22a255158585e.1693667005.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/dsi.c | 54 ++++++++++++++++++++++++-------------
 1 file changed, 35 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 6cbba2adb6e5a..815e32e05f600 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -1586,44 +1586,58 @@ static int tegra_dsi_probe(struct platform_device *pdev)
 
 	if (!pdev->dev.pm_domain) {
 		dsi->rst = devm_reset_control_get(&pdev->dev, "dsi");
-		if (IS_ERR(dsi->rst))
-			return PTR_ERR(dsi->rst);
+		if (IS_ERR(dsi->rst)) {
+			err = PTR_ERR(dsi->rst);
+			goto remove;
+		}
 	}
 
 	dsi->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(dsi->clk))
-		return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk),
-				     "cannot get DSI clock\n");
+	if (IS_ERR(dsi->clk)) {
+		err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk),
+				    "cannot get DSI clock\n");
+		goto remove;
+	}
 
 	dsi->clk_lp = devm_clk_get(&pdev->dev, "lp");
-	if (IS_ERR(dsi->clk_lp))
-		return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_lp),
-				     "cannot get low-power clock\n");
+	if (IS_ERR(dsi->clk_lp)) {
+		err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_lp),
+				    "cannot get low-power clock\n");
+		goto remove;
+	}
 
 	dsi->clk_parent = devm_clk_get(&pdev->dev, "parent");
-	if (IS_ERR(dsi->clk_parent))
-		return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_parent),
-				     "cannot get parent clock\n");
+	if (IS_ERR(dsi->clk_parent)) {
+		err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_parent),
+				    "cannot get parent clock\n");
+		goto remove;
+	}
 
 	dsi->vdd = devm_regulator_get(&pdev->dev, "avdd-dsi-csi");
-	if (IS_ERR(dsi->vdd))
-		return dev_err_probe(&pdev->dev, PTR_ERR(dsi->vdd),
-				     "cannot get VDD supply\n");
+	if (IS_ERR(dsi->vdd)) {
+		err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->vdd),
+				    "cannot get VDD supply\n");
+		goto remove;
+	}
 
 	err = tegra_dsi_setup_clocks(dsi);
 	if (err < 0) {
 		dev_err(&pdev->dev, "cannot setup clocks\n");
-		return err;
+		goto remove;
 	}
 
 	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	dsi->regs = devm_ioremap_resource(&pdev->dev, regs);
-	if (IS_ERR(dsi->regs))
-		return PTR_ERR(dsi->regs);
+	if (IS_ERR(dsi->regs)) {
+		err = PTR_ERR(dsi->regs);
+		goto remove;
+	}
 
 	dsi->mipi = tegra_mipi_request(&pdev->dev, pdev->dev.of_node);
-	if (IS_ERR(dsi->mipi))
-		return PTR_ERR(dsi->mipi);
+	if (IS_ERR(dsi->mipi)) {
+		err = PTR_ERR(dsi->mipi);
+		goto remove;
+	}
 
 	dsi->host.ops = &tegra_dsi_host_ops;
 	dsi->host.dev = &pdev->dev;
@@ -1654,6 +1668,8 @@ static int tegra_dsi_probe(struct platform_device *pdev)
 	mipi_dsi_host_unregister(&dsi->host);
 mipi_free:
 	tegra_mipi_free(dsi->mipi);
+remove:
+	tegra_output_remove(&dsi->output);
 	return err;
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 161/317] drm/tegra: dsi: Fix missing pm_runtime_disable() in the error handling path of tegra_dsi_probe()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (159 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 160/317] drm/tegra: dsi: Fix some error handling paths in tegra_dsi_probe() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 162/317] drm/tegra: dc: rgb: Allow changing PLLD rate on Tegra30+ Sasha Levin
                   ` (158 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Thierry Reding, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 5286a9fc280c45b6b307ee1b07f7a997e042252c ]

If an error occurs after calling pm_runtime_enable(), pm_runtime_disable()
should be called as already done in the remove function.

Fixes: ef8187d75265 ("drm/tegra: dsi: Implement runtime PM")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ee4a15c9cd4b574a55cd67c30d2411239ba2cee9.1693667005.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/dsi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 815e32e05f600..7bb26655cb3cc 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -1665,6 +1665,7 @@ static int tegra_dsi_probe(struct platform_device *pdev)
 	return 0;
 
 unregister:
+	pm_runtime_disable(&pdev->dev);
 	mipi_dsi_host_unregister(&dsi->host);
 mipi_free:
 	tegra_mipi_free(dsi->mipi);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 162/317] drm/tegra: dc: rgb: Allow changing PLLD rate on Tegra30+
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (160 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 161/317] drm/tegra: dsi: Fix missing pm_runtime_disable() in the error handling path of tegra_dsi_probe() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 163/317] drm/tegra: rgb: Fix some error handling paths in tegra_dc_rgb_probe() Sasha Levin
                   ` (157 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Dmitry Osipenko, Maxim Schwalm, Thierry Reding, Sasha Levin

From: Dmitry Osipenko <digetx@gmail.com>

[ Upstream commit 0c921b6d4ba06bc899fd84d3ce1c1afd3d00bc1c ]

Asus Transformer TF700T is a Tegra30 tablet device which uses RGB->DSI
bridge that requires a precise clock rate in order to operate properly.
Tegra30 has a dedicated PLL for each display controller, hence the PLL
rate can be changed freely. Allow PLL rate changes on Tegra30+ for RGB
output. Configure the clock rate before display controller is enabled
since DC itself may be running off this PLL and it's not okay to change
the rate of the active PLL that doesn't support dynamic frequency
switching since hardware will hang.

Tested-by: Maxim Schwalm <maxim.schwalm@gmail.com> #TF700T
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Stable-dep-of: bc456b5d93db ("drm/tegra: rgb: Fix some error handling paths in tegra_dc_rgb_probe()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/dc.c  | 27 ++++++++++++--------
 drivers/gpu/drm/tegra/dc.h  |  1 +
 drivers/gpu/drm/tegra/rgb.c | 49 +++++++++++++++++++++++++++++++++++--
 3 files changed, 65 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index abb409b08bc64..f44a64e896587 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -1762,10 +1762,9 @@ int tegra_dc_state_setup_clock(struct tegra_dc *dc,
 	return 0;
 }
 
-static void tegra_dc_commit_state(struct tegra_dc *dc,
-				  struct tegra_dc_state *state)
+static void tegra_dc_set_clock_rate(struct tegra_dc *dc,
+				    struct tegra_dc_state *state)
 {
-	u32 value;
 	int err;
 
 	err = clk_set_parent(dc->clk, state->clk);
@@ -1796,11 +1795,6 @@ static void tegra_dc_commit_state(struct tegra_dc *dc,
 	DRM_DEBUG_KMS("rate: %lu, div: %u\n", clk_get_rate(dc->clk),
 		      state->div);
 	DRM_DEBUG_KMS("pclk: %lu\n", state->pclk);
-
-	if (!dc->soc->has_nvdisplay) {
-		value = SHIFT_CLK_DIVIDER(state->div) | PIXEL_CLK_DIVIDER_PCD1;
-		tegra_dc_writel(dc, value, DC_DISP_DISP_CLOCK_CONTROL);
-	}
 }
 
 static void tegra_dc_stop(struct tegra_dc *dc)
@@ -2002,6 +1996,9 @@ static void tegra_crtc_atomic_enable(struct drm_crtc *crtc,
 	u32 value;
 	int err;
 
+	/* apply PLL changes */
+	tegra_dc_set_clock_rate(dc, crtc_state);
+
 	err = host1x_client_resume(&dc->client);
 	if (err < 0) {
 		dev_err(dc->dev, "failed to resume: %d\n", err);
@@ -2076,8 +2073,11 @@ static void tegra_crtc_atomic_enable(struct drm_crtc *crtc,
 	else
 		tegra_dc_writel(dc, 0, DC_DISP_BORDER_COLOR);
 
-	/* apply PLL and pixel clock changes */
-	tegra_dc_commit_state(dc, crtc_state);
+	/* apply pixel clock changes */
+	if (!dc->soc->has_nvdisplay) {
+		value = SHIFT_CLK_DIVIDER(crtc_state->div) | PIXEL_CLK_DIVIDER_PCD1;
+		tegra_dc_writel(dc, value, DC_DISP_DISP_CLOCK_CONTROL);
+	}
 
 	/* program display mode */
 	tegra_dc_set_timings(dc, mode);
@@ -2685,6 +2685,7 @@ static const struct tegra_dc_soc_info tegra20_dc_soc_info = {
 	.has_win_b_vfilter_mem_client = true,
 	.has_win_c_without_vert_filter = true,
 	.plane_tiled_memory_bandwidth_x2 = false,
+	.has_pll_d2_out0 = false,
 };
 
 static const struct tegra_dc_soc_info tegra30_dc_soc_info = {
@@ -2707,6 +2708,7 @@ static const struct tegra_dc_soc_info tegra30_dc_soc_info = {
 	.has_win_b_vfilter_mem_client = true,
 	.has_win_c_without_vert_filter = false,
 	.plane_tiled_memory_bandwidth_x2 = true,
+	.has_pll_d2_out0 = true,
 };
 
 static const struct tegra_dc_soc_info tegra114_dc_soc_info = {
@@ -2729,6 +2731,7 @@ static const struct tegra_dc_soc_info tegra114_dc_soc_info = {
 	.has_win_b_vfilter_mem_client = false,
 	.has_win_c_without_vert_filter = false,
 	.plane_tiled_memory_bandwidth_x2 = true,
+	.has_pll_d2_out0 = true,
 };
 
 static const struct tegra_dc_soc_info tegra124_dc_soc_info = {
@@ -2751,6 +2754,7 @@ static const struct tegra_dc_soc_info tegra124_dc_soc_info = {
 	.has_win_b_vfilter_mem_client = false,
 	.has_win_c_without_vert_filter = false,
 	.plane_tiled_memory_bandwidth_x2 = false,
+	.has_pll_d2_out0 = true,
 };
 
 static const struct tegra_dc_soc_info tegra210_dc_soc_info = {
@@ -2773,6 +2777,7 @@ static const struct tegra_dc_soc_info tegra210_dc_soc_info = {
 	.has_win_b_vfilter_mem_client = false,
 	.has_win_c_without_vert_filter = false,
 	.plane_tiled_memory_bandwidth_x2 = false,
+	.has_pll_d2_out0 = true,
 };
 
 static const struct tegra_windowgroup_soc tegra186_dc_wgrps[] = {
@@ -2823,6 +2828,7 @@ static const struct tegra_dc_soc_info tegra186_dc_soc_info = {
 	.wgrps = tegra186_dc_wgrps,
 	.num_wgrps = ARRAY_SIZE(tegra186_dc_wgrps),
 	.plane_tiled_memory_bandwidth_x2 = false,
+	.has_pll_d2_out0 = false,
 };
 
 static const struct tegra_windowgroup_soc tegra194_dc_wgrps[] = {
@@ -2873,6 +2879,7 @@ static const struct tegra_dc_soc_info tegra194_dc_soc_info = {
 	.wgrps = tegra194_dc_wgrps,
 	.num_wgrps = ARRAY_SIZE(tegra194_dc_wgrps),
 	.plane_tiled_memory_bandwidth_x2 = false,
+	.has_pll_d2_out0 = false,
 };
 
 static const struct of_device_id tegra_dc_of_match[] = {
diff --git a/drivers/gpu/drm/tegra/dc.h b/drivers/gpu/drm/tegra/dc.h
index 40378308d527a..c9c4c45c05183 100644
--- a/drivers/gpu/drm/tegra/dc.h
+++ b/drivers/gpu/drm/tegra/dc.h
@@ -76,6 +76,7 @@ struct tegra_dc_soc_info {
 	bool has_win_b_vfilter_mem_client;
 	bool has_win_c_without_vert_filter;
 	bool plane_tiled_memory_bandwidth_x2;
+	bool has_pll_d2_out0;
 };
 
 struct tegra_dc {
diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index 606c78a2b988f..a84aee2f4acd0 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -17,6 +17,8 @@ struct tegra_rgb {
 	struct tegra_output output;
 	struct tegra_dc *dc;
 
+	struct clk *pll_d_out0;
+	struct clk *pll_d2_out0;
 	struct clk *clk_parent;
 	struct clk *clk;
 };
@@ -123,6 +125,18 @@ static void tegra_rgb_encoder_enable(struct drm_encoder *encoder)
 	tegra_dc_commit(rgb->dc);
 }
 
+static bool tegra_rgb_pll_rate_change_allowed(struct tegra_rgb *rgb)
+{
+	if (!rgb->pll_d2_out0)
+		return false;
+
+	if (!clk_is_match(rgb->clk_parent, rgb->pll_d_out0) &&
+	    !clk_is_match(rgb->clk_parent, rgb->pll_d2_out0))
+		return false;
+
+	return true;
+}
+
 static int
 tegra_rgb_encoder_atomic_check(struct drm_encoder *encoder,
 			       struct drm_crtc_state *crtc_state,
@@ -151,8 +165,17 @@ tegra_rgb_encoder_atomic_check(struct drm_encoder *encoder,
 	 * and hope that the desired frequency can be matched (or at least
 	 * matched sufficiently close that the panel will still work).
 	 */
-	div = ((clk_get_rate(rgb->clk) * 2) / pclk) - 2;
-	pclk = 0;
+	if (tegra_rgb_pll_rate_change_allowed(rgb)) {
+		/*
+		 * Set display controller clock to x2 of PCLK in order to
+		 * produce higher resolution pulse positions.
+		 */
+		div = 2;
+		pclk *= 2;
+	} else {
+		div = ((clk_get_rate(rgb->clk) * 2) / pclk) - 2;
+		pclk = 0;
+	}
 
 	err = tegra_dc_state_setup_clock(dc, crtc_state, rgb->clk_parent,
 					 pclk, div);
@@ -210,6 +233,22 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc)
 		return err;
 	}
 
+	rgb->pll_d_out0 = clk_get_sys(NULL, "pll_d_out0");
+	if (IS_ERR(rgb->pll_d_out0)) {
+		err = PTR_ERR(rgb->pll_d_out0);
+		dev_err(dc->dev, "failed to get pll_d_out0: %d\n", err);
+		return err;
+	}
+
+	if (dc->soc->has_pll_d2_out0) {
+		rgb->pll_d2_out0 = clk_get_sys(NULL, "pll_d2_out0");
+		if (IS_ERR(rgb->pll_d2_out0)) {
+			err = PTR_ERR(rgb->pll_d2_out0);
+			dev_err(dc->dev, "failed to get pll_d2_out0: %d\n", err);
+			return err;
+		}
+	}
+
 	dc->rgb = &rgb->output;
 
 	return 0;
@@ -217,9 +256,15 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc)
 
 int tegra_dc_rgb_remove(struct tegra_dc *dc)
 {
+	struct tegra_rgb *rgb;
+
 	if (!dc->rgb)
 		return 0;
 
+	rgb = to_rgb(dc->rgb);
+	clk_put(rgb->pll_d2_out0);
+	clk_put(rgb->pll_d_out0);
+
 	tegra_output_remove(dc->rgb);
 	dc->rgb = NULL;
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 163/317] drm/tegra: rgb: Fix some error handling paths in tegra_dc_rgb_probe()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (161 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 162/317] drm/tegra: dc: rgb: Allow changing PLLD rate on Tegra30+ Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 164/317] drm/tegra: rgb: Fix missing clk_put() in the error handling paths of tegra_dc_rgb_probe() Sasha Levin
                   ` (156 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Thierry Reding, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit bc456b5d93dbfdbd89f2a036f4f3d8026595f9e4 ]

If an error occurs after calling tegra_output_probe(),
tegra_output_remove() should be called as already done in the remove
function.

Fixes: 59d29c0ec93f ("drm/tegra: Allocate resources at probe time")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/0001f61eb89048bc36241629b564195689cf54b6.1693667005.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/rgb.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index a84aee2f4acd0..51144faa70f7c 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -218,26 +218,28 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc)
 	rgb->clk = devm_clk_get(dc->dev, NULL);
 	if (IS_ERR(rgb->clk)) {
 		dev_err(dc->dev, "failed to get clock\n");
-		return PTR_ERR(rgb->clk);
+		err = PTR_ERR(rgb->clk);
+		goto remove;
 	}
 
 	rgb->clk_parent = devm_clk_get(dc->dev, "parent");
 	if (IS_ERR(rgb->clk_parent)) {
 		dev_err(dc->dev, "failed to get parent clock\n");
-		return PTR_ERR(rgb->clk_parent);
+		err = PTR_ERR(rgb->clk_parent);
+		goto remove;
 	}
 
 	err = clk_set_parent(rgb->clk, rgb->clk_parent);
 	if (err < 0) {
 		dev_err(dc->dev, "failed to set parent clock: %d\n", err);
-		return err;
+		goto remove;
 	}
 
 	rgb->pll_d_out0 = clk_get_sys(NULL, "pll_d_out0");
 	if (IS_ERR(rgb->pll_d_out0)) {
 		err = PTR_ERR(rgb->pll_d_out0);
 		dev_err(dc->dev, "failed to get pll_d_out0: %d\n", err);
-		return err;
+		goto remove;
 	}
 
 	if (dc->soc->has_pll_d2_out0) {
@@ -245,13 +247,17 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc)
 		if (IS_ERR(rgb->pll_d2_out0)) {
 			err = PTR_ERR(rgb->pll_d2_out0);
 			dev_err(dc->dev, "failed to get pll_d2_out0: %d\n", err);
-			return err;
+			goto remove;
 		}
 	}
 
 	dc->rgb = &rgb->output;
 
 	return 0;
+
+remove:
+	tegra_output_remove(&rgb->output);
+	return err;
 }
 
 int tegra_dc_rgb_remove(struct tegra_dc *dc)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 164/317] drm/tegra: rgb: Fix missing clk_put() in the error handling paths of tegra_dc_rgb_probe()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (162 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 163/317] drm/tegra: rgb: Fix some error handling paths in tegra_dc_rgb_probe() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 165/317] drm/tegra: output: Fix missing i2c_put_adapter() in the error handling paths of tegra_output_probe() Sasha Levin
                   ` (155 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Thierry Reding, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 45c8034db47842b25a3ab6139d71e13b4e67b9b3 ]

If clk_get_sys(..., "pll_d2_out0") fails, the clk_get_sys() call must be
undone.

Add the missing clk_put and a new 'put_pll_d_out0' label in the error
handling path, and use it.

Fixes: 0c921b6d4ba0 ("drm/tegra: dc: rgb: Allow changing PLLD rate on Tegra30+")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/0182895ead4e4730426616b0d9995954c960b634.1693667005.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/rgb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index 51144faa70f7c..761cfd49c4876 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -247,7 +247,7 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc)
 		if (IS_ERR(rgb->pll_d2_out0)) {
 			err = PTR_ERR(rgb->pll_d2_out0);
 			dev_err(dc->dev, "failed to get pll_d2_out0: %d\n", err);
-			goto remove;
+			goto put_pll;
 		}
 	}
 
@@ -255,6 +255,8 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc)
 
 	return 0;
 
+put_pll:
+	clk_put(rgb->pll_d_out0);
 remove:
 	tegra_output_remove(&rgb->output);
 	return err;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 165/317] drm/tegra: output: Fix missing i2c_put_adapter() in the error handling paths of tegra_output_probe()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (163 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 164/317] drm/tegra: rgb: Fix missing clk_put() in the error handling paths of tegra_dc_rgb_probe() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 166/317] drm/rockchip: inno_hdmi: Fix video timing Sasha Levin
                   ` (154 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Thierry Reding, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 2db4578ef6ffb2b52115ca0ebf897b60ec559556 ]

If an error occurs after a successful of_get_i2c_adapter_by_node() call, it
should be undone by a corresponding i2c_put_adapter().

Add the missing i2c_put_adapter() call.

Fixes: 9be7d864cf07 ("drm/tegra: Implement panel support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b38604178991e1f08b2cda219103be266be2d680.1693667005.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/output.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index 47d26b5d99456..7ccd010a821b7 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -139,8 +139,10 @@ int tegra_output_probe(struct tegra_output *output)
 						       GPIOD_IN,
 						       "HDMI hotplug detect");
 	if (IS_ERR(output->hpd_gpio)) {
-		if (PTR_ERR(output->hpd_gpio) != -ENOENT)
-			return PTR_ERR(output->hpd_gpio);
+		if (PTR_ERR(output->hpd_gpio) != -ENOENT) {
+			err = PTR_ERR(output->hpd_gpio);
+			goto put_i2c;
+		}
 
 		output->hpd_gpio = NULL;
 	}
@@ -149,7 +151,7 @@ int tegra_output_probe(struct tegra_output *output)
 		err = gpiod_to_irq(output->hpd_gpio);
 		if (err < 0) {
 			dev_err(output->dev, "gpiod_to_irq(): %d\n", err);
-			return err;
+			goto put_i2c;
 		}
 
 		output->hpd_irq = err;
@@ -162,7 +164,7 @@ int tegra_output_probe(struct tegra_output *output)
 		if (err < 0) {
 			dev_err(output->dev, "failed to request IRQ#%u: %d\n",
 				output->hpd_irq, err);
-			return err;
+			goto put_i2c;
 		}
 
 		output->connector.polled = DRM_CONNECTOR_POLL_HPD;
@@ -176,6 +178,12 @@ int tegra_output_probe(struct tegra_output *output)
 	}
 
 	return 0;
+
+put_i2c:
+	if (output->ddc)
+		i2c_put_adapter(output->ddc);
+
+	return err;
 }
 
 void tegra_output_remove(struct tegra_output *output)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 166/317] drm/rockchip: inno_hdmi: Fix video timing
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (164 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 165/317] drm/tegra: output: Fix missing i2c_put_adapter() in the error handling paths of tegra_output_probe() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 167/317] drm: Don't treat 0 as -1 in drm_fixp2int_ceil Sasha Levin
                   ` (153 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Alex Bee, Zheng Yang, Heiko Stuebner, Sasha Levin

From: Alex Bee <knaerzche@gmail.com>

[ Upstream commit 47a145c03484d33e65d773169d5ca1b9fe2a492e ]

The controller wants the difference between *total and *sync_start in the
HDMI_VIDEO_EXT_*DELAY registers. Otherwise the signal is very unstable for
certain non-VIC modes. See downstream commit [0].

[0] https://github.com/rockchip-linux/kernel/commit/8eb559f2502c

Fixes: 412d4ae6b7a5 ("drm/rockchip: hdmi: add Innosilicon HDMI support")
Co-developed-by: Zheng Yang <zhengyang@rock-chips.com>
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20231222174220.55249-4-knaerzche@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/rockchip/inno_hdmi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 78120da5e63aa..27540d308ccb9 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -402,7 +402,7 @@ static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi,
 	hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_L, value & 0xFF);
 	hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_H, (value >> 8) & 0xFF);
 
-	value = mode->hsync_start - mode->hdisplay;
+	value = mode->htotal - mode->hsync_start;
 	hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_L, value & 0xFF);
 	hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_H, (value >> 8) & 0xFF);
 
@@ -417,7 +417,7 @@ static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi,
 	value = mode->vtotal - mode->vdisplay;
 	hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VBLANK, value & 0xFF);
 
-	value = mode->vsync_start - mode->vdisplay;
+	value = mode->vtotal - mode->vsync_start;
 	hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VDELAY, value & 0xFF);
 
 	value = mode->vsync_end - mode->vsync_start;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 167/317] drm: Don't treat 0 as -1 in drm_fixp2int_ceil
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (165 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 166/317] drm/rockchip: inno_hdmi: Fix video timing Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 168/317] drm/ttm: add ttm_resource_fini v2 Sasha Levin
                   ` (152 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Harry Wentland, Simon Ser, Melissa Wen, Melissa Wen, Sasha Levin

From: Harry Wentland <harry.wentland@amd.com>

[ Upstream commit cf8837d7204481026335461629b84ac7f4538fa5 ]

Unit testing this in VKMS shows that passing 0 into
this function returns -1, which is highly counter-
intuitive. Fix it by checking whether the input is
>= 0 instead of > 0.

Fixes: 64566b5e767f ("drm: Add drm_fixp_from_fraction and drm_fixp2int_ceil")
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231108163647.106853-2-harry.wentland@amd.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/drm/drm_fixed.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h
index 553210c02ee0f..627efa56e59fb 100644
--- a/include/drm/drm_fixed.h
+++ b/include/drm/drm_fixed.h
@@ -88,7 +88,7 @@ static inline int drm_fixp2int(s64 a)
 
 static inline int drm_fixp2int_ceil(s64 a)
 {
-	if (a > 0)
+	if (a >= 0)
 		return drm_fixp2int(a + DRM_FIXED_ALMOST_ONE);
 	else
 		return drm_fixp2int(a - DRM_FIXED_ALMOST_ONE);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 168/317] drm/ttm: add ttm_resource_fini v2
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (166 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 167/317] drm: Don't treat 0 as -1 in drm_fixp2int_ceil Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 169/317] drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node Sasha Levin
                   ` (151 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christian König, Daniel Vetter, Sasha Levin

From: Christian König <christian.koenig@amd.com>

[ Upstream commit de3688e469b08be958914674e8b01cb0cea42388 ]

Make sure we call the common cleanup function in all
implementations of the resource manager.

v2: fix missing case in i915, rudimentary kerneldoc, should be
    filled in more when we add more functionality

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124122514.1832-2-christian.koenig@amd.com
Stable-dep-of: 89709105a609 ("drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c   |  2 ++
 .../gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c   |  1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c  |  2 ++
 drivers/gpu/drm/i915/i915_ttm_buddy_manager.c |  2 ++
 drivers/gpu/drm/nouveau/nouveau_mem.c         |  3 ++-
 drivers/gpu/drm/nouveau/nouveau_mem.h         |  3 ++-
 drivers/gpu/drm/nouveau/nouveau_ttm.c         |  9 ++++----
 drivers/gpu/drm/ttm/ttm_range_manager.c       |  2 ++
 drivers/gpu/drm/ttm/ttm_resource.c            | 23 +++++++++++++++++++
 drivers/gpu/drm/ttm/ttm_sys_manager.c         |  1 +
 drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c |  2 ++
 .../gpu/drm/vmwgfx/vmwgfx_system_manager.c    |  1 +
 include/drm/ttm/ttm_resource.h                |  3 +++
 13 files changed, 48 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index 675a72ef305da..ea5470c8c9212 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -169,6 +169,7 @@ static int amdgpu_gtt_mgr_new(struct ttm_resource_manager *man,
 	return 0;
 
 err_free:
+	ttm_resource_fini(man, &node->base.base);
 	kfree(node);
 
 err_out:
@@ -200,6 +201,7 @@ static void amdgpu_gtt_mgr_del(struct ttm_resource_manager *man,
 	if (!(res->placement & TTM_PL_FLAG_TEMPORARY))
 		atomic64_sub(res->num_pages, &mgr->used);
 
+	ttm_resource_fini(man, res);
 	kfree(node);
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c
index d02c8637f909f..ffddec08e931f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c
@@ -95,6 +95,7 @@ static void amdgpu_preempt_mgr_del(struct ttm_resource_manager *man,
 	struct amdgpu_preempt_mgr *mgr = to_preempt_mgr(man);
 
 	atomic64_sub(res->num_pages, &mgr->used);
+	ttm_resource_fini(man, res);
 	kfree(res);
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 7b2b0980ec412..55d68408951d1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -476,6 +476,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
 	while (i--)
 		drm_mm_remove_node(&node->mm_nodes[i]);
 	spin_unlock(&mgr->lock);
+	ttm_resource_fini(man, &node->base);
 	kvfree(node);
 
 error_sub:
@@ -515,6 +516,7 @@ static void amdgpu_vram_mgr_del(struct ttm_resource_manager *man,
 	atomic64_sub(usage, &mgr->usage);
 	atomic64_sub(vis_usage, &mgr->vis_usage);
 
+	ttm_resource_fini(man, res);
 	kvfree(node);
 }
 
diff --git a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
index 6877362f6b85f..5740087f9ce93 100644
--- a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
+++ b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
@@ -109,6 +109,7 @@ static int i915_ttm_buddy_man_alloc(struct ttm_resource_manager *man,
 	i915_buddy_free_list(mm, &bman_res->blocks);
 	mutex_unlock(&bman->lock);
 err_free_res:
+	ttm_resource_fini(man, &bman_res->base);
 	kfree(bman_res);
 	return err;
 }
@@ -123,6 +124,7 @@ static void i915_ttm_buddy_man_free(struct ttm_resource_manager *man,
 	i915_buddy_free_list(&bman->mm, &bman_res->blocks);
 	mutex_unlock(&bman->lock);
 
+	ttm_resource_fini(man, res);
 	kfree(bman_res);
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 2ca3207c13fcd..2e517cdc24c9c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -162,11 +162,12 @@ nouveau_mem_vram(struct ttm_resource *reg, bool contig, u8 page)
 }
 
 void
-nouveau_mem_del(struct ttm_resource *reg)
+nouveau_mem_del(struct ttm_resource_manager *man, struct ttm_resource *reg)
 {
 	struct nouveau_mem *mem = nouveau_mem(reg);
 
 	nouveau_mem_fini(mem);
+	ttm_resource_fini(man, reg);
 	kfree(mem);
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.h b/drivers/gpu/drm/nouveau/nouveau_mem.h
index 2c01166a90f25..325551eba5cd4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.h
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.h
@@ -23,7 +23,8 @@ nouveau_mem(struct ttm_resource *reg)
 
 int nouveau_mem_new(struct nouveau_cli *, u8 kind, u8 comp,
 		    struct ttm_resource **);
-void nouveau_mem_del(struct ttm_resource *);
+void nouveau_mem_del(struct ttm_resource_manager *man,
+		     struct ttm_resource *);
 int nouveau_mem_vram(struct ttm_resource *, bool contig, u8 page);
 int nouveau_mem_host(struct ttm_resource *, struct ttm_tt *);
 void nouveau_mem_fini(struct nouveau_mem *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c
index 2ca9d9a9e5d5e..91ef33f8f22cb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_ttm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c
@@ -36,9 +36,10 @@
 #include <core/tegra.h>
 
 static void
-nouveau_manager_del(struct ttm_resource_manager *man, struct ttm_resource *reg)
+nouveau_manager_del(struct ttm_resource_manager *man,
+		    struct ttm_resource *reg)
 {
-	nouveau_mem_del(reg);
+	nouveau_mem_del(man, reg);
 }
 
 static int
@@ -62,7 +63,7 @@ nouveau_vram_manager_new(struct ttm_resource_manager *man,
 
 	ret = nouveau_mem_vram(*res, nvbo->contig, nvbo->page);
 	if (ret) {
-		nouveau_mem_del(*res);
+		nouveau_mem_del(man, *res);
 		return ret;
 	}
 
@@ -118,7 +119,7 @@ nv04_gart_manager_new(struct ttm_resource_manager *man,
 	ret = nvif_vmm_get(&mem->cli->vmm.vmm, PTES, false, 12, 0,
 			   (long)(*res)->num_pages << PAGE_SHIFT, &mem->vma[0]);
 	if (ret) {
-		nouveau_mem_del(*res);
+		nouveau_mem_del(man, *res);
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/ttm/ttm_range_manager.c b/drivers/gpu/drm/ttm/ttm_range_manager.c
index f4b08a8705b32..69962b5769c54 100644
--- a/drivers/gpu/drm/ttm/ttm_range_manager.c
+++ b/drivers/gpu/drm/ttm/ttm_range_manager.c
@@ -89,6 +89,7 @@ static int ttm_range_man_alloc(struct ttm_resource_manager *man,
 	spin_unlock(&rman->lock);
 
 	if (unlikely(ret)) {
+		ttm_resource_fini(man, *res);
 		kfree(node);
 		return ret;
 	}
@@ -108,6 +109,7 @@ static void ttm_range_man_free(struct ttm_resource_manager *man,
 	drm_mm_remove_node(&node->mm_nodes[0]);
 	spin_unlock(&rman->lock);
 
+	ttm_resource_fini(man, res);
 	kfree(node);
 }
 
diff --git a/drivers/gpu/drm/ttm/ttm_resource.c b/drivers/gpu/drm/ttm/ttm_resource.c
index 2431717376e70..2c590b4c46cb7 100644
--- a/drivers/gpu/drm/ttm/ttm_resource.c
+++ b/drivers/gpu/drm/ttm/ttm_resource.c
@@ -29,6 +29,14 @@
 #include <drm/ttm/ttm_resource.h>
 #include <drm/ttm/ttm_bo_driver.h>
 
+/**
+ * ttm_resource_init - resource object constructure
+ * @bo: buffer object this resources is allocated for
+ * @place: placement of the resource
+ * @res: the resource object to inistilize
+ *
+ * Initialize a new resource object. Counterpart of &ttm_resource_fini.
+ */
 void ttm_resource_init(struct ttm_buffer_object *bo,
                        const struct ttm_place *place,
                        struct ttm_resource *res)
@@ -44,6 +52,21 @@ void ttm_resource_init(struct ttm_buffer_object *bo,
 }
 EXPORT_SYMBOL(ttm_resource_init);
 
+/**
+ * ttm_resource_fini - resource destructor
+ * @man: the resource manager this resource belongs to
+ * @res: the resource to clean up
+ *
+ * Should be used by resource manager backends to clean up the TTM resource
+ * objects before freeing the underlying structure. Counterpart of
+ * &ttm_resource_init
+ */
+void ttm_resource_fini(struct ttm_resource_manager *man,
+		       struct ttm_resource *res)
+{
+}
+EXPORT_SYMBOL(ttm_resource_fini);
+
 int ttm_resource_alloc(struct ttm_buffer_object *bo,
 		       const struct ttm_place *place,
 		       struct ttm_resource **res_ptr)
diff --git a/drivers/gpu/drm/ttm/ttm_sys_manager.c b/drivers/gpu/drm/ttm/ttm_sys_manager.c
index 63aca52f75e12..135394dcca95a 100644
--- a/drivers/gpu/drm/ttm/ttm_sys_manager.c
+++ b/drivers/gpu/drm/ttm/ttm_sys_manager.c
@@ -23,6 +23,7 @@ static int ttm_sys_man_alloc(struct ttm_resource_manager *man,
 static void ttm_sys_man_free(struct ttm_resource_manager *man,
 			     struct ttm_resource *res)
 {
+	ttm_resource_fini(man, res);
 	kfree(res);
 }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
index b2c4af331c9d5..bfd686bb8d194 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
@@ -116,6 +116,7 @@ static int vmw_gmrid_man_get_node(struct ttm_resource_manager *man,
 	gman->used_gmr_pages -= (*res)->num_pages;
 	spin_unlock(&gman->lock);
 	ida_free(&gman->gmr_ida, id);
+	ttm_resource_fini(man, *res);
 	kfree(*res);
 	return -ENOSPC;
 }
@@ -129,6 +130,7 @@ static void vmw_gmrid_man_put_node(struct ttm_resource_manager *man,
 	spin_lock(&gman->lock);
 	gman->used_gmr_pages -= res->num_pages;
 	spin_unlock(&gman->lock);
+	ttm_resource_fini(man, res);
 	kfree(res);
 }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c
index b0005b03a6174..a64188c7268d5 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c
@@ -49,6 +49,7 @@ static int vmw_sys_man_alloc(struct ttm_resource_manager *man,
 static void vmw_sys_man_free(struct ttm_resource_manager *man,
 			     struct ttm_resource *res)
 {
+	ttm_resource_fini(man, res);
 	kfree(res);
 }
 
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index 140b6b9a8bbe6..dd6929f0c4f6d 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -262,6 +262,9 @@ ttm_resource_manager_cleanup(struct ttm_resource_manager *man)
 void ttm_resource_init(struct ttm_buffer_object *bo,
                        const struct ttm_place *place,
                        struct ttm_resource *res);
+void ttm_resource_fini(struct ttm_resource_manager *man,
+		       struct ttm_resource *res);
+
 int ttm_resource_alloc(struct ttm_buffer_object *bo,
 		       const struct ttm_place *place,
 		       struct ttm_resource **res);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 169/317] drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (167 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 168/317] drm/ttm: add ttm_resource_fini v2 Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 170/317] drm/rockchip: lvds: do not overwrite error code Sasha Levin
                   ` (150 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhipeng Lu, Zack Rusin, Sasha Levin

From: Zhipeng Lu <alexious@zju.edu.cn>

[ Upstream commit 89709105a6091948ffb6ec2427954cbfe45358ce ]

When ida_alloc_max fails, resources allocated before should be freed,
including *res allocated by kmalloc and ttm_resource_init.

Fixes: d3bcb4b02fe9 ("drm/vmwgfx: switch the TTM backends to self alloc")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231204091416.3308430-1-alexious@zju.edu.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
index bfd686bb8d194..eef7bab8bc3a6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
@@ -64,8 +64,11 @@ static int vmw_gmrid_man_get_node(struct ttm_resource_manager *man,
 	ttm_resource_init(bo, place, *res);
 
 	id = ida_alloc_max(&gman->gmr_ida, gman->max_gmr_ids - 1, GFP_KERNEL);
-	if (id < 0)
+	if (id < 0) {
+		ttm_resource_fini(man, *res);
+		kfree(*res);
 		return id;
+	}
 
 	spin_lock(&gman->lock);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 170/317] drm/rockchip: lvds: do not overwrite error code
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (168 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 169/317] drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 171/317] drm/rockchip: lvds: do not print scary message when probing defer Sasha Levin
                   ` (149 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Quentin Schulz, Quentin Schulz, Heiko Stuebner, Sasha Levin

From: Quentin Schulz <quentin.schulz@theobroma-systems.com>

[ Upstream commit 79b09453c4e369ca81cfb670d0136d089e3b92f0 ]

ret variable stores the return value of drm_of_find_panel_or_bridge
which can return error codes different from EPROBE_DEFER. Therefore,
let's just return that error code instead of forcing it to EPROBE_DEFER.

Fixes: 34cc0aa25456 ("drm/rockchip: Add support for Rockchip Soc LVDS")
Cc: Quentin Schulz <foss+kernel@0leil.net>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20231120-rk-lvds-defer-msg-v2-1-9c59a5779cf9@theobroma-systems.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/rockchip/rockchip_lvds.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c
index 2550429df49fe..4cae30979a790 100644
--- a/drivers/gpu/drm/rockchip/rockchip_lvds.c
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -573,7 +573,6 @@ static int rockchip_lvds_bind(struct device *dev, struct device *master,
 		goto err_put_port;
 	} else if (ret) {
 		DRM_DEV_ERROR(dev, "failed to find panel and bridge node\n");
-		ret = -EPROBE_DEFER;
 		goto err_put_port;
 	}
 	if (lvds->panel)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 171/317] drm/rockchip: lvds: do not print scary message when probing defer
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (169 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 170/317] drm/rockchip: lvds: do not overwrite error code Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 172/317] drm/lima: fix a memleak in lima_heap_alloc Sasha Levin
                   ` (148 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Quentin Schulz, Quentin Schulz, Heiko Stuebner, Sasha Levin

From: Quentin Schulz <quentin.schulz@theobroma-systems.com>

[ Upstream commit 52d11c863ac92e36a0365249f7f6d27ac48c78bc ]

This scary message can misled the user into thinking something bad has
happened and needs to be fixed, however it could simply be part of a
normal boot process where EPROBE_DEFER is taken into account. Therefore,
let's use dev_err_probe so that this message doesn't get shown (by
default) when the return code is EPROBE_DEFER.

Fixes: 34cc0aa25456 ("drm/rockchip: Add support for Rockchip Soc LVDS")
Cc: Quentin Schulz <foss+kernel@0leil.net>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20231120-rk-lvds-defer-msg-v2-2-9c59a5779cf9@theobroma-systems.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/rockchip/rockchip_lvds.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c
index 4cae30979a790..d3a7f8d94b781 100644
--- a/drivers/gpu/drm/rockchip/rockchip_lvds.c
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -572,7 +572,7 @@ static int rockchip_lvds_bind(struct device *dev, struct device *master,
 		ret = -EINVAL;
 		goto err_put_port;
 	} else if (ret) {
-		DRM_DEV_ERROR(dev, "failed to find panel and bridge node\n");
+		dev_err_probe(dev, ret, "failed to find panel and bridge node\n");
 		goto err_put_port;
 	}
 	if (lvds->panel)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 172/317] drm/lima: fix a memleak in lima_heap_alloc
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (170 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 171/317] drm/rockchip: lvds: do not print scary message when probing defer Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 173/317] dmaengine: tegra210-adma: Update dependency to ARCH_TEGRA Sasha Levin
                   ` (147 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhipeng Lu, Qiang Yu, Sasha Levin

From: Zhipeng Lu <alexious@zju.edu.cn>

[ Upstream commit 04ae3eb470e52a3c41babe85ff8cee195e4dcbea ]

When lima_vm_map_bo fails, the resources need to be deallocated, or
there will be memleaks.

Fixes: 6aebc51d7aef ("drm/lima: support heap buffer creation")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240117071328.3811480-1-alexious@zju.edu.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/lima/lima_gem.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c
index 09ea621a4806c..65c4327b6d10c 100644
--- a/drivers/gpu/drm/lima/lima_gem.c
+++ b/drivers/gpu/drm/lima/lima_gem.c
@@ -74,29 +74,34 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm)
 	} else {
 		bo->base.sgt = kmalloc(sizeof(*bo->base.sgt), GFP_KERNEL);
 		if (!bo->base.sgt) {
-			sg_free_table(&sgt);
-			return -ENOMEM;
+			ret = -ENOMEM;
+			goto err_out0;
 		}
 	}
 
 	ret = dma_map_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0);
-	if (ret) {
-		sg_free_table(&sgt);
-		kfree(bo->base.sgt);
-		bo->base.sgt = NULL;
-		return ret;
-	}
+	if (ret)
+		goto err_out1;
 
 	*bo->base.sgt = sgt;
 
 	if (vm) {
 		ret = lima_vm_map_bo(vm, bo, old_size >> PAGE_SHIFT);
 		if (ret)
-			return ret;
+			goto err_out2;
 	}
 
 	bo->heap_size = new_size;
 	return 0;
+
+err_out2:
+	dma_unmap_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0);
+err_out1:
+	kfree(bo->base.sgt);
+	bo->base.sgt = NULL;
+err_out0:
+	sg_free_table(&sgt);
+	return ret;
 }
 
 int lima_gem_create_handle(struct drm_device *dev, struct drm_file *file,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 173/317] dmaengine: tegra210-adma: Update dependency to ARCH_TEGRA
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (171 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 172/317] drm/lima: fix a memleak in lima_heap_alloc Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 174/317] media: tc358743: register v4l2 async device only after successful setup Sasha Levin
                   ` (146 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Peter Robinson, Jon Hunter, Thierry Reding, Sameer Pujar,
	Laxman Dewangan, Vinod Koul, Sasha Levin

From: Peter Robinson <pbrobinson@gmail.com>

[ Upstream commit 33b7db45533af240fe44e809f9dc4d604cf82d07 ]

Update the architecture dependency to be the generic Tegra
because the driver works on the four latest Tegra generations
not just T210, if you build a kernel with a specific
ARCH_TEGRA_xxx_SOC option that excludes 210 you don't get
this driver.

Fixes: 433de642a76c9 ("dmaengine: tegra210-adma: add support for Tegra186/Tegra194")
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Cc: Jon Hunter <jonathanh@nvidia.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Sameer Pujar <spujar@nvidia.com>
Cc: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20240112093310.329642-2-pbrobinson@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/dma/Kconfig | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index e1beddcc8c84a..143fb0f8c07fa 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -645,16 +645,16 @@ config TEGRA20_APB_DMA
 
 config TEGRA210_ADMA
 	tristate "NVIDIA Tegra210 ADMA support"
-	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
+	depends on (ARCH_TEGRA || COMPILE_TEST)
 	select DMA_ENGINE
 	select DMA_VIRTUAL_CHANNELS
 	help
-	  Support for the NVIDIA Tegra210 ADMA controller driver. The
-	  DMA controller has multiple DMA channels and is used to service
-	  various audio clients in the Tegra210 audio processing engine
-	  (APE). This DMA controller transfers data from memory to
-	  peripheral and vice versa. It does not support memory to
-	  memory data transfer.
+	  Support for the NVIDIA Tegra210/Tegra186/Tegra194/Tegra234 ADMA
+	  controller driver. The DMA controller has multiple DMA channels
+	  and is used to service various audio clients in the Tegra210
+	  audio processing engine (APE). This DMA controller transfers
+	  data from memory to peripheral and vice versa. It does not
+	  support memory to memory data transfer.
 
 config TIMB_DMA
 	tristate "Timberdale FPGA DMA support"
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 174/317] media: tc358743: register v4l2 async device only after successful setup
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (172 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 173/317] dmaengine: tegra210-adma: Update dependency to ARCH_TEGRA Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 175/317] PCI/DPC: Print all TLP Prefixes, not just the first Sasha Levin
                   ` (145 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Alexander Stein, Robert Foss, Sasha Levin

From: Alexander Stein <alexander.stein@ew.tq-group.com>

[ Upstream commit 87399f1ff92203d65f1febf5919429f4bb613a02 ]

Ensure the device has been setup correctly before registering the v4l2
async device, thus allowing userspace to access.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Fixes: 4c5211a10039 ("[media] tc358743: register v4l2 asynchronous subdevice")
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240110090111.458115-1-alexander.stein@ew.tq-group.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/i2c/tc358743.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index 3205cd8298dd8..4c6852dc40a90 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -2108,9 +2108,6 @@ static int tc358743_probe(struct i2c_client *client)
 	state->mbus_fmt_code = MEDIA_BUS_FMT_RGB888_1X24;
 
 	sd->dev = &client->dev;
-	err = v4l2_async_register_subdev(sd);
-	if (err < 0)
-		goto err_hdl;
 
 	mutex_init(&state->confctl_mutex);
 
@@ -2168,6 +2165,10 @@ static int tc358743_probe(struct i2c_client *client)
 	if (err)
 		goto err_work_queues;
 
+	err = v4l2_async_register_subdev(sd);
+	if (err < 0)
+		goto err_work_queues;
+
 	v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
 		  client->addr << 1, client->adapter->name);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 175/317] PCI/DPC: Print all TLP Prefixes, not just the first
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (173 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 174/317] media: tc358743: register v4l2 async device only after successful setup Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 176/317] perf record: Fix possible incorrect free in record__switch_output() Sasha Levin
                   ` (144 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Ilpo Järvinen, Bjorn Helgaas, Sasha Levin

From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

[ Upstream commit 6568d82512b0a64809acff3d7a747362fa4288c8 ]

The TLP Prefix Log Register consists of multiple DWORDs (PCIe r6.1 sec
7.9.14.13) but the loop in dpc_process_rp_pio_error() keeps reading from
the first DWORD, so we print only the first PIO TLP Prefix (duplicated
several times), and we never print the second, third, etc., Prefixes.

Add the iteration count based offset calculation into the config read.

Fixes: f20c4ea49ec4 ("PCI/DPC: Add eDPC support")
Link: https://lore.kernel.org/r/20240118110815.3867-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
[bhelgaas: add user-visible details to commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pci/pcie/dpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c
index f21d64ae4ffcc..cf0d4ba2e157a 100644
--- a/drivers/pci/pcie/dpc.c
+++ b/drivers/pci/pcie/dpc.c
@@ -231,7 +231,7 @@ static void dpc_process_rp_pio_error(struct pci_dev *pdev)
 
 	for (i = 0; i < pdev->dpc_rp_log_size - 5; i++) {
 		pci_read_config_dword(pdev,
-			cap + PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG, &prefix);
+			cap + PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG + i * 4, &prefix);
 		pci_err(pdev, "TLP Prefix Header: dw%d, %#010x\n", i, prefix);
 	}
  clear_status:
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 176/317] perf record: Fix possible incorrect free in record__switch_output()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (174 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 175/317] PCI/DPC: Print all TLP Prefixes, not just the first Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 177/317] HID: lenovo: Add middleclick_workaround sysfs knob for cptkbd Sasha Levin
                   ` (143 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Yang Jihong, Namhyung Kim, Sasha Levin

From: Yang Jihong <yangjihong1@huawei.com>

[ Upstream commit aff10a165201f6f60cff225083ce301ad3f5d8f1 ]

perf_data__switch() may not assign a legal value to 'new_filename'.
In this case, 'new_filename' uses the on-stack value, which may cause a
incorrect free and unexpected result.

Fixes: 03724b2e9c45 ("perf record: Allow to limit number of reported perf.data files")
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240119040304.3708522-2-yangjihong1@huawei.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/perf/builtin-record.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index b3509d9d20cc2..b92c26f6aa1d7 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1277,8 +1277,8 @@ static int
 record__switch_output(struct record *rec, bool at_exit)
 {
 	struct perf_data *data = &rec->data;
+	char *new_filename = NULL;
 	int fd, err;
-	char *new_filename;
 
 	/* Same Size:      "2015122520103046"*/
 	char timestamp[] = "InvalidTimestamp";
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 177/317] HID: lenovo: Add middleclick_workaround sysfs knob for cptkbd
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (175 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 176/317] perf record: Fix possible incorrect free in record__switch_output() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 178/317] drm/amd/display: Fix a potential buffer overflow in 'dp_dsc_clock_en_read()' Sasha Levin
                   ` (142 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Mikhail Khvainitski, Jiri Kosina, Sasha Levin

From: Mikhail Khvainitski <me@khvoinitsky.org>

[ Upstream commit 2814646f76f8518326964f12ff20aaee70ba154d ]

Previous attempt to autodetect well-behaving patched firmware
introduced in commit 46a0a2c96f0f ("HID: lenovo: Detect quirk-free fw
on cptkbd and stop applying workaround") has shown that there are
false-positives on original firmware (on both 1st gen and 2nd gen
keyboards) which causes the middle button click workaround to be
mistakenly disabled.

This commit adds explicit parameter to sysfs to control this
workaround.

Fixes: 46a0a2c96f0f ("HID: lenovo: Detect quirk-free fw on cptkbd and stop applying workaround")
Fixes: 43527a0094c1 ("HID: lenovo: Restrict detection of patched firmware only to USB cptkbd")
Signed-off-by: Mikhail Khvainitski <me@khvoinitsky.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hid/hid-lenovo.c | 57 +++++++++++++++++++++++++++-------------
 1 file changed, 39 insertions(+), 18 deletions(-)

diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index 965bddaa90aee..44fd4a05ace38 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -53,10 +53,10 @@ struct lenovo_drvdata {
 	/* 0: Up
 	 * 1: Down (undecided)
 	 * 2: Scrolling
-	 * 3: Patched firmware, disable workaround
 	 */
 	u8 middlebutton_state;
 	bool fn_lock;
+	bool middleclick_workaround_cptkbd;
 };
 
 #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
@@ -469,6 +469,36 @@ static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
 	return count;
 }
 
+static ssize_t attr_middleclick_workaround_show_cptkbd(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct hid_device *hdev = to_hid_device(dev);
+	struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
+
+	return snprintf(buf, PAGE_SIZE, "%u\n",
+		cptkbd_data->middleclick_workaround_cptkbd);
+}
+
+static ssize_t attr_middleclick_workaround_store_cptkbd(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t count)
+{
+	struct hid_device *hdev = to_hid_device(dev);
+	struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
+	int value;
+
+	if (kstrtoint(buf, 10, &value))
+		return -EINVAL;
+	if (value < 0 || value > 1)
+		return -EINVAL;
+
+	cptkbd_data->middleclick_workaround_cptkbd = !!value;
+
+	return count;
+}
+
 
 static struct device_attribute dev_attr_fn_lock =
 	__ATTR(fn_lock, S_IWUSR | S_IRUGO,
@@ -480,10 +510,16 @@ static struct device_attribute dev_attr_sensitivity_cptkbd =
 			attr_sensitivity_show_cptkbd,
 			attr_sensitivity_store_cptkbd);
 
+static struct device_attribute dev_attr_middleclick_workaround_cptkbd =
+	__ATTR(middleclick_workaround, S_IWUSR | S_IRUGO,
+			attr_middleclick_workaround_show_cptkbd,
+			attr_middleclick_workaround_store_cptkbd);
+
 
 static struct attribute *lenovo_attributes_cptkbd[] = {
 	&dev_attr_fn_lock.attr,
 	&dev_attr_sensitivity_cptkbd.attr,
+	&dev_attr_middleclick_workaround_cptkbd.attr,
 	NULL
 };
 
@@ -534,23 +570,7 @@ static int lenovo_event_cptkbd(struct hid_device *hdev,
 {
 	struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
 
-	if (cptkbd_data->middlebutton_state != 3) {
-		/* REL_X and REL_Y events during middle button pressed
-		 * are only possible on patched, bug-free firmware
-		 * so set middlebutton_state to 3
-		 * to never apply workaround anymore
-		 */
-		if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD &&
-				cptkbd_data->middlebutton_state == 1 &&
-				usage->type == EV_REL &&
-				(usage->code == REL_X || usage->code == REL_Y)) {
-			cptkbd_data->middlebutton_state = 3;
-			/* send middle button press which was hold before */
-			input_event(field->hidinput->input,
-				EV_KEY, BTN_MIDDLE, 1);
-			input_sync(field->hidinput->input);
-		}
-
+	if (cptkbd_data->middleclick_workaround_cptkbd) {
 		/* "wheel" scroll events */
 		if (usage->type == EV_REL && (usage->code == REL_WHEEL ||
 				usage->code == REL_HWHEEL)) {
@@ -1015,6 +1035,7 @@ static int lenovo_probe_cptkbd(struct hid_device *hdev)
 	cptkbd_data->middlebutton_state = 0;
 	cptkbd_data->fn_lock = true;
 	cptkbd_data->sensitivity = 0x05;
+	cptkbd_data->middleclick_workaround_cptkbd = true;
 	lenovo_features_set_cptkbd(hdev);
 
 	ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 178/317] drm/amd/display: Fix a potential buffer overflow in 'dp_dsc_clock_en_read()'
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (176 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 177/317] HID: lenovo: Add middleclick_workaround sysfs knob for cptkbd Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 179/317] drm/amd/display: Fix potential NULL pointer dereferences in 'dcn10_set_output_transfer_func()' Sasha Levin
                   ` (141 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Srinivasan Shanmugam, Alex Hung, Qingqing Zhuo, Rodrigo Siqueira,
	Aurabindo Pillai, Alex Deucher, Harry Wentland, Sasha Levin

From: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>

[ Upstream commit 4b09715f1504f1b6e8dff0e9643630610bc05141 ]

Tell snprintf() to store at most 10 bytes in the output buffer
instead of 30.

Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1508 dp_dsc_clock_en_read() error: snprintf() is printing too much 30 vs 10

Fixes: c06e09b76639 ("drm/amd/display: Add DSC parameters logging to debugfs")
Cc: Alex Hung <alex.hung@amd.com>
Cc: Qingqing Zhuo <qingqing.zhuo@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 6d694cea24201..ed2f6802b0e20 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -1304,7 +1304,7 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf,
 	const uint32_t rd_buf_size = 10;
 	struct pipe_ctx *pipe_ctx;
 	ssize_t result = 0;
-	int i, r, str_len = 30;
+	int i, r, str_len = 10;
 
 	rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 179/317] drm/amd/display: Fix potential NULL pointer dereferences in 'dcn10_set_output_transfer_func()'
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (177 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 178/317] drm/amd/display: Fix a potential buffer overflow in 'dp_dsc_clock_en_read()' Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 180/317] perf evsel: Fix duplicate initialization of data->id in evsel__parse_sample() Sasha Levin
                   ` (140 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Srinivasan Shanmugam, Wyatt Wood, Anthony Koo, Rodrigo Siqueira,
	Aurabindo Pillai, Alex Deucher, Sasha Levin

From: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>

[ Upstream commit 9ccfe80d022df7c595f1925afb31de2232900656 ]

The 'stream' pointer is used in dcn10_set_output_transfer_func() before
the check if 'stream' is NULL.

Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn10/dcn10_hwseq.c:1892 dcn10_set_output_transfer_func() warn: variable dereferenced before check 'stream' (see line 1875)

Fixes: ddef02de0d71 ("drm/amd/display: add null checks before logging")
Cc: Wyatt Wood <wyatt.wood@amd.com>
Cc: Anthony Koo <Anthony.Koo@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index aa5a1fa68da05..bc603c8af3b66 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1745,6 +1745,9 @@ bool dcn10_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
 {
 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
 
+	if (!stream)
+		return false;
+
 	if (dpp == NULL)
 		return false;
 
@@ -1767,8 +1770,8 @@ bool dcn10_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
 	} else
 		dpp->funcs->dpp_program_regamma_pwl(dpp, NULL, OPP_REGAMMA_BYPASS);
 
-	if (stream != NULL && stream->ctx != NULL &&
-			stream->out_transfer_func != NULL) {
+	if (stream->ctx &&
+	    stream->out_transfer_func) {
 		log_tf(stream->ctx,
 				stream->out_transfer_func,
 				dpp->regamma_params.hw_points_num);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 180/317] perf evsel: Fix duplicate initialization of data->id in evsel__parse_sample()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (178 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 179/317] drm/amd/display: Fix potential NULL pointer dereferences in 'dcn10_set_output_transfer_func()' Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 181/317] PCI/AER: Fix rootport attribute paths in ABI docs Sasha Levin
                   ` (139 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yang Jihong, Arnaldo Carvalho de Melo, Ian Rogers, Namhyung Kim,
	Sasha Levin

From: Yang Jihong <yangjihong1@huawei.com>

[ Upstream commit 4962aec0d684c8edb14574ccd0da53e4926ff834 ]

data->id has been initialized at line 2362, remove duplicate initialization.

Fixes: 3ad31d8a0df2 ("perf evsel: Centralize perf_sample initialization")
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240127025756.4041808-1-yangjihong1@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/perf/util/evsel.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index c87f9974c0c10..c19a583ca9f66 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -2252,7 +2252,6 @@ int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
 	data->period = evsel->core.attr.sample_period;
 	data->cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
 	data->misc    = event->header.misc;
-	data->id = -1ULL;
 	data->data_src = PERF_MEM_DATA_SRC_NONE;
 
 	if (event->header.type != PERF_RECORD_SAMPLE) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 181/317] PCI/AER: Fix rootport attribute paths in ABI docs
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (179 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 180/317] perf evsel: Fix duplicate initialization of data->id in evsel__parse_sample() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 182/317] clk: meson: Add missing clocks to axg_clk_regmaps Sasha Levin
                   ` (138 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Johan Hovold, Bjorn Helgaas, Sasha Levin

From: Johan Hovold <johan+linaro@kernel.org>

[ Upstream commit 0e7d29a39a546161ea3a49e8e282a43212d7ff68 ]

The 'aer_stats' directory never made it into the sixth and final revision
of the series adding the sysfs AER attributes.

Link: https://lore.kernel.org/r/20240202131635.11405-2-johan+linaro@kernel.org
Link: https://lore.kernel.org/lkml/20180621184822.GB14136@bhelgaas-glaptop.roam.corp.google.com/
Fixes: 12833017e581 ("PCI/AER: Add sysfs attributes for rootport cumulative stats")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats b/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats
index 860db53037a58..24087d5fd417a 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats
+++ b/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats
@@ -100,19 +100,19 @@ collectors) that are AER capable. These indicate the number of error messages as
 device, so these counters include them and are thus cumulative of all the error
 messages on the PCI hierarchy originating at that root port.
 
-What:		/sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_cor
+What:		/sys/bus/pci/devices/<dev>/aer_rootport_total_err_cor
 Date:		July 2018
 KernelVersion: 4.19.0
 Contact:	linux-pci@vger.kernel.org, rajatja@google.com
 Description:	Total number of ERR_COR messages reported to rootport.
 
-What:	    /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_fatal
+What:		/sys/bus/pci/devices/<dev>/aer_rootport_total_err_fatal
 Date:		July 2018
 KernelVersion: 4.19.0
 Contact:	linux-pci@vger.kernel.org, rajatja@google.com
 Description:	Total number of ERR_FATAL messages reported to rootport.
 
-What:	    /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_nonfatal
+What:		/sys/bus/pci/devices/<dev>/aer_rootport_total_err_nonfatal
 Date:		July 2018
 KernelVersion: 4.19.0
 Contact:	linux-pci@vger.kernel.org, rajatja@google.com
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 182/317] clk: meson: Add missing clocks to axg_clk_regmaps
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (180 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 181/317] PCI/AER: Fix rootport attribute paths in ABI docs Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 183/317] media: em28xx: annotate unchecked call to media_device_register() Sasha Levin
                   ` (137 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Igor Prusov, Jerome Brunet, Sasha Levin

From: Igor Prusov <ivprusov@salutedevices.com>

[ Upstream commit ba535bce57e71463a86f8b33a0ea88c26e3a6418 ]

Some clocks were missing from axg_clk_regmaps, which caused kernel panic
during cat /sys/kernel/debug/clk/clk_summary

[   57.349402] Unable to handle kernel NULL pointer dereference at virtual address 00000000000001fc
...
[   57.430002] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   57.436900] pc : regmap_read+0x1c/0x88
[   57.440608] lr : clk_regmap_gate_is_enabled+0x3c/0xb0
[   57.445611] sp : ffff800082f1b690
[   57.448888] x29: ffff800082f1b690 x28: 0000000000000000 x27: ffff800080eb9a70
[   57.455961] x26: 0000000000000007 x25: 0000000000000016 x24: 0000000000000000
[   57.463033] x23: ffff800080e8b488 x22: 0000000000000015 x21: ffff00000e7e7000
[   57.470106] x20: ffff00000400ec00 x19: 0000000000000000 x18: ffffffffffffffff
[   57.477178] x17: 0000000000000000 x16: 0000000000000000 x15: ffff0000042a3000
[   57.484251] x14: 0000000000000000 x13: ffff0000042a2fec x12: 0000000005f5e100
[   57.491323] x11: abcc77118461cefd x10: 0000000000000020 x9 : ffff8000805e4b24
[   57.498396] x8 : ffff0000028063c0 x7 : ffff800082f1b710 x6 : ffff800082f1b710
[   57.505468] x5 : 00000000ffffffd0 x4 : ffff800082f1b6e0 x3 : 0000000000001000
[   57.512541] x2 : ffff800082f1b6e4 x1 : 000000000000012c x0 : 0000000000000000
[   57.519615] Call trace:
[   57.522030]  regmap_read+0x1c/0x88
[   57.525393]  clk_regmap_gate_is_enabled+0x3c/0xb0
[   57.530050]  clk_core_is_enabled+0x44/0x120
[   57.534190]  clk_summary_show_subtree+0x154/0x2f0
[   57.538847]  clk_summary_show_subtree+0x220/0x2f0
[   57.543505]  clk_summary_show_subtree+0x220/0x2f0
[   57.548162]  clk_summary_show_subtree+0x220/0x2f0
[   57.552820]  clk_summary_show_subtree+0x220/0x2f0
[   57.557477]  clk_summary_show_subtree+0x220/0x2f0
[   57.562135]  clk_summary_show_subtree+0x220/0x2f0
[   57.566792]  clk_summary_show_subtree+0x220/0x2f0
[   57.571450]  clk_summary_show+0x84/0xb8
[   57.575245]  seq_read_iter+0x1bc/0x4b8
[   57.578954]  seq_read+0x8c/0xd0
[   57.582059]  full_proxy_read+0x68/0xc8
[   57.585767]  vfs_read+0xb0/0x268
[   57.588959]  ksys_read+0x70/0x108
[   57.592236]  __arm64_sys_read+0x24/0x38
[   57.596031]  invoke_syscall+0x50/0x128
[   57.599740]  el0_svc_common.constprop.0+0x48/0xf8
[   57.604397]  do_el0_svc+0x28/0x40
[   57.607675]  el0_svc+0x34/0xb8
[   57.610694]  el0t_64_sync_handler+0x13c/0x158
[   57.615006]  el0t_64_sync+0x190/0x198
[   57.618635] Code: a9bd7bfd 910003fd a90153f3 aa0003f3 (b941fc00)
[   57.624668] ---[ end trace 0000000000000000 ]---

[jbrunet: add missing Fixes tag]
Signed-off-by: Igor Prusov <ivprusov@salutedevices.com>
Link: https://lore.kernel.org/r/20240202172537.1.I64656c75d84284bc91e6126b50b33c502be7c42a@changeid
Fixes: 14ebb3154b8f ("clk: meson: axg: add Video Clocks")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/meson/axg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index 2ad3801398dc1..7802dabb26f6d 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -2144,7 +2144,9 @@ static struct clk_regmap *const axg_clk_regmaps[] = {
 	&axg_vclk_input,
 	&axg_vclk2_input,
 	&axg_vclk_div,
+	&axg_vclk_div1,
 	&axg_vclk2_div,
+	&axg_vclk2_div1,
 	&axg_vclk_div2_en,
 	&axg_vclk_div4_en,
 	&axg_vclk_div6_en,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 183/317] media: em28xx: annotate unchecked call to media_device_register()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (181 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 182/317] clk: meson: Add missing clocks to axg_clk_regmaps Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 184/317] media: v4l2-tpg: fix some memleaks in tpg_alloc Sasha Levin
                   ` (136 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nikita Zhandarovich, Mauro Carvalho Chehab, Hans Verkuil, Sasha Levin

From: Nikita Zhandarovich <n.zhandarovich@fintech.ru>

[ Upstream commit fd61d77a3d28444b2635f0c8b5a2ecd6a4d94026 ]

Static analyzers generate alerts for an unchecked call to
`media_device_register()`. However, in this case, the device will work
reliably without the media controller API.

Add a comment above the call to prevent future unnecessary changes.

Suggested-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Fixes: 37ecc7b1278f ("[media] em28xx: add media controller support")
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/usb/em28xx/em28xx-cards.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 92d867fc519c4..8ab10518957c4 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -4099,6 +4099,10 @@ static int em28xx_usb_probe(struct usb_interface *intf,
 	 * topology will likely change after the load of the em28xx subdrivers.
 	 */
 #ifdef CONFIG_MEDIA_CONTROLLER
+	/*
+	 * No need to check the return value, the device will still be
+	 * usable without media controller API.
+	 */
 	retval = media_device_register(dev->media_dev);
 #endif
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 184/317] media: v4l2-tpg: fix some memleaks in tpg_alloc
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (182 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 183/317] media: em28xx: annotate unchecked call to media_device_register() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 185/317] media: v4l2-mem2mem: fix a memleak in v4l2_m2m_register_entity Sasha Levin
                   ` (135 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhipeng Lu, Hans Verkuil, Sasha Levin

From: Zhipeng Lu <alexious@zju.edu.cn>

[ Upstream commit 8cf9c5051076e0eb958f4361d50d8b0c3ee6691c ]

In tpg_alloc, resources should be deallocated in each and every
error-handling paths, since they are allocated in for statements.
Otherwise there would be memleaks because tpg_free is called only when
tpg_alloc return 0.

Fixes: 63881df94d3e ("[media] vivid: add the Test Pattern Generator")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c | 52 +++++++++++++++----
 1 file changed, 42 insertions(+), 10 deletions(-)

diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index 7607b516a7c43..68968bfa2edc1 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -113,6 +113,7 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
 {
 	unsigned pat;
 	unsigned plane;
+	int ret = 0;
 
 	tpg->max_line_width = max_w;
 	for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) {
@@ -121,14 +122,18 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
 
 			tpg->lines[pat][plane] =
 				vzalloc(array3_size(max_w, 2, pixelsz));
-			if (!tpg->lines[pat][plane])
-				return -ENOMEM;
+			if (!tpg->lines[pat][plane]) {
+				ret = -ENOMEM;
+				goto free_lines;
+			}
 			if (plane == 0)
 				continue;
 			tpg->downsampled_lines[pat][plane] =
 				vzalloc(array3_size(max_w, 2, pixelsz));
-			if (!tpg->downsampled_lines[pat][plane])
-				return -ENOMEM;
+			if (!tpg->downsampled_lines[pat][plane]) {
+				ret = -ENOMEM;
+				goto free_lines;
+			}
 		}
 	}
 	for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
@@ -136,18 +141,45 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
 
 		tpg->contrast_line[plane] =
 			vzalloc(array_size(pixelsz, max_w));
-		if (!tpg->contrast_line[plane])
-			return -ENOMEM;
+		if (!tpg->contrast_line[plane]) {
+			ret = -ENOMEM;
+			goto free_contrast_line;
+		}
 		tpg->black_line[plane] =
 			vzalloc(array_size(pixelsz, max_w));
-		if (!tpg->black_line[plane])
-			return -ENOMEM;
+		if (!tpg->black_line[plane]) {
+			ret = -ENOMEM;
+			goto free_contrast_line;
+		}
 		tpg->random_line[plane] =
 			vzalloc(array3_size(max_w, 2, pixelsz));
-		if (!tpg->random_line[plane])
-			return -ENOMEM;
+		if (!tpg->random_line[plane]) {
+			ret = -ENOMEM;
+			goto free_contrast_line;
+		}
 	}
 	return 0;
+
+free_contrast_line:
+	for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
+		vfree(tpg->contrast_line[plane]);
+		vfree(tpg->black_line[plane]);
+		vfree(tpg->random_line[plane]);
+		tpg->contrast_line[plane] = NULL;
+		tpg->black_line[plane] = NULL;
+		tpg->random_line[plane] = NULL;
+	}
+free_lines:
+	for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++)
+		for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
+			vfree(tpg->lines[pat][plane]);
+			tpg->lines[pat][plane] = NULL;
+			if (plane == 0)
+				continue;
+			vfree(tpg->downsampled_lines[pat][plane]);
+			tpg->downsampled_lines[pat][plane] = NULL;
+		}
+	return ret;
 }
 EXPORT_SYMBOL_GPL(tpg_alloc);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 185/317] media: v4l2-mem2mem: fix a memleak in v4l2_m2m_register_entity
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (183 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 184/317] media: v4l2-tpg: fix some memleaks in tpg_alloc Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 186/317] media: edia: dvbdev: fix a use-after-free Sasha Levin
                   ` (134 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhipeng Lu, Hans Verkuil, Sasha Levin

From: Zhipeng Lu <alexious@zju.edu.cn>

[ Upstream commit 8f94b49a5b5d386c038e355bef6347298aabd211 ]

The entity->name (i.e. name) is allocated in v4l2_m2m_register_entity
but isn't freed in its following error-handling paths. This patch
adds such deallocation to prevent memleak of entity->name.

Fixes: be2fff656322 ("media: add helpers for memory-to-memory media controller")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/v4l2-core/v4l2-mem2mem.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 8aeed39c415f2..5677bccd583e9 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -1062,11 +1062,17 @@ static int v4l2_m2m_register_entity(struct media_device *mdev,
 	entity->function = function;
 
 	ret = media_entity_pads_init(entity, num_pads, pads);
-	if (ret)
+	if (ret) {
+		kfree(entity->name);
+		entity->name = NULL;
 		return ret;
+	}
 	ret = media_device_register_entity(mdev, entity);
-	if (ret)
+	if (ret) {
+		kfree(entity->name);
+		entity->name = NULL;
 		return ret;
+	}
 
 	return 0;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 186/317] media: edia: dvbdev: fix a use-after-free
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (184 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 185/317] media: v4l2-mem2mem: fix a memleak in v4l2_m2m_register_entity Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 187/317] pinctrl: mediatek: Drop bogus slew rate register range for MT8192 Sasha Levin
                   ` (133 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhipeng Lu, Mauro Carvalho Chehab, Sasha Levin

From: Zhipeng Lu <alexious@zju.edu.cn>

[ Upstream commit 8c64f4cdf4e6cc5682c52523713af8c39c94e6d5 ]

In dvb_register_device, *pdvbdev is set equal to dvbdev, which is freed
in several error-handling paths. However, *pdvbdev is not set to NULL
after dvbdev's deallocation, causing use-after-frees in many places,
for example, in the following call chain:

budget_register
  |-> dvb_dmxdev_init
        |-> dvb_register_device
  |-> dvb_dmxdev_release
        |-> dvb_unregister_device
              |-> dvb_remove_device
                    |-> dvb_device_put
                          |-> kref_put

When calling dvb_unregister_device, dmxdev->dvbdev (i.e. *pdvbdev in
dvb_register_device) could point to memory that had been freed in
dvb_register_device. Thereafter, this pointer is transferred to
kref_put and triggering a use-after-free.

Link: https://lore.kernel.org/linux-media/20240203134046.3120099-1-alexious@zju.edu.cn
Fixes: b61901024776 ("V4L/DVB (5244): Dvbdev: fix illegal re-usage of fileoperations struct")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/dvb-core/dvbdev.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 3a83e8e092568..23a0c209744dc 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -504,6 +504,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
 		dvbdevfops = kmemdup(template->fops, sizeof(*dvbdevfops), GFP_KERNEL);
 		if (!dvbdevfops) {
 			kfree(dvbdev);
+			*pdvbdev = NULL;
 			mutex_unlock(&dvbdev_register_lock);
 			return -ENOMEM;
 		}
@@ -512,6 +513,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
 		if (!new_node) {
 			kfree(dvbdevfops);
 			kfree(dvbdev);
+			*pdvbdev = NULL;
 			mutex_unlock(&dvbdev_register_lock);
 			return -ENOMEM;
 		}
@@ -545,6 +547,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
 		}
 		list_del (&dvbdev->list_head);
 		kfree(dvbdev);
+		*pdvbdev = NULL;
 		up_write(&minor_rwsem);
 		mutex_unlock(&dvbdev_register_lock);
 		return -EINVAL;
@@ -567,6 +570,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
 		dvb_media_device_free(dvbdev);
 		list_del (&dvbdev->list_head);
 		kfree(dvbdev);
+		*pdvbdev = NULL;
 		mutex_unlock(&dvbdev_register_lock);
 		return ret;
 	}
@@ -585,6 +589,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
 		dvb_media_device_free(dvbdev);
 		list_del (&dvbdev->list_head);
 		kfree(dvbdev);
+		*pdvbdev = NULL;
 		mutex_unlock(&dvbdev_register_lock);
 		return PTR_ERR(clsdev);
 	}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 187/317] pinctrl: mediatek: Drop bogus slew rate register range for MT8192
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (185 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 186/317] media: edia: dvbdev: fix a use-after-free Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 188/317] clk: qcom: reset: Commonize the de/assert functions Sasha Levin
                   ` (132 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Chen-Yu Tsai, AngeloGioacchino Del Regno, Linus Walleij, Sasha Levin

From: Chen-Yu Tsai <wenst@chromium.org>

[ Upstream commit e15ab05a6b3ed42f2f43f8bd1a1abdbde64afecd ]

The MT8192 does not support configuring pin slew rate. This is evident
from both the datasheet, and the fact that the driver points the slew
rate register range at the GPIO direction register range.

Drop the bogus setting.

Fixes: d32f38f2a8fc ("pinctrl: mediatek: Add pinctrl driver for mt8192")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240131071910.3950450-2-wenst@chromium.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/mediatek/pinctrl-mt8192.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8192.c b/drivers/pinctrl/mediatek/pinctrl-mt8192.c
index 0c16b2c756bf3..f3020e3c8533b 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt8192.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt8192.c
@@ -1346,7 +1346,6 @@ static const struct mtk_pin_reg_calc mt8192_reg_cals[PINCTRL_PIN_REG_MAX] = {
 	[PINCTRL_PIN_REG_DIR] = MTK_RANGE(mt8192_pin_dir_range),
 	[PINCTRL_PIN_REG_DI] = MTK_RANGE(mt8192_pin_di_range),
 	[PINCTRL_PIN_REG_DO] = MTK_RANGE(mt8192_pin_do_range),
-	[PINCTRL_PIN_REG_SR] = MTK_RANGE(mt8192_pin_dir_range),
 	[PINCTRL_PIN_REG_SMT] = MTK_RANGE(mt8192_pin_smt_range),
 	[PINCTRL_PIN_REG_IES] = MTK_RANGE(mt8192_pin_ies_range),
 	[PINCTRL_PIN_REG_PU] = MTK_RANGE(mt8192_pin_pu_range),
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 188/317] clk: qcom: reset: Commonize the de/assert functions
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (186 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 187/317] pinctrl: mediatek: Drop bogus slew rate register range for MT8192 Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 189/317] clk: qcom: reset: Ensure write completion on reset de/assertion Sasha Levin
                   ` (131 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Konrad Dybcio, Bryan O'Donoghue, Bjorn Andersson, Sasha Levin

From: Konrad Dybcio <konrad.dybcio@linaro.org>

[ Upstream commit eda40d9c583e95e0b6ac69d2950eec10f802e0e8 ]

They do the same thing, except the last argument of the last function
call differs. Commonize them.

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-2-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Stable-dep-of: 2f8cf2c3f3e3 ("clk: qcom: reset: Ensure write completion on reset de/assertion")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/qcom/reset.c | 22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)

diff --git a/drivers/clk/qcom/reset.c b/drivers/clk/qcom/reset.c
index e45e32804d2c7..20d1d35aaf229 100644
--- a/drivers/clk/qcom/reset.c
+++ b/drivers/clk/qcom/reset.c
@@ -22,8 +22,8 @@ static int qcom_reset(struct reset_controller_dev *rcdev, unsigned long id)
 	return 0;
 }
 
-static int
-qcom_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
+static int qcom_reset_set_assert(struct reset_controller_dev *rcdev,
+				 unsigned long id, bool assert)
 {
 	struct qcom_reset_controller *rst;
 	const struct qcom_reset_map *map;
@@ -33,21 +33,17 @@ qcom_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
 	map = &rst->reset_map[id];
 	mask = map->bitmask ? map->bitmask : BIT(map->bit);
 
-	return regmap_update_bits(rst->regmap, map->reg, mask, mask);
+	return regmap_update_bits(rst->regmap, map->reg, mask, assert ? mask : 0);
 }
 
-static int
-qcom_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
+static int qcom_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
 {
-	struct qcom_reset_controller *rst;
-	const struct qcom_reset_map *map;
-	u32 mask;
-
-	rst = to_qcom_reset_controller(rcdev);
-	map = &rst->reset_map[id];
-	mask = map->bitmask ? map->bitmask : BIT(map->bit);
+	return qcom_reset_set_assert(rcdev, id, true);
+}
 
-	return regmap_update_bits(rst->regmap, map->reg, mask, 0);
+static int qcom_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
+{
+	return qcom_reset_set_assert(rcdev, id, false);
 }
 
 const struct reset_control_ops qcom_reset_ops = {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 189/317] clk: qcom: reset: Ensure write completion on reset de/assertion
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (187 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 188/317] clk: qcom: reset: Commonize the de/assert functions Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 190/317] quota: simplify drop_dquot_ref() Sasha Levin
                   ` (130 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Konrad Dybcio, Bjorn Andersson, Sasha Levin

From: Konrad Dybcio <konrad.dybcio@linaro.org>

[ Upstream commit 2f8cf2c3f3e3f7ef61bd19abb4b0bb797ad50aaf ]

Trying to toggle the resets in a rapid fashion can lead to the changes
not actually arriving at the clock controller block when we expect them
to. This was observed at least on SM8250.

Read back the value after regmap_update_bits to ensure write completion.

Fixes: b36ba30c8ac6 ("clk: qcom: Add reset controller support")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-3-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/qcom/reset.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/reset.c b/drivers/clk/qcom/reset.c
index 20d1d35aaf229..d96c96a9089f4 100644
--- a/drivers/clk/qcom/reset.c
+++ b/drivers/clk/qcom/reset.c
@@ -33,7 +33,12 @@ static int qcom_reset_set_assert(struct reset_controller_dev *rcdev,
 	map = &rst->reset_map[id];
 	mask = map->bitmask ? map->bitmask : BIT(map->bit);
 
-	return regmap_update_bits(rst->regmap, map->reg, mask, assert ? mask : 0);
+	regmap_update_bits(rst->regmap, map->reg, mask, assert ? mask : 0);
+
+	/* Read back the register to ensure write completion, ignore the value */
+	regmap_read(rst->regmap, map->reg, &mask);
+
+	return 0;
 }
 
 static int qcom_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 190/317] quota: simplify drop_dquot_ref()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (188 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 189/317] clk: qcom: reset: Ensure write completion on reset de/assertion Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 191/317] quota: Fix potential NULL pointer dereference Sasha Levin
                   ` (129 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Baokun Li, Jan Kara, Sasha Levin

From: Baokun Li <libaokun1@huawei.com>

[ Upstream commit 7bce48f0fec602b3b6c335963b26d9eefa417788 ]

As Honza said, remove_inode_dquot_ref() currently does not release the
last dquot reference but instead adds the dquot to tofree_head list. This
is because dqput() can sleep while dropping of the last dquot reference
(writing back the dquot and calling ->release_dquot()) and that must not
happen under dq_list_lock. Now that dqput() queues the final dquot cleanup
into a workqueue, remove_inode_dquot_ref() can call dqput() unconditionally
and we can significantly simplify it.

Here we open code the simplified code of remove_inode_dquot_ref() into
remove_dquot_ref() and remove the function put_dquot_list() which is no
longer used.

Signed-off-by: Baokun Li <libaokun1@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230630110822.3881712-6-libaokun1@huawei.com>
Stable-dep-of: 179b8c97ebf6 ("quota: Fix rcu annotations of inode dquot pointers")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/quota/dquot.c | 70 +++++++-----------------------------------------
 1 file changed, 9 insertions(+), 61 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 75e593b1c03e8..b7d8cd84df576 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1084,59 +1084,7 @@ static int add_dquot_ref(struct super_block *sb, int type)
 	return err;
 }
 
-/*
- * Remove references to dquots from inode and add dquot to list for freeing
- * if we have the last reference to dquot
- */
-static void remove_inode_dquot_ref(struct inode *inode, int type,
-				   struct list_head *tofree_head)
-{
-	struct dquot **dquots = i_dquot(inode);
-	struct dquot *dquot = dquots[type];
-
-	if (!dquot)
-		return;
-
-	dquots[type] = NULL;
-	if (list_empty(&dquot->dq_free)) {
-		/*
-		 * The inode still has reference to dquot so it can't be in the
-		 * free list
-		 */
-		spin_lock(&dq_list_lock);
-		list_add(&dquot->dq_free, tofree_head);
-		spin_unlock(&dq_list_lock);
-	} else {
-		/*
-		 * Dquot is already in a list to put so we won't drop the last
-		 * reference here.
-		 */
-		dqput(dquot);
-	}
-}
-
-/*
- * Free list of dquots
- * Dquots are removed from inodes and no new references can be got so we are
- * the only ones holding reference
- */
-static void put_dquot_list(struct list_head *tofree_head)
-{
-	struct list_head *act_head;
-	struct dquot *dquot;
-
-	act_head = tofree_head->next;
-	while (act_head != tofree_head) {
-		dquot = list_entry(act_head, struct dquot, dq_free);
-		act_head = act_head->next;
-		/* Remove dquot from the list so we won't have problems... */
-		list_del_init(&dquot->dq_free);
-		dqput(dquot);
-	}
-}
-
-static void remove_dquot_ref(struct super_block *sb, int type,
-		struct list_head *tofree_head)
+static void remove_dquot_ref(struct super_block *sb, int type)
 {
 	struct inode *inode;
 #ifdef CONFIG_QUOTA_DEBUG
@@ -1153,11 +1101,16 @@ static void remove_dquot_ref(struct super_block *sb, int type,
 		 */
 		spin_lock(&dq_data_lock);
 		if (!IS_NOQUOTA(inode)) {
+			struct dquot **dquots = i_dquot(inode);
+			struct dquot *dquot = dquots[type];
+
 #ifdef CONFIG_QUOTA_DEBUG
 			if (unlikely(inode_get_rsv_space(inode) > 0))
 				reserved = 1;
 #endif
-			remove_inode_dquot_ref(inode, type, tofree_head);
+			dquots[type] = NULL;
+			if (dquot)
+				dqput(dquot);
 		}
 		spin_unlock(&dq_data_lock);
 	}
@@ -1174,13 +1127,8 @@ static void remove_dquot_ref(struct super_block *sb, int type,
 /* Gather all references from inodes and drop them */
 static void drop_dquot_ref(struct super_block *sb, int type)
 {
-	LIST_HEAD(tofree_head);
-
-	if (sb->dq_op) {
-		remove_dquot_ref(sb, type, &tofree_head);
-		synchronize_srcu(&dquot_srcu);
-		put_dquot_list(&tofree_head);
-	}
+	if (sb->dq_op)
+		remove_dquot_ref(sb, type);
 }
 
 static inline
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 191/317] quota: Fix potential NULL pointer dereference
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (189 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 190/317] quota: simplify drop_dquot_ref() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 192/317] quota: Fix rcu annotations of inode dquot pointers Sasha Levin
                   ` (128 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Wang Jianjian, Jan Kara, Sasha Levin

From: Wang Jianjian <wangjianjian3@huawei.com>

[ Upstream commit d0aa72604fbd80c8aabb46eda00535ed35570f1f ]

Below race may cause NULL pointer dereference

P1					P2
dquot_free_inode			quota_off
					  drop_dquot_ref
					   remove_dquot_ref
					   dquots = i_dquot(inode)
  dquots = i_dquot(inode)
  srcu_read_lock
  dquots[cnt]) != NULL (1)
					     dquots[type] = NULL (2)
  spin_lock(&dquots[cnt]->dq_dqb_lock) (3)
   ....

If dquot_free_inode(or other routines) checks inode's quota pointers (1)
before quota_off sets it to NULL(2) and use it (3) after that, NULL pointer
dereference will be triggered.

So let's fix it by using a temporary pointer to avoid this issue.

Signed-off-by: Wang Jianjian <wangjianjian3@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20240202081852.2514092-1-wangjianjian3@huawei.com>
Stable-dep-of: 179b8c97ebf6 ("quota: Fix rcu annotations of inode dquot pointers")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/quota/dquot.c | 98 ++++++++++++++++++++++++++++--------------------
 1 file changed, 57 insertions(+), 41 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index b7d8cd84df576..041459526abcf 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -399,15 +399,17 @@ int dquot_mark_dquot_dirty(struct dquot *dquot)
 EXPORT_SYMBOL(dquot_mark_dquot_dirty);
 
 /* Dirtify all the dquots - this can block when journalling */
-static inline int mark_all_dquot_dirty(struct dquot * const *dquot)
+static inline int mark_all_dquot_dirty(struct dquot * const *dquots)
 {
 	int ret, err, cnt;
+	struct dquot *dquot;
 
 	ret = err = 0;
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		if (dquot[cnt])
+		dquot = srcu_dereference(dquots[cnt], &dquot_srcu);
+		if (dquot)
 			/* Even in case of error we have to continue */
-			ret = mark_dquot_dirty(dquot[cnt]);
+			ret = mark_dquot_dirty(dquot);
 		if (!err)
 			err = ret;
 	}
@@ -1684,6 +1686,7 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
 	struct dquot_warn warn[MAXQUOTAS];
 	int reserve = flags & DQUOT_SPACE_RESERVE;
 	struct dquot **dquots;
+	struct dquot *dquot;
 
 	if (!inode_quota_active(inode)) {
 		if (reserve) {
@@ -1703,27 +1706,26 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
 	index = srcu_read_lock(&dquot_srcu);
 	spin_lock(&inode->i_lock);
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		if (!dquots[cnt])
+		dquot = srcu_dereference(dquots[cnt], &dquot_srcu);
+		if (!dquot)
 			continue;
 		if (reserve) {
-			ret = dquot_add_space(dquots[cnt], 0, number, flags,
-					      &warn[cnt]);
+			ret = dquot_add_space(dquot, 0, number, flags, &warn[cnt]);
 		} else {
-			ret = dquot_add_space(dquots[cnt], number, 0, flags,
-					      &warn[cnt]);
+			ret = dquot_add_space(dquot, number, 0, flags, &warn[cnt]);
 		}
 		if (ret) {
 			/* Back out changes we already did */
 			for (cnt--; cnt >= 0; cnt--) {
-				if (!dquots[cnt])
+				dquot = srcu_dereference(dquots[cnt], &dquot_srcu);
+				if (!dquot)
 					continue;
-				spin_lock(&dquots[cnt]->dq_dqb_lock);
+				spin_lock(&dquot->dq_dqb_lock);
 				if (reserve)
-					dquot_free_reserved_space(dquots[cnt],
-								  number);
+					dquot_free_reserved_space(dquot, number);
 				else
-					dquot_decr_space(dquots[cnt], number);
-				spin_unlock(&dquots[cnt]->dq_dqb_lock);
+					dquot_decr_space(dquot, number);
+				spin_unlock(&dquot->dq_dqb_lock);
 			}
 			spin_unlock(&inode->i_lock);
 			goto out_flush_warn;
@@ -1754,6 +1756,7 @@ int dquot_alloc_inode(struct inode *inode)
 	int cnt, ret = 0, index;
 	struct dquot_warn warn[MAXQUOTAS];
 	struct dquot * const *dquots;
+	struct dquot *dquot;
 
 	if (!inode_quota_active(inode))
 		return 0;
@@ -1764,17 +1767,19 @@ int dquot_alloc_inode(struct inode *inode)
 	index = srcu_read_lock(&dquot_srcu);
 	spin_lock(&inode->i_lock);
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		if (!dquots[cnt])
+		dquot = srcu_dereference(dquots[cnt], &dquot_srcu);
+		if (!dquot)
 			continue;
-		ret = dquot_add_inodes(dquots[cnt], 1, &warn[cnt]);
+		ret = dquot_add_inodes(dquot, 1, &warn[cnt]);
 		if (ret) {
 			for (cnt--; cnt >= 0; cnt--) {
-				if (!dquots[cnt])
+				dquot = srcu_dereference(dquots[cnt], &dquot_srcu);
+				if (!dquot)
 					continue;
 				/* Back out changes we already did */
-				spin_lock(&dquots[cnt]->dq_dqb_lock);
-				dquot_decr_inodes(dquots[cnt], 1);
-				spin_unlock(&dquots[cnt]->dq_dqb_lock);
+				spin_lock(&dquot->dq_dqb_lock);
+				dquot_decr_inodes(dquot, 1);
+				spin_unlock(&dquot->dq_dqb_lock);
 			}
 			goto warn_put_all;
 		}
@@ -1796,6 +1801,7 @@ EXPORT_SYMBOL(dquot_alloc_inode);
 int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 {
 	struct dquot **dquots;
+	struct dquot *dquot;
 	int cnt, index;
 
 	if (!inode_quota_active(inode)) {
@@ -1811,9 +1817,8 @@ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 	spin_lock(&inode->i_lock);
 	/* Claim reserved quotas to allocated quotas */
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		if (dquots[cnt]) {
-			struct dquot *dquot = dquots[cnt];
-
+		dquot = srcu_dereference(dquots[cnt], &dquot_srcu);
+		if (dquot) {
 			spin_lock(&dquot->dq_dqb_lock);
 			if (WARN_ON_ONCE(dquot->dq_dqb.dqb_rsvspace < number))
 				number = dquot->dq_dqb.dqb_rsvspace;
@@ -1838,6 +1843,7 @@ EXPORT_SYMBOL(dquot_claim_space_nodirty);
 void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number)
 {
 	struct dquot **dquots;
+	struct dquot *dquot;
 	int cnt, index;
 
 	if (!inode_quota_active(inode)) {
@@ -1853,9 +1859,8 @@ void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number)
 	spin_lock(&inode->i_lock);
 	/* Claim reserved quotas to allocated quotas */
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		if (dquots[cnt]) {
-			struct dquot *dquot = dquots[cnt];
-
+		dquot = srcu_dereference(dquots[cnt], &dquot_srcu);
+		if (dquot) {
 			spin_lock(&dquot->dq_dqb_lock);
 			if (WARN_ON_ONCE(dquot->dq_dqb.dqb_curspace < number))
 				number = dquot->dq_dqb.dqb_curspace;
@@ -1882,6 +1887,7 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags)
 	unsigned int cnt;
 	struct dquot_warn warn[MAXQUOTAS];
 	struct dquot **dquots;
+	struct dquot *dquot;
 	int reserve = flags & DQUOT_SPACE_RESERVE, index;
 
 	if (!inode_quota_active(inode)) {
@@ -1902,17 +1908,18 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags)
 		int wtype;
 
 		warn[cnt].w_type = QUOTA_NL_NOWARN;
-		if (!dquots[cnt])
+		dquot = srcu_dereference(dquots[cnt], &dquot_srcu);
+		if (!dquot)
 			continue;
-		spin_lock(&dquots[cnt]->dq_dqb_lock);
-		wtype = info_bdq_free(dquots[cnt], number);
+		spin_lock(&dquot->dq_dqb_lock);
+		wtype = info_bdq_free(dquot, number);
 		if (wtype != QUOTA_NL_NOWARN)
-			prepare_warning(&warn[cnt], dquots[cnt], wtype);
+			prepare_warning(&warn[cnt], dquot, wtype);
 		if (reserve)
-			dquot_free_reserved_space(dquots[cnt], number);
+			dquot_free_reserved_space(dquot, number);
 		else
-			dquot_decr_space(dquots[cnt], number);
-		spin_unlock(&dquots[cnt]->dq_dqb_lock);
+			dquot_decr_space(dquot, number);
+		spin_unlock(&dquot->dq_dqb_lock);
 	}
 	if (reserve)
 		*inode_reserved_space(inode) -= number;
@@ -1937,6 +1944,7 @@ void dquot_free_inode(struct inode *inode)
 	unsigned int cnt;
 	struct dquot_warn warn[MAXQUOTAS];
 	struct dquot * const *dquots;
+	struct dquot *dquot;
 	int index;
 
 	if (!inode_quota_active(inode))
@@ -1947,16 +1955,16 @@ void dquot_free_inode(struct inode *inode)
 	spin_lock(&inode->i_lock);
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		int wtype;
-
 		warn[cnt].w_type = QUOTA_NL_NOWARN;
-		if (!dquots[cnt])
+		dquot = srcu_dereference(dquots[cnt], &dquot_srcu);
+		if (!dquot)
 			continue;
-		spin_lock(&dquots[cnt]->dq_dqb_lock);
-		wtype = info_idq_free(dquots[cnt], 1);
+		spin_lock(&dquot->dq_dqb_lock);
+		wtype = info_idq_free(dquot, 1);
 		if (wtype != QUOTA_NL_NOWARN)
-			prepare_warning(&warn[cnt], dquots[cnt], wtype);
-		dquot_decr_inodes(dquots[cnt], 1);
-		spin_unlock(&dquots[cnt]->dq_dqb_lock);
+			prepare_warning(&warn[cnt], dquot, wtype);
+		dquot_decr_inodes(dquot, 1);
+		spin_unlock(&dquot->dq_dqb_lock);
 	}
 	spin_unlock(&inode->i_lock);
 	mark_all_dquot_dirty(dquots);
@@ -1983,7 +1991,7 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
 	qsize_t rsv_space = 0;
 	qsize_t inode_usage = 1;
 	struct dquot *transfer_from[MAXQUOTAS] = {};
-	int cnt, ret = 0;
+	int cnt, index, ret = 0;
 	char is_valid[MAXQUOTAS] = {};
 	struct dquot_warn warn_to[MAXQUOTAS];
 	struct dquot_warn warn_from_inodes[MAXQUOTAS];
@@ -2072,8 +2080,16 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
 	spin_unlock(&inode->i_lock);
 	spin_unlock(&dq_data_lock);
 
+	/*
+	 * These arrays are local and we hold dquot references so we don't need
+	 * the srcu protection but still take dquot_srcu to avoid warning in
+	 * mark_all_dquot_dirty().
+	 */
+	index = srcu_read_lock(&dquot_srcu);
 	mark_all_dquot_dirty(transfer_from);
 	mark_all_dquot_dirty(transfer_to);
+	srcu_read_unlock(&dquot_srcu, index);
+
 	flush_warnings(warn_to);
 	flush_warnings(warn_from_inodes);
 	flush_warnings(warn_from_space);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 192/317] quota: Fix rcu annotations of inode dquot pointers
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (190 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 191/317] quota: Fix potential NULL pointer dereference Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 193/317] PCI/P2PDMA: Fix a sleeping issue in a RCU read section Sasha Levin
                   ` (127 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jan Kara, kernel test robot, Sasha Levin

From: Jan Kara <jack@suse.cz>

[ Upstream commit 179b8c97ebf63429589f5afeba59a181fe70603e ]

Dquot pointers in i_dquot array in the inode are protected by
dquot_srcu. Annotate the array pointers with __rcu, perform the locked
dereferences with srcu_dereference_check() instead of plain reads, and
set the array elements with rcu_assign_pointer().

Fixes: b9ba6f94b238 ("quota: remove dqptr_sem")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202402061900.rTuYDlo6-lkp@intel.com/
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/quota/dquot.c | 66 ++++++++++++++++++++++++++++--------------------
 1 file changed, 39 insertions(+), 27 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 041459526abcf..edb414d3fd164 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -399,7 +399,7 @@ int dquot_mark_dquot_dirty(struct dquot *dquot)
 EXPORT_SYMBOL(dquot_mark_dquot_dirty);
 
 /* Dirtify all the dquots - this can block when journalling */
-static inline int mark_all_dquot_dirty(struct dquot * const *dquots)
+static inline int mark_all_dquot_dirty(struct dquot __rcu * const *dquots)
 {
 	int ret, err, cnt;
 	struct dquot *dquot;
@@ -1006,14 +1006,15 @@ struct dquot *dqget(struct super_block *sb, struct kqid qid)
 }
 EXPORT_SYMBOL(dqget);
 
-static inline struct dquot **i_dquot(struct inode *inode)
+static inline struct dquot __rcu **i_dquot(struct inode *inode)
 {
-	return inode->i_sb->s_op->get_dquots(inode);
+	/* Force __rcu for now until filesystems are fixed */
+	return (struct dquot __rcu **)inode->i_sb->s_op->get_dquots(inode);
 }
 
 static int dqinit_needed(struct inode *inode, int type)
 {
-	struct dquot * const *dquots;
+	struct dquot __rcu * const *dquots;
 	int cnt;
 
 	if (IS_NOQUOTA(inode))
@@ -1103,14 +1104,16 @@ static void remove_dquot_ref(struct super_block *sb, int type)
 		 */
 		spin_lock(&dq_data_lock);
 		if (!IS_NOQUOTA(inode)) {
-			struct dquot **dquots = i_dquot(inode);
-			struct dquot *dquot = dquots[type];
+			struct dquot __rcu **dquots = i_dquot(inode);
+			struct dquot *dquot = srcu_dereference_check(
+				dquots[type], &dquot_srcu,
+				lockdep_is_held(&dq_data_lock));
 
 #ifdef CONFIG_QUOTA_DEBUG
 			if (unlikely(inode_get_rsv_space(inode) > 0))
 				reserved = 1;
 #endif
-			dquots[type] = NULL;
+			rcu_assign_pointer(dquots[type], NULL);
 			if (dquot)
 				dqput(dquot);
 		}
@@ -1463,7 +1466,8 @@ static int inode_quota_active(const struct inode *inode)
 static int __dquot_initialize(struct inode *inode, int type)
 {
 	int cnt, init_needed = 0;
-	struct dquot **dquots, *got[MAXQUOTAS] = {};
+	struct dquot __rcu **dquots;
+	struct dquot *got[MAXQUOTAS] = {};
 	struct super_block *sb = inode->i_sb;
 	qsize_t rsv;
 	int ret = 0;
@@ -1538,7 +1542,7 @@ static int __dquot_initialize(struct inode *inode, int type)
 		if (!got[cnt])
 			continue;
 		if (!dquots[cnt]) {
-			dquots[cnt] = got[cnt];
+			rcu_assign_pointer(dquots[cnt], got[cnt]);
 			got[cnt] = NULL;
 			/*
 			 * Make quota reservation system happy if someone
@@ -1546,12 +1550,16 @@ static int __dquot_initialize(struct inode *inode, int type)
 			 */
 			rsv = inode_get_rsv_space(inode);
 			if (unlikely(rsv)) {
+				struct dquot *dquot = srcu_dereference_check(
+					dquots[cnt], &dquot_srcu,
+					lockdep_is_held(&dq_data_lock));
+
 				spin_lock(&inode->i_lock);
 				/* Get reservation again under proper lock */
 				rsv = __inode_get_rsv_space(inode);
-				spin_lock(&dquots[cnt]->dq_dqb_lock);
-				dquots[cnt]->dq_dqb.dqb_rsvspace += rsv;
-				spin_unlock(&dquots[cnt]->dq_dqb_lock);
+				spin_lock(&dquot->dq_dqb_lock);
+				dquot->dq_dqb.dqb_rsvspace += rsv;
+				spin_unlock(&dquot->dq_dqb_lock);
 				spin_unlock(&inode->i_lock);
 			}
 		}
@@ -1573,7 +1581,7 @@ EXPORT_SYMBOL(dquot_initialize);
 
 bool dquot_initialize_needed(struct inode *inode)
 {
-	struct dquot **dquots;
+	struct dquot __rcu **dquots;
 	int i;
 
 	if (!inode_quota_active(inode))
@@ -1598,13 +1606,14 @@ EXPORT_SYMBOL(dquot_initialize_needed);
 static void __dquot_drop(struct inode *inode)
 {
 	int cnt;
-	struct dquot **dquots = i_dquot(inode);
+	struct dquot __rcu **dquots = i_dquot(inode);
 	struct dquot *put[MAXQUOTAS];
 
 	spin_lock(&dq_data_lock);
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		put[cnt] = dquots[cnt];
-		dquots[cnt] = NULL;
+		put[cnt] = srcu_dereference_check(dquots[cnt], &dquot_srcu,
+					lockdep_is_held(&dq_data_lock));
+		rcu_assign_pointer(dquots[cnt], NULL);
 	}
 	spin_unlock(&dq_data_lock);
 	dqput_all(put);
@@ -1612,7 +1621,7 @@ static void __dquot_drop(struct inode *inode)
 
 void dquot_drop(struct inode *inode)
 {
-	struct dquot * const *dquots;
+	struct dquot __rcu * const *dquots;
 	int cnt;
 
 	if (IS_NOQUOTA(inode))
@@ -1685,7 +1694,7 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
 	int cnt, ret = 0, index;
 	struct dquot_warn warn[MAXQUOTAS];
 	int reserve = flags & DQUOT_SPACE_RESERVE;
-	struct dquot **dquots;
+	struct dquot __rcu **dquots;
 	struct dquot *dquot;
 
 	if (!inode_quota_active(inode)) {
@@ -1755,7 +1764,7 @@ int dquot_alloc_inode(struct inode *inode)
 {
 	int cnt, ret = 0, index;
 	struct dquot_warn warn[MAXQUOTAS];
-	struct dquot * const *dquots;
+	struct dquot __rcu * const *dquots;
 	struct dquot *dquot;
 
 	if (!inode_quota_active(inode))
@@ -1800,7 +1809,7 @@ EXPORT_SYMBOL(dquot_alloc_inode);
  */
 int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 {
-	struct dquot **dquots;
+	struct dquot __rcu **dquots;
 	struct dquot *dquot;
 	int cnt, index;
 
@@ -1842,7 +1851,7 @@ EXPORT_SYMBOL(dquot_claim_space_nodirty);
  */
 void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number)
 {
-	struct dquot **dquots;
+	struct dquot __rcu **dquots;
 	struct dquot *dquot;
 	int cnt, index;
 
@@ -1886,7 +1895,7 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags)
 {
 	unsigned int cnt;
 	struct dquot_warn warn[MAXQUOTAS];
-	struct dquot **dquots;
+	struct dquot __rcu **dquots;
 	struct dquot *dquot;
 	int reserve = flags & DQUOT_SPACE_RESERVE, index;
 
@@ -1943,7 +1952,7 @@ void dquot_free_inode(struct inode *inode)
 {
 	unsigned int cnt;
 	struct dquot_warn warn[MAXQUOTAS];
-	struct dquot * const *dquots;
+	struct dquot __rcu * const *dquots;
 	struct dquot *dquot;
 	int index;
 
@@ -1990,6 +1999,7 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
 	qsize_t cur_space;
 	qsize_t rsv_space = 0;
 	qsize_t inode_usage = 1;
+	struct dquot __rcu **dquots;
 	struct dquot *transfer_from[MAXQUOTAS] = {};
 	int cnt, index, ret = 0;
 	char is_valid[MAXQUOTAS] = {};
@@ -2022,6 +2032,7 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
 	}
 	cur_space = __inode_get_bytes(inode);
 	rsv_space = __inode_get_rsv_space(inode);
+	dquots = i_dquot(inode);
 	/*
 	 * Build the transfer_from list, check limits, and update usage in
 	 * the target structures.
@@ -2036,7 +2047,8 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
 		if (!sb_has_quota_active(inode->i_sb, cnt))
 			continue;
 		is_valid[cnt] = 1;
-		transfer_from[cnt] = i_dquot(inode)[cnt];
+		transfer_from[cnt] = srcu_dereference_check(dquots[cnt],
+				&dquot_srcu, lockdep_is_held(&dq_data_lock));
 		ret = dquot_add_inodes(transfer_to[cnt], inode_usage,
 				       &warn_to[cnt]);
 		if (ret)
@@ -2075,7 +2087,7 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
 						  rsv_space);
 			spin_unlock(&transfer_from[cnt]->dq_dqb_lock);
 		}
-		i_dquot(inode)[cnt] = transfer_to[cnt];
+		rcu_assign_pointer(dquots[cnt], transfer_to[cnt]);
 	}
 	spin_unlock(&inode->i_lock);
 	spin_unlock(&dq_data_lock);
@@ -2086,8 +2098,8 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to)
 	 * mark_all_dquot_dirty().
 	 */
 	index = srcu_read_lock(&dquot_srcu);
-	mark_all_dquot_dirty(transfer_from);
-	mark_all_dquot_dirty(transfer_to);
+	mark_all_dquot_dirty((struct dquot __rcu **)transfer_from);
+	mark_all_dquot_dirty((struct dquot __rcu **)transfer_to);
 	srcu_read_unlock(&dquot_srcu, index);
 
 	flush_warnings(warn_to);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 193/317] PCI/P2PDMA: Fix a sleeping issue in a RCU read section
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (191 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 192/317] quota: Fix rcu annotations of inode dquot pointers Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 194/317] PCI: switchtec: Fix an error handling path in switchtec_pci_probe() Sasha Levin
                   ` (126 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Christophe JAILLET, Bjorn Helgaas, Logan Gunthorpe, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 1e5c66afd4a40bb7be17cb33cbb1a1085f727730 ]

It is not allowed to sleep within a RCU read section, so use GFP_ATOMIC
instead of GFP_KERNEL here.

Link: https://lore.kernel.org/r/02d9ec4a10235def0e764ff1f5be881ba12e16e8.1704397858.git.christophe.jaillet@wanadoo.fr
Fixes: ae21f835a5bd ("PCI/P2PDMA: Finish RCU conversion of pdev->p2pdma")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pci/p2pdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index 316fd2f44df45..57654c82b08e8 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -536,7 +536,7 @@ calc_map_type_and_dist(struct pci_dev *provider, struct pci_dev *client,
 	p2pdma = rcu_dereference(provider->p2pdma);
 	if (p2pdma)
 		xa_store(&p2pdma->map_types, map_types_idx(client),
-			 xa_mk_value(map_type), GFP_KERNEL);
+			 xa_mk_value(map_type), GFP_ATOMIC);
 	rcu_read_unlock();
 	return map_type;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 194/317] PCI: switchtec: Fix an error handling path in switchtec_pci_probe()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (192 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 193/317] PCI/P2PDMA: Fix a sleeping issue in a RCU read section Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 195/317] crypto: xilinx - call finalize with bh disabled Sasha Levin
                   ` (125 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Bjorn Helgaas, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit dec529b0b0572b32f9eb91c882dd1f08ca657efb ]

The commit in Fixes changed the logic on how resources are released and
introduced a new switchtec_exit_pci() that need to be called explicitly in
order to undo a corresponding switchtec_init_pci().

This was done in the remove function, but not in the probe.

Fix the probe now.

Fixes: df25461119d9 ("PCI: switchtec: Fix stdev_release() crash after surprise hot remove")
Link: https://lore.kernel.org/r/01446d2ccb91a578239915812f2b7dfbeb2882af.1703428183.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pci/switch/switchtec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 2a026183f06b3..bc14386ba440c 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1614,7 +1614,7 @@ static int switchtec_pci_probe(struct pci_dev *pdev,
 	rc = switchtec_init_isr(stdev);
 	if (rc) {
 		dev_err(&stdev->dev, "failed to init isr.\n");
-		goto err_put;
+		goto err_exit_pci;
 	}
 
 	iowrite32(SWITCHTEC_EVENT_CLEAR |
@@ -1635,6 +1635,8 @@ static int switchtec_pci_probe(struct pci_dev *pdev,
 
 err_devadd:
 	stdev_kill(stdev);
+err_exit_pci:
+	switchtec_exit_pci(stdev);
 err_put:
 	ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt));
 	put_device(&stdev->dev);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 195/317] crypto: xilinx - call finalize with bh disabled
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (193 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 194/317] PCI: switchtec: Fix an error handling path in switchtec_pci_probe() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 196/317] perf thread_map: Free strlist on normal path in thread_map__new_by_tid_str() Sasha Levin
                   ` (124 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Quanyang Wang, Herbert Xu, Sasha Levin

From: Quanyang Wang <quanyang.wang@windriver.com>

[ Upstream commit a853450bf4c752e664abab0b2fad395b7ad7701c ]

When calling crypto_finalize_request, BH should be disabled to avoid
triggering the following calltrace:

    ------------[ cut here ]------------
    WARNING: CPU: 2 PID: 74 at crypto/crypto_engine.c:58 crypto_finalize_request+0xa0/0x118
    Modules linked in: cryptodev(O)
    CPU: 2 PID: 74 Comm: firmware:zynqmp Tainted: G           O       6.8.0-rc1-yocto-standard #323
    Hardware name: ZynqMP ZCU102 Rev1.0 (DT)
    pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
    pc : crypto_finalize_request+0xa0/0x118
    lr : crypto_finalize_request+0x104/0x118
    sp : ffffffc085353ce0
    x29: ffffffc085353ce0 x28: 0000000000000000 x27: ffffff8808ea8688
    x26: ffffffc081715038 x25: 0000000000000000 x24: ffffff880100db00
    x23: ffffff880100da80 x22: 0000000000000000 x21: 0000000000000000
    x20: ffffff8805b14000 x19: ffffff880100da80 x18: 0000000000010450
    x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
    x14: 0000000000000003 x13: 0000000000000000 x12: ffffff880100dad0
    x11: 0000000000000000 x10: ffffffc0832dcd08 x9 : ffffffc0812416d8
    x8 : 00000000000001f4 x7 : ffffffc0830d2830 x6 : 0000000000000001
    x5 : ffffffc082091000 x4 : ffffffc082091658 x3 : 0000000000000000
    x2 : ffffffc7f9653000 x1 : 0000000000000000 x0 : ffffff8802d20000
    Call trace:
     crypto_finalize_request+0xa0/0x118
     crypto_finalize_aead_request+0x18/0x30
     zynqmp_handle_aes_req+0xcc/0x388
     crypto_pump_work+0x168/0x2d8
     kthread_worker_fn+0xfc/0x3a0
     kthread+0x118/0x138
     ret_from_fork+0x10/0x20
    irq event stamp: 40
    hardirqs last  enabled at (39): [<ffffffc0812416f8>] _raw_spin_unlock_irqrestore+0x70/0xb0
    hardirqs last disabled at (40): [<ffffffc08122d208>] el1_dbg+0x28/0x90
    softirqs last  enabled at (36): [<ffffffc080017dec>] kernel_neon_begin+0x8c/0xf0
    softirqs last disabled at (34): [<ffffffc080017dc0>] kernel_neon_begin+0x60/0xf0
    ---[ end trace 0000000000000000 ]---

Fixes: 4d96f7d48131 ("crypto: xilinx - Add Xilinx AES driver")
Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/crypto/xilinx/zynqmp-aes-gcm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/crypto/xilinx/zynqmp-aes-gcm.c b/drivers/crypto/xilinx/zynqmp-aes-gcm.c
index bf1f421e05f25..74bd3eb63734d 100644
--- a/drivers/crypto/xilinx/zynqmp-aes-gcm.c
+++ b/drivers/crypto/xilinx/zynqmp-aes-gcm.c
@@ -231,7 +231,10 @@ static int zynqmp_handle_aes_req(struct crypto_engine *engine,
 		err = zynqmp_aes_aead_cipher(areq);
 	}
 
+	local_bh_disable();
 	crypto_finalize_aead_request(engine, areq, err);
+	local_bh_enable();
+
 	return 0;
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 196/317] perf thread_map: Free strlist on normal path in thread_map__new_by_tid_str()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (194 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 195/317] crypto: xilinx - call finalize with bh disabled Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 197/317] drm/radeon/ni: Fix wrong firmware size logging in ni_init_microcode() Sasha Levin
                   ` (123 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yang Jihong, Arnaldo Carvalho de Melo, Namhyung Kim, Sasha Levin

From: Yang Jihong <yangjihong1@huawei.com>

[ Upstream commit 1eb3d924e3c0b8c27388b0583a989d757866efb6 ]

slist needs to be freed in both error path and normal path in
thread_map__new_by_tid_str().

Fixes: b52956c961be3a04 ("perf tools: Allow multiple threads or processes in record, stat, top")
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240206083228.172607-6-yangjihong1@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/perf/util/thread_map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index c9bfe4696943b..cee7fc3b5bb0c 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -279,13 +279,13 @@ struct perf_thread_map *thread_map__new_by_tid_str(const char *tid_str)
 		threads->nr = ntasks;
 	}
 out:
+	strlist__delete(slist);
 	if (threads)
 		refcount_set(&threads->refcnt, 1);
 	return threads;
 
 out_free_threads:
 	zfree(&threads);
-	strlist__delete(slist);
 	goto out;
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 197/317] drm/radeon/ni: Fix wrong firmware size logging in ni_init_microcode()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (195 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 196/317] perf thread_map: Free strlist on normal path in thread_map__new_by_tid_str() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 198/317] ALSA: seq: fix function cast warnings Sasha Levin
                   ` (122 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Nikita Zhandarovich, Alex Deucher, Sasha Levin

From: Nikita Zhandarovich <n.zhandarovich@fintech.ru>

[ Upstream commit c4891d979c7668b195a0a75787967ec95a24ecef ]

Clean up a typo in pr_err() erroneously printing NI MC 'rdev->mc_fw->size'
during SMC firmware load. Log 'rdev->smc_fw->size' instead.

Found by Linux Verification Center (linuxtesting.org) with static
analysis tool SVACE.

Fixes: 6596afd48af4 ("drm/radeon/kms: add dpm support for btc (v3)")
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/radeon/ni.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 4a364ca7a1be7..b041b6bfaeca6 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -813,7 +813,7 @@ int ni_init_microcode(struct radeon_device *rdev)
 			err = 0;
 		} else if (rdev->smc_fw->size != smc_req_size) {
 			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
-			       rdev->mc_fw->size, fw_name);
+			       rdev->smc_fw->size, fw_name);
 			err = -EINVAL;
 		}
 	}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 198/317] ALSA: seq: fix function cast warnings
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (196 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 197/317] drm/radeon/ni: Fix wrong firmware size logging in ni_init_microcode() Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:32 ` [PATCH 5.15 199/317] perf stat: Avoid metric-only segv Sasha Levin
                   ` (121 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Takashi Iwai, Arnd Bergmann, Sasha Levin

From: Takashi Iwai <tiwai@suse.de>

[ Upstream commit d7bf73809849463f76de42aad62c850305dd6c5d ]

clang-16 points out a control flow integrity (kcfi) issue when event
callbacks get converted to incompatible types:

sound/core/seq/seq_midi.c:135:30: error: cast from 'int (*)(struct snd_rawmidi_substream *, const char *, int)' to 'snd_seq_dump_func_t' (aka 'int (*)(void *, void *, int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  135 |                 snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)dump_midi, substream);
      |                                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/core/seq/seq_virmidi.c:83:31: error: cast from 'int (*)(struct snd_rawmidi_substream *, const unsigned char *, int)' to 'snd_seq_dump_func_t' (aka 'int (*)(void *, void *, int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
   83 |                         snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)snd_rawmidi_receive, vmidi->substream);
      |                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

For addressing those errors, introduce wrapper functions that are used
for callbacks and bridge to the actual function call with pointer
cast.

The code was originally added with the initial ALSA merge in linux-2.5.4.

[ the patch description shamelessly copied from Arnd's original patch
  -- tiwai ]

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240213101020.459183-1-arnd@kernel.org
Link: https://lore.kernel.org/r/20240213135343.16411-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/core/seq/seq_midi.c    | 8 +++++++-
 sound/core/seq/seq_virmidi.c | 9 ++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c
index 4589aac091542..b00bbf18a6f5d 100644
--- a/sound/core/seq/seq_midi.c
+++ b/sound/core/seq/seq_midi.c
@@ -112,6 +112,12 @@ static int dump_midi(struct snd_rawmidi_substream *substream, const char *buf, i
 	return 0;
 }
 
+/* callback for snd_seq_dump_var_event(), bridging to dump_midi() */
+static int __dump_midi(void *ptr, void *buf, int count)
+{
+	return dump_midi(ptr, buf, count);
+}
+
 static int event_process_midi(struct snd_seq_event *ev, int direct,
 			      void *private_data, int atomic, int hop)
 {
@@ -131,7 +137,7 @@ static int event_process_midi(struct snd_seq_event *ev, int direct,
 			pr_debug("ALSA: seq_midi: invalid sysex event flags = 0x%x\n", ev->flags);
 			return 0;
 		}
-		snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)dump_midi, substream);
+		snd_seq_dump_var_event(ev, __dump_midi, substream);
 		snd_midi_event_reset_decode(msynth->parser);
 	} else {
 		if (msynth->parser == NULL)
diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c
index 4abc38c70cae2..339799bfaad9d 100644
--- a/sound/core/seq/seq_virmidi.c
+++ b/sound/core/seq/seq_virmidi.c
@@ -62,6 +62,13 @@ static void snd_virmidi_init_event(struct snd_virmidi *vmidi,
 /*
  * decode input event and put to read buffer of each opened file
  */
+
+/* callback for snd_seq_dump_var_event(), bridging to snd_rawmidi_receive() */
+static int dump_to_rawmidi(void *ptr, void *buf, int count)
+{
+	return snd_rawmidi_receive(ptr, buf, count);
+}
+
 static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
 					 struct snd_seq_event *ev,
 					 bool atomic)
@@ -80,7 +87,7 @@ static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
 		if (ev->type == SNDRV_SEQ_EVENT_SYSEX) {
 			if ((ev->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) != SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
 				continue;
-			snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)snd_rawmidi_receive, vmidi->substream);
+			snd_seq_dump_var_event(ev, dump_to_rawmidi, vmidi->substream);
 			snd_midi_event_reset_decode(vmidi->parser);
 		} else {
 			len = snd_midi_event_decode(vmidi->parser, msg, sizeof(msg), ev);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 199/317] perf stat: Avoid metric-only segv
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (197 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 198/317] ALSA: seq: fix function cast warnings Sasha Levin
@ 2024-03-24 23:32 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 200/317] ASoC: meson: Use dev_err_probe() helper Sasha Levin
                   ` (120 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:32 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ian Rogers, Kan Liang, K Prateek Nayak, James Clark, Kaige Ye,
	John Garry, Namhyung Kim, Sasha Levin

From: Ian Rogers <irogers@google.com>

[ Upstream commit 2543947c77e0e224bda86b4e7220c2f6714da463 ]

Cycles is recognized as part of a hard coded metric in stat-shadow.c,
it may call print_metric_only with a NULL fmt string leading to a
segfault. Handle the NULL fmt explicitly.

Fixes: 088519f318be ("perf stat: Move the display functions to stat-display.c")
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: James Clark <james.clark@arm.com>
Cc: Kaige Ye <ye@kaige.org>
Cc: John Garry <john.g.garry@oracle.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240209204947.3873294-4-irogers@google.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/perf/util/stat-display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 24e50fabb6c33..5ed20e1e09aef 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -275,7 +275,7 @@ static void print_metric_only(struct perf_stat_config *config,
 	if (color)
 		mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
 
-	color_snprintf(str, sizeof(str), color ?: "", fmt, val);
+	color_snprintf(str, sizeof(str), color ?: "", fmt ?: "", val);
 	fprintf(out, "%*s ", mlen, str);
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 200/317] ASoC: meson: Use dev_err_probe() helper
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (198 preceding siblings ...)
  2024-03-24 23:32 ` [PATCH 5.15 199/317] perf stat: Avoid metric-only segv Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 201/317] ASoC: meson: aiu: fix function pointer type mismatch Sasha Levin
                   ` (119 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Kuninori Morimoto, Mark Brown, Sasha Levin

From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

[ Upstream commit 2ff4e003e8e105fb65c682c876a5cb0e00f854bf ]

Use the dev_err_probe() helper, instead of open-coding the same
operation.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20211214020843.2225831-17-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Stable-dep-of: 98ac85a00f31 ("ASoC: meson: aiu: fix function pointer type mismatch")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/meson/aiu.c               | 36 +++++++--------------
 sound/soc/meson/axg-fifo.c          | 16 +++------
 sound/soc/meson/axg-pdm.c           | 25 ++++-----------
 sound/soc/meson/axg-spdifin.c       | 17 +++-------
 sound/soc/meson/axg-spdifout.c      | 17 +++-------
 sound/soc/meson/axg-tdm-formatter.c | 50 ++++++++---------------------
 sound/soc/meson/axg-tdm-interface.c | 25 ++++-----------
 sound/soc/meson/meson-card-utils.c  |  8 ++---
 sound/soc/meson/t9015.c             | 14 +++-----
 9 files changed, 56 insertions(+), 152 deletions(-)

diff --git a/sound/soc/meson/aiu.c b/sound/soc/meson/aiu.c
index ba15d5762b0bf..d299a70db7e59 100644
--- a/sound/soc/meson/aiu.c
+++ b/sound/soc/meson/aiu.c
@@ -218,34 +218,23 @@ static int aiu_clk_get(struct device *dev)
 	int ret;
 
 	aiu->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(aiu->pclk)) {
-		if (PTR_ERR(aiu->pclk) != -EPROBE_DEFER)
-			dev_err(dev, "Can't get the aiu pclk\n");
-		return PTR_ERR(aiu->pclk);
-	}
+	if (IS_ERR(aiu->pclk))
+		return dev_err_probe(dev, PTR_ERR(aiu->pclk), "Can't get the aiu pclk\n");
 
 	aiu->spdif_mclk = devm_clk_get(dev, "spdif_mclk");
-	if (IS_ERR(aiu->spdif_mclk)) {
-		if (PTR_ERR(aiu->spdif_mclk) != -EPROBE_DEFER)
-			dev_err(dev, "Can't get the aiu spdif master clock\n");
-		return PTR_ERR(aiu->spdif_mclk);
-	}
+	if (IS_ERR(aiu->spdif_mclk))
+		return dev_err_probe(dev, PTR_ERR(aiu->spdif_mclk),
+				     "Can't get the aiu spdif master clock\n");
 
 	ret = aiu_clk_bulk_get(dev, aiu_i2s_ids, ARRAY_SIZE(aiu_i2s_ids),
 			       &aiu->i2s);
-	if (ret) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Can't get the i2s clocks\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Can't get the i2s clocks\n");
 
 	ret = aiu_clk_bulk_get(dev, aiu_spdif_ids, ARRAY_SIZE(aiu_spdif_ids),
 			       &aiu->spdif);
-	if (ret) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Can't get the spdif clocks\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Can't get the spdif clocks\n");
 
 	ret = clk_prepare_enable(aiu->pclk);
 	if (ret) {
@@ -281,11 +270,8 @@ static int aiu_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, aiu);
 
 	ret = device_reset(dev);
-	if (ret) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Failed to reset device\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to reset device\n");
 
 	regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(regs))
diff --git a/sound/soc/meson/axg-fifo.c b/sound/soc/meson/axg-fifo.c
index b9af2d513e096..bccfb770b3391 100644
--- a/sound/soc/meson/axg-fifo.c
+++ b/sound/soc/meson/axg-fifo.c
@@ -351,20 +351,12 @@ int axg_fifo_probe(struct platform_device *pdev)
 	}
 
 	fifo->pclk = devm_clk_get(dev, NULL);
-	if (IS_ERR(fifo->pclk)) {
-		if (PTR_ERR(fifo->pclk) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get pclk: %ld\n",
-				PTR_ERR(fifo->pclk));
-		return PTR_ERR(fifo->pclk);
-	}
+	if (IS_ERR(fifo->pclk))
+		return dev_err_probe(dev, PTR_ERR(fifo->pclk), "failed to get pclk\n");
 
 	fifo->arb = devm_reset_control_get_exclusive(dev, NULL);
-	if (IS_ERR(fifo->arb)) {
-		if (PTR_ERR(fifo->arb) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get arb reset: %ld\n",
-				PTR_ERR(fifo->arb));
-		return PTR_ERR(fifo->arb);
-	}
+	if (IS_ERR(fifo->arb))
+		return dev_err_probe(dev, PTR_ERR(fifo->arb), "failed to get arb reset\n");
 
 	fifo->irq = of_irq_get(dev->of_node, 0);
 	if (fifo->irq <= 0) {
diff --git a/sound/soc/meson/axg-pdm.c b/sound/soc/meson/axg-pdm.c
index bfd37d49a73ef..672e43a9729dc 100644
--- a/sound/soc/meson/axg-pdm.c
+++ b/sound/soc/meson/axg-pdm.c
@@ -586,7 +586,6 @@ static int axg_pdm_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct axg_pdm *priv;
 	void __iomem *regs;
-	int ret;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -611,28 +610,16 @@ static int axg_pdm_probe(struct platform_device *pdev)
 	}
 
 	priv->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(priv->pclk)) {
-		ret = PTR_ERR(priv->pclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get pclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(priv->pclk))
+		return dev_err_probe(dev, PTR_ERR(priv->pclk), "failed to get pclk\n");
 
 	priv->dclk = devm_clk_get(dev, "dclk");
-	if (IS_ERR(priv->dclk)) {
-		ret = PTR_ERR(priv->dclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get dclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(priv->dclk))
+		return dev_err_probe(dev, PTR_ERR(priv->dclk), "failed to get dclk\n");
 
 	priv->sysclk = devm_clk_get(dev, "sysclk");
-	if (IS_ERR(priv->sysclk)) {
-		ret = PTR_ERR(priv->sysclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get dclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(priv->sysclk))
+		return dev_err_probe(dev, PTR_ERR(priv->sysclk), "failed to get dclk\n");
 
 	return devm_snd_soc_register_component(dev, &axg_pdm_component_drv,
 					       &axg_pdm_dai_drv, 1);
diff --git a/sound/soc/meson/axg-spdifin.c b/sound/soc/meson/axg-spdifin.c
index 7aaded1fc376b..245189d2ee95f 100644
--- a/sound/soc/meson/axg-spdifin.c
+++ b/sound/soc/meson/axg-spdifin.c
@@ -439,7 +439,6 @@ static int axg_spdifin_probe(struct platform_device *pdev)
 	struct axg_spdifin *priv;
 	struct snd_soc_dai_driver *dai_drv;
 	void __iomem *regs;
-	int ret;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -464,20 +463,12 @@ static int axg_spdifin_probe(struct platform_device *pdev)
 	}
 
 	priv->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(priv->pclk)) {
-		ret = PTR_ERR(priv->pclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get pclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(priv->pclk))
+		return dev_err_probe(dev, PTR_ERR(priv->pclk), "failed to get pclk\n");
 
 	priv->refclk = devm_clk_get(dev, "refclk");
-	if (IS_ERR(priv->refclk)) {
-		ret = PTR_ERR(priv->refclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get mclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(priv->refclk))
+		return dev_err_probe(dev, PTR_ERR(priv->refclk), "failed to get mclk\n");
 
 	dai_drv = axg_spdifin_get_dai_drv(dev, priv);
 	if (IS_ERR(dai_drv)) {
diff --git a/sound/soc/meson/axg-spdifout.c b/sound/soc/meson/axg-spdifout.c
index e769a5ee6e27e..3960d082e1436 100644
--- a/sound/soc/meson/axg-spdifout.c
+++ b/sound/soc/meson/axg-spdifout.c
@@ -403,7 +403,6 @@ static int axg_spdifout_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct axg_spdifout *priv;
 	void __iomem *regs;
-	int ret;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -422,20 +421,12 @@ static int axg_spdifout_probe(struct platform_device *pdev)
 	}
 
 	priv->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(priv->pclk)) {
-		ret = PTR_ERR(priv->pclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get pclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(priv->pclk))
+		return dev_err_probe(dev, PTR_ERR(priv->pclk), "failed to get pclk\n");
 
 	priv->mclk = devm_clk_get(dev, "mclk");
-	if (IS_ERR(priv->mclk)) {
-		ret = PTR_ERR(priv->mclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get mclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(priv->mclk))
+		return dev_err_probe(dev, PTR_ERR(priv->mclk), "failed to get mclk\n");
 
 	return devm_snd_soc_register_component(dev, &axg_spdifout_component_drv,
 			axg_spdifout_dai_drv, ARRAY_SIZE(axg_spdifout_dai_drv));
diff --git a/sound/soc/meson/axg-tdm-formatter.c b/sound/soc/meson/axg-tdm-formatter.c
index 4834cfd163c03..63333a2b0a9c3 100644
--- a/sound/soc/meson/axg-tdm-formatter.c
+++ b/sound/soc/meson/axg-tdm-formatter.c
@@ -265,7 +265,6 @@ int axg_tdm_formatter_probe(struct platform_device *pdev)
 	const struct axg_tdm_formatter_driver *drv;
 	struct axg_tdm_formatter *formatter;
 	void __iomem *regs;
-	int ret;
 
 	drv = of_device_get_match_data(dev);
 	if (!drv) {
@@ -292,57 +291,34 @@ int axg_tdm_formatter_probe(struct platform_device *pdev)
 
 	/* Peripharal clock */
 	formatter->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(formatter->pclk)) {
-		ret = PTR_ERR(formatter->pclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get pclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(formatter->pclk))
+		return dev_err_probe(dev, PTR_ERR(formatter->pclk), "failed to get pclk\n");
 
 	/* Formatter bit clock */
 	formatter->sclk = devm_clk_get(dev, "sclk");
-	if (IS_ERR(formatter->sclk)) {
-		ret = PTR_ERR(formatter->sclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get sclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(formatter->sclk))
+		return dev_err_probe(dev, PTR_ERR(formatter->sclk), "failed to get sclk\n");
 
 	/* Formatter sample clock */
 	formatter->lrclk = devm_clk_get(dev, "lrclk");
-	if (IS_ERR(formatter->lrclk)) {
-		ret = PTR_ERR(formatter->lrclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get lrclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(formatter->lrclk))
+		return dev_err_probe(dev, PTR_ERR(formatter->lrclk), "failed to get lrclk\n");
 
 	/* Formatter bit clock input multiplexer */
 	formatter->sclk_sel = devm_clk_get(dev, "sclk_sel");
-	if (IS_ERR(formatter->sclk_sel)) {
-		ret = PTR_ERR(formatter->sclk_sel);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get sclk_sel: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(formatter->sclk_sel))
+		return dev_err_probe(dev, PTR_ERR(formatter->sclk_sel), "failed to get sclk_sel\n");
 
 	/* Formatter sample clock input multiplexer */
 	formatter->lrclk_sel = devm_clk_get(dev, "lrclk_sel");
-	if (IS_ERR(formatter->lrclk_sel)) {
-		ret = PTR_ERR(formatter->lrclk_sel);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get lrclk_sel: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(formatter->lrclk_sel))
+		return dev_err_probe(dev, PTR_ERR(formatter->lrclk_sel),
+				     "failed to get lrclk_sel\n");
 
 	/* Formatter dedicated reset line */
 	formatter->reset = devm_reset_control_get_optional_exclusive(dev, NULL);
-	if (IS_ERR(formatter->reset)) {
-		ret = PTR_ERR(formatter->reset);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get reset: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(formatter->reset))
+		return dev_err_probe(dev, PTR_ERR(formatter->reset), "failed to get reset\n");
 
 	return devm_snd_soc_register_component(dev, drv->component_drv,
 					       NULL, 0);
diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c
index 87cac440b3693..e076ced300257 100644
--- a/sound/soc/meson/axg-tdm-interface.c
+++ b/sound/soc/meson/axg-tdm-interface.c
@@ -517,21 +517,13 @@ static int axg_tdm_iface_probe(struct platform_device *pdev)
 
 	/* Bit clock provided on the pad */
 	iface->sclk = devm_clk_get(dev, "sclk");
-	if (IS_ERR(iface->sclk)) {
-		ret = PTR_ERR(iface->sclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get sclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(iface->sclk))
+		return dev_err_probe(dev, PTR_ERR(iface->sclk), "failed to get sclk\n");
 
 	/* Sample clock provided on the pad */
 	iface->lrclk = devm_clk_get(dev, "lrclk");
-	if (IS_ERR(iface->lrclk)) {
-		ret = PTR_ERR(iface->lrclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to get lrclk: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(iface->lrclk))
+		return dev_err_probe(dev, PTR_ERR(iface->lrclk), "failed to get lrclk\n");
 
 	/*
 	 * mclk maybe be missing when the cpu dai is in slave mode and
@@ -542,13 +534,10 @@ static int axg_tdm_iface_probe(struct platform_device *pdev)
 	iface->mclk = devm_clk_get(dev, "mclk");
 	if (IS_ERR(iface->mclk)) {
 		ret = PTR_ERR(iface->mclk);
-		if (ret == -ENOENT) {
+		if (ret == -ENOENT)
 			iface->mclk = NULL;
-		} else {
-			if (ret != -EPROBE_DEFER)
-				dev_err(dev, "failed to get mclk: %d\n", ret);
-			return ret;
-		}
+		else
+			return dev_err_probe(dev, ret, "failed to get mclk\n");
 	}
 
 	return devm_snd_soc_register_component(dev,
diff --git a/sound/soc/meson/meson-card-utils.c b/sound/soc/meson/meson-card-utils.c
index 415cc0046e4b4..23ccd2a720e19 100644
--- a/sound/soc/meson/meson-card-utils.c
+++ b/sound/soc/meson/meson-card-utils.c
@@ -85,11 +85,9 @@ int meson_card_parse_dai(struct snd_soc_card *card,
 
 	ret = of_parse_phandle_with_args(node, "sound-dai",
 					 "#sound-dai-cells", 0, &args);
-	if (ret) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(card->dev, "can't parse dai %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(card->dev, ret, "can't parse dai\n");
+
 	*dai_of_node = args.np;
 
 	return snd_soc_get_dai_name(&args, dai_name);
diff --git a/sound/soc/meson/t9015.c b/sound/soc/meson/t9015.c
index 4c1349dd1e06a..a9b8c4e77d405 100644
--- a/sound/soc/meson/t9015.c
+++ b/sound/soc/meson/t9015.c
@@ -258,18 +258,12 @@ static int t9015_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, priv);
 
 	priv->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(priv->pclk)) {
-		if (PTR_ERR(priv->pclk) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get core clock\n");
-		return PTR_ERR(priv->pclk);
-	}
+	if (IS_ERR(priv->pclk))
+		return dev_err_probe(dev, PTR_ERR(priv->pclk), "failed to get core clock\n");
 
 	priv->avdd = devm_regulator_get(dev, "AVDD");
-	if (IS_ERR(priv->avdd)) {
-		if (PTR_ERR(priv->avdd) != -EPROBE_DEFER)
-			dev_err(dev, "failed to AVDD\n");
-		return PTR_ERR(priv->avdd);
-	}
+	if (IS_ERR(priv->avdd))
+		return dev_err_probe(dev, PTR_ERR(priv->avdd), "failed to AVDD\n");
 
 	ret = clk_prepare_enable(priv->pclk);
 	if (ret) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 201/317] ASoC: meson: aiu: fix function pointer type mismatch
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (199 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 200/317] ASoC: meson: Use dev_err_probe() helper Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 202/317] ASoC: meson: t9015: " Sasha Levin
                   ` (118 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jerome Brunet, Arnd Bergmann, Justin Stitt, Mark Brown, Sasha Levin

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit 98ac85a00f31d2e9d5452b825a9ed0153d934043 ]

clang-16 warns about casting functions to incompatible types, as is done
here to call clk_disable_unprepare:

sound/soc/meson/aiu.c:243:12: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  243 |                                        (void(*)(void *))clk_disable_unprepare,

The pattern of getting, enabling and setting a disable callback for a
clock can be replaced with devm_clk_get_enabled(), which also fixes
this warning.

Fixes: 6ae9ca9ce986 ("ASoC: meson: aiu: add i2s and spdif support")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Link: https://msgid.link/r/20240213215807.3326688-2-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/meson/aiu.c | 19 ++++---------------
 sound/soc/meson/aiu.h |  1 -
 2 files changed, 4 insertions(+), 16 deletions(-)

diff --git a/sound/soc/meson/aiu.c b/sound/soc/meson/aiu.c
index d299a70db7e59..a164ca2446ecd 100644
--- a/sound/soc/meson/aiu.c
+++ b/sound/soc/meson/aiu.c
@@ -215,11 +215,12 @@ static const char * const aiu_spdif_ids[] = {
 static int aiu_clk_get(struct device *dev)
 {
 	struct aiu *aiu = dev_get_drvdata(dev);
+	struct clk *pclk;
 	int ret;
 
-	aiu->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(aiu->pclk))
-		return dev_err_probe(dev, PTR_ERR(aiu->pclk), "Can't get the aiu pclk\n");
+	pclk = devm_clk_get_enabled(dev, "pclk");
+	if (IS_ERR(pclk))
+		return dev_err_probe(dev, PTR_ERR(pclk), "Can't get the aiu pclk\n");
 
 	aiu->spdif_mclk = devm_clk_get(dev, "spdif_mclk");
 	if (IS_ERR(aiu->spdif_mclk))
@@ -236,18 +237,6 @@ static int aiu_clk_get(struct device *dev)
 	if (ret)
 		return dev_err_probe(dev, ret, "Can't get the spdif clocks\n");
 
-	ret = clk_prepare_enable(aiu->pclk);
-	if (ret) {
-		dev_err(dev, "peripheral clock enable failed\n");
-		return ret;
-	}
-
-	ret = devm_add_action_or_reset(dev,
-				       (void(*)(void *))clk_disable_unprepare,
-				       aiu->pclk);
-	if (ret)
-		dev_err(dev, "failed to add reset action on pclk");
-
 	return ret;
 }
 
diff --git a/sound/soc/meson/aiu.h b/sound/soc/meson/aiu.h
index 393b6c2307e49..0f94c8bf60818 100644
--- a/sound/soc/meson/aiu.h
+++ b/sound/soc/meson/aiu.h
@@ -33,7 +33,6 @@ struct aiu_platform_data {
 };
 
 struct aiu {
-	struct clk *pclk;
 	struct clk *spdif_mclk;
 	struct aiu_interface i2s;
 	struct aiu_interface spdif;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 202/317] ASoC: meson: t9015: fix function pointer type mismatch
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (200 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 201/317] ASoC: meson: aiu: fix function pointer type mismatch Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 203/317] powerpc: Force inlining of arch_vmap_p{u/m}d_supported() Sasha Levin
                   ` (117 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jerome Brunet, Arnd Bergmann, Justin Stitt, Mark Brown, Sasha Levin

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit 5ad992c71b6a8e8a547954addc7af9fbde6ca10a ]

clang-16 warns about casting functions to incompatible types, as is done
here to call clk_disable_unprepare:

sound/soc/meson/t9015.c:274:4: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  274 |                         (void(*)(void *))clk_disable_unprepare,

The pattern of getting, enabling and setting a disable callback for a
clock can be replaced with devm_clk_get_enabled(), which also fixes
this warning.

Fixes: 33901f5b9b16 ("ASoC: meson: add t9015 internal DAC driver")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Link: https://msgid.link/r/20240213215807.3326688-3-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/meson/t9015.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/sound/soc/meson/t9015.c b/sound/soc/meson/t9015.c
index a9b8c4e77d405..0571549a88206 100644
--- a/sound/soc/meson/t9015.c
+++ b/sound/soc/meson/t9015.c
@@ -48,7 +48,6 @@
 #define POWER_CFG	0x10
 
 struct t9015 {
-	struct clk *pclk;
 	struct regulator *avdd;
 };
 
@@ -250,6 +249,7 @@ static int t9015_probe(struct platform_device *pdev)
 	struct t9015 *priv;
 	void __iomem *regs;
 	struct regmap *regmap;
+	struct clk *pclk;
 	int ret;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -257,26 +257,14 @@ static int t9015_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	platform_set_drvdata(pdev, priv);
 
-	priv->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(priv->pclk))
-		return dev_err_probe(dev, PTR_ERR(priv->pclk), "failed to get core clock\n");
+	pclk = devm_clk_get_enabled(dev, "pclk");
+	if (IS_ERR(pclk))
+		return dev_err_probe(dev, PTR_ERR(pclk), "failed to get core clock\n");
 
 	priv->avdd = devm_regulator_get(dev, "AVDD");
 	if (IS_ERR(priv->avdd))
 		return dev_err_probe(dev, PTR_ERR(priv->avdd), "failed to AVDD\n");
 
-	ret = clk_prepare_enable(priv->pclk);
-	if (ret) {
-		dev_err(dev, "core clock enable failed\n");
-		return ret;
-	}
-
-	ret = devm_add_action_or_reset(dev,
-			(void(*)(void *))clk_disable_unprepare,
-			priv->pclk);
-	if (ret)
-		return ret;
-
 	ret = device_reset(dev);
 	if (ret) {
 		dev_err(dev, "reset failed\n");
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 203/317] powerpc: Force inlining of arch_vmap_p{u/m}d_supported()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (201 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 202/317] ASoC: meson: t9015: " Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 204/317] PCI: endpoint: Support NTB transfer between RC and EP Sasha Levin
                   ` (116 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Christophe Leroy, kernel test robot, Michael Ellerman, Sasha Levin

From: Christophe Leroy <christophe.leroy@csgroup.eu>

[ Upstream commit c5aebb53b32460bc52680dd4e2a2f6b84d5ea521 ]

arch_vmap_pud_supported() and arch_vmap_pmd_supported() are
expected to constant-fold to false when RADIX is not enabled.

Force inlining in order to avoid following failure which
leads to unexpected call of non-existing pud_set_huge() and
pmd_set_huge() on powerpc 8xx.

In function 'pud_huge_tests',
    inlined from 'debug_vm_pgtable' at mm/debug_vm_pgtable.c:1399:2:
./arch/powerpc/include/asm/vmalloc.h:9:33: warning: inlining failed in call to 'arch_vmap_pud_supported.isra': call is unlikely and code size would grow [-Winline]
    9 | #define arch_vmap_pud_supported arch_vmap_pud_supported
      |                                 ^~~~~~~~~~~~~~~~~~~~~~~
./arch/powerpc/include/asm/vmalloc.h:10:20: note: in expansion of macro 'arch_vmap_pud_supported'
   10 | static inline bool arch_vmap_pud_supported(pgprot_t prot)
      |                    ^~~~~~~~~~~~~~~~~~~~~~~
./arch/powerpc/include/asm/vmalloc.h:9:33: note: called from here
    9 | #define arch_vmap_pud_supported arch_vmap_pud_supported
mm/debug_vm_pgtable.c:458:14: note: in expansion of macro 'arch_vmap_pud_supported'
  458 |         if (!arch_vmap_pud_supported(args->page_prot) ||
      |              ^~~~~~~~~~~~~~~~~~~~~~~

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202402131836.OU1TDuoi-lkp@intel.com/
Fixes: 8309c9d71702 ("powerpc: inline huge vmap supported functions")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/bbd84ad52bf377e8d3b5865a906f2dc5d99964ba.1707832677.git.christophe.leroy@csgroup.eu
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/include/asm/vmalloc.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/vmalloc.h b/arch/powerpc/include/asm/vmalloc.h
index 4c69ece52a31e..59ed89890c902 100644
--- a/arch/powerpc/include/asm/vmalloc.h
+++ b/arch/powerpc/include/asm/vmalloc.h
@@ -7,14 +7,14 @@
 #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
 
 #define arch_vmap_pud_supported arch_vmap_pud_supported
-static inline bool arch_vmap_pud_supported(pgprot_t prot)
+static __always_inline bool arch_vmap_pud_supported(pgprot_t prot)
 {
 	/* HPT does not cope with large pages in the vmalloc area */
 	return radix_enabled();
 }
 
 #define arch_vmap_pmd_supported arch_vmap_pmd_supported
-static inline bool arch_vmap_pmd_supported(pgprot_t prot)
+static __always_inline bool arch_vmap_pmd_supported(pgprot_t prot)
 {
 	return radix_enabled();
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 204/317] PCI: endpoint: Support NTB transfer between RC and EP
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (202 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 203/317] powerpc: Force inlining of arch_vmap_p{u/m}d_supported() Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 205/317] NTB: EPF: fix possible memory leak in pci_vntb_probe() Sasha Levin
                   ` (115 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Frank Li, Jon Mason, Sasha Levin

From: Frank Li <Frank.Li@nxp.com>

[ Upstream commit e35f56bb03304abc92c928b641af41ca372966bb ]

Add NTB function driver and virtual PCI Bus and Virtual NTB driver
to implement communication between PCIe Root Port and PCIe EP devices

┌────────────┐         ┌─────────────────────────────────────┐
│            │         │                                     │
├────────────┤         │                      ┌──────────────┤
│ NTB        │         │                      │ NTB          │
│ NetDev     │         │                      │ NetDev       │
├────────────┤         │                      ├──────────────┤
│ NTB        │         │                      │ NTB          │
│ Transfer   │         │                      │ Transfer     │
├────────────┤         │                      ├──────────────┤
│            │         │                      │              │
│  PCI NTB   │         │                      │              │
│    EPF     │         │                      │              │
│   Driver   │         │                      │ PCI Virtual  │
│            │         ├───────────────┐      │ NTB Driver   │
│            │         │ PCI EP NTB    │◄────►│              │
│            │         │  FN Driver    │      │              │
├────────────┤         ├───────────────┤      ├──────────────┤
│            │         │               │      │              │
│  PCI Bus   │ ◄─────► │  PCI EP Bus   │      │  Virtual PCI │
│            │  PCI    │               │      │     Bus      │
└────────────┘         └───────────────┴──────┴──────────────┘
PCIe Root Port                        PCI EP

This driver includes 3 parts:
 1 PCI EP NTB function driver
 2 Virtual PCI bus
 3 PCI virtual NTB driver, which is loaded only by above virtual PCI bus

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Stable-dep-of: aebfdfe39b93 ("NTB: fix possible name leak in ntb_register_device()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pci/endpoint/functions/Kconfig        |   11 +
 drivers/pci/endpoint/functions/Makefile       |    1 +
 drivers/pci/endpoint/functions/pci-epf-vntb.c | 1424 +++++++++++++++++
 3 files changed, 1436 insertions(+)
 create mode 100644 drivers/pci/endpoint/functions/pci-epf-vntb.c

diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig
index 5f1242ca2f4e4..65217428d17b9 100644
--- a/drivers/pci/endpoint/functions/Kconfig
+++ b/drivers/pci/endpoint/functions/Kconfig
@@ -25,3 +25,14 @@ config PCI_EPF_NTB
 	  device tree.
 
 	  If in doubt, say "N" to disable Endpoint NTB driver.
+
+config PCI_EPF_VNTB
+        tristate "PCI Endpoint NTB driver"
+        depends on PCI_ENDPOINT
+        select CONFIGFS_FS
+        help
+          Select this configuration option to enable the Non-Transparent
+          Bridge (NTB) driver for PCIe Endpoint. NTB driver implements NTB
+          between PCI Root Port and PCIe Endpoint.
+
+          If in doubt, say "N" to disable Endpoint NTB driver.
diff --git a/drivers/pci/endpoint/functions/Makefile b/drivers/pci/endpoint/functions/Makefile
index 96ab932a537a2..5c13001deaba1 100644
--- a/drivers/pci/endpoint/functions/Makefile
+++ b/drivers/pci/endpoint/functions/Makefile
@@ -5,3 +5,4 @@
 
 obj-$(CONFIG_PCI_EPF_TEST)		+= pci-epf-test.o
 obj-$(CONFIG_PCI_EPF_NTB)		+= pci-epf-ntb.o
+obj-$(CONFIG_PCI_EPF_VNTB) 		+= pci-epf-vntb.o
diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c
new file mode 100644
index 0000000000000..1466dd1904175
--- /dev/null
+++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c
@@ -0,0 +1,1424 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Endpoint Function Driver to implement Non-Transparent Bridge functionality
+ * Between PCI RC and EP
+ *
+ * Copyright (C) 2020 Texas Instruments
+ * Copyright (C) 2022 NXP
+ *
+ * Based on pci-epf-ntb.c
+ * Author: Frank Li <Frank.Li@nxp.com>
+ * Author: Kishon Vijay Abraham I <kishon@ti.com>
+ */
+
+/**
+ * +------------+         +---------------------------------------+
+ * |            |         |                                       |
+ * +------------+         |                        +--------------+
+ * | NTB        |         |                        | NTB          |
+ * | NetDev     |         |                        | NetDev       |
+ * +------------+         |                        +--------------+
+ * | NTB        |         |                        | NTB          |
+ * | Transfer   |         |                        | Transfer     |
+ * +------------+         |                        +--------------+
+ * |            |         |                        |              |
+ * |  PCI NTB   |         |                        |              |
+ * |    EPF     |         |                        |              |
+ * |   Driver   |         |                        | PCI Virtual  |
+ * |            |         +---------------+        | NTB Driver   |
+ * |            |         | PCI EP NTB    |<------>|              |
+ * |            |         |  FN Driver    |        |              |
+ * +------------+         +---------------+        +--------------+
+ * |            |         |               |        |              |
+ * |  PCI Bus   | <-----> |  PCI EP Bus   |        |  Virtual PCI |
+ * |            |  PCI    |               |        |     Bus      |
+ * +------------+         +---------------+--------+--------------+
+ * PCIe Root Port                        PCI EP
+ */
+
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include <linux/pci-epc.h>
+#include <linux/pci-epf.h>
+#include <linux/ntb.h>
+
+static struct workqueue_struct *kpcintb_workqueue;
+
+#define COMMAND_CONFIGURE_DOORBELL	1
+#define COMMAND_TEARDOWN_DOORBELL	2
+#define COMMAND_CONFIGURE_MW		3
+#define COMMAND_TEARDOWN_MW		4
+#define COMMAND_LINK_UP			5
+#define COMMAND_LINK_DOWN		6
+
+#define COMMAND_STATUS_OK		1
+#define COMMAND_STATUS_ERROR		2
+
+#define LINK_STATUS_UP			BIT(0)
+
+#define SPAD_COUNT			64
+#define DB_COUNT			4
+#define NTB_MW_OFFSET			2
+#define DB_COUNT_MASK			GENMASK(15, 0)
+#define MSIX_ENABLE			BIT(16)
+#define MAX_DB_COUNT			32
+#define MAX_MW				4
+
+enum epf_ntb_bar {
+	BAR_CONFIG,
+	BAR_DB,
+	BAR_MW0,
+	BAR_MW1,
+	BAR_MW2,
+};
+
+/*
+ * +--------------------------------------------------+ Base
+ * |                                                  |
+ * |                                                  |
+ * |                                                  |
+ * |          Common Control Register                 |
+ * |                                                  |
+ * |                                                  |
+ * |                                                  |
+ * +-----------------------+--------------------------+ Base+span_offset
+ * |                       |                          |
+ * |    Peer Span Space    |    Span Space            |
+ * |                       |                          |
+ * |                       |                          |
+ * +-----------------------+--------------------------+ Base+span_offset
+ * |                       |                          |     +span_count * 4
+ * |                       |                          |
+ * |     Span Space        |   Peer Span Space        |
+ * |                       |                          |
+ * +-----------------------+--------------------------+
+ *       Virtual PCI             PCIe Endpoint
+ *       NTB Driver               NTB Driver
+ */
+struct epf_ntb_ctrl {
+	u32     command;
+	u32     argument;
+	u16     command_status;
+	u16     link_status;
+	u32     topology;
+	u64     addr;
+	u64     size;
+	u32     num_mws;
+	u32	reserved;
+	u32     spad_offset;
+	u32     spad_count;
+	u32	db_entry_size;
+	u32     db_data[MAX_DB_COUNT];
+	u32     db_offset[MAX_DB_COUNT];
+} __packed;
+
+struct epf_ntb {
+	struct ntb_dev ntb;
+	struct pci_epf *epf;
+	struct config_group group;
+
+	u32 num_mws;
+	u32 db_count;
+	u32 spad_count;
+	u64 mws_size[MAX_MW];
+	u64 db;
+	u32 vbus_number;
+	u16 vntb_pid;
+	u16 vntb_vid;
+
+	bool linkup;
+	u32 spad_size;
+
+	enum pci_barno epf_ntb_bar[6];
+
+	struct epf_ntb_ctrl *reg;
+
+	phys_addr_t epf_db_phy;
+	void __iomem *epf_db;
+
+	phys_addr_t vpci_mw_phy[MAX_MW];
+	void __iomem *vpci_mw_addr[MAX_MW];
+
+	struct delayed_work cmd_handler;
+};
+
+#define to_epf_ntb(epf_group) container_of((epf_group), struct epf_ntb, group)
+#define ntb_ndev(__ntb) container_of(__ntb, struct epf_ntb, ntb)
+
+static struct pci_epf_header epf_ntb_header = {
+	.vendorid	= PCI_ANY_ID,
+	.deviceid	= PCI_ANY_ID,
+	.baseclass_code	= PCI_BASE_CLASS_MEMORY,
+	.interrupt_pin	= PCI_INTERRUPT_INTA,
+};
+
+/**
+ * epf_ntb_link_up() - Raise link_up interrupt to Virtual Host
+ * @ntb: NTB device that facilitates communication between HOST and VHOST
+ * @link_up: true or false indicating Link is UP or Down
+ *
+ * Once NTB function in HOST invoke ntb_link_enable(),
+ * this NTB function driver will trigger a link event to vhost.
+ */
+static int epf_ntb_link_up(struct epf_ntb *ntb, bool link_up)
+{
+	if (link_up)
+		ntb->reg->link_status |= LINK_STATUS_UP;
+	else
+		ntb->reg->link_status &= ~LINK_STATUS_UP;
+
+	ntb_link_event(&ntb->ntb);
+	return 0;
+}
+
+/**
+ * epf_ntb_configure_mw() - Configure the Outbound Address Space for vhost
+ *   to access the memory window of host
+ * @ntb: NTB device that facilitates communication between host and vhost
+ * @mw: Index of the memory window (either 0, 1, 2 or 3)
+ *
+ *                          EP Outbound Window
+ * +--------+              +-----------+
+ * |        |              |           |
+ * |        |              |           |
+ * |        |              |           |
+ * |        |              |           |
+ * |        |              +-----------+
+ * | Virtual|              | Memory Win|
+ * | NTB    | -----------> |           |
+ * | Driver |              |           |
+ * |        |              +-----------+
+ * |        |              |           |
+ * |        |              |           |
+ * +--------+              +-----------+
+ *  VHost                   PCI EP
+ */
+static int epf_ntb_configure_mw(struct epf_ntb *ntb, u32 mw)
+{
+	phys_addr_t phys_addr;
+	u8 func_no, vfunc_no;
+	u64 addr, size;
+	int ret = 0;
+
+	phys_addr = ntb->vpci_mw_phy[mw];
+	addr = ntb->reg->addr;
+	size = ntb->reg->size;
+
+	func_no = ntb->epf->func_no;
+	vfunc_no = ntb->epf->vfunc_no;
+
+	ret = pci_epc_map_addr(ntb->epf->epc, func_no, vfunc_no, phys_addr, addr, size);
+	if (ret)
+		dev_err(&ntb->epf->epc->dev,
+			"Failed to map memory window %d address\n", mw);
+	return ret;
+}
+
+/**
+ * epf_ntb_teardown_mw() - Teardown the configured OB ATU
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ * @mw: Index of the memory window (either 0, 1, 2 or 3)
+ *
+ * Teardown the configured OB ATU configured in epf_ntb_configure_mw() using
+ * pci_epc_unmap_addr()
+ */
+static void epf_ntb_teardown_mw(struct epf_ntb *ntb, u32 mw)
+{
+	pci_epc_unmap_addr(ntb->epf->epc,
+			   ntb->epf->func_no,
+			   ntb->epf->vfunc_no,
+			   ntb->vpci_mw_phy[mw]);
+}
+
+/**
+ * epf_ntb_cmd_handler() - Handle commands provided by the NTB Host
+ * @work: work_struct for the epf_ntb_epc
+ *
+ * Workqueue function that gets invoked for the two epf_ntb_epc
+ * periodically (once every 5ms) to see if it has received any commands
+ * from NTB host. The host can send commands to configure doorbell or
+ * configure memory window or to update link status.
+ */
+static void epf_ntb_cmd_handler(struct work_struct *work)
+{
+	struct epf_ntb_ctrl *ctrl;
+	u32 command, argument;
+	struct epf_ntb *ntb;
+	struct device *dev;
+	int ret;
+	int i;
+
+	ntb = container_of(work, struct epf_ntb, cmd_handler.work);
+
+	for (i = 1; i < ntb->db_count; i++) {
+		if (readl(ntb->epf_db + i * 4)) {
+			if (readl(ntb->epf_db + i * 4))
+				ntb->db |= 1 << (i - 1);
+
+			ntb_db_event(&ntb->ntb, i);
+			writel(0, ntb->epf_db + i * 4);
+		}
+	}
+
+	ctrl = ntb->reg;
+	command = ctrl->command;
+	if (!command)
+		goto reset_handler;
+	argument = ctrl->argument;
+
+	ctrl->command = 0;
+	ctrl->argument = 0;
+
+	ctrl = ntb->reg;
+	dev = &ntb->epf->dev;
+
+	switch (command) {
+	case COMMAND_CONFIGURE_DOORBELL:
+		ctrl->command_status = COMMAND_STATUS_OK;
+		break;
+	case COMMAND_TEARDOWN_DOORBELL:
+		ctrl->command_status = COMMAND_STATUS_OK;
+		break;
+	case COMMAND_CONFIGURE_MW:
+		ret = epf_ntb_configure_mw(ntb, argument);
+		if (ret < 0)
+			ctrl->command_status = COMMAND_STATUS_ERROR;
+		else
+			ctrl->command_status = COMMAND_STATUS_OK;
+		break;
+	case COMMAND_TEARDOWN_MW:
+		epf_ntb_teardown_mw(ntb, argument);
+		ctrl->command_status = COMMAND_STATUS_OK;
+		break;
+	case COMMAND_LINK_UP:
+		ntb->linkup = true;
+		ret = epf_ntb_link_up(ntb, true);
+		if (ret < 0)
+			ctrl->command_status = COMMAND_STATUS_ERROR;
+		else
+			ctrl->command_status = COMMAND_STATUS_OK;
+		goto reset_handler;
+	case COMMAND_LINK_DOWN:
+		ntb->linkup = false;
+		ret = epf_ntb_link_up(ntb, false);
+		if (ret < 0)
+			ctrl->command_status = COMMAND_STATUS_ERROR;
+		else
+			ctrl->command_status = COMMAND_STATUS_OK;
+		break;
+	default:
+		dev_err(dev, "UNKNOWN command: %d\n", command);
+		break;
+	}
+
+reset_handler:
+	queue_delayed_work(kpcintb_workqueue, &ntb->cmd_handler,
+			   msecs_to_jiffies(5));
+}
+
+/**
+ * epf_ntb_config_sspad_bar_clear() - Clear Config + Self scratchpad BAR
+ * @ntb_epc: EPC associated with one of the HOST which holds peer's outbound
+ *	     address.
+ *
+ * Clear BAR0 of EP CONTROLLER 1 which contains the HOST1's config and
+ * self scratchpad region (removes inbound ATU configuration). While BAR0 is
+ * the default self scratchpad BAR, an NTB could have other BARs for self
+ * scratchpad (because of reserved BARs). This function can get the exact BAR
+ * used for self scratchpad from epf_ntb_bar[BAR_CONFIG].
+ *
+ * Please note the self scratchpad region and config region is combined to
+ * a single region and mapped using the same BAR. Also note HOST2's peer
+ * scratchpad is HOST1's self scratchpad.
+ */
+static void epf_ntb_config_sspad_bar_clear(struct epf_ntb *ntb)
+{
+	struct pci_epf_bar *epf_bar;
+	enum pci_barno barno;
+
+	barno = ntb->epf_ntb_bar[BAR_CONFIG];
+	epf_bar = &ntb->epf->bar[barno];
+
+	pci_epc_clear_bar(ntb->epf->epc, ntb->epf->func_no, ntb->epf->vfunc_no, epf_bar);
+}
+
+/**
+ * epf_ntb_config_sspad_bar_set() - Set Config + Self scratchpad BAR
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ *
+ * Map BAR0 of EP CONTROLLER 1 which contains the HOST1's config and
+ * self scratchpad region.
+ *
+ * Please note the self scratchpad region and config region is combined to
+ * a single region and mapped using the same BAR.
+ */
+static int epf_ntb_config_sspad_bar_set(struct epf_ntb *ntb)
+{
+	struct pci_epf_bar *epf_bar;
+	enum pci_barno barno;
+	u8 func_no, vfunc_no;
+	struct device *dev;
+	int ret;
+
+	dev = &ntb->epf->dev;
+	func_no = ntb->epf->func_no;
+	vfunc_no = ntb->epf->vfunc_no;
+	barno = ntb->epf_ntb_bar[BAR_CONFIG];
+	epf_bar = &ntb->epf->bar[barno];
+
+	ret = pci_epc_set_bar(ntb->epf->epc, func_no, vfunc_no, epf_bar);
+	if (ret) {
+		dev_err(dev, "inft: Config/Status/SPAD BAR set failed\n");
+		return ret;
+	}
+	return 0;
+}
+
+/**
+ * epf_ntb_config_spad_bar_free() - Free the physical memory associated with
+ *   config + scratchpad region
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ */
+static void epf_ntb_config_spad_bar_free(struct epf_ntb *ntb)
+{
+	enum pci_barno barno;
+
+	barno = ntb->epf_ntb_bar[BAR_CONFIG];
+	pci_epf_free_space(ntb->epf, ntb->reg, barno, 0);
+}
+
+/**
+ * epf_ntb_config_spad_bar_alloc() - Allocate memory for config + scratchpad
+ *   region
+ * @ntb: NTB device that facilitates communication between HOST1 and HOST2
+ *
+ * Allocate the Local Memory mentioned in the above diagram. The size of
+ * CONFIG REGION is sizeof(struct epf_ntb_ctrl) and size of SCRATCHPAD REGION
+ * is obtained from "spad-count" configfs entry.
+ */
+static int epf_ntb_config_spad_bar_alloc(struct epf_ntb *ntb)
+{
+	size_t align;
+	enum pci_barno barno;
+	struct epf_ntb_ctrl *ctrl;
+	u32 spad_size, ctrl_size;
+	u64 size;
+	struct pci_epf *epf = ntb->epf;
+	struct device *dev = &epf->dev;
+	u32 spad_count;
+	void *base;
+	int i;
+	const struct pci_epc_features *epc_features = pci_epc_get_features(epf->epc,
+								epf->func_no,
+								epf->vfunc_no);
+	barno = ntb->epf_ntb_bar[BAR_CONFIG];
+	size = epc_features->bar_fixed_size[barno];
+	align = epc_features->align;
+
+	if ((!IS_ALIGNED(size, align)))
+		return -EINVAL;
+
+	spad_count = ntb->spad_count;
+
+	ctrl_size = sizeof(struct epf_ntb_ctrl);
+	spad_size = 2 * spad_count * 4;
+
+	if (!align) {
+		ctrl_size = roundup_pow_of_two(ctrl_size);
+		spad_size = roundup_pow_of_two(spad_size);
+	} else {
+		ctrl_size = ALIGN(ctrl_size, align);
+		spad_size = ALIGN(spad_size, align);
+	}
+
+	if (!size)
+		size = ctrl_size + spad_size;
+	else if (size < ctrl_size + spad_size)
+		return -EINVAL;
+
+	base = pci_epf_alloc_space(epf, size, barno, align, 0);
+	if (!base) {
+		dev_err(dev, "Config/Status/SPAD alloc region fail\n");
+		return -ENOMEM;
+	}
+
+	ntb->reg = base;
+
+	ctrl = ntb->reg;
+	ctrl->spad_offset = ctrl_size;
+
+	ctrl->spad_count = spad_count;
+	ctrl->num_mws = ntb->num_mws;
+	ntb->spad_size = spad_size;
+
+	ctrl->db_entry_size = 4;
+
+	for (i = 0; i < ntb->db_count; i++) {
+		ntb->reg->db_data[i] = 1 + i;
+		ntb->reg->db_offset[i] = 0;
+	}
+
+	return 0;
+}
+
+/**
+ * epf_ntb_configure_interrupt() - Configure MSI/MSI-X capaiblity
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ *
+ * Configure MSI/MSI-X capability for each interface with number of
+ * interrupts equal to "db_count" configfs entry.
+ */
+static int epf_ntb_configure_interrupt(struct epf_ntb *ntb)
+{
+	const struct pci_epc_features *epc_features;
+	struct device *dev;
+	u32 db_count;
+	int ret;
+
+	dev = &ntb->epf->dev;
+
+	epc_features = pci_epc_get_features(ntb->epf->epc, ntb->epf->func_no, ntb->epf->vfunc_no);
+
+	if (!(epc_features->msix_capable || epc_features->msi_capable)) {
+		dev_err(dev, "MSI or MSI-X is required for doorbell\n");
+		return -EINVAL;
+	}
+
+	db_count = ntb->db_count;
+	if (db_count > MAX_DB_COUNT) {
+		dev_err(dev, "DB count cannot be more than %d\n", MAX_DB_COUNT);
+		return -EINVAL;
+	}
+
+	ntb->db_count = db_count;
+
+	if (epc_features->msi_capable) {
+		ret = pci_epc_set_msi(ntb->epf->epc,
+				      ntb->epf->func_no,
+				      ntb->epf->vfunc_no,
+				      16);
+		if (ret) {
+			dev_err(dev, "MSI configuration failed\n");
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * epf_ntb_db_bar_init() - Configure Doorbell window BARs
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ */
+static int epf_ntb_db_bar_init(struct epf_ntb *ntb)
+{
+	const struct pci_epc_features *epc_features;
+	u32 align;
+	struct device *dev = &ntb->epf->dev;
+	int ret;
+	struct pci_epf_bar *epf_bar;
+	void __iomem *mw_addr;
+	enum pci_barno barno;
+	size_t size = 4 * ntb->db_count;
+
+	epc_features = pci_epc_get_features(ntb->epf->epc,
+					    ntb->epf->func_no,
+					    ntb->epf->vfunc_no);
+	align = epc_features->align;
+
+	if (size < 128)
+		size = 128;
+
+	if (align)
+		size = ALIGN(size, align);
+	else
+		size = roundup_pow_of_two(size);
+
+	barno = ntb->epf_ntb_bar[BAR_DB];
+
+	mw_addr = pci_epf_alloc_space(ntb->epf, size, barno, align, 0);
+	if (!mw_addr) {
+		dev_err(dev, "Failed to allocate OB address\n");
+		return -ENOMEM;
+	}
+
+	ntb->epf_db = mw_addr;
+
+	epf_bar = &ntb->epf->bar[barno];
+
+	ret = pci_epc_set_bar(ntb->epf->epc, ntb->epf->func_no, ntb->epf->vfunc_no, epf_bar);
+	if (ret) {
+		dev_err(dev, "Doorbell BAR set failed\n");
+			goto err_alloc_peer_mem;
+	}
+	return ret;
+
+err_alloc_peer_mem:
+	pci_epc_mem_free_addr(ntb->epf->epc, epf_bar->phys_addr, mw_addr, epf_bar->size);
+	return -1;
+}
+
+/**
+ * epf_ntb_db_bar_clear() - Clear doorbell BAR and free memory
+ *   allocated in peer's outbound address space
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ */
+static void epf_ntb_db_bar_clear(struct epf_ntb *ntb)
+{
+	enum pci_barno barno;
+
+	barno = ntb->epf_ntb_bar[BAR_DB];
+	pci_epf_free_space(ntb->epf, ntb->epf_db, barno, 0);
+	pci_epc_clear_bar(ntb->epf->epc,
+			  ntb->epf->func_no,
+			  ntb->epf->vfunc_no,
+			  &ntb->epf->bar[barno]);
+}
+
+/**
+ * epf_ntb_mw_bar_init() - Configure Memory window BARs
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ *
+ */
+static int epf_ntb_mw_bar_init(struct epf_ntb *ntb)
+{
+	int ret = 0;
+	int i;
+	u64 size;
+	enum pci_barno barno;
+	struct device *dev = &ntb->epf->dev;
+
+	for (i = 0; i < ntb->num_mws; i++) {
+		size = ntb->mws_size[i];
+		barno = ntb->epf_ntb_bar[BAR_MW0 + i];
+
+		ntb->epf->bar[barno].barno = barno;
+		ntb->epf->bar[barno].size = size;
+		ntb->epf->bar[barno].addr = 0;
+		ntb->epf->bar[barno].phys_addr = 0;
+		ntb->epf->bar[barno].flags |= upper_32_bits(size) ?
+				PCI_BASE_ADDRESS_MEM_TYPE_64 :
+				PCI_BASE_ADDRESS_MEM_TYPE_32;
+
+		ret = pci_epc_set_bar(ntb->epf->epc,
+				      ntb->epf->func_no,
+				      ntb->epf->vfunc_no,
+				      &ntb->epf->bar[barno]);
+		if (ret) {
+			dev_err(dev, "MW set failed\n");
+			goto err_alloc_mem;
+		}
+
+		/* Allocate EPC outbound memory windows to vpci vntb device */
+		ntb->vpci_mw_addr[i] = pci_epc_mem_alloc_addr(ntb->epf->epc,
+							      &ntb->vpci_mw_phy[i],
+							      size);
+		if (!ntb->vpci_mw_addr[i]) {
+			dev_err(dev, "Failed to allocate source address\n");
+			goto err_alloc_mem;
+		}
+	}
+
+	return ret;
+err_alloc_mem:
+	return ret;
+}
+
+/**
+ * epf_ntb_mw_bar_clear() - Clear Memory window BARs
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ */
+static void epf_ntb_mw_bar_clear(struct epf_ntb *ntb)
+{
+	enum pci_barno barno;
+	int i;
+
+	for (i = 0; i < ntb->num_mws; i++) {
+		barno = ntb->epf_ntb_bar[BAR_MW0 + i];
+		pci_epc_clear_bar(ntb->epf->epc,
+				  ntb->epf->func_no,
+				  ntb->epf->vfunc_no,
+				  &ntb->epf->bar[barno]);
+
+		pci_epc_mem_free_addr(ntb->epf->epc,
+				      ntb->vpci_mw_phy[i],
+				      ntb->vpci_mw_addr[i],
+				      ntb->mws_size[i]);
+	}
+}
+
+/**
+ * epf_ntb_epc_destroy() - Cleanup NTB EPC interface
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ *
+ * Wrapper for epf_ntb_epc_destroy_interface() to cleanup all the NTB interfaces
+ */
+static void epf_ntb_epc_destroy(struct epf_ntb *ntb)
+{
+	pci_epc_remove_epf(ntb->epf->epc, ntb->epf, 0);
+	pci_epc_put(ntb->epf->epc);
+}
+
+/**
+ * epf_ntb_init_epc_bar() - Identify BARs to be used for each of the NTB
+ * constructs (scratchpad region, doorbell, memorywindow)
+ * @ntb: NTB device that facilitates communication between HOST and vHOST
+ */
+static int epf_ntb_init_epc_bar(struct epf_ntb *ntb)
+{
+	const struct pci_epc_features *epc_features;
+	enum pci_barno barno;
+	enum epf_ntb_bar bar;
+	struct device *dev;
+	u32 num_mws;
+	int i;
+
+	barno = BAR_0;
+	num_mws = ntb->num_mws;
+	dev = &ntb->epf->dev;
+	epc_features = pci_epc_get_features(ntb->epf->epc, ntb->epf->func_no, ntb->epf->vfunc_no);
+
+	/* These are required BARs which are mandatory for NTB functionality */
+	for (bar = BAR_CONFIG; bar <= BAR_MW0; bar++, barno++) {
+		barno = pci_epc_get_next_free_bar(epc_features, barno);
+		if (barno < 0) {
+			dev_err(dev, "Fail to get NTB function BAR\n");
+			return barno;
+		}
+		ntb->epf_ntb_bar[bar] = barno;
+	}
+
+	/* These are optional BARs which don't impact NTB functionality */
+	for (bar = BAR_MW1, i = 1; i < num_mws; bar++, barno++, i++) {
+		barno = pci_epc_get_next_free_bar(epc_features, barno);
+		if (barno < 0) {
+			ntb->num_mws = i;
+			dev_dbg(dev, "BAR not available for > MW%d\n", i + 1);
+		}
+		ntb->epf_ntb_bar[bar] = barno;
+	}
+
+	return 0;
+}
+
+/**
+ * epf_ntb_epc_init() - Initialize NTB interface
+ * @ntb: NTB device that facilitates communication between HOST and vHOST2
+ *
+ * Wrapper to initialize a particular EPC interface and start the workqueue
+ * to check for commands from host. This function will write to the
+ * EP controller HW for configuring it.
+ */
+static int epf_ntb_epc_init(struct epf_ntb *ntb)
+{
+	u8 func_no, vfunc_no;
+	struct pci_epc *epc;
+	struct pci_epf *epf;
+	struct device *dev;
+	int ret;
+
+	epf = ntb->epf;
+	dev = &epf->dev;
+	epc = epf->epc;
+	func_no = ntb->epf->func_no;
+	vfunc_no = ntb->epf->vfunc_no;
+
+	ret = epf_ntb_config_sspad_bar_set(ntb);
+	if (ret) {
+		dev_err(dev, "Config/self SPAD BAR init failed");
+		return ret;
+	}
+
+	ret = epf_ntb_configure_interrupt(ntb);
+	if (ret) {
+		dev_err(dev, "Interrupt configuration failed\n");
+		goto err_config_interrupt;
+	}
+
+	ret = epf_ntb_db_bar_init(ntb);
+	if (ret) {
+		dev_err(dev, "DB BAR init failed\n");
+		goto err_db_bar_init;
+	}
+
+	ret = epf_ntb_mw_bar_init(ntb);
+	if (ret) {
+		dev_err(dev, "MW BAR init failed\n");
+		goto err_mw_bar_init;
+	}
+
+	if (vfunc_no <= 1) {
+		ret = pci_epc_write_header(epc, func_no, vfunc_no, epf->header);
+		if (ret) {
+			dev_err(dev, "Configuration header write failed\n");
+			goto err_write_header;
+		}
+	}
+
+	INIT_DELAYED_WORK(&ntb->cmd_handler, epf_ntb_cmd_handler);
+	queue_work(kpcintb_workqueue, &ntb->cmd_handler.work);
+
+	return 0;
+
+err_write_header:
+	epf_ntb_mw_bar_clear(ntb);
+err_mw_bar_init:
+	epf_ntb_db_bar_clear(ntb);
+err_db_bar_init:
+err_config_interrupt:
+	epf_ntb_config_sspad_bar_clear(ntb);
+
+	return ret;
+}
+
+
+/**
+ * epf_ntb_epc_cleanup() - Cleanup all NTB interfaces
+ * @ntb: NTB device that facilitates communication between HOST1 and HOST2
+ *
+ * Wrapper to cleanup all NTB interfaces.
+ */
+static void epf_ntb_epc_cleanup(struct epf_ntb *ntb)
+{
+	epf_ntb_db_bar_clear(ntb);
+	epf_ntb_mw_bar_clear(ntb);
+}
+
+#define EPF_NTB_R(_name)						\
+static ssize_t epf_ntb_##_name##_show(struct config_item *item,		\
+				      char *page)			\
+{									\
+	struct config_group *group = to_config_group(item);		\
+	struct epf_ntb *ntb = to_epf_ntb(group);			\
+									\
+	return sprintf(page, "%d\n", ntb->_name);			\
+}
+
+#define EPF_NTB_W(_name)						\
+static ssize_t epf_ntb_##_name##_store(struct config_item *item,	\
+				       const char *page, size_t len)	\
+{									\
+	struct config_group *group = to_config_group(item);		\
+	struct epf_ntb *ntb = to_epf_ntb(group);			\
+	u32 val;							\
+	int ret;							\
+									\
+	ret = kstrtou32(page, 0, &val);					\
+	if (ret)							\
+		return ret;						\
+									\
+	ntb->_name = val;						\
+									\
+	return len;							\
+}
+
+#define EPF_NTB_MW_R(_name)						\
+static ssize_t epf_ntb_##_name##_show(struct config_item *item,		\
+				      char *page)			\
+{									\
+	struct config_group *group = to_config_group(item);		\
+	struct epf_ntb *ntb = to_epf_ntb(group);			\
+	int win_no;							\
+									\
+	sscanf(#_name, "mw%d", &win_no);				\
+									\
+	return sprintf(page, "%lld\n", ntb->mws_size[win_no - 1]);	\
+}
+
+#define EPF_NTB_MW_W(_name)						\
+static ssize_t epf_ntb_##_name##_store(struct config_item *item,	\
+				       const char *page, size_t len)	\
+{									\
+	struct config_group *group = to_config_group(item);		\
+	struct epf_ntb *ntb = to_epf_ntb(group);			\
+	struct device *dev = &ntb->epf->dev;				\
+	int win_no;							\
+	u64 val;							\
+	int ret;							\
+									\
+	ret = kstrtou64(page, 0, &val);					\
+	if (ret)							\
+		return ret;						\
+									\
+	if (sscanf(#_name, "mw%d", &win_no) != 1)			\
+		return -EINVAL;						\
+									\
+	if (ntb->num_mws < win_no) {					\
+		dev_err(dev, "Invalid num_nws: %d value\n", ntb->num_mws); \
+		return -EINVAL;						\
+	}								\
+									\
+	ntb->mws_size[win_no - 1] = val;				\
+									\
+	return len;							\
+}
+
+static ssize_t epf_ntb_num_mws_store(struct config_item *item,
+				     const char *page, size_t len)
+{
+	struct config_group *group = to_config_group(item);
+	struct epf_ntb *ntb = to_epf_ntb(group);
+	u32 val;
+	int ret;
+
+	ret = kstrtou32(page, 0, &val);
+	if (ret)
+		return ret;
+
+	if (val > MAX_MW)
+		return -EINVAL;
+
+	ntb->num_mws = val;
+
+	return len;
+}
+
+EPF_NTB_R(spad_count)
+EPF_NTB_W(spad_count)
+EPF_NTB_R(db_count)
+EPF_NTB_W(db_count)
+EPF_NTB_R(num_mws)
+EPF_NTB_R(vbus_number)
+EPF_NTB_W(vbus_number)
+EPF_NTB_R(vntb_pid)
+EPF_NTB_W(vntb_pid)
+EPF_NTB_R(vntb_vid)
+EPF_NTB_W(vntb_vid)
+EPF_NTB_MW_R(mw1)
+EPF_NTB_MW_W(mw1)
+EPF_NTB_MW_R(mw2)
+EPF_NTB_MW_W(mw2)
+EPF_NTB_MW_R(mw3)
+EPF_NTB_MW_W(mw3)
+EPF_NTB_MW_R(mw4)
+EPF_NTB_MW_W(mw4)
+
+CONFIGFS_ATTR(epf_ntb_, spad_count);
+CONFIGFS_ATTR(epf_ntb_, db_count);
+CONFIGFS_ATTR(epf_ntb_, num_mws);
+CONFIGFS_ATTR(epf_ntb_, mw1);
+CONFIGFS_ATTR(epf_ntb_, mw2);
+CONFIGFS_ATTR(epf_ntb_, mw3);
+CONFIGFS_ATTR(epf_ntb_, mw4);
+CONFIGFS_ATTR(epf_ntb_, vbus_number);
+CONFIGFS_ATTR(epf_ntb_, vntb_pid);
+CONFIGFS_ATTR(epf_ntb_, vntb_vid);
+
+static struct configfs_attribute *epf_ntb_attrs[] = {
+	&epf_ntb_attr_spad_count,
+	&epf_ntb_attr_db_count,
+	&epf_ntb_attr_num_mws,
+	&epf_ntb_attr_mw1,
+	&epf_ntb_attr_mw2,
+	&epf_ntb_attr_mw3,
+	&epf_ntb_attr_mw4,
+	&epf_ntb_attr_vbus_number,
+	&epf_ntb_attr_vntb_pid,
+	&epf_ntb_attr_vntb_vid,
+	NULL,
+};
+
+static const struct config_item_type ntb_group_type = {
+	.ct_attrs	= epf_ntb_attrs,
+	.ct_owner	= THIS_MODULE,
+};
+
+/**
+ * epf_ntb_add_cfs() - Add configfs directory specific to NTB
+ * @epf: NTB endpoint function device
+ * @group: A pointer to the config_group structure referencing a group of
+ *	   config_items of a specific type that belong to a specific sub-system.
+ *
+ * Add configfs directory specific to NTB. This directory will hold
+ * NTB specific properties like db_count, spad_count, num_mws etc.,
+ */
+static struct config_group *epf_ntb_add_cfs(struct pci_epf *epf,
+					    struct config_group *group)
+{
+	struct epf_ntb *ntb = epf_get_drvdata(epf);
+	struct config_group *ntb_group = &ntb->group;
+	struct device *dev = &epf->dev;
+
+	config_group_init_type_name(ntb_group, dev_name(dev), &ntb_group_type);
+
+	return ntb_group;
+}
+
+/*==== virtual PCI bus driver, which only load virtual NTB PCI driver ====*/
+
+static u32 pci_space[] = {
+	0xffffffff,	/*DeviceID, Vendor ID*/
+	0,		/*Status, Command*/
+	0xffffffff,	/*Class code, subclass, prog if, revision id*/
+	0x40,		/*bist, header type, latency Timer, cache line size*/
+	0,		/*BAR 0*/
+	0,		/*BAR 1*/
+	0,		/*BAR 2*/
+	0,		/*BAR 3*/
+	0,		/*BAR 4*/
+	0,		/*BAR 5*/
+	0,		/*Cardbus cis point*/
+	0,		/*Subsystem ID Subystem vendor id*/
+	0,		/*ROM Base Address*/
+	0,		/*Reserved, Cap. Point*/
+	0,		/*Reserved,*/
+	0,		/*Max Lat, Min Gnt, interrupt pin, interrupt line*/
+};
+
+int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val)
+{
+	if (devfn == 0) {
+		memcpy(val, ((u8 *)pci_space) + where, size);
+		return PCIBIOS_SUCCESSFUL;
+	}
+	return PCIBIOS_DEVICE_NOT_FOUND;
+}
+
+int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val)
+{
+	return 0;
+}
+
+struct pci_ops vpci_ops = {
+	.read = pci_read,
+	.write = pci_write,
+};
+
+static int vpci_scan_bus(void *sysdata)
+{
+	struct pci_bus *vpci_bus;
+	struct epf_ntb *ndev = sysdata;
+
+	vpci_bus = pci_scan_bus(ndev->vbus_number, &vpci_ops, sysdata);
+	if (vpci_bus)
+		pr_err("create pci bus\n");
+
+	pci_bus_add_devices(vpci_bus);
+
+	return 0;
+}
+
+/*==================== Virtual PCIe NTB driver ==========================*/
+
+static int vntb_epf_mw_count(struct ntb_dev *ntb, int pidx)
+{
+	struct epf_ntb *ndev = ntb_ndev(ntb);
+
+	return ndev->num_mws;
+}
+
+static int vntb_epf_spad_count(struct ntb_dev *ntb)
+{
+	return ntb_ndev(ntb)->spad_count;
+}
+
+static int vntb_epf_peer_mw_count(struct ntb_dev *ntb)
+{
+	return ntb_ndev(ntb)->num_mws;
+}
+
+static u64 vntb_epf_db_valid_mask(struct ntb_dev *ntb)
+{
+	return BIT_ULL(ntb_ndev(ntb)->db_count) - 1;
+}
+
+static int vntb_epf_db_set_mask(struct ntb_dev *ntb, u64 db_bits)
+{
+	return 0;
+}
+
+static int vntb_epf_mw_set_trans(struct ntb_dev *ndev, int pidx, int idx,
+		dma_addr_t addr, resource_size_t size)
+{
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+	struct pci_epf_bar *epf_bar;
+	enum pci_barno barno;
+	int ret;
+	struct device *dev;
+
+	dev = &ntb->ntb.dev;
+	barno = ntb->epf_ntb_bar[BAR_MW0 + idx];
+	epf_bar = &ntb->epf->bar[barno];
+	epf_bar->phys_addr = addr;
+	epf_bar->barno = barno;
+	epf_bar->size = size;
+
+	ret = pci_epc_set_bar(ntb->epf->epc, 0, 0, epf_bar);
+	if (ret) {
+		dev_err(dev, "failure set mw trans\n");
+		return ret;
+	}
+	return 0;
+}
+
+static int vntb_epf_mw_clear_trans(struct ntb_dev *ntb, int pidx, int idx)
+{
+	return 0;
+}
+
+static int vntb_epf_peer_mw_get_addr(struct ntb_dev *ndev, int idx,
+				phys_addr_t *base, resource_size_t *size)
+{
+
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+
+	if (base)
+		*base = ntb->vpci_mw_phy[idx];
+
+	if (size)
+		*size = ntb->mws_size[idx];
+
+	return 0;
+}
+
+static int vntb_epf_link_enable(struct ntb_dev *ntb,
+			enum ntb_speed max_speed,
+			enum ntb_width max_width)
+{
+	return 0;
+}
+
+static u32 vntb_epf_spad_read(struct ntb_dev *ndev, int idx)
+{
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+	int off = ntb->reg->spad_offset, ct = ntb->reg->spad_count * 4;
+	u32 val;
+	void __iomem *base = ntb->reg;
+
+	val = readl(base + off + ct + idx * 4);
+	return val;
+}
+
+static int vntb_epf_spad_write(struct ntb_dev *ndev, int idx, u32 val)
+{
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+	struct epf_ntb_ctrl *ctrl = ntb->reg;
+	int off = ctrl->spad_offset, ct = ctrl->spad_count * 4;
+	void __iomem *base = ntb->reg;
+
+	writel(val, base + off + ct + idx * 4);
+	return 0;
+}
+
+static u32 vntb_epf_peer_spad_read(struct ntb_dev *ndev, int pidx, int idx)
+{
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+	struct epf_ntb_ctrl *ctrl = ntb->reg;
+	int off = ctrl->spad_offset;
+	void __iomem *base = ntb->reg;
+	u32 val;
+
+	val = readl(base + off + idx * 4);
+	return val;
+}
+
+static int vntb_epf_peer_spad_write(struct ntb_dev *ndev, int pidx, int idx, u32 val)
+{
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+	struct epf_ntb_ctrl *ctrl = ntb->reg;
+	int off = ctrl->spad_offset;
+	void __iomem *base = ntb->reg;
+
+	writel(val, base + off + idx * 4);
+	return 0;
+}
+
+static int vntb_epf_peer_db_set(struct ntb_dev *ndev, u64 db_bits)
+{
+	u32 interrupt_num = ffs(db_bits) + 1;
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+	u8 func_no, vfunc_no;
+	int ret;
+
+	func_no = ntb->epf->func_no;
+	vfunc_no = ntb->epf->vfunc_no;
+
+	ret = pci_epc_raise_irq(ntb->epf->epc,
+				func_no,
+				vfunc_no,
+				PCI_EPC_IRQ_MSI,
+				interrupt_num + 1);
+	if (ret)
+		dev_err(&ntb->ntb.dev, "Failed to raise IRQ\n");
+
+	return ret;
+}
+
+static u64 vntb_epf_db_read(struct ntb_dev *ndev)
+{
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+
+	return ntb->db;
+}
+
+static int vntb_epf_mw_get_align(struct ntb_dev *ndev, int pidx, int idx,
+			resource_size_t *addr_align,
+			resource_size_t *size_align,
+			resource_size_t *size_max)
+{
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+
+	if (addr_align)
+		*addr_align = SZ_4K;
+
+	if (size_align)
+		*size_align = 1;
+
+	if (size_max)
+		*size_max = ntb->mws_size[idx];
+
+	return 0;
+}
+
+static u64 vntb_epf_link_is_up(struct ntb_dev *ndev,
+			enum ntb_speed *speed,
+			enum ntb_width *width)
+{
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+
+	return ntb->reg->link_status;
+}
+
+static int vntb_epf_db_clear_mask(struct ntb_dev *ndev, u64 db_bits)
+{
+	return 0;
+}
+
+static int vntb_epf_db_clear(struct ntb_dev *ndev, u64 db_bits)
+{
+	struct epf_ntb *ntb = ntb_ndev(ndev);
+
+	ntb->db &= ~db_bits;
+	return 0;
+}
+
+static int vntb_epf_link_disable(struct ntb_dev *ntb)
+{
+	return 0;
+}
+
+static const struct ntb_dev_ops vntb_epf_ops = {
+	.mw_count		= vntb_epf_mw_count,
+	.spad_count		= vntb_epf_spad_count,
+	.peer_mw_count		= vntb_epf_peer_mw_count,
+	.db_valid_mask		= vntb_epf_db_valid_mask,
+	.db_set_mask		= vntb_epf_db_set_mask,
+	.mw_set_trans		= vntb_epf_mw_set_trans,
+	.mw_clear_trans		= vntb_epf_mw_clear_trans,
+	.peer_mw_get_addr	= vntb_epf_peer_mw_get_addr,
+	.link_enable		= vntb_epf_link_enable,
+	.spad_read		= vntb_epf_spad_read,
+	.spad_write		= vntb_epf_spad_write,
+	.peer_spad_read		= vntb_epf_peer_spad_read,
+	.peer_spad_write	= vntb_epf_peer_spad_write,
+	.peer_db_set		= vntb_epf_peer_db_set,
+	.db_read		= vntb_epf_db_read,
+	.mw_get_align		= vntb_epf_mw_get_align,
+	.link_is_up		= vntb_epf_link_is_up,
+	.db_clear_mask		= vntb_epf_db_clear_mask,
+	.db_clear		= vntb_epf_db_clear,
+	.link_disable		= vntb_epf_link_disable,
+};
+
+static int pci_vntb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	int ret;
+	struct epf_ntb *ndev = (struct epf_ntb *)pdev->sysdata;
+	struct device *dev = &pdev->dev;
+
+	ndev->ntb.pdev = pdev;
+	ndev->ntb.topo = NTB_TOPO_NONE;
+	ndev->ntb.ops =  &vntb_epf_ops;
+
+	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
+	if (ret) {
+		dev_err(dev, "Cannot set DMA mask\n");
+		return -EINVAL;
+	}
+
+	ret = ntb_register_device(&ndev->ntb);
+	if (ret) {
+		dev_err(dev, "Failed to register NTB device\n");
+		goto err_register_dev;
+	}
+
+	dev_dbg(dev, "PCI Virtual NTB driver loaded\n");
+	return 0;
+
+err_register_dev:
+	return -EINVAL;
+}
+
+static struct pci_device_id pci_vntb_table[] = {
+	{
+		PCI_DEVICE(0xffff, 0xffff),
+	},
+	{},
+};
+
+static struct pci_driver vntb_pci_driver = {
+	.name           = "pci-vntb",
+	.id_table       = pci_vntb_table,
+	.probe          = pci_vntb_probe,
+};
+
+/* ============ PCIe EPF Driver Bind ====================*/
+
+/**
+ * epf_ntb_bind() - Initialize endpoint controller to provide NTB functionality
+ * @epf: NTB endpoint function device
+ *
+ * Initialize both the endpoint controllers associated with NTB function device.
+ * Invoked when a primary interface or secondary interface is bound to EPC
+ * device. This function will succeed only when EPC is bound to both the
+ * interfaces.
+ */
+static int epf_ntb_bind(struct pci_epf *epf)
+{
+	struct epf_ntb *ntb = epf_get_drvdata(epf);
+	struct device *dev = &epf->dev;
+	int ret;
+
+	if (!epf->epc) {
+		dev_dbg(dev, "PRIMARY EPC interface not yet bound\n");
+		return 0;
+	}
+
+	ret = epf_ntb_init_epc_bar(ntb);
+	if (ret) {
+		dev_err(dev, "Failed to create NTB EPC\n");
+		goto err_bar_init;
+	}
+
+	ret = epf_ntb_config_spad_bar_alloc(ntb);
+	if (ret) {
+		dev_err(dev, "Failed to allocate BAR memory\n");
+		goto err_bar_alloc;
+	}
+
+	ret = epf_ntb_epc_init(ntb);
+	if (ret) {
+		dev_err(dev, "Failed to initialize EPC\n");
+		goto err_bar_alloc;
+	}
+
+	epf_set_drvdata(epf, ntb);
+
+	pci_space[0] = (ntb->vntb_pid << 16) | ntb->vntb_vid;
+	pci_vntb_table[0].vendor = ntb->vntb_vid;
+	pci_vntb_table[0].device = ntb->vntb_pid;
+
+	if (pci_register_driver(&vntb_pci_driver)) {
+		dev_err(dev, "failure register vntb pci driver\n");
+		goto err_bar_alloc;
+	}
+
+	vpci_scan_bus(ntb);
+
+	return 0;
+
+err_bar_alloc:
+	epf_ntb_config_spad_bar_free(ntb);
+
+err_bar_init:
+	epf_ntb_epc_destroy(ntb);
+
+	return ret;
+}
+
+/**
+ * epf_ntb_unbind() - Cleanup the initialization from epf_ntb_bind()
+ * @epf: NTB endpoint function device
+ *
+ * Cleanup the initialization from epf_ntb_bind()
+ */
+static void epf_ntb_unbind(struct pci_epf *epf)
+{
+	struct epf_ntb *ntb = epf_get_drvdata(epf);
+
+	epf_ntb_epc_cleanup(ntb);
+	epf_ntb_config_spad_bar_free(ntb);
+	epf_ntb_epc_destroy(ntb);
+
+	pci_unregister_driver(&vntb_pci_driver);
+}
+
+// EPF driver probe
+static struct pci_epf_ops epf_ntb_ops = {
+	.bind   = epf_ntb_bind,
+	.unbind = epf_ntb_unbind,
+	.add_cfs = epf_ntb_add_cfs,
+};
+
+/**
+ * epf_ntb_probe() - Probe NTB function driver
+ * @epf: NTB endpoint function device
+ *
+ * Probe NTB function driver when endpoint function bus detects a NTB
+ * endpoint function.
+ */
+static int epf_ntb_probe(struct pci_epf *epf)
+{
+	struct epf_ntb *ntb;
+	struct device *dev;
+
+	dev = &epf->dev;
+
+	ntb = devm_kzalloc(dev, sizeof(*ntb), GFP_KERNEL);
+	if (!ntb)
+		return -ENOMEM;
+
+	epf->header = &epf_ntb_header;
+	ntb->epf = epf;
+	ntb->vbus_number = 0xff;
+	epf_set_drvdata(epf, ntb);
+
+	dev_info(dev, "pci-ep epf driver loaded\n");
+	return 0;
+}
+
+static const struct pci_epf_device_id epf_ntb_ids[] = {
+	{
+		.name = "pci_epf_vntb",
+	},
+	{},
+};
+
+static struct pci_epf_driver epf_ntb_driver = {
+	.driver.name    = "pci_epf_vntb",
+	.probe          = epf_ntb_probe,
+	.id_table       = epf_ntb_ids,
+	.ops            = &epf_ntb_ops,
+	.owner          = THIS_MODULE,
+};
+
+static int __init epf_ntb_init(void)
+{
+	int ret;
+
+	kpcintb_workqueue = alloc_workqueue("kpcintb", WQ_MEM_RECLAIM |
+					    WQ_HIGHPRI, 0);
+	ret = pci_epf_register_driver(&epf_ntb_driver);
+	if (ret) {
+		destroy_workqueue(kpcintb_workqueue);
+		pr_err("Failed to register pci epf ntb driver --> %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+module_init(epf_ntb_init);
+
+static void __exit epf_ntb_exit(void)
+{
+	pci_epf_unregister_driver(&epf_ntb_driver);
+	destroy_workqueue(kpcintb_workqueue);
+}
+module_exit(epf_ntb_exit);
+
+MODULE_DESCRIPTION("PCI EPF NTB DRIVER");
+MODULE_AUTHOR("Frank Li <Frank.li@nxp.com>");
+MODULE_LICENSE("GPL v2");
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 205/317] NTB: EPF: fix possible memory leak in pci_vntb_probe()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (203 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 204/317] PCI: endpoint: Support NTB transfer between RC and EP Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 206/317] NTB: fix possible name leak in ntb_register_device() Sasha Levin
                   ` (114 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: ruanjinjie, Jon Mason, Sasha Levin

From: ruanjinjie <ruanjinjie@huawei.com>

[ Upstream commit 956578e3d397e00d6254dc7b5194d28587f98518 ]

As ntb_register_device() don't handle error of device_register(),
if ntb_register_device() returns error in pci_vntb_probe(), name of kobject
which is allocated in dev_set_name() called in device_add() is leaked.

As comment of device_add() says, it should call put_device() to drop the
reference count that was set in device_initialize()
when it fails, so the name can be freed in kobject_cleanup().

Signed-off-by: ruanjinjie <ruanjinjie@huawei.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Stable-dep-of: aebfdfe39b93 ("NTB: fix possible name leak in ntb_register_device()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pci/endpoint/functions/pci-epf-vntb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c
index 1466dd1904175..138742af51707 100644
--- a/drivers/pci/endpoint/functions/pci-epf-vntb.c
+++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c
@@ -1249,6 +1249,7 @@ static int pci_vntb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	return 0;
 
 err_register_dev:
+	put_device(&ndev->ntb.dev);
 	return -EINVAL;
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 206/317] NTB: fix possible name leak in ntb_register_device()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (204 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 205/317] NTB: EPF: fix possible memory leak in pci_vntb_probe() Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 207/317] media: sun8i-di: Fix coefficient writes Sasha Levin
                   ` (113 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yang Yingliang, Ilpo Järvinen, Manivannan Sadhasivam,
	Dave Jiang, Sasha Levin

From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit aebfdfe39b9327a3077d0df8db3beb3160c9bdd0 ]

If device_register() fails in ntb_register_device(), the device name
allocated by dev_set_name() should be freed. As per the comment in
device_register(), callers should use put_device() to give up the
reference in the error path. So fix this by calling put_device() in the
error path so that the name can be freed in kobject_cleanup().

As a result of this, put_device() in the error path of
ntb_register_device() is removed and the actual error is returned.

Fixes: a1bd3baeb2f1 ("NTB: Add NTB hardware abstraction layer")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20231201033057.1399131-1-yangyingliang@huaweicloud.com
[mani: reworded commit message]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/ntb/core.c                            | 8 +++++++-
 drivers/pci/endpoint/functions/pci-epf-vntb.c | 6 +-----
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/ntb/core.c b/drivers/ntb/core.c
index 27dd93deff6e5..d702bee780826 100644
--- a/drivers/ntb/core.c
+++ b/drivers/ntb/core.c
@@ -100,6 +100,8 @@ EXPORT_SYMBOL(ntb_unregister_client);
 
 int ntb_register_device(struct ntb_dev *ntb)
 {
+	int ret;
+
 	if (!ntb)
 		return -EINVAL;
 	if (!ntb->pdev)
@@ -120,7 +122,11 @@ int ntb_register_device(struct ntb_dev *ntb)
 	ntb->ctx_ops = NULL;
 	spin_lock_init(&ntb->ctx_lock);
 
-	return device_register(&ntb->dev);
+	ret = device_register(&ntb->dev);
+	if (ret)
+		put_device(&ntb->dev);
+
+	return ret;
 }
 EXPORT_SYMBOL(ntb_register_device);
 
diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c
index 138742af51707..d4cd4bd4a0881 100644
--- a/drivers/pci/endpoint/functions/pci-epf-vntb.c
+++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c
@@ -1242,15 +1242,11 @@ static int pci_vntb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	ret = ntb_register_device(&ndev->ntb);
 	if (ret) {
 		dev_err(dev, "Failed to register NTB device\n");
-		goto err_register_dev;
+		return ret;
 	}
 
 	dev_dbg(dev, "PCI Virtual NTB driver loaded\n");
 	return 0;
-
-err_register_dev:
-	put_device(&ndev->ntb.dev);
-	return -EINVAL;
 }
 
 static struct pci_device_id pci_vntb_table[] = {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 207/317] media: sun8i-di: Fix coefficient writes
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (205 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 206/317] NTB: fix possible name leak in ntb_register_device() Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 208/317] media: sun8i-di: Fix power on/off sequences Sasha Levin
                   ` (112 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jernej Skrabec, Hans Verkuil, Sasha Levin

From: Jernej Skrabec <jernej.skrabec@gmail.com>

[ Upstream commit 794b581f8c6eb7b60fe468ccb96dd3cd38ff779f ]

Currently coefficients are applied only once, since they don't change.
However, this is done before enable bit is set and thus it doesn't get
applied properly.

Fix that by applying coefficients after enable bit is set. While this
means that it will be done evey time, it doesn't bring much time
penalty.

Fixes: a4260ea49547 ("media: sun4i: Add H3 deinterlace driver")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../media/platform/sunxi/sun8i-di/sun8i-di.c  | 42 +++++++++----------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
index 671e4a928993d..073a61c094183 100644
--- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
+++ b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
@@ -66,6 +66,7 @@ static void deinterlace_device_run(void *priv)
 	struct vb2_v4l2_buffer *src, *dst;
 	unsigned int hstep, vstep;
 	dma_addr_t addr;
+	int i;
 
 	src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 	dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
@@ -160,6 +161,26 @@ static void deinterlace_device_run(void *priv)
 	deinterlace_write(dev, DEINTERLACE_CH1_HORZ_FACT, hstep);
 	deinterlace_write(dev, DEINTERLACE_CH1_VERT_FACT, vstep);
 
+	/* neutral filter coefficients */
+	deinterlace_set_bits(dev, DEINTERLACE_FRM_CTRL,
+			     DEINTERLACE_FRM_CTRL_COEF_ACCESS);
+	readl_poll_timeout(dev->base + DEINTERLACE_STATUS, val,
+			   val & DEINTERLACE_STATUS_COEF_STATUS, 2, 40);
+
+	for (i = 0; i < 32; i++) {
+		deinterlace_write(dev, DEINTERLACE_CH0_HORZ_COEF0 + i * 4,
+				  DEINTERLACE_IDENTITY_COEF);
+		deinterlace_write(dev, DEINTERLACE_CH0_VERT_COEF + i * 4,
+				  DEINTERLACE_IDENTITY_COEF);
+		deinterlace_write(dev, DEINTERLACE_CH1_HORZ_COEF0 + i * 4,
+				  DEINTERLACE_IDENTITY_COEF);
+		deinterlace_write(dev, DEINTERLACE_CH1_VERT_COEF + i * 4,
+				  DEINTERLACE_IDENTITY_COEF);
+	}
+
+	deinterlace_clr_set_bits(dev, DEINTERLACE_FRM_CTRL,
+				 DEINTERLACE_FRM_CTRL_COEF_ACCESS, 0);
+
 	deinterlace_clr_set_bits(dev, DEINTERLACE_FIELD_CTRL,
 				 DEINTERLACE_FIELD_CTRL_FIELD_CNT_MSK,
 				 DEINTERLACE_FIELD_CTRL_FIELD_CNT(ctx->field));
@@ -248,7 +269,6 @@ static irqreturn_t deinterlace_irq(int irq, void *data)
 static void deinterlace_init(struct deinterlace_dev *dev)
 {
 	u32 val;
-	int i;
 
 	deinterlace_write(dev, DEINTERLACE_BYPASS,
 			  DEINTERLACE_BYPASS_CSC);
@@ -285,26 +305,6 @@ static void deinterlace_init(struct deinterlace_dev *dev)
 	deinterlace_clr_set_bits(dev, DEINTERLACE_CHROMA_DIFF,
 				 DEINTERLACE_CHROMA_DIFF_TH_MSK,
 				 DEINTERLACE_CHROMA_DIFF_TH(5));
-
-	/* neutral filter coefficients */
-	deinterlace_set_bits(dev, DEINTERLACE_FRM_CTRL,
-			     DEINTERLACE_FRM_CTRL_COEF_ACCESS);
-	readl_poll_timeout(dev->base + DEINTERLACE_STATUS, val,
-			   val & DEINTERLACE_STATUS_COEF_STATUS, 2, 40);
-
-	for (i = 0; i < 32; i++) {
-		deinterlace_write(dev, DEINTERLACE_CH0_HORZ_COEF0 + i * 4,
-				  DEINTERLACE_IDENTITY_COEF);
-		deinterlace_write(dev, DEINTERLACE_CH0_VERT_COEF + i * 4,
-				  DEINTERLACE_IDENTITY_COEF);
-		deinterlace_write(dev, DEINTERLACE_CH1_HORZ_COEF0 + i * 4,
-				  DEINTERLACE_IDENTITY_COEF);
-		deinterlace_write(dev, DEINTERLACE_CH1_VERT_COEF + i * 4,
-				  DEINTERLACE_IDENTITY_COEF);
-	}
-
-	deinterlace_clr_set_bits(dev, DEINTERLACE_FRM_CTRL,
-				 DEINTERLACE_FRM_CTRL_COEF_ACCESS, 0);
 }
 
 static inline struct deinterlace_ctx *deinterlace_file2ctx(struct file *file)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 208/317] media: sun8i-di: Fix power on/off sequences
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (206 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 207/317] media: sun8i-di: Fix coefficient writes Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 209/317] media: sun8i-di: Fix chroma difference threshold Sasha Levin
                   ` (111 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jernej Skrabec, Hans Verkuil, Sasha Levin

From: Jernej Skrabec <jernej.skrabec@gmail.com>

[ Upstream commit cff104e33bad38f4b2c8d58816a7accfaa2879f9 ]

According to user manual, reset line should be deasserted before clocks
are enabled. Also fix power down sequence to be reverse of that.

Fixes: a4260ea49547 ("media: sun4i: Add H3 deinterlace driver")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../media/platform/sunxi/sun8i-di/sun8i-di.c  | 25 ++++++++++---------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
index 073a61c094183..8faf93c418ed5 100644
--- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
+++ b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
@@ -933,11 +933,18 @@ static int deinterlace_runtime_resume(struct device *device)
 		return ret;
 	}
 
+	ret = reset_control_deassert(dev->rstc);
+	if (ret) {
+		dev_err(dev->dev, "Failed to apply reset\n");
+
+		goto err_exclusive_rate;
+	}
+
 	ret = clk_prepare_enable(dev->bus_clk);
 	if (ret) {
 		dev_err(dev->dev, "Failed to enable bus clock\n");
 
-		goto err_exclusive_rate;
+		goto err_rst;
 	}
 
 	ret = clk_prepare_enable(dev->mod_clk);
@@ -954,23 +961,16 @@ static int deinterlace_runtime_resume(struct device *device)
 		goto err_mod_clk;
 	}
 
-	ret = reset_control_deassert(dev->rstc);
-	if (ret) {
-		dev_err(dev->dev, "Failed to apply reset\n");
-
-		goto err_ram_clk;
-	}
-
 	deinterlace_init(dev);
 
 	return 0;
 
-err_ram_clk:
-	clk_disable_unprepare(dev->ram_clk);
 err_mod_clk:
 	clk_disable_unprepare(dev->mod_clk);
 err_bus_clk:
 	clk_disable_unprepare(dev->bus_clk);
+err_rst:
+	reset_control_assert(dev->rstc);
 err_exclusive_rate:
 	clk_rate_exclusive_put(dev->mod_clk);
 
@@ -981,11 +981,12 @@ static int deinterlace_runtime_suspend(struct device *device)
 {
 	struct deinterlace_dev *dev = dev_get_drvdata(device);
 
-	reset_control_assert(dev->rstc);
-
 	clk_disable_unprepare(dev->ram_clk);
 	clk_disable_unprepare(dev->mod_clk);
 	clk_disable_unprepare(dev->bus_clk);
+
+	reset_control_assert(dev->rstc);
+
 	clk_rate_exclusive_put(dev->mod_clk);
 
 	return 0;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 209/317] media: sun8i-di: Fix chroma difference threshold
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (207 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 208/317] media: sun8i-di: Fix power on/off sequences Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 210/317] media: imx: csc/scaler: fix v4l2_ctrl_handler memory leak Sasha Levin
                   ` (110 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jernej Skrabec, Hans Verkuil, Sasha Levin

From: Jernej Skrabec <jernej.skrabec@gmail.com>

[ Upstream commit 856525e8db272b0ce6d9c6e6c2eeb97892b485a6 ]

While there is no good explanation what this value does, vendor driver
uses value 31 for it. Align driver with it.

Fixes: a4260ea49547 ("media: sun4i: Add H3 deinterlace driver")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/platform/sunxi/sun8i-di/sun8i-di.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
index 8faf93c418ed5..dd289c7c93bc2 100644
--- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
+++ b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
@@ -304,7 +304,7 @@ static void deinterlace_init(struct deinterlace_dev *dev)
 
 	deinterlace_clr_set_bits(dev, DEINTERLACE_CHROMA_DIFF,
 				 DEINTERLACE_CHROMA_DIFF_TH_MSK,
-				 DEINTERLACE_CHROMA_DIFF_TH(5));
+				 DEINTERLACE_CHROMA_DIFF_TH(31));
 }
 
 static inline struct deinterlace_ctx *deinterlace_file2ctx(struct file *file)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 210/317] media: imx: csc/scaler: fix v4l2_ctrl_handler memory leak
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (208 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 209/317] media: sun8i-di: Fix chroma difference threshold Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 211/317] media: go7007: add check of return value of go7007_read_addr() Sasha Levin
                   ` (109 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Lucas Stach, Philipp Zabel, Hans Verkuil, Sasha Levin

From: Lucas Stach <l.stach@pengutronix.de>

[ Upstream commit 4797a3dd46f220e6d83daf54d70c5b33db6deb01 ]

Free the memory allocated in v4l2_ctrl_handler_init on release.

Fixes: a8ef0488cc59 ("media: imx: add csc/scaler mem2mem device")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/staging/media/imx/imx-media-csc-scaler.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/media/imx/imx-media-csc-scaler.c b/drivers/staging/media/imx/imx-media-csc-scaler.c
index eb6da9b9d8ba8..c29a950639e46 100644
--- a/drivers/staging/media/imx/imx-media-csc-scaler.c
+++ b/drivers/staging/media/imx/imx-media-csc-scaler.c
@@ -803,6 +803,7 @@ static int ipu_csc_scaler_release(struct file *file)
 
 	dev_dbg(priv->dev, "Releasing instance %p\n", ctx);
 
+	v4l2_ctrl_handler_free(&ctx->ctrl_hdlr);
 	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
 	v4l2_fh_del(&ctx->fh);
 	v4l2_fh_exit(&ctx->fh);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 211/317] media: go7007: add check of return value of go7007_read_addr()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (209 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 210/317] media: imx: csc/scaler: fix v4l2_ctrl_handler memory leak Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 212/317] media: pvrusb2: remove redundant NULL check Sasha Levin
                   ` (108 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Daniil Dulov, Hans Verkuil, Sasha Levin

From: Daniil Dulov <d.dulov@aladdin.ru>

[ Upstream commit 0b70530ee740861f4776ff724fcc25023df1799a ]

If go7007_read_addr() returns error channel is not assigned a value.
In this case go to allocfail.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 866b8695d67e ("Staging: add the go7007 video driver")
Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/usb/go7007/go7007-usb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/usb/go7007/go7007-usb.c b/drivers/media/usb/go7007/go7007-usb.c
index eeb85981e02b6..762c13e49bfa5 100644
--- a/drivers/media/usb/go7007/go7007-usb.c
+++ b/drivers/media/usb/go7007/go7007-usb.c
@@ -1201,7 +1201,9 @@ static int go7007_usb_probe(struct usb_interface *intf,
 				u16 channel;
 
 				/* read channel number from GPIO[1:0] */
-				go7007_read_addr(go, 0x3c81, &channel);
+				if (go7007_read_addr(go, 0x3c81, &channel))
+					goto allocfail;
+
 				channel &= 0x3;
 				go->board_id = GO7007_BOARDID_ADLINK_MPG24;
 				usb->board = board = &board_adlink_mpg24;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 212/317] media: pvrusb2: remove redundant NULL check
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (210 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 211/317] media: go7007: add check of return value of go7007_read_addr() Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 213/317] media: pvrusb2: fix pvr2_stream_callback casts Sasha Levin
                   ` (107 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Daniil Dulov, Hans Verkuil, Sasha Levin

From: Daniil Dulov <d.dulov@aladdin.ru>

[ Upstream commit 95ac1210fb2753f968ebce0730d4fbc553c2a3dc ]

Pointer dip->stream cannot be NULL due to a shift, thus remove redundant
NULL check.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: c74e0062684b ("V4L/DVB (5059): Pvrusb2: Be smarter about mode restoration")
Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/usb/pvrusb2/pvrusb2-v4l2.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
index 9657c18833116..c872868becbdc 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
@@ -1202,11 +1202,6 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
 		dip->minor_type = pvr2_v4l_type_video;
 		nr_ptr = video_nr;
 		caps |= V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO;
-		if (!dip->stream) {
-			pr_err(KBUILD_MODNAME
-				": Failed to set up pvrusb2 v4l video dev due to missing stream instance\n");
-			return;
-		}
 		break;
 	case VFL_TYPE_VBI:
 		dip->config = pvr2_config_vbi;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 213/317] media: pvrusb2: fix pvr2_stream_callback casts
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (211 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 212/317] media: pvrusb2: remove redundant NULL check Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 214/317] clk: qcom: dispcc-sdm845: Adjust internal GDSC wait times Sasha Levin
                   ` (106 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Arnd Bergmann, Hans Verkuil, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 30baa4a96b23add91a87305baaeba82c4e109e1f ]

clang-16 complains about a control flow integrity (KCFI) issue in pvrusb2,
which casts three different prototypes into pvr2_stream_callback:

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c:1070:30: error: cast from 'void (*)(struct pvr2_v4l2_fh *)' to 'pvr2_stream_callback' (aka 'void (*)(void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
 1070 |         pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh);
      |                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/usb/pvrusb2/pvrusb2-context.c:110:6: error: cast from 'void (*)(struct pvr2_context *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  110 |                                         (void (*)(void *))pvr2_context_notify,
      |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/usb/pvrusb2/pvrusb2-dvb.c:152:6: error: cast from 'void (*)(struct pvr2_dvb_adapter *)' to 'pvr2_stream_callback' (aka 'void (*)(void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  152 |                                  (pvr2_stream_callback) pvr2_dvb_notify, adap);
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Change the functions to actually take a void* argument so the cast is no longer
needed.

Fixes: bb8ce9d9143c ("V4L/DVB (7682): pvrusb2-dvb: finish up stream & buffer handling")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/usb/pvrusb2/pvrusb2-context.c | 8 ++++----
 drivers/media/usb/pvrusb2/pvrusb2-dvb.c     | 6 ++++--
 drivers/media/usb/pvrusb2/pvrusb2-v4l2.c    | 6 ++++--
 3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-context.c b/drivers/media/usb/pvrusb2/pvrusb2-context.c
index 1764674de98bc..58f2f3ff10ee2 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-context.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-context.c
@@ -90,8 +90,10 @@ static void pvr2_context_destroy(struct pvr2_context *mp)
 }
 
 
-static void pvr2_context_notify(struct pvr2_context *mp)
+static void pvr2_context_notify(void *ptr)
 {
+	struct pvr2_context *mp = ptr;
+
 	pvr2_context_set_notify(mp,!0);
 }
 
@@ -106,9 +108,7 @@ static void pvr2_context_check(struct pvr2_context *mp)
 		pvr2_trace(PVR2_TRACE_CTXT,
 			   "pvr2_context %p (initialize)", mp);
 		/* Finish hardware initialization */
-		if (pvr2_hdw_initialize(mp->hdw,
-					(void (*)(void *))pvr2_context_notify,
-					mp)) {
+		if (pvr2_hdw_initialize(mp->hdw, pvr2_context_notify, mp)) {
 			mp->video_stream.stream =
 				pvr2_hdw_get_video_stream(mp->hdw);
 			/* Trigger interface initialization.  By doing this
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c
index 6954584526a32..1b768e7466721 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c
@@ -88,8 +88,10 @@ static int pvr2_dvb_feed_thread(void *data)
 	return stat;
 }
 
-static void pvr2_dvb_notify(struct pvr2_dvb_adapter *adap)
+static void pvr2_dvb_notify(void *ptr)
 {
+	struct pvr2_dvb_adapter *adap = ptr;
+
 	wake_up(&adap->buffer_wait_data);
 }
 
@@ -149,7 +151,7 @@ static int pvr2_dvb_stream_do_start(struct pvr2_dvb_adapter *adap)
 	}
 
 	pvr2_stream_set_callback(pvr->video_stream.stream,
-				 (pvr2_stream_callback) pvr2_dvb_notify, adap);
+				 pvr2_dvb_notify, adap);
 
 	ret = pvr2_stream_set_buffer_count(stream, PVR2_DVB_BUFFER_COUNT);
 	if (ret < 0) return ret;
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
index c872868becbdc..29f2e767f236f 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
@@ -1037,8 +1037,10 @@ static int pvr2_v4l2_open(struct file *file)
 }
 
 
-static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp)
+static void pvr2_v4l2_notify(void *ptr)
 {
+	struct pvr2_v4l2_fh *fhp = ptr;
+
 	wake_up(&fhp->wait_data);
 }
 
@@ -1071,7 +1073,7 @@ static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh)
 
 	hdw = fh->channel.mc_head->hdw;
 	sp = fh->pdi->stream->stream;
-	pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh);
+	pvr2_stream_set_callback(sp, pvr2_v4l2_notify, fh);
 	pvr2_hdw_set_stream_type(hdw,fh->pdi->config);
 	if ((ret = pvr2_hdw_set_streaming(hdw,!0)) < 0) return ret;
 	return pvr2_ioread_set_enabled(fh->rhp,!0);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 214/317] clk: qcom: dispcc-sdm845: Adjust internal GDSC wait times
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (212 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 213/317] media: pvrusb2: fix pvr2_stream_callback casts Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 215/317] drm/mediatek: dsi: Fix DSI RGB666 formats and definitions Sasha Levin
                   ` (105 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Konrad Dybcio, Caleb Connolly, Bjorn Andersson, Sasha Levin

From: Konrad Dybcio <konrad.dybcio@linaro.org>

[ Upstream commit 117e7dc697c2739d754db8fe0c1e2d4f1f5d5f82 ]

SDM845 downstream uses non-default values for GDSC internal waits.
Program them accordingly to avoid surprises.

Fixes: 81351776c9fb ("clk: qcom: Add display clock controller driver for SDM845")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Caleb Connolly <caleb.connolly@linaro.org> # OnePlus 6
Link: https://lore.kernel.org/r/20240103-topic-845gdsc-v1-1-368efbe1a61d@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/qcom/dispcc-sdm845.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/qcom/dispcc-sdm845.c b/drivers/clk/qcom/dispcc-sdm845.c
index 735adfefc3798..e792e0b130d33 100644
--- a/drivers/clk/qcom/dispcc-sdm845.c
+++ b/drivers/clk/qcom/dispcc-sdm845.c
@@ -759,6 +759,8 @@ static struct clk_branch disp_cc_mdss_vsync_clk = {
 
 static struct gdsc mdss_gdsc = {
 	.gdscr = 0x3000,
+	.en_few_wait_val = 0x6,
+	.en_rest_wait_val = 0x5,
 	.pd = {
 		.name = "mdss_gdsc",
 	},
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 215/317] drm/mediatek: dsi: Fix DSI RGB666 formats and definitions
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (213 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 214/317] clk: qcom: dispcc-sdm845: Adjust internal GDSC wait times Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 216/317] PCI: Mark 3ware-9650SE Root Port Extended Tags as broken Sasha Levin
                   ` (104 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: AngeloGioacchino Del Regno, Alexandre Mergnat, CK Hu,
	Chun-Kuang Hu, Sasha Levin

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

[ Upstream commit fae6f815505301b92d9113764f4d76d0bfe45607 ]

The register bits definitions for RGB666 formats are wrong in multiple
ways: first, in the DSI_PS_SEL bits region, the Packed 18-bits RGB666
format is selected with bit 1, while the Loosely Packed one is bit 2,
and second - the definition name "LOOSELY_PS_18BIT_RGB666" is wrong
because the loosely packed format is 24 bits instead!

Either way, functions mtk_dsi_ps_control_vact() and mtk_dsi_ps_control()
do not even agree on the DSI_PS_SEL bit to set in DSI_PSCTRL: one sets
loosely packed (24) on RGB666, the other sets packed (18), and the other
way around for RGB666_PACKED.

Fixing this entire stack of issues is done in one go:
 - Use the correct bit for the Loosely Packed RGB666 definition
 - Rename LOOSELY_PS_18BIT_RGB666 to LOOSELY_PS_24BIT_RGB666
 - Change ps_bpp_mode in mtk_dsi_ps_control_vact() to set:
    - Loosely Packed, 24-bits for MIPI_DSI_FMT_RGB666
    - Packed, 18-bits for MIPI_DSI_FMT_RGB666_PACKED

Fixes: 2e54c14e310f ("drm/mediatek: Add DSI sub driver")
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20240215085316.56835-3-angelogioacchino.delregno@collabora.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 57eaf111b6a8a..3b55a83b7cdff 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -70,8 +70,8 @@
 #define DSI_PS_WC			0x3fff
 #define DSI_PS_SEL			(3 << 16)
 #define PACKED_PS_16BIT_RGB565		(0 << 16)
-#define LOOSELY_PS_18BIT_RGB666		(1 << 16)
-#define PACKED_PS_18BIT_RGB666		(2 << 16)
+#define PACKED_PS_18BIT_RGB666		(1 << 16)
+#define LOOSELY_PS_24BIT_RGB666		(2 << 16)
 #define PACKED_PS_24BIT_RGB888		(3 << 16)
 
 #define DSI_VSA_NL		0x20
@@ -366,10 +366,10 @@ static void mtk_dsi_ps_control_vact(struct mtk_dsi *dsi)
 		ps_bpp_mode |= PACKED_PS_24BIT_RGB888;
 		break;
 	case MIPI_DSI_FMT_RGB666:
-		ps_bpp_mode |= PACKED_PS_18BIT_RGB666;
+		ps_bpp_mode |= LOOSELY_PS_24BIT_RGB666;
 		break;
 	case MIPI_DSI_FMT_RGB666_PACKED:
-		ps_bpp_mode |= LOOSELY_PS_18BIT_RGB666;
+		ps_bpp_mode |= PACKED_PS_18BIT_RGB666;
 		break;
 	case MIPI_DSI_FMT_RGB565:
 		ps_bpp_mode |= PACKED_PS_16BIT_RGB565;
@@ -423,7 +423,7 @@ static void mtk_dsi_ps_control(struct mtk_dsi *dsi)
 		dsi_tmp_buf_bpp = 3;
 		break;
 	case MIPI_DSI_FMT_RGB666:
-		tmp_reg = LOOSELY_PS_18BIT_RGB666;
+		tmp_reg = LOOSELY_PS_24BIT_RGB666;
 		dsi_tmp_buf_bpp = 3;
 		break;
 	case MIPI_DSI_FMT_RGB666_PACKED:
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 216/317] PCI: Mark 3ware-9650SE Root Port Extended Tags as broken
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (214 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 215/317] drm/mediatek: dsi: Fix DSI RGB666 formats and definitions Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 217/317] clk: hisilicon: hi3519: Release the correct number of gates in hi3519_clk_unregister() Sasha Levin
                   ` (103 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jörg Wedekind, Bjorn Helgaas, Sasha Levin

From: Jörg Wedekind <joerg@wedekind.de>

[ Upstream commit baf67aefbe7d7deafa59ca49612d163f8889934c ]

Per PCIe r6.1, sec 2.2.6.2 and 7.5.3.4, a Requester may not use 8-bit Tags
unless its Extended Tag Field Enable is set, but all Receivers/Completers
must handle 8-bit Tags correctly regardless of their Extended Tag Field
Enable.

Some devices do not handle 8-bit Tags as Completers, so add a quirk for
them.  If we find such a device, we disable Extended Tags for the entire
hierarchy to make peer-to-peer DMA possible.

The 3ware 9650SE seems to have issues with handling 8-bit tags. Mark it as
broken.

This fixes PCI Parity Errors like :

  3w-9xxx: scsi0: ERROR: (0x06:0x000C): PCI Parity Error: clearing.
  3w-9xxx: scsi0: ERROR: (0x06:0x000D): PCI Abort: clearing.
  3w-9xxx: scsi0: ERROR: (0x06:0x000E): Controller Queue Error: clearing.
  3w-9xxx: scsi0: ERROR: (0x06:0x0010): Microcontroller Error: clearing.

Link: https://lore.kernel.org/r/20240219132811.8351-1-joerg@wedekind.de
Fixes: 60db3a4d8cc9 ("PCI: Enable PCIe Extended Tags if supported")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=202425
Signed-off-by: Jörg Wedekind <joerg@wedekind.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pci/quirks.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index fcdc17bbcc8ee..1b6484c906094 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5390,6 +5390,7 @@ static void quirk_no_ext_tags(struct pci_dev *pdev)
 
 	pci_walk_bus(bridge->bus, pci_configure_extended_tags, NULL);
 }
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_3WARE, 0x1004, quirk_no_ext_tags);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0132, quirk_no_ext_tags);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0140, quirk_no_ext_tags);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0141, quirk_no_ext_tags);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 217/317] clk: hisilicon: hi3519: Release the correct number of gates in hi3519_clk_unregister()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (215 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 216/317] PCI: Mark 3ware-9650SE Root Port Extended Tags as broken Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 218/317] clk: hisilicon: hi3559a: Fix an erroneous devm_kfree() Sasha Levin
                   ` (102 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Stephen Boyd, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 74e39f526d95c0c119ada1874871ee328c59fbee ]

The gates are stored in 'hi3519_gate_clks', not 'hi3519_mux_clks'.
This is also in line with how hisi_clk_register_gate() is called in the
probe.

Fixes: 224b3b262c52 ("clk: hisilicon: hi3519: add driver remove path and fix some issues")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/c3f1877c9a0886fa35c949c8f0ef25547f284f18.1704912510.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/hisilicon/clk-hi3519.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/hisilicon/clk-hi3519.c b/drivers/clk/hisilicon/clk-hi3519.c
index ad0c7f350cf03..60d8a27a90824 100644
--- a/drivers/clk/hisilicon/clk-hi3519.c
+++ b/drivers/clk/hisilicon/clk-hi3519.c
@@ -130,7 +130,7 @@ static void hi3519_clk_unregister(struct platform_device *pdev)
 	of_clk_del_provider(pdev->dev.of_node);
 
 	hisi_clk_unregister_gate(hi3519_gate_clks,
-				ARRAY_SIZE(hi3519_mux_clks),
+				ARRAY_SIZE(hi3519_gate_clks),
 				crg->clk_data);
 	hisi_clk_unregister_mux(hi3519_mux_clks,
 				ARRAY_SIZE(hi3519_mux_clks),
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 218/317] clk: hisilicon: hi3559a: Fix an erroneous devm_kfree()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (216 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 217/317] clk: hisilicon: hi3519: Release the correct number of gates in hi3519_clk_unregister() Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 219/317] drm/tegra: put drm_gem_object ref on error in tegra_fb_create Sasha Levin
                   ` (101 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Christophe JAILLET, Stephen Boyd, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 64c6a38136b74a2f18c42199830975edd9fbc379 ]

'p_clk' is an array allocated just before the for loop for all clk that
need to be registered.
It is incremented at each loop iteration.

If a clk_register() call fails, 'p_clk' may point to something different
from what should be freed.

The best we can do, is to avoid this wrong release of memory.

Fixes: 6c81966107dc ("clk: hisilicon: Add clock driver for hi3559A SoC")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/773fc8425c3b8f5b0ca7c1d89f15b65831a85ca9.1705850155.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/hisilicon/clk-hi3559a.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/clk/hisilicon/clk-hi3559a.c b/drivers/clk/hisilicon/clk-hi3559a.c
index 9ea1a80acbe8b..0272276550ff1 100644
--- a/drivers/clk/hisilicon/clk-hi3559a.c
+++ b/drivers/clk/hisilicon/clk-hi3559a.c
@@ -491,7 +491,6 @@ static void hisi_clk_register_pll(struct hi3559av100_pll_clock *clks,
 
 		clk = clk_register(NULL, &p_clk->hw);
 		if (IS_ERR(clk)) {
-			devm_kfree(dev, p_clk);
 			dev_err(dev, "%s: failed to register clock %s\n",
 			       __func__, clks[i].name);
 			continue;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 219/317] drm/tegra: put drm_gem_object ref on error in tegra_fb_create
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (217 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 218/317] clk: hisilicon: hi3559a: Fix an erroneous devm_kfree() Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 220/317] mfd: syscon: Call of_node_put() only when of_parse_phandle() takes a ref Sasha Levin
                   ` (100 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Fedor Pchelkin, Thierry Reding, Sasha Levin

From: Fedor Pchelkin <pchelkin@ispras.ru>

[ Upstream commit 32e5a120a5105bce01561978ee55aee8e40ac0dc ]

Inside tegra_fb_create(), drm_gem_object_lookup() increments ref count of
the found object. But if the following size check fails then the last
found object's ref count should be put there as the unreferencing loop
can't detect this situation.

Found by Linux Verification Center (linuxtesting.org).

Fixes: de2ba664c30f ("gpu: host1x: drm: Add memory manager and fb")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231215093356.12067-1-pchelkin@ispras.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/fb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c
index cae8b8cbe9dd0..6e35c7951dfb2 100644
--- a/drivers/gpu/drm/tegra/fb.c
+++ b/drivers/gpu/drm/tegra/fb.c
@@ -165,6 +165,7 @@ struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
 
 		if (gem->size < size) {
 			err = -EINVAL;
+			drm_gem_object_put(gem);
 			goto unreference;
 		}
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 220/317] mfd: syscon: Call of_node_put() only when of_parse_phandle() takes a ref
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (218 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 219/317] drm/tegra: put drm_gem_object ref on error in tegra_fb_create Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 221/317] mfd: altera-sysmgr: " Sasha Levin
                   ` (99 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Peter Griffin, Lee Jones, Sasha Levin

From: Peter Griffin <peter.griffin@linaro.org>

[ Upstream commit d2b0680cf3b05490b579e71b0df6e07451977745 ]

of_parse_phandle() returns a device_node with refcount incremented, which
the callee needs to call of_node_put() on when done. We should only call
of_node_put() when the property argument is provided though as otherwise
nothing has taken a reference on the node.

Fixes: 45330bb43421 ("mfd: syscon: Allow property as NULL in syscon_regmap_lookup_by_phandle")
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20240220115012.471689-2-peter.griffin@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mfd/syscon.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index 552b1861adad4..75c732ee9ed6e 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -224,7 +224,9 @@ struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np,
 		return ERR_PTR(-ENODEV);
 
 	regmap = syscon_node_to_regmap(syscon_np);
-	of_node_put(syscon_np);
+
+	if (property)
+		of_node_put(syscon_np);
 
 	return regmap;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 221/317] mfd: altera-sysmgr: Call of_node_put() only when of_parse_phandle() takes a ref
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (219 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 220/317] mfd: syscon: Call of_node_put() only when of_parse_phandle() takes a ref Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 222/317] crypto: arm/sha - fix function cast warnings Sasha Levin
                   ` (98 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Peter Griffin, Lee Jones, Sasha Levin

From: Peter Griffin <peter.griffin@linaro.org>

[ Upstream commit e28c28a34ee9fa2ea671a20e5e7064e6220d55e7 ]

of_parse_phandle() returns a device_node with refcount incremented, which
the callee needs to call of_node_put() on when done. We should only call
of_node_put() when the property argument is provided though as otherwise
nothing has taken a reference on the node.

Fixes: f36e789a1f8d ("mfd: altera-sysmgr: Add SOCFPGA System Manager")
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20240220115012.471689-4-peter.griffin@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mfd/altera-sysmgr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/altera-sysmgr.c b/drivers/mfd/altera-sysmgr.c
index 5d3715a28b28e..dbe1009943718 100644
--- a/drivers/mfd/altera-sysmgr.c
+++ b/drivers/mfd/altera-sysmgr.c
@@ -110,7 +110,9 @@ struct regmap *altr_sysmgr_regmap_lookup_by_phandle(struct device_node *np,
 
 	dev = driver_find_device_by_of_node(&altr_sysmgr_driver.driver,
 					    (void *)sysmgr_np);
-	of_node_put(sysmgr_np);
+	if (property)
+		of_node_put(sysmgr_np);
+
 	if (!dev)
 		return ERR_PTR(-EPROBE_DEFER);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 222/317] crypto: arm/sha - fix function cast warnings
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (220 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 221/317] mfd: altera-sysmgr: " Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 223/317] drm/tidss: Fix initial plane zpos values Sasha Levin
                   ` (97 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arnd Bergmann, Ard Biesheuvel, Herbert Xu, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 53cc9baeb9bc2a187eb9c9790d30995148852b12 ]

clang-16 warns about casting between incompatible function types:

arch/arm/crypto/sha256_glue.c:37:5: error: cast from 'void (*)(u32 *, const void *, unsigned int)' (aka 'void (*)(unsigned int *, const void *, unsigned int)') to 'sha256_block_fn *' (aka 'void (*)(struct sha256_state *, const unsigned char *, int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
   37 |                                 (sha256_block_fn *)sha256_block_data_order);
      |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm/crypto/sha512-glue.c:34:3: error: cast from 'void (*)(u64 *, const u8 *, int)' (aka 'void (*)(unsigned long long *, const unsigned char *, int)') to 'sha512_block_fn *' (aka 'void (*)(struct sha512_state *, const unsigned char *, int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
   34 |                 (sha512_block_fn *)sha512_block_data_order);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Fix the prototypes for the assembler functions to match the typedef.
The code already relies on the digest being the first part of the
state structure, so there is no change in behavior.

Fixes: c80ae7ca3726 ("crypto: arm/sha512 - accelerated SHA-512 using ARM generic ASM and NEON")
Fixes: b59e2ae3690c ("crypto: arm/sha256 - move SHA-224/256 ASM/NEON implementation to base layer")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/crypto/sha256_glue.c | 13 +++++--------
 arch/arm/crypto/sha512-glue.c | 12 +++++-------
 2 files changed, 10 insertions(+), 15 deletions(-)

diff --git a/arch/arm/crypto/sha256_glue.c b/arch/arm/crypto/sha256_glue.c
index 433ee4ddce6c8..f85933fdec75f 100644
--- a/arch/arm/crypto/sha256_glue.c
+++ b/arch/arm/crypto/sha256_glue.c
@@ -24,8 +24,8 @@
 
 #include "sha256_glue.h"
 
-asmlinkage void sha256_block_data_order(u32 *digest, const void *data,
-					unsigned int num_blks);
+asmlinkage void sha256_block_data_order(struct sha256_state *state,
+					const u8 *data, int num_blks);
 
 int crypto_sha256_arm_update(struct shash_desc *desc, const u8 *data,
 			     unsigned int len)
@@ -33,23 +33,20 @@ int crypto_sha256_arm_update(struct shash_desc *desc, const u8 *data,
 	/* make sure casting to sha256_block_fn() is safe */
 	BUILD_BUG_ON(offsetof(struct sha256_state, state) != 0);
 
-	return sha256_base_do_update(desc, data, len,
-				(sha256_block_fn *)sha256_block_data_order);
+	return sha256_base_do_update(desc, data, len, sha256_block_data_order);
 }
 EXPORT_SYMBOL(crypto_sha256_arm_update);
 
 static int crypto_sha256_arm_final(struct shash_desc *desc, u8 *out)
 {
-	sha256_base_do_finalize(desc,
-				(sha256_block_fn *)sha256_block_data_order);
+	sha256_base_do_finalize(desc, sha256_block_data_order);
 	return sha256_base_finish(desc, out);
 }
 
 int crypto_sha256_arm_finup(struct shash_desc *desc, const u8 *data,
 			    unsigned int len, u8 *out)
 {
-	sha256_base_do_update(desc, data, len,
-			      (sha256_block_fn *)sha256_block_data_order);
+	sha256_base_do_update(desc, data, len, sha256_block_data_order);
 	return crypto_sha256_arm_final(desc, out);
 }
 EXPORT_SYMBOL(crypto_sha256_arm_finup);
diff --git a/arch/arm/crypto/sha512-glue.c b/arch/arm/crypto/sha512-glue.c
index 0635a65aa488b..1be5bd498af36 100644
--- a/arch/arm/crypto/sha512-glue.c
+++ b/arch/arm/crypto/sha512-glue.c
@@ -25,27 +25,25 @@ MODULE_ALIAS_CRYPTO("sha512");
 MODULE_ALIAS_CRYPTO("sha384-arm");
 MODULE_ALIAS_CRYPTO("sha512-arm");
 
-asmlinkage void sha512_block_data_order(u64 *state, u8 const *src, int blocks);
+asmlinkage void sha512_block_data_order(struct sha512_state *state,
+					u8 const *src, int blocks);
 
 int sha512_arm_update(struct shash_desc *desc, const u8 *data,
 		      unsigned int len)
 {
-	return sha512_base_do_update(desc, data, len,
-		(sha512_block_fn *)sha512_block_data_order);
+	return sha512_base_do_update(desc, data, len, sha512_block_data_order);
 }
 
 static int sha512_arm_final(struct shash_desc *desc, u8 *out)
 {
-	sha512_base_do_finalize(desc,
-		(sha512_block_fn *)sha512_block_data_order);
+	sha512_base_do_finalize(desc, sha512_block_data_order);
 	return sha512_base_finish(desc, out);
 }
 
 int sha512_arm_finup(struct shash_desc *desc, const u8 *data,
 		     unsigned int len, u8 *out)
 {
-	sha512_base_do_update(desc, data, len,
-		(sha512_block_fn *)sha512_block_data_order);
+	sha512_base_do_update(desc, data, len, sha512_block_data_order);
 	return sha512_arm_final(desc, out);
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 223/317] drm/tidss: Fix initial plane zpos values
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (221 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 222/317] crypto: arm/sha - fix function cast warnings Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 224/317] mtd: maps: physmap-core: fix flash size larger than 32-bit Sasha Levin
                   ` (96 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Tomi Valkeinen, Aradhya Bhatia, Sasha Levin

From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>

[ Upstream commit 3ec948ccb2c4b99e8fbfdd950adbe92ea577b395 ]

When the driver sets up the zpos property it sets the default zpos value
to the HW id of the plane. That is fine as such, but as on many DSS
versions the driver arranges the DRM planes in a different order than
the HW planes (to keep the non-scalable planes first), this leads to odd
initial zpos values. An example is J721e, where the initial zpos values
for DRM planes are 1, 3, 0, 2.

In theory the userspace should configure the zpos values properly when
using multiple planes, and in that sense the initial zpos values
shouldn't matter, but there's really no reason not to fix this and help
the userspace apps which don't handle zpos perfectly. In particular,
some versions of Weston seem to have issues dealing with the planes
with the current default zpos values.

So let's change the zpos values for the DRM planes to 0, 1, 2, 3.

Another option would be to configure the planes marked as primary planes
to zpos 0. On a two display system this would give us plane zpos values
of 0, 0, 1, 2. The end result and behavior would be very similar in this
option, and I'm not aware that this would actually help us in any way.
So, to keep the code simple, I opted for the 0, 1, 2, 3 values.

Fixes: 32a1795f57ee ("drm/tidss: New driver for TI Keystone platform Display SubSystem")
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240213-tidss-fixes-v1-1-d709e8dfa505@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tidss/tidss_plane.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tidss/tidss_plane.c b/drivers/gpu/drm/tidss/tidss_plane.c
index 217415ec8eea1..8ccd7d31c01b3 100644
--- a/drivers/gpu/drm/tidss/tidss_plane.c
+++ b/drivers/gpu/drm/tidss/tidss_plane.c
@@ -210,7 +210,7 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
 
 	drm_plane_helper_add(&tplane->plane, &tidss_plane_helper_funcs);
 
-	drm_plane_create_zpos_property(&tplane->plane, hw_plane_id, 0,
+	drm_plane_create_zpos_property(&tplane->plane, tidss->num_planes, 0,
 				       num_planes - 1);
 
 	ret = drm_plane_create_color_properties(&tplane->plane,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 224/317] mtd: maps: physmap-core: fix flash size larger than 32-bit
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (222 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 223/317] drm/tidss: Fix initial plane zpos values Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 225/317] mtd: rawnand: lpc32xx_mlc: fix irq handler prototype Sasha Levin
                   ` (95 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Baruch Siach, Miquel Raynal, Sasha Levin

From: Baruch Siach <baruch@tkos.co.il>

[ Upstream commit 3884f03edd34887514a0865a80769cd5362d5c3b ]

mtd-ram can potentially be larger than 4GB. get_bitmask_order() uses
fls() that is not guaranteed to work with values larger than 32-bit.
Specifically on aarch64 fls() returns 0 when all 32 LSB bits are clear.
Use fls64() instead.

Fixes: ba32ce95cbd987 ("mtd: maps: Merge gpio-addr-flash.c into physmap-core.c")
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/9fbf3664ce00f8b07867f1011834015f21d162a5.1707388458.git.baruch@tkos.co.il
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mtd/maps/physmap-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/maps/physmap-core.c b/drivers/mtd/maps/physmap-core.c
index 9ab795f03c546..e5552093585e2 100644
--- a/drivers/mtd/maps/physmap-core.c
+++ b/drivers/mtd/maps/physmap-core.c
@@ -528,7 +528,7 @@ static int physmap_flash_probe(struct platform_device *dev)
 		if (!info->maps[i].phys)
 			info->maps[i].phys = res->start;
 
-		info->win_order = get_bitmask_order(resource_size(res)) - 1;
+		info->win_order = fls64(resource_size(res)) - 1;
 		info->maps[i].size = BIT(info->win_order +
 					 (info->gpios ?
 					  info->gpios->ndescs : 0));
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 225/317] mtd: rawnand: lpc32xx_mlc: fix irq handler prototype
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (223 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 224/317] mtd: maps: physmap-core: fix flash size larger than 32-bit Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 226/317] ASoC: meson: axg-tdm-interface: fix mclk setup without mclk-fs Sasha Levin
                   ` (94 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Arnd Bergmann, Miquel Raynal, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 347b828882e6334690e7003ce5e2fe5f233dc508 ]

clang-16 warns about mismatched function prototypes:

drivers/mtd/nand/raw/lpc32xx_mlc.c:783:29: error: cast from 'irqreturn_t (*)(int, struct lpc32xx_nand_host *)' (aka 'enum irqreturn (*)(int, struct lpc32xx_nand_host *)') to 'irq_handler_t' (aka 'enum irqreturn (*)(int, void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]

Change the interrupt handler to the normal way of just passing
a void* pointer and converting it inside the function..

Fixes: 70f7cb78ec53 ("mtd: add LPC32xx MLC NAND driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240213100146.455811-1-arnd@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mtd/nand/raw/lpc32xx_mlc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/raw/lpc32xx_mlc.c b/drivers/mtd/nand/raw/lpc32xx_mlc.c
index 452ecaf7775ac..1cfe3dd0bad4d 100644
--- a/drivers/mtd/nand/raw/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_mlc.c
@@ -303,8 +303,9 @@ static int lpc32xx_nand_device_ready(struct nand_chip *nand_chip)
 	return 0;
 }
 
-static irqreturn_t lpc3xxx_nand_irq(int irq, struct lpc32xx_nand_host *host)
+static irqreturn_t lpc3xxx_nand_irq(int irq, void *data)
 {
+	struct lpc32xx_nand_host *host = data;
 	uint8_t sr;
 
 	/* Clear interrupt flag by reading status */
@@ -779,7 +780,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
 		goto release_dma_chan;
 	}
 
-	if (request_irq(host->irq, (irq_handler_t)&lpc3xxx_nand_irq,
+	if (request_irq(host->irq, &lpc3xxx_nand_irq,
 			IRQF_TRIGGER_HIGH, DRV_NAME, host)) {
 		dev_err(&pdev->dev, "Error requesting NAND IRQ\n");
 		res = -ENXIO;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 226/317] ASoC: meson: axg-tdm-interface: fix mclk setup without mclk-fs
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (224 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 225/317] mtd: rawnand: lpc32xx_mlc: fix irq handler prototype Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 227/317] ASoC: meson: axg-tdm-interface: add frame rate constraint Sasha Levin
                   ` (93 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jerome Brunet, Mark Brown, Sasha Levin

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit e3741a8d28a1137f8b19ae6f3d6e3be69a454a0a ]

By default, when mclk-fs is not provided, the tdm-interface driver
requests an MCLK that is 4x the bit clock, SCLK.

However there is no justification for this:

* If the codec needs MCLK for its operation, mclk-fs is expected to be set
  according to the codec requirements.
* If the codec does not need MCLK the minimum is 2 * SCLK, because this is
  minimum the divider between SCLK and MCLK can do.

Multiplying by 4 may cause problems because the PLL limit may be reached
sooner than it should, so use 2x instead.

Fixes: d60e4f1e4be5 ("ASoC: meson: add tdm interface driver")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://msgid.link/r/20240223175116.2005407-2-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/meson/axg-tdm-interface.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c
index e076ced300257..ac43a7ab7bcf6 100644
--- a/sound/soc/meson/axg-tdm-interface.c
+++ b/sound/soc/meson/axg-tdm-interface.c
@@ -266,8 +266,8 @@ static int axg_tdm_iface_set_sclk(struct snd_soc_dai *dai,
 	srate = iface->slots * iface->slot_width * params_rate(params);
 
 	if (!iface->mclk_rate) {
-		/* If no specific mclk is requested, default to bit clock * 4 */
-		clk_set_rate(iface->mclk, 4 * srate);
+		/* If no specific mclk is requested, default to bit clock * 2 */
+		clk_set_rate(iface->mclk, 2 * srate);
 	} else {
 		/* Check if we can actually get the bit clock from mclk */
 		if (iface->mclk_rate % srate) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 227/317] ASoC: meson: axg-tdm-interface: add frame rate constraint
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (225 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 226/317] ASoC: meson: axg-tdm-interface: fix mclk setup without mclk-fs Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 228/317] HID: amd_sfh: Update HPD sensor structure elements Sasha Levin
                   ` (92 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jerome Brunet, Mark Brown, Sasha Levin

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit 59c6a3a43b221cc2a211181b1298e43b2c2df782 ]

According to Amlogic datasheets for the SoCs supported by this driver, the
maximum bit clock rate is 100MHz.

The tdm interface allows the rates listed by the DAI driver, regardless of
the number slots or their width. However, these will impact the bit clock
rate.

Hitting the 100MHz limit is very unlikely for most use cases but it is
possible.

For example with 32 slots / 32 bits wide, the maximum rate is no longer
384kHz but ~96kHz.

Add the constraint accordingly if the component is not already active.
If it is active, the rate is already constrained by the first stream rate.

Fixes: d60e4f1e4be5 ("ASoC: meson: add tdm interface driver")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://msgid.link/r/20240223175116.2005407-3-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/meson/axg-tdm-interface.c | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c
index ac43a7ab7bcf6..60d132ab1ab78 100644
--- a/sound/soc/meson/axg-tdm-interface.c
+++ b/sound/soc/meson/axg-tdm-interface.c
@@ -12,6 +12,9 @@
 
 #include "axg-tdm.h"
 
+/* Maximum bit clock frequency according the datasheets */
+#define MAX_SCLK 100000000 /* Hz */
+
 enum {
 	TDM_IFACE_PAD,
 	TDM_IFACE_LOOPBACK,
@@ -155,19 +158,27 @@ static int axg_tdm_iface_startup(struct snd_pcm_substream *substream,
 		return -EINVAL;
 	}
 
-	/* Apply component wide rate symmetry */
 	if (snd_soc_component_active(dai->component)) {
+		/* Apply component wide rate symmetry */
 		ret = snd_pcm_hw_constraint_single(substream->runtime,
 						   SNDRV_PCM_HW_PARAM_RATE,
 						   iface->rate);
-		if (ret < 0) {
-			dev_err(dai->dev,
-				"can't set iface rate constraint\n");
-			return ret;
-		}
+
+	} else {
+		/* Limit rate according to the slot number and width */
+		unsigned int max_rate =
+			MAX_SCLK / (iface->slots * iface->slot_width);
+		ret = snd_pcm_hw_constraint_minmax(substream->runtime,
+						   SNDRV_PCM_HW_PARAM_RATE,
+						   0, max_rate);
 	}
 
-	return 0;
+	if (ret < 0)
+		dev_err(dai->dev, "can't set iface rate constraint\n");
+	else
+		ret = 0;
+
+	return ret;
 }
 
 static int axg_tdm_iface_set_stream(struct snd_pcm_substream *substream,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 228/317] HID: amd_sfh: Update HPD sensor structure elements
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (226 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 227/317] ASoC: meson: axg-tdm-interface: add frame rate constraint Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 229/317] drm/amdgpu: Fix missing break in ATOM_ARG_IMM Case of atom_get_src_int() Sasha Levin
                   ` (91 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Basavaraj Natikar, Akshata MukundShetty, Jiri Kosina, Sasha Levin

From: Basavaraj Natikar <Basavaraj.Natikar@amd.com>

[ Upstream commit bbf0dec30696638b8bdc28cb2f5bf23f8d760b52 ]

HPD sensor data is not populating properly because of wrong order of HPD
sensor structure elements. So update the order of structure elements to
match the HPD sensor data received from the firmware.

Fixes: 24a31ea94922 ("HID: amd_sfh: Add initial support for HPD sensor")
Co-developed-by: Akshata MukundShetty <akshata.mukundshetty@amd.com>
Signed-off-by: Akshata MukundShetty <akshata.mukundshetty@amd.com>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hid/amd-sfh-hid/amd_sfh_pcie.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h
index 2d3203d3daeb3..90f39bfe8050e 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h
@@ -119,10 +119,10 @@ enum mem_use_type {
 struct hpd_status {
 	union {
 		struct {
-			u32 human_presence_report : 4;
-			u32 human_presence_actual : 4;
-			u32 probablity		  : 8;
 			u32 object_distance       : 16;
+			u32 probablity		  : 8;
+			u32 human_presence_actual : 4;
+			u32 human_presence_report : 4;
 		} shpd;
 		u32 val;
 	};
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 229/317] drm/amdgpu: Fix missing break in ATOM_ARG_IMM Case of atom_get_src_int()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (227 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 228/317] HID: amd_sfh: Update HPD sensor structure elements Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 230/317] media: pvrusb2: fix uaf in pvr2_context_set_notify Sasha Levin
                   ` (90 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Srinivasan Shanmugam, Jammy Zhou, Christian König,
	Alex Deucher, Sasha Levin

From: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>

[ Upstream commit 7cf1ad2fe10634238b38442a851d89514cb14ea2 ]

Missing break statement in the ATOM_ARG_IMM case of a switch statement,
adds the missing break statement, ensuring that the program's control
flow is as intended.

Fixes the below:
drivers/gpu/drm/amd/amdgpu/atom.c:323 atom_get_src_int() warn: ignoring unreachable code.

Fixes: d38ceaf99ed0 ("drm/amdgpu: add core driver (v4)")
Cc: Jammy Zhou <Jammy.Zhou@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/amdgpu/atom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 6fa2229b72292..c279718d22fba 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -311,7 +311,7 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
 				DEBUG("IMM 0x%02X\n", val);
 			return val;
 		}
-		return 0;
+		break;
 	case ATOM_ARG_PLL:
 		idx = U8(*ptr);
 		(*ptr)++;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 230/317] media: pvrusb2: fix uaf in pvr2_context_set_notify
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (228 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 229/317] drm/amdgpu: Fix missing break in ATOM_ARG_IMM Case of atom_get_src_int() Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 231/317] media: dvb-frontends: avoid stack overflow warnings with clang Sasha Levin
                   ` (89 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Edward Adam Davis, syzbot+ce750e124675d4599449, Hans Verkuil,
	Sasha Levin

From: Edward Adam Davis <eadavis@qq.com>

[ Upstream commit 0a0b79ea55de8514e1750884e5fec77f9fdd01ee ]

[Syzbot reported]
BUG: KASAN: slab-use-after-free in pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2-context.c:35
Read of size 4 at addr ffff888113aeb0d8 by task kworker/1:1/26

CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.8.0-rc1-syzkaller-00046-gf1a27f081c1f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:488
 kasan_report+0xda/0x110 mm/kasan/report.c:601
 pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2-context.c:35
 pvr2_context_notify drivers/media/usb/pvrusb2/pvrusb2-context.c:95 [inline]
 pvr2_context_disconnect+0x94/0xb0 drivers/media/usb/pvrusb2/pvrusb2-context.c:272

Freed by task 906:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3f/0x60 mm/kasan/generic.c:640
poison_slab_object mm/kasan/common.c:241 [inline]
__kasan_slab_free+0x106/0x1b0 mm/kasan/common.c:257
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2121 [inline]
slab_free mm/slub.c:4299 [inline]
kfree+0x105/0x340 mm/slub.c:4409
pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:137 [inline]
pvr2_context_thread_func+0x69d/0x960 drivers/media/usb/pvrusb2/pvrusb2-context.c:158

[Analyze]
Task A set disconnect_flag = !0, which resulted in Task B's condition being met
and releasing mp, leading to this issue.

[Fix]
Place the disconnect_flag assignment operation after all code in pvr2_context_disconnect()
to avoid this issue.

Reported-and-tested-by: syzbot+ce750e124675d4599449@syzkaller.appspotmail.com
Fixes: e5be15c63804 ("V4L/DVB (7711): pvrusb2: Fix race on module unload")
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/usb/pvrusb2/pvrusb2-context.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-context.c b/drivers/media/usb/pvrusb2/pvrusb2-context.c
index 58f2f3ff10ee2..73c95ba2328a4 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-context.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-context.c
@@ -267,9 +267,9 @@ static void pvr2_context_exit(struct pvr2_context *mp)
 void pvr2_context_disconnect(struct pvr2_context *mp)
 {
 	pvr2_hdw_disconnect(mp->hdw);
-	mp->disconnect_flag = !0;
 	if (!pvr2_context_shutok())
 		pvr2_context_notify(mp);
+	mp->disconnect_flag = !0;
 }
 
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 231/317] media: dvb-frontends: avoid stack overflow warnings with clang
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (229 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 230/317] media: pvrusb2: fix uaf in pvr2_context_set_notify Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 232/317] media: go7007: fix a memleak in go7007_load_encoder Sasha Levin
                   ` (88 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arnd Bergmann, Justin Stitt, Hans Verkuil, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 7a4cf27d1f0538f779bf31b8c99eda394e277119 ]

A previous patch worked around a KASAN issue in stv0367, now a similar
problem showed up with clang:

drivers/media/dvb-frontends/stv0367.c:1222:12: error: stack frame size (3624) exceeds limit (2048) in 'stv0367ter_set_frontend' [-Werror,-Wframe-larger-than]
 1214 | static int stv0367ter_set_frontend(struct dvb_frontend *fe)

Rework the stv0367_writereg() function to be simpler and mark both
register access functions as noinline_for_stack so the temporary
i2c_msg structures do not get duplicated on the stack when KASAN_STACK
is enabled.

Fixes: 3cd890dbe2a4 ("media: dvb-frontends: fix i2c access helpers for KASAN")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/dvb-frontends/stv0367.c | 34 +++++++--------------------
 1 file changed, 8 insertions(+), 26 deletions(-)

diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c
index 0bfca1174e9e7..8cbae8235b174 100644
--- a/drivers/media/dvb-frontends/stv0367.c
+++ b/drivers/media/dvb-frontends/stv0367.c
@@ -118,50 +118,32 @@ static const s32 stv0367cab_RF_LookUp2[RF_LOOKUP_TABLE2_SIZE][RF_LOOKUP_TABLE2_S
 	}
 };
 
-static
-int stv0367_writeregs(struct stv0367_state *state, u16 reg, u8 *data, int len)
+static noinline_for_stack
+int stv0367_writereg(struct stv0367_state *state, u16 reg, u8 data)
 {
-	u8 buf[MAX_XFER_SIZE];
+	u8 buf[3] = { MSB(reg), LSB(reg), data };
 	struct i2c_msg msg = {
 		.addr = state->config->demod_address,
 		.flags = 0,
 		.buf = buf,
-		.len = len + 2
+		.len = 3,
 	};
 	int ret;
 
-	if (2 + len > sizeof(buf)) {
-		printk(KERN_WARNING
-		       "%s: i2c wr reg=%04x: len=%d is too big!\n",
-		       KBUILD_MODNAME, reg, len);
-		return -EINVAL;
-	}
-
-
-	buf[0] = MSB(reg);
-	buf[1] = LSB(reg);
-	memcpy(buf + 2, data, len);
-
 	if (i2cdebug)
 		printk(KERN_DEBUG "%s: [%02x] %02x: %02x\n", __func__,
-			state->config->demod_address, reg, buf[2]);
+			state->config->demod_address, reg, data);
 
 	ret = i2c_transfer(state->i2c, &msg, 1);
 	if (ret != 1)
 		printk(KERN_ERR "%s: i2c write error! ([%02x] %02x: %02x)\n",
-			__func__, state->config->demod_address, reg, buf[2]);
+			__func__, state->config->demod_address, reg, data);
 
 	return (ret != 1) ? -EREMOTEIO : 0;
 }
 
-static int stv0367_writereg(struct stv0367_state *state, u16 reg, u8 data)
-{
-	u8 tmp = data; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */
-
-	return stv0367_writeregs(state, reg, &tmp, 1);
-}
-
-static u8 stv0367_readreg(struct stv0367_state *state, u16 reg)
+static noinline_for_stack
+u8 stv0367_readreg(struct stv0367_state *state, u16 reg)
 {
 	u8 b0[] = { 0, 0 };
 	u8 b1[] = { 0 };
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 232/317] media: go7007: fix a memleak in go7007_load_encoder
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (230 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 231/317] media: dvb-frontends: avoid stack overflow warnings with clang Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 233/317] media: ttpci: fix two memleaks in budget_av_attach Sasha Levin
                   ` (87 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhipeng Lu, Hans Verkuil, Sasha Levin

From: Zhipeng Lu <alexious@zju.edu.cn>

[ Upstream commit b9b683844b01d171a72b9c0419a2d760d946ee12 ]

In go7007_load_encoder, bounce(i.e. go->boot_fw), is allocated without
a deallocation thereafter. After the following call chain:

saa7134_go7007_init
  |-> go7007_boot_encoder
        |-> go7007_load_encoder
  |-> kfree(go)

go is freed and thus bounce is leaked.

Fixes: 95ef39403f89 ("[media] go7007: remember boot firmware")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/usb/go7007/go7007-driver.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c
index 6650eab913d81..3c66542ce284a 100644
--- a/drivers/media/usb/go7007/go7007-driver.c
+++ b/drivers/media/usb/go7007/go7007-driver.c
@@ -80,7 +80,7 @@ static int go7007_load_encoder(struct go7007 *go)
 	const struct firmware *fw_entry;
 	char fw_name[] = "go7007/go7007fw.bin";
 	void *bounce;
-	int fw_len, rv = 0;
+	int fw_len;
 	u16 intr_val, intr_data;
 
 	if (go->boot_fw == NULL) {
@@ -109,9 +109,11 @@ static int go7007_load_encoder(struct go7007 *go)
 	    go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
 			(intr_val & ~0x1) != 0x5a5a) {
 		v4l2_err(go, "error transferring firmware\n");
-		rv = -1;
+		kfree(go->boot_fw);
+		go->boot_fw = NULL;
+		return -1;
 	}
-	return rv;
+	return 0;
 }
 
 MODULE_FIRMWARE("go7007/go7007fw.bin");
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 233/317] media: ttpci: fix two memleaks in budget_av_attach
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (231 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 232/317] media: go7007: fix a memleak in go7007_load_encoder Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 234/317] media: mediatek: vcodec: avoid -Wcast-function-type-strict warning Sasha Levin
                   ` (86 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Zhipeng Lu, Hans Verkuil, Sasha Levin

From: Zhipeng Lu <alexious@zju.edu.cn>

[ Upstream commit d0b07f712bf61e1a3cf23c87c663791c42e50837 ]

When saa7146_register_device and saa7146_vv_init fails, budget_av_attach
should free the resources it allocates, like the error-handling of
ttpci_budget_init does. Besides, there are two fixme comment refers to
such deallocations.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/pci/ttpci/budget-av.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/media/pci/ttpci/budget-av.c b/drivers/media/pci/ttpci/budget-av.c
index 3cb83005cf09b..519f85e0a397d 100644
--- a/drivers/media/pci/ttpci/budget-av.c
+++ b/drivers/media/pci/ttpci/budget-av.c
@@ -1462,7 +1462,8 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
 		budget_av->has_saa7113 = 1;
 		err = saa7146_vv_init(dev, &vv_data);
 		if (err != 0) {
-			/* fixme: proper cleanup here */
+			ttpci_budget_deinit(&budget_av->budget);
+			kfree(budget_av);
 			ERR("cannot init vv subsystem\n");
 			return err;
 		}
@@ -1471,9 +1472,10 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
 		vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
 
 		if ((err = saa7146_register_device(&budget_av->vd, dev, "knc1", VFL_TYPE_VIDEO))) {
-			/* fixme: proper cleanup here */
-			ERR("cannot register capture v4l2 device\n");
 			saa7146_vv_release(dev);
+			ttpci_budget_deinit(&budget_av->budget);
+			kfree(budget_av);
+			ERR("cannot register capture v4l2 device\n");
 			return err;
 		}
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 234/317] media: mediatek: vcodec: avoid -Wcast-function-type-strict warning
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (232 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 233/317] media: ttpci: fix two memleaks in budget_av_attach Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 235/317] drm/mediatek: Fix a null pointer crash in mtk_drm_crtc_finish_page_flip Sasha Levin
                   ` (85 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arnd Bergmann, Ricardo Ribalda, Hans Verkuil, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit bfb1b99802ef16045402deb855c197591dc78886 ]

The ipi handler here tries hard to maintain const-ness of its argument,
but by doing that causes a warning about function type casts:

drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c:38:32: error: cast from 'mtk_vcodec_ipi_handler' (aka 'void (*)(void *, unsigned int, void *)') to 'ipi_handler_t' (aka 'void (*)(const void *, unsigned int, void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
   38 |         ipi_handler_t handler_const = (ipi_handler_t)handler;
      |                                       ^~~~~~~~~~~~~~~~~~~~~~

Remove the hack and just use a non-const argument.

Fixes: bf1d556ad4e0 ("media: mtk-vcodec: abstract firmware interface")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c          |  2 +-
 drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c | 10 +---------
 drivers/media/platform/mtk-vpu/mtk_vpu.c              |  2 +-
 drivers/media/platform/mtk-vpu/mtk_vpu.h              |  2 +-
 4 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c b/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c
index b065ccd069140..378a1cba0144f 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c
@@ -26,7 +26,7 @@ static void mtk_mdp_vpu_handle_init_ack(const struct mdp_ipi_comm_ack *msg)
 	vpu->inst_addr = msg->vpu_inst_addr;
 }
 
-static void mtk_mdp_vpu_ipi_handler(const void *data, unsigned int len,
+static void mtk_mdp_vpu_ipi_handler(void *data, unsigned int len,
 				    void *priv)
 {
 	const struct mdp_ipi_comm_ack *msg = data;
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c
index cfc7ebed8fb7a..1ec29f1b163a1 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c
@@ -29,15 +29,7 @@ static int mtk_vcodec_vpu_set_ipi_register(struct mtk_vcodec_fw *fw, int id,
 					   mtk_vcodec_ipi_handler handler,
 					   const char *name, void *priv)
 {
-	/*
-	 * The handler we receive takes a void * as its first argument. We
-	 * cannot change this because it needs to be passed down to the rproc
-	 * subsystem when SCP is used. VPU takes a const argument, which is
-	 * more constrained, so the conversion below is safe.
-	 */
-	ipi_handler_t handler_const = (ipi_handler_t)handler;
-
-	return vpu_ipi_register(fw->pdev, id, handler_const, name, priv);
+	return vpu_ipi_register(fw->pdev, id, handler, name, priv);
 }
 
 static int mtk_vcodec_vpu_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf,
diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.c b/drivers/media/platform/mtk-vpu/mtk_vpu.c
index af59cc52fdd73..e282bbae8f668 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.c
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.c
@@ -635,7 +635,7 @@ int vpu_load_firmware(struct platform_device *pdev)
 }
 EXPORT_SYMBOL_GPL(vpu_load_firmware);
 
-static void vpu_init_ipi_handler(const void *data, unsigned int len, void *priv)
+static void vpu_init_ipi_handler(void *data, unsigned int len, void *priv)
 {
 	struct mtk_vpu *vpu = priv;
 	const struct vpu_run *run = data;
diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.h b/drivers/media/platform/mtk-vpu/mtk_vpu.h
index a56053ff135af..da05f3e740810 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.h
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.h
@@ -17,7 +17,7 @@
  * VPU interfaces with other blocks by share memory and interrupt.
  */
 
-typedef void (*ipi_handler_t) (const void *data,
+typedef void (*ipi_handler_t) (void *data,
 			       unsigned int len,
 			       void *priv);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 235/317] drm/mediatek: Fix a null pointer crash in mtk_drm_crtc_finish_page_flip
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (233 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 234/317] media: mediatek: vcodec: avoid -Wcast-function-type-strict warning Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 236/317] powerpc/hv-gpci: Fix the H_GET_PERF_COUNTER_INFO hcall return value checks Sasha Levin
                   ` (84 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Hsin-Yi Wang, CK Hu, Chun-Kuang Hu, Sasha Levin

From: Hsin-Yi Wang <hsinyi@chromium.org>

[ Upstream commit c958e86e9cc1b48cac004a6e245154dfba8e163b ]

It's possible that mtk_crtc->event is NULL in
mtk_drm_crtc_finish_page_flip().

pending_needs_vblank value is set by mtk_crtc->event, but in
mtk_drm_crtc_atomic_flush(), it's is not guarded by the same
lock in mtk_drm_finish_page_flip(), thus a race condition happens.

Consider the following case:

CPU1                              CPU2
step 1:
mtk_drm_crtc_atomic_begin()
mtk_crtc->event is not null,
                                  step 1:
                                  mtk_drm_crtc_atomic_flush:
                                  mtk_drm_crtc_update_config(
                                      !!mtk_crtc->event)
step 2:
mtk_crtc_ddp_irq ->
mtk_drm_finish_page_flip:
lock
mtk_crtc->event set to null,
pending_needs_vblank set to false
unlock
                                  pending_needs_vblank set to true,

                                  step 2:
                                  mtk_crtc_ddp_irq ->
                                  mtk_drm_finish_page_flip called again,
                                  pending_needs_vblank is still true
                                  //null pointer

Instead of guarding the entire mtk_drm_crtc_atomic_flush(), it's more
efficient to just check if mtk_crtc->event is null before use.

Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20240223212404.3709690-1-hsinyi@chromium.org/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index d6781e54b3356..1a038fa004668 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -92,11 +92,13 @@ static void mtk_drm_crtc_finish_page_flip(struct mtk_drm_crtc *mtk_crtc)
 	struct drm_crtc *crtc = &mtk_crtc->base;
 	unsigned long flags;
 
-	spin_lock_irqsave(&crtc->dev->event_lock, flags);
-	drm_crtc_send_vblank_event(crtc, mtk_crtc->event);
-	drm_crtc_vblank_put(crtc);
-	mtk_crtc->event = NULL;
-	spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+	if (mtk_crtc->event) {
+		spin_lock_irqsave(&crtc->dev->event_lock, flags);
+		drm_crtc_send_vblank_event(crtc, mtk_crtc->event);
+		drm_crtc_vblank_put(crtc);
+		mtk_crtc->event = NULL;
+		spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+	}
 }
 
 static void mtk_drm_finish_page_flip(struct mtk_drm_crtc *mtk_crtc)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 236/317] powerpc/hv-gpci: Fix the H_GET_PERF_COUNTER_INFO hcall return value checks
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (234 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 235/317] drm/mediatek: Fix a null pointer crash in mtk_drm_crtc_finish_page_flip Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 237/317] drm/msm/dpu: add division of drm_display_mode's hskew parameter Sasha Levin
                   ` (83 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Kajol Jain, Akanksha J N, Michael Ellerman, Sasha Levin

From: Kajol Jain <kjain@linux.ibm.com>

[ Upstream commit ad86d7ee43b22aa2ed60fb982ae94b285c1be671 ]

Running event hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles,phys_processor_idx=0/
in one of the system throws below error:

 ---Logs---
 # perf list | grep hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles
  hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles,phys_processor_idx=?/[Kernel PMU event]

 # perf stat -v -e hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles,phys_processor_idx=0/ sleep 2
Using CPUID 00800200
Control descriptor is not initialized
Warning:
hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles,phys_processor_idx=0/ event is not supported by the kernel.
failed to read counter hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles,phys_processor_idx=0/

 Performance counter stats for 'system wide':

   <not supported>      hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles,phys_processor_idx=0/

       2.000700771 seconds time elapsed

The above error is because of the hcall failure as required
permission "Enable Performance Information Collection" is not set.
Based on current code, single_gpci_request function did not check the
error type incase hcall fails and by default returns EINVAL. But we can
have other reasons for hcall failures like H_AUTHORITY/H_PARAMETER with
detail_rc as GEN_BUF_TOO_SMALL, for which we need to act accordingly.

Fix this issue by adding new checks in the single_gpci_request and
h_gpci_event_init functions.

Result after fix patch changes:

 # perf stat -e hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles,phys_processor_idx=0/ sleep 2
Error:
No permission to enable hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles,phys_processor_idx=0/ event.

Fixes: 220a0c609ad1 ("powerpc/perf: Add support for the hv gpci (get performance counter info) interface")
Reported-by: Akanksha J N <akanksha@linux.ibm.com>
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240229122847.101162-1-kjain@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/perf/hv-gpci.c | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c
index 28b770bbc10b4..2a054de80e50b 100644
--- a/arch/powerpc/perf/hv-gpci.c
+++ b/arch/powerpc/perf/hv-gpci.c
@@ -164,6 +164,20 @@ static unsigned long single_gpci_request(u32 req, u32 starting_index,
 
 	ret = plpar_hcall_norets(H_GET_PERF_COUNTER_INFO,
 			virt_to_phys(arg), HGPCI_REQ_BUFFER_SIZE);
+
+	/*
+	 * ret value as 'H_PARAMETER' with detail_rc as 'GEN_BUF_TOO_SMALL',
+	 * specifies that the current buffer size cannot accommodate
+	 * all the information and a partial buffer returned.
+	 * Since in this function we are only accessing data for a given starting index,
+	 * we don't need to accommodate whole data and can get required count by
+	 * accessing first entry data.
+	 * Hence hcall fails only incase the ret value is other than H_SUCCESS or
+	 * H_PARAMETER with detail_rc value as GEN_BUF_TOO_SMALL(0x1B).
+	 */
+	if (ret == H_PARAMETER && be32_to_cpu(arg->params.detail_rc) == 0x1B)
+		ret = 0;
+
 	if (ret) {
 		pr_devel("hcall failed: 0x%lx\n", ret);
 		goto out;
@@ -228,6 +242,7 @@ static int h_gpci_event_init(struct perf_event *event)
 {
 	u64 count;
 	u8 length;
+	unsigned long ret;
 
 	/* Not our event */
 	if (event->attr.type != event->pmu->type)
@@ -258,13 +273,23 @@ static int h_gpci_event_init(struct perf_event *event)
 	}
 
 	/* check if the request works... */
-	if (single_gpci_request(event_get_request(event),
+	ret = single_gpci_request(event_get_request(event),
 				event_get_starting_index(event),
 				event_get_secondary_index(event),
 				event_get_counter_info_version(event),
 				event_get_offset(event),
 				length,
-				&count)) {
+				&count);
+
+	/*
+	 * ret value as H_AUTHORITY implies that partition is not permitted to retrieve
+	 * performance information, and required to set
+	 * "Enable Performance Information Collection" option.
+	 */
+	if (ret == H_AUTHORITY)
+		return -EPERM;
+
+	if (ret) {
 		pr_devel("gpci hcall failed\n");
 		return -EINVAL;
 	}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 237/317] drm/msm/dpu: add division of drm_display_mode's hskew parameter
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (235 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 236/317] powerpc/hv-gpci: Fix the H_GET_PERF_COUNTER_INFO hcall return value checks Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 238/317] module: Add support for default value for module async_probe Sasha Levin
                   ` (82 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Paloma Arellano, Dmitry Baryshkov, Sasha Levin

From: Paloma Arellano <quic_parellan@quicinc.com>

[ Upstream commit 551ee0f210991d25f336bc27262353bfe99d3eed ]

Setting up the timing engine when the physical encoder has a split role
neglects dividing the drm_display_mode's hskew parameter. Let's fix this
since this must also be done in preparation for implementing YUV420 over
DP.

Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support")
Signed-off-by: Paloma Arellano <quic_parellan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/579605/
Link: https://lore.kernel.org/r/20240222194025.25329-3-quic_parellan@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 185379b185725..7c58e9ba71b77 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -267,12 +267,14 @@ static void dpu_encoder_phys_vid_setup_timing_engine(
 		mode.htotal >>= 1;
 		mode.hsync_start >>= 1;
 		mode.hsync_end >>= 1;
+		mode.hskew >>= 1;
 
 		DPU_DEBUG_VIDENC(phys_enc,
-			"split_role %d, halve horizontal %d %d %d %d\n",
+			"split_role %d, halve horizontal %d %d %d %d %d\n",
 			phys_enc->split_role,
 			mode.hdisplay, mode.htotal,
-			mode.hsync_start, mode.hsync_end);
+			mode.hsync_start, mode.hsync_end,
+			mode.hskew);
 	}
 
 	drm_mode_to_intf_timing_params(phys_enc, &mode, &timing_params);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 238/317] module: Add support for default value for module async_probe
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (236 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 237/317] drm/msm/dpu: add division of drm_display_mode's hskew parameter Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 239/317] modules: wait do_free_init correctly Sasha Levin
                   ` (81 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Saravana Kannan, Aaron Tomlin, Luis Chamberlain, Sasha Levin

From: Saravana Kannan <saravanak@google.com>

[ Upstream commit ae39e9ed964f8e450d0de410b5a757e19581dfc5 ]

Add a module.async_probe kernel command line option that allows enabling
async probing for all modules. When this command line option is used,
there might still be some modules for which we want to explicitly force
synchronous probing, so extend <modulename>.async_probe to take an
optional bool input so that async probing can be disabled for a specific
module.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Reviewed-by: Aaron Tomlin <atomlin@redhat.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Stable-dep-of: 8f8cd6c0a43e ("modules: wait do_free_init correctly")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 Documentation/admin-guide/kernel-parameters.txt | 17 +++++++++++++++--
 kernel/module.c                                 | 11 ++++++++++-
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 34b093e7f8910..c4c7273419bda 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1084,8 +1084,12 @@
 	nopku		[X86] Disable Memory Protection Keys CPU feature found
 			in some Intel CPUs.
 
-	<module>.async_probe [KNL]
-			Enable asynchronous probe on this module.
+	<module>.async_probe[=<bool>] [KNL]
+			If no <bool> value is specified or if the value
+			specified is not a valid <bool>, enable asynchronous
+			probe on this module.  Otherwise, enable/disable
+			asynchronous probe on this module as indicated by the
+			<bool> value. See also: module.async_probe
 
 	early_ioremap_debug [KNL]
 			Enable debug messages in early_ioremap support. This
@@ -3137,6 +3141,15 @@
 			For details see:
 			Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
 
+	module.async_probe=<bool>
+			[KNL] When set to true, modules will use async probing
+			by default. To enable/disable async probing for a
+			specific module, use the module specific control that
+			is documented under <module>.async_probe. When both
+			module.async_probe and <module>.async_probe are
+			specified, <module>.async_probe takes precedence for
+			the specific module.
+
 	module.sig_enforce
 			[KNL] When CONFIG_MODULE_SIG is set, this means that
 			modules without (valid) signatures will fail to load.
diff --git a/kernel/module.c b/kernel/module.c
index ba9f2bb57889c..d8d677f01adb5 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3713,6 +3713,12 @@ static void do_free_init(struct work_struct *w)
 	}
 }
 
+#undef MODULE_PARAM_PREFIX
+#define MODULE_PARAM_PREFIX "module."
+/* Default value for module->async_probe_requested */
+static bool async_probe;
+module_param(async_probe, bool, 0644);
+
 /*
  * This is where the real work happens.
  *
@@ -3943,7 +3949,8 @@ static int unknown_module_param_cb(char *param, char *val, const char *modname,
 	int ret;
 
 	if (strcmp(param, "async_probe") == 0) {
-		mod->async_probe_requested = true;
+		if (strtobool(val, &mod->async_probe_requested))
+			mod->async_probe_requested = true;
 		return 0;
 	}
 
@@ -4110,6 +4117,8 @@ static int load_module(struct load_info *info, const char __user *uargs,
 	if (err)
 		goto bug_cleanup;
 
+	mod->async_probe_requested = async_probe;
+
 	/* Module is ready to execute: parsing args may do that. */
 	after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp,
 				  -32768, 32767, mod,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 239/317] modules: wait do_free_init correctly
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (237 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 238/317] module: Add support for default value for module async_probe Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 240/317] powerpc/embedded6xx: Fix no previous prototype for avr_uart_send() etc Sasha Levin
                   ` (80 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Changbin Du, Eric Chanudet, Luis Chamberlain, Xiaoyi Su,
	Andrew Morton, Sasha Levin

From: Changbin Du <changbin.du@huawei.com>

[ Upstream commit 8f8cd6c0a43ed637e620bbe45a8d0e0c2f4d5130 ]

The synchronization here is to ensure the ordering of freeing of a module
init so that it happens before W+X checking.  It is worth noting it is not
that the freeing was not happening, it is just that our sanity checkers
raced against the permission checkers which assume init memory is already
gone.

Commit 1a7b7d922081 ("modules: Use vmalloc special flag") moved calling
do_free_init() into a global workqueue instead of relying on it being
called through call_rcu(..., do_free_init), which used to allowed us call
do_free_init() asynchronously after the end of a subsequent grace period.
The move to a global workqueue broke the gaurantees for code which needed
to be sure the do_free_init() would complete with rcu_barrier().  To fix
this callers which used to rely on rcu_barrier() must now instead use
flush_work(&init_free_wq).

Without this fix, we still could encounter false positive reports in W+X
checking since the rcu_barrier() here can not ensure the ordering now.

Even worse, the rcu_barrier() can introduce significant delay.  Eric
Chanudet reported that the rcu_barrier introduces ~0.1s delay on a
PREEMPT_RT kernel.

  [    0.291444] Freeing unused kernel memory: 5568K
  [    0.402442] Run /sbin/init as init process

With this fix, the above delay can be eliminated.

Link: https://lkml.kernel.org/r/20240227023546.2490667-1-changbin.du@huawei.com
Fixes: 1a7b7d922081 ("modules: Use vmalloc special flag")
Signed-off-by: Changbin Du <changbin.du@huawei.com>
Tested-by: Eric Chanudet <echanude@redhat.com>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Xiaoyi Su <suxiaoyi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/moduleloader.h | 8 ++++++++
 init/main.c                  | 5 +++--
 kernel/module.c              | 9 +++++++--
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h
index 1322652a9d0d9..7dc186ec52a29 100644
--- a/include/linux/moduleloader.h
+++ b/include/linux/moduleloader.h
@@ -95,6 +95,14 @@ int module_finalize(const Elf_Ehdr *hdr,
 		    const Elf_Shdr *sechdrs,
 		    struct module *mod);
 
+#ifdef CONFIG_MODULES
+void flush_module_init_free_work(void);
+#else
+static inline void flush_module_init_free_work(void)
+{
+}
+#endif
+
 /* Any cleanup needed when module leaves. */
 void module_arch_cleanup(struct module *mod);
 
diff --git a/init/main.c b/init/main.c
index 5c81d7fb2fe9c..f27e8510b1554 100644
--- a/init/main.c
+++ b/init/main.c
@@ -89,6 +89,7 @@
 #include <linux/sched/task_stack.h>
 #include <linux/context_tracking.h>
 #include <linux/random.h>
+#include <linux/moduleloader.h>
 #include <linux/list.h>
 #include <linux/integrity.h>
 #include <linux/proc_ns.h>
@@ -1464,11 +1465,11 @@ static void mark_readonly(void)
 	if (rodata_enabled) {
 		/*
 		 * load_module() results in W+X mappings, which are cleaned
-		 * up with call_rcu().  Let's make sure that queued work is
+		 * up with init_free_wq. Let's make sure that queued work is
 		 * flushed so that we don't hit false positives looking for
 		 * insecure pages which are W+X.
 		 */
-		rcu_barrier();
+		flush_module_init_free_work();
 		mark_rodata_ro();
 		rodata_test();
 	} else
diff --git a/kernel/module.c b/kernel/module.c
index d8d677f01adb5..4d49c32af570c 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3713,6 +3713,11 @@ static void do_free_init(struct work_struct *w)
 	}
 }
 
+void flush_module_init_free_work(void)
+{
+	flush_work(&init_free_wq);
+}
+
 #undef MODULE_PARAM_PREFIX
 #define MODULE_PARAM_PREFIX "module."
 /* Default value for module->async_probe_requested */
@@ -3803,8 +3808,8 @@ static noinline int do_init_module(struct module *mod)
 	 * Note that module_alloc() on most architectures creates W+X page
 	 * mappings which won't be cleaned up until do_free_init() runs.  Any
 	 * code such as mark_rodata_ro() which depends on those mappings to
-	 * be cleaned up needs to sync with the queued work - ie
-	 * rcu_barrier()
+	 * be cleaned up needs to sync with the queued work by invoking
+	 * flush_module_init_free_work().
 	 */
 	if (llist_add(&freeinit->node, &init_free_list))
 		schedule_work(&init_free_wq);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 240/317] powerpc/embedded6xx: Fix no previous prototype for avr_uart_send() etc.
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (238 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 239/317] modules: wait do_free_init correctly Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 241/317] leds: aw2013: Unlock mutex before destroying it Sasha Levin
                   ` (79 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Michael Ellerman, Sasha Levin

From: Michael Ellerman <mpe@ellerman.id.au>

[ Upstream commit 20933531be0577cdd782216858c26150dbc7936f ]

Move the prototypes into mpc10x.h which is included by all the relevant
C files, fixes:

  arch/powerpc/platforms/embedded6xx/ls_uart.c:59:6: error: no previous prototype for 'avr_uart_configure'
  arch/powerpc/platforms/embedded6xx/ls_uart.c:82:6: error: no previous prototype for 'avr_uart_send'

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240305123410.3306253-1-mpe@ellerman.id.au
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/platforms/embedded6xx/linkstation.c | 3 ---
 arch/powerpc/platforms/embedded6xx/mpc10x.h      | 3 +++
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/embedded6xx/linkstation.c b/arch/powerpc/platforms/embedded6xx/linkstation.c
index eb8342e7f84e9..ac3bd4a3216ce 100644
--- a/arch/powerpc/platforms/embedded6xx/linkstation.c
+++ b/arch/powerpc/platforms/embedded6xx/linkstation.c
@@ -100,9 +100,6 @@ static void __init linkstation_init_IRQ(void)
 	mpic_init(mpic);
 }
 
-extern void avr_uart_configure(void);
-extern void avr_uart_send(const char);
-
 static void __noreturn linkstation_restart(char *cmd)
 {
 	local_irq_disable();
diff --git a/arch/powerpc/platforms/embedded6xx/mpc10x.h b/arch/powerpc/platforms/embedded6xx/mpc10x.h
index 5ad12023e5628..ebc258fa4858d 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc10x.h
+++ b/arch/powerpc/platforms/embedded6xx/mpc10x.h
@@ -156,4 +156,7 @@ int mpc10x_disable_store_gathering(struct pci_controller *hose);
 /* For MPC107 boards that use the built-in openpic */
 void mpc10x_set_openpic(void);
 
+void avr_uart_configure(void);
+void avr_uart_send(const char c);
+
 #endif	/* __PPC_KERNEL_MPC10X_H */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 241/317] leds: aw2013: Unlock mutex before destroying it
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (239 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 240/317] powerpc/embedded6xx: Fix no previous prototype for avr_uart_send() etc Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 242/317] leds: sgm3140: Add missing timer cleanup and flash gpio control Sasha Levin
                   ` (78 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: George Stark, Andy Shevchenko, Lee Jones, Sasha Levin

From: George Stark <gnstark@salutedevices.com>

[ Upstream commit 6969d0a2ba1adc9ba6a49b9805f24080896c255c ]

In the probe() callback in case of error mutex is destroyed being locked
which is not allowed so unlock the mutex before destroying.

Fixes: 59ea3c9faf32 ("leds: add aw2013 driver")
Signed-off-by: George Stark <gnstark@salutedevices.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231214173614.2820929-2-gnstark@salutedevices.com
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/leds/leds-aw2013.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/leds/leds-aw2013.c b/drivers/leds/leds-aw2013.c
index 80d937454aeef..f7d9795ce5e1f 100644
--- a/drivers/leds/leds-aw2013.c
+++ b/drivers/leds/leds-aw2013.c
@@ -397,6 +397,7 @@ static int aw2013_probe(struct i2c_client *client)
 	regulator_disable(chip->vcc_regulator);
 
 error:
+	mutex_unlock(&chip->mutex);
 	mutex_destroy(&chip->mutex);
 	return ret;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 242/317] leds: sgm3140: Add missing timer cleanup and flash gpio control
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (240 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 241/317] leds: aw2013: Unlock mutex before destroying it Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 243/317] backlight: lm3630a: Initialize backlight_properties on init Sasha Levin
                   ` (77 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Ondrej Jirman, Lee Jones, Sasha Levin

From: Ondrej Jirman <megi@xff.cz>

[ Upstream commit 205c29887a333ee4b37596e6533373e38cb23947 ]

Enabling strobe and then setting brightness to 0 causes the driver to enter
invalid state after strobe end timer fires. We should cancel strobe mode
resources when changing brightness (aka torch mode).

Fixes: cef8ec8cbd21 ("leds: add sgm3140 driver")
Signed-off-by: Ondrej Jirman <megi@xff.cz>
Link: https://lore.kernel.org/r/20240217191133.1757553-1-megi@xff.cz
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/leds/flash/leds-sgm3140.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/leds/flash/leds-sgm3140.c b/drivers/leds/flash/leds-sgm3140.c
index f4f831570f11c..e72017b11098b 100644
--- a/drivers/leds/flash/leds-sgm3140.c
+++ b/drivers/leds/flash/leds-sgm3140.c
@@ -114,8 +114,11 @@ static int sgm3140_brightness_set(struct led_classdev *led_cdev,
 				"failed to enable regulator: %d\n", ret);
 			return ret;
 		}
+		gpiod_set_value_cansleep(priv->flash_gpio, 0);
 		gpiod_set_value_cansleep(priv->enable_gpio, 1);
 	} else {
+		del_timer_sync(&priv->powerdown_timer);
+		gpiod_set_value_cansleep(priv->flash_gpio, 0);
 		gpiod_set_value_cansleep(priv->enable_gpio, 0);
 		ret = regulator_disable(priv->vin_regulator);
 		if (ret) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 243/317] backlight: lm3630a: Initialize backlight_properties on init
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (241 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 242/317] leds: sgm3140: Add missing timer cleanup and flash gpio control Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 244/317] backlight: lm3630a: Don't set bl->props.brightness in get_brightness Sasha Levin
                   ` (76 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Luca Weiss, Daniel Thompson, Lee Jones, Sasha Levin

From: Luca Weiss <luca@z3ntu.xyz>

[ Upstream commit ad9aeb0e3aa90ebdad5fabf9c21783740eb95907 ]

The backlight_properties struct should be initialized to zero before
using, otherwise there will be some random values in the struct.

Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240220-lm3630a-fixups-v1-1-9ca62f7e4a33@z3ntu.xyz
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/video/backlight/lm3630a_bl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index e8b185bb6f5ee..371c633f1e629 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -339,6 +339,7 @@ static int lm3630a_backlight_register(struct lm3630a_chip *pchip)
 	struct backlight_properties props;
 	const char *label;
 
+	memset(&props, 0, sizeof(struct backlight_properties));
 	props.type = BACKLIGHT_RAW;
 	if (pdata->leda_ctrl != LM3630A_LEDA_DISABLE) {
 		props.brightness = pdata->leda_init_brt;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 244/317] backlight: lm3630a: Don't set bl->props.brightness in get_brightness
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (242 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 243/317] backlight: lm3630a: Initialize backlight_properties on init Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 245/317] backlight: da9052: Fully initialize backlight_properties during probe Sasha Levin
                   ` (75 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Luca Weiss, Daniel Thompson, Lee Jones, Sasha Levin

From: Luca Weiss <luca@z3ntu.xyz>

[ Upstream commit 4bf7ddd2d2f0f8826f25f74c7eba4e2c323a1446 ]

There's no need to set bl->props.brightness, the get_brightness function
is just supposed to return the current brightness and not touch the
struct.

With that done we can also remove the 'goto out' and just return the
value.

Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240220-lm3630a-fixups-v1-2-9ca62f7e4a33@z3ntu.xyz
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/video/backlight/lm3630a_bl.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 371c633f1e629..a15102bf21365 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -231,7 +231,7 @@ static int lm3630a_bank_a_get_brightness(struct backlight_device *bl)
 		if (rval < 0)
 			goto out_i2c_err;
 		brightness |= rval;
-		goto out;
+		return brightness;
 	}
 
 	/* disable sleep */
@@ -242,11 +242,8 @@ static int lm3630a_bank_a_get_brightness(struct backlight_device *bl)
 	rval = lm3630a_read(pchip, REG_BRT_A);
 	if (rval < 0)
 		goto out_i2c_err;
-	brightness = rval;
+	return rval;
 
-out:
-	bl->props.brightness = brightness;
-	return bl->props.brightness;
 out_i2c_err:
 	dev_err(pchip->dev, "i2c failed to access register\n");
 	return 0;
@@ -306,7 +303,7 @@ static int lm3630a_bank_b_get_brightness(struct backlight_device *bl)
 		if (rval < 0)
 			goto out_i2c_err;
 		brightness |= rval;
-		goto out;
+		return brightness;
 	}
 
 	/* disable sleep */
@@ -317,11 +314,8 @@ static int lm3630a_bank_b_get_brightness(struct backlight_device *bl)
 	rval = lm3630a_read(pchip, REG_BRT_B);
 	if (rval < 0)
 		goto out_i2c_err;
-	brightness = rval;
+	return rval;
 
-out:
-	bl->props.brightness = brightness;
-	return bl->props.brightness;
 out_i2c_err:
 	dev_err(pchip->dev, "i2c failed to access register\n");
 	return 0;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 245/317] backlight: da9052: Fully initialize backlight_properties during probe
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (243 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 244/317] backlight: lm3630a: Don't set bl->props.brightness in get_brightness Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 246/317] backlight: lm3639: " Sasha Levin
                   ` (74 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Daniel Thompson, Lee Jones, Sasha Levin

From: Daniel Thompson <daniel.thompson@linaro.org>

[ Upstream commit 0285e9efaee8276305db5c52a59baf84e9731556 ]

props is stack allocated and the fields that are not explcitly set
by the probe function need to be zeroed or we'll get undefined behaviour
(especially so power/blank states)!

Fixes: 6ede3d832aaa ("backlight: add driver for DA9052/53 PMIC v1")
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240220153532.76613-2-daniel.thompson@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/video/backlight/da9052_bl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c
index 882359dd288c0..aa00379392a0f 100644
--- a/drivers/video/backlight/da9052_bl.c
+++ b/drivers/video/backlight/da9052_bl.c
@@ -117,6 +117,7 @@ static int da9052_backlight_probe(struct platform_device *pdev)
 	wleds->led_reg = platform_get_device_id(pdev)->driver_data;
 	wleds->state = DA9052_WLEDS_OFF;
 
+	memset(&props, 0, sizeof(struct backlight_properties));
 	props.type = BACKLIGHT_RAW;
 	props.max_brightness = DA9052_MAX_BRIGHTNESS;
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 246/317] backlight: lm3639: Fully initialize backlight_properties during probe
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (244 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 245/317] backlight: da9052: Fully initialize backlight_properties during probe Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 247/317] backlight: lp8788: " Sasha Levin
                   ` (73 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Daniel Thompson, Lee Jones, Sasha Levin

From: Daniel Thompson <daniel.thompson@linaro.org>

[ Upstream commit abb5a5d951fbea3feb5c4ba179b89bb96a1d3462 ]

props is stack allocated and the fields that are not explcitly set
by the probe function need to be zeroed or we'll get undefined behaviour
(especially so power/blank states)!

Fixes: 0f59858d5119 ("backlight: add new lm3639 backlight driver")
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240220153532.76613-3-daniel.thompson@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/video/backlight/lm3639_bl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c
index 48c04155a5f9d..bb617f4673e94 100644
--- a/drivers/video/backlight/lm3639_bl.c
+++ b/drivers/video/backlight/lm3639_bl.c
@@ -339,6 +339,7 @@ static int lm3639_probe(struct i2c_client *client,
 	}
 
 	/* backlight */
+	memset(&props, 0, sizeof(struct backlight_properties));
 	props.type = BACKLIGHT_RAW;
 	props.brightness = pdata->init_brt_led;
 	props.max_brightness = pdata->max_brt_led;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 247/317] backlight: lp8788: Fully initialize backlight_properties during probe
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (245 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 246/317] backlight: lm3639: " Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 248/317] arch/powerpc: Remove <linux/fb.h> from backlight code Sasha Levin
                   ` (72 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Daniel Thompson, Lee Jones, Sasha Levin

From: Daniel Thompson <daniel.thompson@linaro.org>

[ Upstream commit 392346827fbe8a7fd573dfb145170d7949f639a6 ]

props is stack allocated and the fields that are not explcitly set
by the probe function need to be zeroed or we'll get undefined behaviour
(especially so power/blank states)!

Fixes: c5a51053cf3b ("backlight: add new lp8788 backlight driver")
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240220153532.76613-4-daniel.thompson@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/video/backlight/lp8788_bl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c
index ba42f3fe0c739..d9b95dbd40d30 100644
--- a/drivers/video/backlight/lp8788_bl.c
+++ b/drivers/video/backlight/lp8788_bl.c
@@ -191,6 +191,7 @@ static int lp8788_backlight_register(struct lp8788_bl *bl)
 	int init_brt;
 	char *name;
 
+	memset(&props, 0, sizeof(struct backlight_properties));
 	props.type = BACKLIGHT_PLATFORM;
 	props.max_brightness = MAX_BRIGHTNESS;
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 248/317] arch/powerpc: Remove <linux/fb.h> from backlight code
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (246 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 247/317] backlight: lp8788: " Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 249/317] sparc32: Fix section mismatch in leon_pci_grpci Sasha Levin
                   ` (71 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Thomas Zimmermann, Jani Nikula, Michael Ellerman, Sasha Levin

From: Thomas Zimmermann <tzimmermann@suse.de>

[ Upstream commit 838f865802b9f26135ea7df4e30f89ac2f50c23e ]

Replace <linux/fb.h> with a forward declaration in <asm/backlight.h> to
resolve an unnecessary dependency. Remove pmac_backlight_curve_lookup()
and struct fb_info from source and header files. The function and the
framebuffer struct are unused. No functional changes.

v3:
	* Add Fixes tag (Christophe)
	* fix typos in commit message (Jani)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: d565dd3b0824 ("[PATCH] powerpc: More via-pmu backlight fixes")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> # (powerpc)
Link: https://patchwork.freedesktop.org/patch/msgid/20240306122935.10626-4-tzimmermann@suse.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/powerpc/include/asm/backlight.h        |  5 ++--
 arch/powerpc/platforms/powermac/backlight.c | 26 ---------------------
 2 files changed, 2 insertions(+), 29 deletions(-)

diff --git a/arch/powerpc/include/asm/backlight.h b/arch/powerpc/include/asm/backlight.h
index 1b5eab62ed047..061a910d74929 100644
--- a/arch/powerpc/include/asm/backlight.h
+++ b/arch/powerpc/include/asm/backlight.h
@@ -10,15 +10,14 @@
 #define __ASM_POWERPC_BACKLIGHT_H
 #ifdef __KERNEL__
 
-#include <linux/fb.h>
 #include <linux/mutex.h>
 
+struct backlight_device;
+
 /* For locking instructions, see the implementation file */
 extern struct backlight_device *pmac_backlight;
 extern struct mutex pmac_backlight_mutex;
 
-extern int pmac_backlight_curve_lookup(struct fb_info *info, int value);
-
 extern int pmac_has_backlight_type(const char *type);
 
 extern void pmac_backlight_key(int direction);
diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c
index 32224cb489d75..eab339d2059d5 100644
--- a/arch/powerpc/platforms/powermac/backlight.c
+++ b/arch/powerpc/platforms/powermac/backlight.c
@@ -9,7 +9,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/fb.h>
 #include <linux/backlight.h>
 #include <linux/adb.h>
 #include <linux/pmu.h>
@@ -73,31 +72,6 @@ int pmac_has_backlight_type(const char *type)
 	return 0;
 }
 
-int pmac_backlight_curve_lookup(struct fb_info *info, int value)
-{
-	int level = (FB_BACKLIGHT_LEVELS - 1);
-
-	if (info && info->bl_dev) {
-		int i, max = 0;
-
-		/* Look for biggest value */
-		for (i = 0; i < FB_BACKLIGHT_LEVELS; i++)
-			max = max((int)info->bl_curve[i], max);
-
-		/* Look for nearest value */
-		for (i = 0; i < FB_BACKLIGHT_LEVELS; i++) {
-			int diff = abs(info->bl_curve[i] - value);
-			if (diff < max) {
-				max = diff;
-				level = i;
-			}
-		}
-
-	}
-
-	return level;
-}
-
 static void pmac_backlight_key_worker(struct work_struct *work)
 {
 	if (atomic_read(&kernel_backlight_disabled))
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 249/317] sparc32: Fix section mismatch in leon_pci_grpci
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (247 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 248/317] arch/powerpc: Remove <linux/fb.h> from backlight code Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 250/317] clk: Fix clk_core_get NULL dereference Sasha Levin
                   ` (70 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Sam Ravnborg, David S. Miller, Andreas Larsson, Randy Dunlap,
	Sasha Levin

From: Sam Ravnborg <sam@ravnborg.org>

[ Upstream commit 24338a6ae13cb743ced77da1b3a12c83f08a0c96 ]

Passing a datastructre marked _initconst to platform_driver_register()
is wrong. Drop the __initconst notation.

This fixes the following warnings:

WARNING: modpost: vmlinux: section mismatch in reference: grpci1_of_driver+0x30 (section: .data) -> grpci1_of_match (section: .init.rodata)
WARNING: modpost: vmlinux: section mismatch in reference: grpci2_of_driver+0x30 (section: .data) -> grpci2_of_match (section: .init.rodata)

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Andreas Larsson <andreas@gaisler.com>
Fixes: 4154bb821f0b ("sparc: leon: grpci1: constify of_device_id")
Fixes: 03949b1cb9f1 ("sparc: leon: grpci2: constify of_device_id")
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Tested-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Link: https://lore.kernel.org/r/20240224-sam-fix-sparc32-all-builds-v2-7-1f186603c5c4@ravnborg.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/sparc/kernel/leon_pci_grpci1.c | 2 +-
 arch/sparc/kernel/leon_pci_grpci2.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c
index e6935d0ac1ec9..c32590bdd3120 100644
--- a/arch/sparc/kernel/leon_pci_grpci1.c
+++ b/arch/sparc/kernel/leon_pci_grpci1.c
@@ -696,7 +696,7 @@ static int grpci1_of_probe(struct platform_device *ofdev)
 	return err;
 }
 
-static const struct of_device_id grpci1_of_match[] __initconst = {
+static const struct of_device_id grpci1_of_match[] = {
 	{
 	 .name = "GAISLER_PCIFBRG",
 	 },
diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c
index ca22f93d90454..dd06abc61657f 100644
--- a/arch/sparc/kernel/leon_pci_grpci2.c
+++ b/arch/sparc/kernel/leon_pci_grpci2.c
@@ -887,7 +887,7 @@ static int grpci2_of_probe(struct platform_device *ofdev)
 	return err;
 }
 
-static const struct of_device_id grpci2_of_match[] __initconst = {
+static const struct of_device_id grpci2_of_match[] = {
 	{
 	 .name = "GAISLER_GRPCI2",
 	 },
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 250/317] clk: Fix clk_core_get NULL dereference
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (248 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 249/317] sparc32: Fix section mismatch in leon_pci_grpci Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 251/317] clk: zynq: Prevent null pointer dereference caused by kmalloc failure Sasha Levin
                   ` (69 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Bryan O'Donoghue, Stephen Boyd, Sasha Levin

From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>

[ Upstream commit e97fe4901e0f59a0bfd524578fe3768f8ca42428 ]

It is possible for clk_core_get to dereference a NULL in the following
sequence:

clk_core_get()
    of_clk_get_hw_from_clkspec()
        __of_clk_get_hw_from_provider()
            __clk_get_hw()

__clk_get_hw() can return NULL which is dereferenced by clk_core_get() at
hw->core.

Prior to commit dde4eff47c82 ("clk: Look for parents with clkdev based
clk_lookups") the check IS_ERR_OR_NULL() was performed which would have
caught the NULL.

Reading the description of this function it talks about returning NULL but
that cannot be so at the moment.

Update the function to check for hw before dereferencing it and return NULL
if hw is NULL.

Fixes: dde4eff47c82 ("clk: Look for parents with clkdev based clk_lookups")
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20240302-linux-next-24-03-01-simple-clock-fixes-v1-1-25f348a5982b@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/clk.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index bf9057a8fbf06..84397af4fb336 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -425,6 +425,9 @@ static struct clk_core *clk_core_get(struct clk_core *core, u8 p_index)
 	if (IS_ERR(hw))
 		return ERR_CAST(hw);
 
+	if (!hw)
+		return NULL;
+
 	return hw->core;
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 251/317] clk: zynq: Prevent null pointer dereference caused by kmalloc failure
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (249 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 250/317] clk: Fix clk_core_get NULL dereference Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 252/317] ALSA: hda/realtek: fix ALC285 issues on HP Envy x360 laptops Sasha Levin
                   ` (68 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Duoming Zhou, Michal Simek, Stephen Boyd, Sasha Levin

From: Duoming Zhou <duoming@zju.edu.cn>

[ Upstream commit 7938e9ce39d6779d2f85d822cc930f73420e54a6 ]

The kmalloc() in zynq_clk_setup() will return null if the
physical memory has run out. As a result, if we use snprintf()
to write data to the null address, the null pointer dereference
bug will happen.

This patch uses a stack variable to replace the kmalloc().

Fixes: 0ee52b157b8e ("clk: zynq: Add clock controller driver")
Suggested-by: Michal Simek <michal.simek@amd.com>
Suggested-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Link: https://lore.kernel.org/r/20240301084437.16084-1-duoming@zju.edu.cn
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/clk/zynq/clkc.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c
index 204b83d911b90..c615664505a55 100644
--- a/drivers/clk/zynq/clkc.c
+++ b/drivers/clk/zynq/clkc.c
@@ -42,6 +42,7 @@ static void __iomem *zynq_clkc_base;
 #define SLCR_SWDT_CLK_SEL		(zynq_clkc_base + 0x204)
 
 #define NUM_MIO_PINS	54
+#define CLK_NAME_LEN	16
 
 #define DBG_CLK_CTRL_CLKACT_TRC		BIT(0)
 #define DBG_CLK_CTRL_CPU_1XCLKACT	BIT(1)
@@ -215,7 +216,7 @@ static void __init zynq_clk_setup(struct device_node *np)
 	int i;
 	u32 tmp;
 	int ret;
-	char *clk_name;
+	char clk_name[CLK_NAME_LEN];
 	unsigned int fclk_enable = 0;
 	const char *clk_output_name[clk_max];
 	const char *cpu_parents[4];
@@ -425,12 +426,10 @@ static void __init zynq_clk_setup(struct device_node *np)
 			"gem1_emio_mux", CLK_SET_RATE_PARENT,
 			SLCR_GEM1_CLK_CTRL, 0, 0, &gem1clk_lock);
 
-	tmp = strlen("mio_clk_00x");
-	clk_name = kmalloc(tmp, GFP_KERNEL);
 	for (i = 0; i < NUM_MIO_PINS; i++) {
 		int idx;
 
-		snprintf(clk_name, tmp, "mio_clk_%2.2d", i);
+		snprintf(clk_name, CLK_NAME_LEN, "mio_clk_%2.2d", i);
 		idx = of_property_match_string(np, "clock-names", clk_name);
 		if (idx >= 0)
 			can_mio_mux_parents[i] = of_clk_get_parent_name(np,
@@ -438,7 +437,6 @@ static void __init zynq_clk_setup(struct device_node *np)
 		else
 			can_mio_mux_parents[i] = dummy_nm;
 	}
-	kfree(clk_name);
 	clk_register_mux(NULL, "can_mux", periph_parents, 4,
 			CLK_SET_RATE_NO_REPARENT, SLCR_CAN_CLK_CTRL, 4, 2, 0,
 			&canclk_lock);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 252/317] ALSA: hda/realtek: fix ALC285 issues on HP Envy x360 laptops
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (250 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 251/317] clk: zynq: Prevent null pointer dereference caused by kmalloc failure Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 253/317] ALSA: usb-audio: Stop parsing channels bits when all channels are found Sasha Levin
                   ` (67 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Athaariq Ardhiansyah, Takashi Iwai, Sasha Levin

From: Athaariq Ardhiansyah <foss@athaariq.my.id>

[ Upstream commit c062166995c9e57d5cd508b332898f79da319802 ]

Realtek codec on HP Envy laptop series are heavily modified by vendor.
Therefore, need intervention to make it work properly. The patch fixes:

- B&O soundbar speakers (between lid and keyboard) activation
- Enable LED on mute button
- Add missing process coefficient which affects the output amplifier
- Volume control synchronization between B&O soundbar and side speakers
- Unmute headset output on several HP Envy models
- Auto-enable headset mic when plugged

This patch was tested on HP Envy x360 13-AR0107AU with Realtek ALC285

The only unsolved problem is output amplifier of all built-in speakers
is too weak, which causes volume of built-in speakers cannot be loud
as vendor's proprietary driver due to missing _DSD parameter in the
firmware. The solution is currently on research. Expected to has another
patch in the future.

Potential fix to related issues, need test before close those issues:

- https://bugzilla.kernel.org/show_bug.cgi?id=189331
- https://bugzilla.kernel.org/show_bug.cgi?id=216632
- https://bugzilla.kernel.org/show_bug.cgi?id=216311
- https://bugzilla.kernel.org/show_bug.cgi?id=213507

Signed-off-by: Athaariq Ardhiansyah <foss@athaariq.my.id>
Message-ID: <20240310140249.3695-1-foss@athaariq.my.id>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/pci/hda/patch_realtek.c | 63 +++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 3a86f0fd78278..200d0b953d3b2 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6670,6 +6670,60 @@ static void alc285_fixup_hp_spectre_x360(struct hda_codec *codec,
 	}
 }
 
+static void alc285_fixup_hp_envy_x360(struct hda_codec *codec,
+				      const struct hda_fixup *fix,
+				      int action)
+{
+	static const struct coef_fw coefs[] = {
+		WRITE_COEF(0x08, 0x6a0c), WRITE_COEF(0x0d, 0xa023),
+		WRITE_COEF(0x10, 0x0320), WRITE_COEF(0x1a, 0x8c03),
+		WRITE_COEF(0x25, 0x1800), WRITE_COEF(0x26, 0x003a),
+		WRITE_COEF(0x28, 0x1dfe), WRITE_COEF(0x29, 0xb014),
+		WRITE_COEF(0x2b, 0x1dfe), WRITE_COEF(0x37, 0xfe15),
+		WRITE_COEF(0x38, 0x7909), WRITE_COEF(0x45, 0xd489),
+		WRITE_COEF(0x46, 0x00f4), WRITE_COEF(0x4a, 0x21e0),
+		WRITE_COEF(0x66, 0x03f0), WRITE_COEF(0x67, 0x1000),
+		WRITE_COEF(0x6e, 0x1005), { }
+	};
+
+	static const struct hda_pintbl pincfgs[] = {
+		{ 0x12, 0xb7a60130 },  /* Internal microphone*/
+		{ 0x14, 0x90170150 },  /* B&O soundbar speakers */
+		{ 0x17, 0x90170153 },  /* Side speakers */
+		{ 0x19, 0x03a11040 },  /* Headset microphone */
+		{ }
+	};
+
+	switch (action) {
+	case HDA_FIXUP_ACT_PRE_PROBE:
+		snd_hda_apply_pincfgs(codec, pincfgs);
+
+		/* Fixes volume control problem for side speakers */
+		alc295_fixup_disable_dac3(codec, fix, action);
+
+		/* Fixes no sound from headset speaker */
+		snd_hda_codec_amp_stereo(codec, 0x21, HDA_OUTPUT, 0, -1, 0);
+
+		/* Auto-enable headset mic when plugged */
+		snd_hda_jack_set_gating_jack(codec, 0x19, 0x21);
+
+		/* Headset mic volume enhancement */
+		snd_hda_codec_set_pin_target(codec, 0x19, PIN_VREF50);
+		break;
+	case HDA_FIXUP_ACT_INIT:
+		alc_process_coef_fw(codec, coefs);
+		break;
+	case HDA_FIXUP_ACT_BUILD:
+		rename_ctl(codec, "Bass Speaker Playback Volume",
+			   "B&O-Tuned Playback Volume");
+		rename_ctl(codec, "Front Playback Switch",
+			   "B&O Soundbar Playback Switch");
+		rename_ctl(codec, "Bass Speaker Playback Switch",
+			   "Side Speaker Playback Switch");
+		break;
+	}
+}
+
 /* for hda_fixup_thinkpad_acpi() */
 #include "thinkpad_helper.c"
 
@@ -6877,6 +6931,7 @@ enum {
 	ALC280_FIXUP_HP_9480M,
 	ALC245_FIXUP_HP_X360_AMP,
 	ALC285_FIXUP_HP_SPECTRE_X360_EB1,
+	ALC285_FIXUP_HP_ENVY_X360,
 	ALC288_FIXUP_DELL_HEADSET_MODE,
 	ALC288_FIXUP_DELL1_MIC_NO_PRESENCE,
 	ALC288_FIXUP_DELL_XPS_13,
@@ -8679,6 +8734,12 @@ static const struct hda_fixup alc269_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc285_fixup_hp_spectre_x360_eb1
 	},
+	[ALC285_FIXUP_HP_ENVY_X360] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc285_fixup_hp_envy_x360,
+		.chained = true,
+		.chain_id = ALC285_FIXUP_HP_GPIO_AMP_INIT,
+	},
 	[ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc285_fixup_ideapad_s740_coef,
@@ -9066,6 +9127,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x84e7, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3),
 	SND_PCI_QUIRK(0x103c, 0x8519, "HP Spectre x360 15-df0xxx", ALC285_FIXUP_HP_SPECTRE_X360),
 	SND_PCI_QUIRK(0x103c, 0x8537, "HP ProBook 440 G6", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
+	SND_PCI_QUIRK(0x103c, 0x85de, "HP Envy x360 13-ar0xxx", ALC285_FIXUP_HP_ENVY_X360),
 	SND_PCI_QUIRK(0x103c, 0x860f, "HP ZBook 15 G6", ALC285_FIXUP_HP_GPIO_AMP_INIT),
 	SND_PCI_QUIRK(0x103c, 0x861f, "HP Elite Dragonfly G1", ALC285_FIXUP_HP_GPIO_AMP_INIT),
 	SND_PCI_QUIRK(0x103c, 0x869d, "HP", ALC236_FIXUP_HP_MUTE_LED),
@@ -9600,6 +9662,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = {
 	{.id = ALC295_FIXUP_HP_OMEN, .name = "alc295-hp-omen"},
 	{.id = ALC285_FIXUP_HP_SPECTRE_X360, .name = "alc285-hp-spectre-x360"},
 	{.id = ALC285_FIXUP_HP_SPECTRE_X360_EB1, .name = "alc285-hp-spectre-x360-eb1"},
+	{.id = ALC285_FIXUP_HP_ENVY_X360, .name = "alc285-hp-envy-x360"},
 	{.id = ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP, .name = "alc287-ideapad-bass-spk-amp"},
 	{.id = ALC623_FIXUP_LENOVO_THINKSTATION_P340, .name = "alc623-lenovo-thinkstation-p340"},
 	{.id = ALC255_FIXUP_ACER_HEADPHONE_AND_MIC, .name = "alc255-acer-headphone-and-mic"},
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 253/317] ALSA: usb-audio: Stop parsing channels bits when all channels are found.
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (251 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 252/317] ALSA: hda/realtek: fix ALC285 issues on HP Envy x360 laptops Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 254/317] RDMA/srpt: Do not register event handler until srpt device is fully setup Sasha Levin
                   ` (66 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Johan Carlsson, Takashi Iwai, Sasha Levin

From: Johan Carlsson <johan.carlsson@teenage.engineering>

[ Upstream commit a39d51ff1f52cd0b6fe7d379ac93bd8b4237d1b7 ]

If a usb audio device sets more bits than the amount of channels
it could write outside of the map array.

Signed-off-by: Johan Carlsson <johan.carlsson@teenage.engineering>
Fixes: 04324ccc75f9 ("ALSA: usb-audio: add channel map support")
Message-ID: <20240313081509.9801-1-johan.carlsson@teenage.engineering>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/usb/stream.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index 3d4add94e367d..d5409f3879455 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -300,9 +300,12 @@ static struct snd_pcm_chmap_elem *convert_chmap(int channels, unsigned int bits,
 	c = 0;
 
 	if (bits) {
-		for (; bits && *maps; maps++, bits >>= 1)
+		for (; bits && *maps; maps++, bits >>= 1) {
 			if (bits & 1)
 				chmap->map[c++] = *maps;
+			if (c == chmap->channels)
+				break;
+		}
 	} else {
 		/* If we're missing wChannelConfig, then guess something
 		    to make sure the channel map is not skipped entirely */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 254/317] RDMA/srpt: Do not register event handler until srpt device is fully setup
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (252 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 253/317] ALSA: usb-audio: Stop parsing channels bits when all channels are found Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 255/317] f2fs: multidevice: support direct IO Sasha Levin
                   ` (65 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: William Kucharski, Bart Van Assche, Leon Romanovsky, Sasha Levin

From: William Kucharski <william.kucharski@oracle.com>

[ Upstream commit c21a8870c98611e8f892511825c9607f1e2cd456 ]

Upon rare occasions, KASAN reports a use-after-free Write
in srpt_refresh_port().

This seems to be because an event handler is registered before the
srpt device is fully setup and a race condition upon error may leave a
partially setup event handler in place.

Instead, only register the event handler after srpt device initialization
is complete.

Fixes: a42d985bd5b2 ("ib_srpt: Initial SRP Target merge for v3.3-rc1")
Signed-off-by: William Kucharski <william.kucharski@oracle.com>
Link: https://lore.kernel.org/r/20240202091549.991784-2-william.kucharski@oracle.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/ulp/srpt/ib_srpt.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 60f9c612eb3c3..1b44ce0ac991c 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -3209,7 +3209,6 @@ static int srpt_add_one(struct ib_device *device)
 
 	INIT_IB_EVENT_HANDLER(&sdev->event_handler, sdev->device,
 			      srpt_event_handler);
-	ib_register_event_handler(&sdev->event_handler);
 
 	for (i = 1; i <= sdev->device->phys_port_cnt; i++) {
 		sport = &sdev->port[i - 1];
@@ -3232,6 +3231,7 @@ static int srpt_add_one(struct ib_device *device)
 		}
 	}
 
+	ib_register_event_handler(&sdev->event_handler);
 	spin_lock(&srpt_dev_lock);
 	list_add_tail(&sdev->list, &srpt_dev_list);
 	spin_unlock(&srpt_dev_lock);
@@ -3242,7 +3242,6 @@ static int srpt_add_one(struct ib_device *device)
 
 err_port:
 	srpt_unregister_mad_agent(sdev, i);
-	ib_unregister_event_handler(&sdev->event_handler);
 err_cm:
 	if (sdev->cm_id)
 		ib_destroy_cm_id(sdev->cm_id);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 255/317] f2fs: multidevice: support direct IO
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (253 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 254/317] RDMA/srpt: Do not register event handler until srpt device is fully setup Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 256/317] f2fs: invalidate META_MAPPING before IPU/DIO write Sasha Levin
                   ` (64 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Chao Yu, Jaegeuk Kim, Sasha Levin

From: Chao Yu <chao@kernel.org>

[ Upstream commit 71f2c8206202584c644eef5ca7efe91fc8305c1f ]

Commit 3c62be17d4f5 ("f2fs: support multiple devices") missed
to support direct IO for multiple device feature, this patch
adds to support the missing part of multidevice feature.

In addition, for multiple device image, we should be aware of
any issued direct write IO rather than just buffered write IO,
so that fsync and syncfs can issue a preflush command to the
device where direct write IO goes, to persist user data for
posix compliant.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: fd244524c2cf ("f2fs: compress: fix to cover normal cluster write with cp_rwsem")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/data.c              | 57 +++++++++++++++++++++++++++++++++++--
 fs/f2fs/f2fs.h              | 25 ++++++++++++++--
 fs/f2fs/segment.c           | 35 ++++++++++++++---------
 fs/f2fs/super.c             |  7 +++++
 include/trace/events/f2fs.h | 21 ++++++++++----
 5 files changed, 120 insertions(+), 25 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 5766a9f0773b1..e005f97fd273e 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1468,10 +1468,15 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 	struct extent_info ei = {0, };
 	block_t blkaddr;
 	unsigned int start_pgofs;
+	int bidx = 0;
 
 	if (!maxblocks)
 		return 0;
 
+	map->m_bdev = inode->i_sb->s_bdev;
+	map->m_multidev_dio =
+		f2fs_allow_multi_device_dio(F2FS_I_SB(inode), flag);
+
 	map->m_len = 0;
 	map->m_flags = 0;
 
@@ -1494,6 +1499,21 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 		if (flag == F2FS_GET_BLOCK_DIO)
 			f2fs_wait_on_block_writeback_range(inode,
 						map->m_pblk, map->m_len);
+
+		if (map->m_multidev_dio) {
+			block_t blk_addr = map->m_pblk;
+
+			bidx = f2fs_target_device_index(sbi, map->m_pblk);
+
+			map->m_bdev = FDEV(bidx).bdev;
+			map->m_pblk -= FDEV(bidx).start_blk;
+			map->m_len = min(map->m_len,
+				FDEV(bidx).end_blk + 1 - map->m_pblk);
+
+			if (map->m_may_create)
+				f2fs_update_device_state(sbi, inode->i_ino,
+							blk_addr, map->m_len);
+		}
 		goto out;
 	}
 
@@ -1612,6 +1632,9 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 	if (flag == F2FS_GET_BLOCK_PRE_AIO)
 		goto skip;
 
+	if (map->m_multidev_dio)
+		bidx = f2fs_target_device_index(sbi, blkaddr);
+
 	if (map->m_len == 0) {
 		/* preallocated unwritten block should be mapped for fiemap. */
 		if (blkaddr == NEW_ADDR)
@@ -1620,10 +1643,15 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 
 		map->m_pblk = blkaddr;
 		map->m_len = 1;
+
+		if (map->m_multidev_dio)
+			map->m_bdev = FDEV(bidx).bdev;
 	} else if ((map->m_pblk != NEW_ADDR &&
 			blkaddr == (map->m_pblk + ofs)) ||
 			(map->m_pblk == NEW_ADDR && blkaddr == NEW_ADDR) ||
 			flag == F2FS_GET_BLOCK_PRE_DIO) {
+		if (map->m_multidev_dio && map->m_bdev != FDEV(bidx).bdev)
+			goto sync_out;
 		ofs++;
 		map->m_len++;
 	} else {
@@ -1676,11 +1704,31 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 
 sync_out:
 
-	/* for hardware encryption, but to avoid potential issue in future */
-	if (flag == F2FS_GET_BLOCK_DIO && map->m_flags & F2FS_MAP_MAPPED)
+	if (flag == F2FS_GET_BLOCK_DIO && map->m_flags & F2FS_MAP_MAPPED) {
+		/*
+		 * for hardware encryption, but to avoid potential issue
+		 * in future
+		 */
 		f2fs_wait_on_block_writeback_range(inode,
 						map->m_pblk, map->m_len);
 
+		if (map->m_multidev_dio) {
+			block_t blk_addr = map->m_pblk;
+
+			bidx = f2fs_target_device_index(sbi, map->m_pblk);
+
+			map->m_bdev = FDEV(bidx).bdev;
+			map->m_pblk -= FDEV(bidx).start_blk;
+
+			if (map->m_may_create)
+				f2fs_update_device_state(sbi, inode->i_ino,
+							blk_addr, map->m_len);
+
+			f2fs_bug_on(sbi, blk_addr + map->m_len >
+						FDEV(bidx).end_blk + 1);
+		}
+	}
+
 	if (flag == F2FS_GET_BLOCK_PRECACHE) {
 		if (map->m_flags & F2FS_MAP_MAPPED) {
 			unsigned int ofs = start_pgofs - map->m_lblk;
@@ -1699,7 +1747,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 		f2fs_balance_fs(sbi, dn.node_changed);
 	}
 out:
-	trace_f2fs_map_blocks(inode, map, err);
+	trace_f2fs_map_blocks(inode, map, create, flag, err);
 	return err;
 }
 
@@ -1758,6 +1806,9 @@ static int __get_data_block(struct inode *inode, sector_t iblock,
 		map_bh(bh, inode->i_sb, map.m_pblk);
 		bh->b_state = (bh->b_state & ~F2FS_MAP_FLAGS) | map.m_flags;
 		bh->b_size = blks_to_bytes(inode, map.m_len);
+
+		if (map.m_multidev_dio)
+			bh->b_bdev = map.m_bdev;
 	}
 	return err;
 }
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4cabc37c20b90..e326e7efea391 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -622,6 +622,7 @@ struct extent_tree {
 				F2FS_MAP_UNWRITTEN)
 
 struct f2fs_map_blocks {
+	struct block_device *m_bdev;	/* for multi-device dio */
 	block_t m_pblk;
 	block_t m_lblk;
 	unsigned int m_len;
@@ -630,6 +631,7 @@ struct f2fs_map_blocks {
 	pgoff_t *m_next_extent;		/* point to next possible extent */
 	int m_seg_type;
 	bool m_may_create;		/* indicate it is from write path */
+	bool m_multidev_dio;		/* indicate it allows multi-device dio */
 };
 
 /* for flag in get_data_block */
@@ -1736,12 +1738,15 @@ struct f2fs_sb_info {
 
 	/* For shrinker support */
 	struct list_head s_list;
+	struct mutex umount_mutex;
+	unsigned int shrinker_run_no;
+
+	/* For multi devices */
 	int s_ndevs;				/* number of devices */
 	struct f2fs_dev_info *devs;		/* for device list */
 	unsigned int dirty_device;		/* for checkpoint data flush */
 	spinlock_t dev_lock;			/* protect dirty_device */
-	struct mutex umount_mutex;
-	unsigned int shrinker_run_no;
+	bool aligned_blksize;			/* all devices has the same logical blksize */
 
 	/* For write statistics */
 	u64 sectors_written_start;
@@ -3517,6 +3522,8 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
 			block_t old_blkaddr, block_t *new_blkaddr,
 			struct f2fs_summary *sum, int type,
 			struct f2fs_io_info *fio);
+void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino,
+					block_t blkaddr, unsigned int blkcnt);
 void f2fs_wait_on_page_writeback(struct page *page,
 			enum page_type type, bool ordered, bool locked);
 void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
@@ -4335,6 +4342,16 @@ static inline int block_unaligned_IO(struct inode *inode,
 	return align & blocksize_mask;
 }
 
+static inline bool f2fs_allow_multi_device_dio(struct f2fs_sb_info *sbi,
+								int flag)
+{
+	if (!f2fs_is_multi_device(sbi))
+		return false;
+	if (flag != F2FS_GET_BLOCK_DIO)
+		return false;
+	return sbi->aligned_blksize;
+}
+
 static inline bool f2fs_force_buffered_io(struct inode *inode,
 				struct kiocb *iocb, struct iov_iter *iter)
 {
@@ -4343,7 +4360,9 @@ static inline bool f2fs_force_buffered_io(struct inode *inode,
 
 	if (f2fs_post_read_required(inode))
 		return true;
-	if (f2fs_is_multi_device(sbi))
+
+	/* disallow direct IO if any of devices has unaligned blksize */
+	if (f2fs_is_multi_device(sbi) && !sbi->aligned_blksize)
 		return true;
 	/*
 	 * for blkzoned device, fallback direct IO to buffered IO, so
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 79ad696cddec0..25d53617a50e6 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3490,24 +3490,30 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
 	up_read(&SM_I(sbi)->curseg_lock);
 }
 
-static void update_device_state(struct f2fs_io_info *fio)
+void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino,
+					block_t blkaddr, unsigned int blkcnt)
 {
-	struct f2fs_sb_info *sbi = fio->sbi;
-	unsigned int devidx;
-
 	if (!f2fs_is_multi_device(sbi))
 		return;
 
-	devidx = f2fs_target_device_index(sbi, fio->new_blkaddr);
+	while (1) {
+		unsigned int devidx = f2fs_target_device_index(sbi, blkaddr);
+		unsigned int blks = FDEV(devidx).end_blk - blkaddr + 1;
 
-	/* update device state for fsync */
-	f2fs_set_dirty_device(sbi, fio->ino, devidx, FLUSH_INO);
+		/* update device state for fsync */
+		f2fs_set_dirty_device(sbi, ino, devidx, FLUSH_INO);
 
-	/* update device state for checkpoint */
-	if (!f2fs_test_bit(devidx, (char *)&sbi->dirty_device)) {
-		spin_lock(&sbi->dev_lock);
-		f2fs_set_bit(devidx, (char *)&sbi->dirty_device);
-		spin_unlock(&sbi->dev_lock);
+		/* update device state for checkpoint */
+		if (!f2fs_test_bit(devidx, (char *)&sbi->dirty_device)) {
+			spin_lock(&sbi->dev_lock);
+			f2fs_set_bit(devidx, (char *)&sbi->dirty_device);
+			spin_unlock(&sbi->dev_lock);
+		}
+
+		if (blkcnt <= blks)
+			break;
+		blkcnt -= blks;
+		blkaddr += blks;
 	}
 }
 
@@ -3534,7 +3540,7 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
 		goto reallocate;
 	}
 
-	update_device_state(fio);
+	f2fs_update_device_state(fio->sbi, fio->ino, fio->new_blkaddr, 1);
 
 	if (keep_order)
 		up_read(&fio->sbi->io_order_lock);
@@ -3623,7 +3629,8 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
 	else
 		err = f2fs_submit_page_bio(fio);
 	if (!err) {
-		update_device_state(fio);
+		f2fs_update_device_state(fio->sbi, fio->ino,
+						fio->new_blkaddr, 1);
 		f2fs_update_iostat(fio->sbi, fio->io_type, F2FS_BLKSIZE);
 	}
 
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index d4a76c2deb806..5160bf4f4a3ec 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3831,6 +3831,7 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
 	unsigned int max_devices = MAX_DEVICES;
+	unsigned int logical_blksize;
 	int i;
 
 	/* Initialize single device information */
@@ -3851,6 +3852,9 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
 	if (!sbi->devs)
 		return -ENOMEM;
 
+	logical_blksize = bdev_logical_block_size(sbi->sb->s_bdev);
+	sbi->aligned_blksize = true;
+
 	for (i = 0; i < max_devices; i++) {
 
 		if (i > 0 && !RDEV(i).path[0])
@@ -3887,6 +3891,9 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
 		/* to release errored devices */
 		sbi->s_ndevs = i + 1;
 
+		if (logical_blksize != bdev_logical_block_size(FDEV(i).bdev))
+			sbi->aligned_blksize = false;
+
 #ifdef CONFIG_BLK_DEV_ZONED
 		if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM &&
 				!f2fs_sb_has_blkzoned(sbi)) {
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 6033eaddcb749..8670adaa23f91 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -570,9 +570,10 @@ TRACE_EVENT(f2fs_file_write_iter,
 );
 
 TRACE_EVENT(f2fs_map_blocks,
-	TP_PROTO(struct inode *inode, struct f2fs_map_blocks *map, int ret),
+	TP_PROTO(struct inode *inode, struct f2fs_map_blocks *map,
+				int create, int flag, int ret),
 
-	TP_ARGS(inode, map, ret),
+	TP_ARGS(inode, map, create, flag, ret),
 
 	TP_STRUCT__entry(
 		__field(dev_t,	dev)
@@ -583,11 +584,14 @@ TRACE_EVENT(f2fs_map_blocks,
 		__field(unsigned int,	m_flags)
 		__field(int,	m_seg_type)
 		__field(bool,	m_may_create)
+		__field(bool,	m_multidev_dio)
+		__field(int,	create)
+		__field(int,	flag)
 		__field(int,	ret)
 	),
 
 	TP_fast_assign(
-		__entry->dev		= inode->i_sb->s_dev;
+		__entry->dev		= map->m_bdev->bd_dev;
 		__entry->ino		= inode->i_ino;
 		__entry->m_lblk		= map->m_lblk;
 		__entry->m_pblk		= map->m_pblk;
@@ -595,12 +599,16 @@ TRACE_EVENT(f2fs_map_blocks,
 		__entry->m_flags	= map->m_flags;
 		__entry->m_seg_type	= map->m_seg_type;
 		__entry->m_may_create	= map->m_may_create;
+		__entry->m_multidev_dio	= map->m_multidev_dio;
+		__entry->create		= create;
+		__entry->flag		= flag;
 		__entry->ret		= ret;
 	),
 
 	TP_printk("dev = (%d,%d), ino = %lu, file offset = %llu, "
-		"start blkaddr = 0x%llx, len = 0x%llx, flags = %u,"
-		"seg_type = %d, may_create = %d, err = %d",
+		"start blkaddr = 0x%llx, len = 0x%llx, flags = %u, "
+		"seg_type = %d, may_create = %d, multidevice = %d, "
+		"create = %d, flag = %d, err = %d",
 		show_dev_ino(__entry),
 		(unsigned long long)__entry->m_lblk,
 		(unsigned long long)__entry->m_pblk,
@@ -608,6 +616,9 @@ TRACE_EVENT(f2fs_map_blocks,
 		__entry->m_flags,
 		__entry->m_seg_type,
 		__entry->m_may_create,
+		__entry->m_multidev_dio,
+		__entry->create,
+		__entry->flag,
 		__entry->ret)
 );
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 256/317] f2fs: invalidate META_MAPPING before IPU/DIO write
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (254 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 255/317] f2fs: multidevice: support direct IO Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 257/317] f2fs: replace congestion_wait() calls with io_schedule_timeout() Sasha Levin
                   ` (63 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Hyeong-Jun Kim, Chao Yu, Jaegeuk Kim, Sasha Levin

From: Hyeong-Jun Kim <hj514.kim@samsung.com>

[ Upstream commit e3b49ea36802053f312013fd4ccb6e59920a9f76 ]

Encrypted pages during GC are read and cached in META_MAPPING.
However, due to cached pages in META_MAPPING, there is an issue where
newly written pages are lost by IPU or DIO writes.

Thread A - f2fs_gc()            Thread B
/* phase 3 */
down_write(i_gc_rwsem)
ra_data_block()       ---- (a)
up_write(i_gc_rwsem)
                                f2fs_direct_IO() :
                                 - down_read(i_gc_rwsem)
                                 - __blockdev_direct_io()
                                 - get_data_block_dio_write()
                                 - f2fs_dio_submit_bio()  ---- (b)
                                 - up_read(i_gc_rwsem)
/* phase 4 */
down_write(i_gc_rwsem)
move_data_block()     ---- (c)
up_write(i_gc_rwsem)

(a) In phase 3 of f2fs_gc(), up-to-date page is read from storage and
    cached in META_MAPPING.
(b) In thread B, writing new data by IPU or DIO write on same blkaddr as
    read in (a). cached page in META_MAPPING become out-dated.
(c) In phase 4 of f2fs_gc(), out-dated page in META_MAPPING is copied to
    new blkaddr. In conclusion, the newly written data in (b) is lost.

To address this issue, invalidating pages in META_MAPPING before IPU or
DIO write.

Fixes: 6aa58d8ad20a ("f2fs: readahead encrypted block during GC")
Signed-off-by: Hyeong-Jun Kim <hj514.kim@samsung.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: fd244524c2cf ("f2fs: compress: fix to cover normal cluster write with cp_rwsem")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/data.c    | 2 ++
 fs/f2fs/segment.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index e005f97fd273e..25dafd1261d71 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1711,6 +1711,8 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 		 */
 		f2fs_wait_on_block_writeback_range(inode,
 						map->m_pblk, map->m_len);
+		invalidate_mapping_pages(META_MAPPING(sbi),
+						map->m_pblk, map->m_pblk);
 
 		if (map->m_multidev_dio) {
 			block_t blk_addr = map->m_pblk;
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 25d53617a50e6..5eca50e50e16b 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3622,6 +3622,9 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
 		goto drop_bio;
 	}
 
+	invalidate_mapping_pages(META_MAPPING(sbi),
+				fio->new_blkaddr, fio->new_blkaddr);
+
 	stat_inc_inplace_blocks(fio->sbi);
 
 	if (fio->bio && !(SM_I(sbi)->ipu_policy & (1 << F2FS_IPU_NOCACHE)))
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 257/317] f2fs: replace congestion_wait() calls with io_schedule_timeout()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (255 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 256/317] f2fs: invalidate META_MAPPING before IPU/DIO write Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 258/317] f2fs: fix to invalidate META_MAPPING before DIO write Sasha Levin
                   ` (62 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: NeilBrown, Anna Schumaker, Chao Yu, Darrick J . Wong,
	Ilya Dryomov, Jaegeuk Kim, Jan Kara, Jeff Layton, Jens Axboe,
	Lars Ellenberg, Miklos Szeredi, Paolo Valente, Philipp Reisner,
	Ryusuke Konishi, Trond Myklebust, Wu Fengguang, Andrew Morton,
	Linus Torvalds, Sasha Levin

From: NeilBrown <neilb@suse.de>

[ Upstream commit a64239d0ef345208d8c15d7841a028a43a34c068 ]

As congestion is no longer tracked, congestion_wait() is effectively
equivalent to io_schedule_timeout().

So introduce f2fs_io_schedule_timeout() which sets TASK_UNINTERRUPTIBLE
and call that instead.

Link: https://lkml.kernel.org/r/164549983744.9187.6425865370954230902.stgit@noble.brown
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Darrick J. Wong <djwong@kernel.org>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Paolo Valente <paolo.valente@linaro.org>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Stable-dep-of: fd244524c2cf ("f2fs: compress: fix to cover normal cluster write with cp_rwsem")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/compress.c | 4 +---
 fs/f2fs/data.c     | 3 +--
 fs/f2fs/f2fs.h     | 6 ++++++
 fs/f2fs/segment.c  | 8 +++-----
 fs/f2fs/super.c    | 6 ++----
 5 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 7b4479d5b5315..c640e4c63909a 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -1504,9 +1504,7 @@ static int f2fs_write_raw_pages(struct compress_ctx *cc,
 				if (IS_NOQUOTA(cc->inode))
 					return 0;
 				ret = 0;
-				cond_resched();
-				congestion_wait(BLK_RW_ASYNC,
-						DEFAULT_IO_TIMEOUT);
+				f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 				goto retry_write;
 			}
 			return ret;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 25dafd1261d71..19b595488a27b 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3158,8 +3158,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
 				} else if (ret == -EAGAIN) {
 					ret = 0;
 					if (wbc->sync_mode == WB_SYNC_ALL) {
-						cond_resched();
-						congestion_wait(BLK_RW_ASYNC,
+						f2fs_io_schedule_timeout(
 							DEFAULT_IO_TIMEOUT);
 						goto retry_write;
 					}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index e326e7efea391..dfaee211f6133 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -4413,6 +4413,12 @@ static inline bool f2fs_block_unit_discard(struct f2fs_sb_info *sbi)
 	return F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK;
 }
 
+static inline void f2fs_io_schedule_timeout(long timeout)
+{
+	set_current_state(TASK_UNINTERRUPTIBLE);
+	io_schedule_timeout(timeout);
+}
+
 #define EFSBADCRC	EBADMSG		/* Bad CRC detected */
 #define EFSCORRUPTED	EUCLEAN		/* Filesystem is corrupted */
 
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 5eca50e50e16b..cbdd8d0ec8960 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -313,8 +313,7 @@ void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure)
 skip:
 		iput(inode);
 	}
-	congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
-	cond_resched();
+	f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 	if (gc_failure) {
 		if (++looped >= count)
 			return;
@@ -789,8 +788,7 @@ int f2fs_flush_device_cache(struct f2fs_sb_info *sbi)
 		do {
 			ret = __submit_flush_wait(sbi, FDEV(i).bdev);
 			if (ret)
-				congestion_wait(BLK_RW_ASYNC,
-						DEFAULT_IO_TIMEOUT);
+				f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 		} while (ret && --count);
 
 		if (ret) {
@@ -3106,7 +3104,7 @@ static unsigned int __issue_discard_cmd_range(struct f2fs_sb_info *sbi,
 			blk_finish_plug(&plug);
 			mutex_unlock(&dcc->cmd_lock);
 			trimmed += __wait_all_discard_cmd(sbi, NULL);
-			congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
+			f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 			goto next;
 		}
 skip:
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 5160bf4f4a3ec..df1e5496352c2 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2168,8 +2168,7 @@ static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi)
 	/* we should flush all the data to keep data consistency */
 	do {
 		sync_inodes_sb(sbi->sb);
-		cond_resched();
-		congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
+		f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 	} while (get_pages(sbi, F2FS_DIRTY_DATA) && retry--);
 
 	if (unlikely(retry < 0))
@@ -2540,8 +2539,7 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type,
 							&page, &fsdata);
 		if (unlikely(err)) {
 			if (err == -ENOMEM) {
-				congestion_wait(BLK_RW_ASYNC,
-						DEFAULT_IO_TIMEOUT);
+				f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 				goto retry;
 			}
 			set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 258/317] f2fs: fix to invalidate META_MAPPING before DIO write
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (256 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 257/317] f2fs: replace congestion_wait() calls with io_schedule_timeout() Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:33 ` [PATCH 5.15 259/317] f2fs: invalidate meta pages only for post_read required inode Sasha Levin
                   ` (61 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Chao Yu, Hyeong-Jun Kim, Chao Yu, Jaegeuk Kim, Sasha Levin

From: Chao Yu <chao@kernel.org>

[ Upstream commit 67ca06872eb02944b4c6f92cffa9242e92c63109 ]

Quoted from commit e3b49ea36802 ("f2fs: invalidate META_MAPPING before
IPU/DIO write")

"
Encrypted pages during GC are read and cached in META_MAPPING.
However, due to cached pages in META_MAPPING, there is an issue where
newly written pages are lost by IPU or DIO writes.

Thread A - f2fs_gc()            Thread B
/* phase 3 */
down_write(i_gc_rwsem)
ra_data_block()       ---- (a)
up_write(i_gc_rwsem)
                                f2fs_direct_IO() :
                                 - down_read(i_gc_rwsem)
                                 - __blockdev_direct_io()
                                 - get_data_block_dio_write()
                                 - f2fs_dio_submit_bio()  ---- (b)
                                 - up_read(i_gc_rwsem)
/* phase 4 */
down_write(i_gc_rwsem)
move_data_block()     ---- (c)
up_write(i_gc_rwsem)

(a) In phase 3 of f2fs_gc(), up-to-date page is read from storage and
    cached in META_MAPPING.
(b) In thread B, writing new data by IPU or DIO write on same blkaddr as
    read in (a). cached page in META_MAPPING become out-dated.
(c) In phase 4 of f2fs_gc(), out-dated page in META_MAPPING is copied to
    new blkaddr. In conclusion, the newly written data in (b) is lost.

To address this issue, invalidating pages in META_MAPPING before IPU or
DIO write.
"

In previous commit, we missed to cover extent cache hit case, and passed
wrong value for parameter @end of invalidate_mapping_pages(), fix both
issues.

Fixes: 6aa58d8ad20a ("f2fs: readahead encrypted block during GC")
Fixes: e3b49ea36802 ("f2fs: invalidate META_MAPPING before IPU/DIO write")
Cc: Hyeong-Jun Kim <hj514.kim@samsung.com>
Signed-off-by: Chao Yu <chao.yu@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: fd244524c2cf ("f2fs: compress: fix to cover normal cluster write with cp_rwsem")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/data.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 19b595488a27b..222af7d5f91b7 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1496,9 +1496,12 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 			*map->m_next_extent = pgofs + map->m_len;
 
 		/* for hardware encryption, but to avoid potential issue in future */
-		if (flag == F2FS_GET_BLOCK_DIO)
+		if (flag == F2FS_GET_BLOCK_DIO) {
 			f2fs_wait_on_block_writeback_range(inode,
 						map->m_pblk, map->m_len);
+			invalidate_mapping_pages(META_MAPPING(sbi),
+				map->m_pblk, map->m_pblk + map->m_len - 1);
+		}
 
 		if (map->m_multidev_dio) {
 			block_t blk_addr = map->m_pblk;
@@ -1712,7 +1715,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 		f2fs_wait_on_block_writeback_range(inode,
 						map->m_pblk, map->m_len);
 		invalidate_mapping_pages(META_MAPPING(sbi),
-						map->m_pblk, map->m_pblk);
+				map->m_pblk, map->m_pblk + map->m_len - 1);
 
 		if (map->m_multidev_dio) {
 			block_t blk_addr = map->m_pblk;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 259/317] f2fs: invalidate meta pages only for post_read required inode
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (257 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 258/317] f2fs: fix to invalidate META_MAPPING before DIO write Sasha Levin
@ 2024-03-24 23:33 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 260/317] f2fs: reduce stack memory cost by using bitfield in struct f2fs_io_info Sasha Levin
                   ` (60 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:33 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Chao Yu, Chao Yu, Jaegeuk Kim, Sasha Levin

From: Chao Yu <chao@kernel.org>

[ Upstream commit 0d5b9d8156396bbe1c982708b38ab9e188c45ec9 ]

After commit e3b49ea36802 ("f2fs: invalidate META_MAPPING before
IPU/DIO write"), invalidate_mapping_pages() will be called to
avoid race condition in between IPU/DIO and readahead for GC.

However, readahead flow is only used for post_read required inode,
so this patch adds check condition to avoids unnecessary page cache
invalidating for non-post_read inode.

Signed-off-by: Chao Yu <chao.yu@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: fd244524c2cf ("f2fs: compress: fix to cover normal cluster write with cp_rwsem")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/data.c    | 8 ++------
 fs/f2fs/f2fs.h    | 1 +
 fs/f2fs/segment.c | 9 ++++++++-
 3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 222af7d5f91b7..4f122a806cf88 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1496,12 +1496,9 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 			*map->m_next_extent = pgofs + map->m_len;
 
 		/* for hardware encryption, but to avoid potential issue in future */
-		if (flag == F2FS_GET_BLOCK_DIO) {
+		if (flag == F2FS_GET_BLOCK_DIO)
 			f2fs_wait_on_block_writeback_range(inode,
 						map->m_pblk, map->m_len);
-			invalidate_mapping_pages(META_MAPPING(sbi),
-				map->m_pblk, map->m_pblk + map->m_len - 1);
-		}
 
 		if (map->m_multidev_dio) {
 			block_t blk_addr = map->m_pblk;
@@ -1714,8 +1711,6 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 		 */
 		f2fs_wait_on_block_writeback_range(inode,
 						map->m_pblk, map->m_len);
-		invalidate_mapping_pages(META_MAPPING(sbi),
-				map->m_pblk, map->m_pblk + map->m_len - 1);
 
 		if (map->m_multidev_dio) {
 			block_t blk_addr = map->m_pblk;
@@ -2808,6 +2803,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 		.submitted = false,
 		.compr_blocks = compr_blocks,
 		.need_lock = LOCK_RETRY,
+		.post_read = f2fs_post_read_required(inode),
 		.io_type = io_type,
 		.io_wbc = wbc,
 		.bio = bio,
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index dfaee211f6133..d961a2779b6e7 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1177,6 +1177,7 @@ struct f2fs_io_info {
 	bool retry;		/* need to reallocate block address */
 	int compr_blocks;	/* # of compressed block addresses */
 	bool encrypted;		/* indicate file is encrypted */
+	bool post_read;		/* require post read */
 	enum iostat_type io_type;	/* io type */
 	struct writeback_control *io_wbc; /* writeback control */
 	struct bio **bio;		/* bio for ipu */
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index cbdd8d0ec8960..43fabd17bb4e7 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3620,7 +3620,8 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
 		goto drop_bio;
 	}
 
-	invalidate_mapping_pages(META_MAPPING(sbi),
+	if (fio->post_read)
+		invalidate_mapping_pages(META_MAPPING(sbi),
 				fio->new_blkaddr, fio->new_blkaddr);
 
 	stat_inc_inplace_blocks(fio->sbi);
@@ -3803,10 +3804,16 @@ void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr)
 void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
 								block_t len)
 {
+	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	block_t i;
 
+	if (!f2fs_post_read_required(inode))
+		return;
+
 	for (i = 0; i < len; i++)
 		f2fs_wait_on_block_writeback(inode, blkaddr + i);
+
+	invalidate_mapping_pages(META_MAPPING(sbi), blkaddr, blkaddr + len - 1);
 }
 
 static int read_compacted_summaries(struct f2fs_sb_info *sbi)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 260/317] f2fs: reduce stack memory cost by using bitfield in struct f2fs_io_info
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (258 preceding siblings ...)
  2024-03-24 23:33 ` [PATCH 5.15 259/317] f2fs: invalidate meta pages only for post_read required inode Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 261/317] f2fs: compress: fix to cover normal cluster write with cp_rwsem Sasha Levin
                   ` (59 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Chao Yu, Nathan Chancellor, Jaegeuk Kim, Sasha Levin

From: Chao Yu <chao@kernel.org>

[ Upstream commit 2eae077e6e46f9046d383631145750e043820dce ]

This patch tries to use bitfield in struct f2fs_io_info to improve
memory usage.

struct f2fs_io_info {
...
	unsigned int need_lock:8;	/* indicate we need to lock cp_rwsem */
	unsigned int version:8;		/* version of the node */
	unsigned int submitted:1;	/* indicate IO submission */
	unsigned int in_list:1;		/* indicate fio is in io_list */
	unsigned int is_por:1;		/* indicate IO is from recovery or not */
	unsigned int retry:1;		/* need to reallocate block address */
	unsigned int encrypted:1;	/* indicate file is encrypted */
	unsigned int post_read:1;	/* require post read */
...
};

After this patch, size of struct f2fs_io_info reduces from 136 to 120.

[Nathan: fix a compile warning (single-bit-bitfield-constant-conversion)]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: fd244524c2cf ("f2fs: compress: fix to cover normal cluster write with cp_rwsem")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/checkpoint.c |  6 +++---
 fs/f2fs/compress.c   |  5 +++--
 fs/f2fs/data.c       | 10 +++++-----
 fs/f2fs/f2fs.h       | 18 +++++++++---------
 fs/f2fs/gc.c         |  8 ++++----
 fs/f2fs/node.c       |  2 +-
 fs/f2fs/segment.c    |  6 +++---
 7 files changed, 28 insertions(+), 27 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index d6ae6de35af20..7d3e7418d8fd5 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -66,7 +66,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
 		.old_blkaddr = index,
 		.new_blkaddr = index,
 		.encrypted_page = NULL,
-		.is_por = !is_meta,
+		.is_por = !is_meta ? 1 : 0,
 	};
 	int err;
 
@@ -229,8 +229,8 @@ int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
 		.op = REQ_OP_READ,
 		.op_flags = sync ? (REQ_META | REQ_PRIO) : REQ_RAHEAD,
 		.encrypted_page = NULL,
-		.in_list = false,
-		.is_por = (type == META_POR),
+		.in_list = 0,
+		.is_por = (type == META_POR) ? 1 : 0,
 	};
 	struct blk_plug plug;
 	int err;
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index c640e4c63909a..f8de64cb8fbcc 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -1233,10 +1233,11 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
 		.page = NULL,
 		.encrypted_page = NULL,
 		.compressed_page = NULL,
-		.submitted = false,
+		.submitted = 0,
 		.io_type = io_type,
 		.io_wbc = wbc,
-		.encrypted = fscrypt_inode_uses_fs_layer_crypto(cc->inode),
+		.encrypted = fscrypt_inode_uses_fs_layer_crypto(cc->inode) ?
+									1 : 0,
 	};
 	struct dnode_of_data dn;
 	struct node_info ni;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 4f122a806cf88..cb63352589390 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -933,7 +933,7 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
 		bio_page = fio->page;
 
 	/* set submitted = true as a return value */
-	fio->submitted = true;
+	fio->submitted = 1;
 
 	inc_page_count(sbi, WB_DATA_TYPE(bio_page));
 
@@ -949,7 +949,7 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
 				(fio->type == DATA || fio->type == NODE) &&
 				fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) {
 			dec_page_count(sbi, WB_DATA_TYPE(bio_page));
-			fio->retry = true;
+			fio->retry = 1;
 			goto skip;
 		}
 		io->bio = __bio_alloc(fio, BIO_MAX_VECS);
@@ -2800,10 +2800,10 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 		.old_blkaddr = NULL_ADDR,
 		.page = page,
 		.encrypted_page = NULL,
-		.submitted = false,
+		.submitted = 0,
 		.compr_blocks = compr_blocks,
 		.need_lock = LOCK_RETRY,
-		.post_read = f2fs_post_read_required(inode),
+		.post_read = f2fs_post_read_required(inode) ? 1 : 0,
 		.io_type = io_type,
 		.io_wbc = wbc,
 		.bio = bio,
@@ -2931,7 +2931,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 	}
 
 	if (submitted)
-		*submitted = fio.submitted ? 1 : 0;
+		*submitted = fio.submitted;
 
 	return 0;
 
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index d961a2779b6e7..0eafefc242b11 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1170,19 +1170,19 @@ struct f2fs_io_info {
 	struct page *encrypted_page;	/* encrypted page */
 	struct page *compressed_page;	/* compressed page */
 	struct list_head list;		/* serialize IOs */
-	bool submitted;		/* indicate IO submission */
-	int need_lock;		/* indicate we need to lock cp_rwsem */
-	bool in_list;		/* indicate fio is in io_list */
-	bool is_por;		/* indicate IO is from recovery or not */
-	bool retry;		/* need to reallocate block address */
-	int compr_blocks;	/* # of compressed block addresses */
-	bool encrypted;		/* indicate file is encrypted */
-	bool post_read;		/* require post read */
+	unsigned int compr_blocks;	/* # of compressed block addresses */
+	unsigned int need_lock:8;	/* indicate we need to lock cp_rwsem */
+	unsigned int version:8;		/* version of the node */
+	unsigned int submitted:1;	/* indicate IO submission */
+	unsigned int in_list:1;		/* indicate fio is in io_list */
+	unsigned int is_por:1;		/* indicate IO is from recovery or not */
+	unsigned int retry:1;		/* need to reallocate block address */
+	unsigned int encrypted:1;	/* indicate file is encrypted */
+	unsigned int post_read:1;	/* require post read */
 	enum iostat_type io_type;	/* io type */
 	struct writeback_control *io_wbc; /* writeback control */
 	struct bio **bio;		/* bio for ipu */
 	sector_t *last_block;		/* last block number in bio */
-	unsigned char version;		/* version of the node */
 };
 
 struct bio_entry {
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 2c13f308c74e3..9a57754e6e0c1 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1080,8 +1080,8 @@ static int ra_data_block(struct inode *inode, pgoff_t index)
 		.op = REQ_OP_READ,
 		.op_flags = 0,
 		.encrypted_page = NULL,
-		.in_list = false,
-		.retry = false,
+		.in_list = 0,
+		.retry = 0,
 	};
 	int err;
 
@@ -1167,8 +1167,8 @@ static int move_data_block(struct inode *inode, block_t bidx,
 		.op = REQ_OP_READ,
 		.op_flags = 0,
 		.encrypted_page = NULL,
-		.in_list = false,
-		.retry = false,
+		.in_list = 0,
+		.retry = 0,
 	};
 	struct dnode_of_data dn;
 	struct f2fs_summary sum;
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 195658263f0a4..dc85dd55314cc 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1583,7 +1583,7 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted,
 		.op_flags = wbc_to_write_flags(wbc),
 		.page = page,
 		.encrypted_page = NULL,
-		.submitted = false,
+		.submitted = 0,
 		.io_type = io_type,
 		.io_wbc = wbc,
 	};
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 43fabd17bb4e7..b454496ca67a1 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3473,10 +3473,10 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
 		struct f2fs_bio_info *io;
 
 		if (F2FS_IO_ALIGNED(sbi))
-			fio->retry = false;
+			fio->retry = 0;
 
 		INIT_LIST_HEAD(&fio->list);
-		fio->in_list = true;
+		fio->in_list = 1;
 		io = sbi->write_io[fio->type] + fio->temp;
 		spin_lock(&io->io_lock);
 		list_add_tail(&fio->list, &io->io_list);
@@ -3557,7 +3557,7 @@ void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
 		.new_blkaddr = page->index,
 		.page = page,
 		.encrypted_page = NULL,
-		.in_list = false,
+		.in_list = 0,
 	};
 
 	if (unlikely(page->index >= MAIN_BLKADDR(sbi)))
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 261/317] f2fs: compress: fix to cover normal cluster write with cp_rwsem
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (259 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 260/317] f2fs: reduce stack memory cost by using bitfield in struct f2fs_io_info Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 262/317] f2fs: compress: fix to check unreleased compressed cluster Sasha Levin
                   ` (58 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Chao Yu, Daeho Jeong, Jaegeuk Kim, Sasha Levin

From: Chao Yu <chao@kernel.org>

[ Upstream commit fd244524c2cf07b5f4c3fe8abd6a99225c76544b ]

When we overwrite compressed cluster w/ normal cluster, we should
not unlock cp_rwsem during f2fs_write_raw_pages(), otherwise data
will be corrupted if partial blocks were persisted before CP & SPOR,
due to cluster metadata wasn't updated atomically.

Fixes: 4c8ff7095bef ("f2fs: support data compression")
Reviewed-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/compress.c | 27 ++++++++++++++++++---------
 fs/f2fs/data.c     |  3 ++-
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index f8de64cb8fbcc..88799c6ebd7de 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -1445,12 +1445,14 @@ void f2fs_compress_write_end_io(struct bio *bio, struct page *page)
 }
 
 static int f2fs_write_raw_pages(struct compress_ctx *cc,
-					int *submitted,
+					int *submitted_p,
 					struct writeback_control *wbc,
 					enum iostat_type io_type)
 {
 	struct address_space *mapping = cc->inode->i_mapping;
-	int _submitted, compr_blocks, ret, i;
+	struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
+	int submitted, compr_blocks, i;
+	int ret = 0;
 
 	compr_blocks = f2fs_compressed_blocks(cc);
 
@@ -1465,6 +1467,10 @@ static int f2fs_write_raw_pages(struct compress_ctx *cc,
 	if (compr_blocks < 0)
 		return compr_blocks;
 
+	/* overwrite compressed cluster w/ normal cluster */
+	if (compr_blocks > 0)
+		f2fs_lock_op(sbi);
+
 	for (i = 0; i < cc->cluster_size; i++) {
 		if (!cc->rpages[i])
 			continue;
@@ -1489,7 +1495,7 @@ static int f2fs_write_raw_pages(struct compress_ctx *cc,
 		if (!clear_page_dirty_for_io(cc->rpages[i]))
 			goto continue_unlock;
 
-		ret = f2fs_write_single_data_page(cc->rpages[i], &_submitted,
+		ret = f2fs_write_single_data_page(cc->rpages[i], &submitted,
 						NULL, NULL, wbc, io_type,
 						compr_blocks, false);
 		if (ret) {
@@ -1497,26 +1503,29 @@ static int f2fs_write_raw_pages(struct compress_ctx *cc,
 				unlock_page(cc->rpages[i]);
 				ret = 0;
 			} else if (ret == -EAGAIN) {
+				ret = 0;
 				/*
 				 * for quota file, just redirty left pages to
 				 * avoid deadlock caused by cluster update race
 				 * from foreground operation.
 				 */
 				if (IS_NOQUOTA(cc->inode))
-					return 0;
-				ret = 0;
+					goto out;
 				f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 				goto retry_write;
 			}
-			return ret;
+			goto out;
 		}
 
-		*submitted += _submitted;
+		*submitted_p += submitted;
 	}
 
-	f2fs_balance_fs(F2FS_M_SB(mapping), true);
+out:
+	if (compr_blocks > 0)
+		f2fs_unlock_op(sbi);
 
-	return 0;
+	f2fs_balance_fs(sbi, true);
+	return ret;
 }
 
 int f2fs_write_multi_pages(struct compress_ctx *cc,
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index cb63352589390..ecf7f1b5a3658 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2802,7 +2802,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 		.encrypted_page = NULL,
 		.submitted = 0,
 		.compr_blocks = compr_blocks,
-		.need_lock = LOCK_RETRY,
+		.need_lock = compr_blocks ? LOCK_DONE : LOCK_RETRY,
 		.post_read = f2fs_post_read_required(inode) ? 1 : 0,
 		.io_type = io_type,
 		.io_wbc = wbc,
@@ -2887,6 +2887,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 	if (err == -EAGAIN) {
 		err = f2fs_do_write_data_page(&fio);
 		if (err == -EAGAIN) {
+			f2fs_bug_on(sbi, compr_blocks);
 			fio.need_lock = LOCK_REQ;
 			err = f2fs_do_write_data_page(&fio);
 		}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 262/317] f2fs: compress: fix to check unreleased compressed cluster
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (260 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 261/317] f2fs: compress: fix to cover normal cluster write with cp_rwsem Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 263/317] scsi: csiostor: Avoid function pointer casts Sasha Levin
                   ` (57 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Sheng Yong, Chao Yu, Jaegeuk Kim, Sasha Levin

From: Sheng Yong <shengyong@oppo.com>

[ Upstream commit eb8fbaa53374e0a2d4381190abfe708481517bbb ]

Compressed cluster may not be released due to we can fail in
release_compress_blocks(), fix to handle reserved compressed
cluster correctly in reserve_compress_blocks().

Fixes: 4c8ff7095bef ("f2fs: support data compression")
Signed-off-by: Sheng Yong <shengyong@oppo.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/file.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 489854d841e75..bab83ce4fe091 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3566,7 +3566,13 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
 				goto next;
 			}
 
-			if (__is_valid_data_blkaddr(blkaddr)) {
+			/*
+			 * compressed cluster was not released due to it
+			 * fails in release_compress_blocks(), so NEW_ADDR
+			 * is a possible case.
+			 */
+			if (blkaddr == NEW_ADDR ||
+				__is_valid_data_blkaddr(blkaddr)) {
 				compr_blocks++;
 				continue;
 			}
@@ -3576,6 +3582,11 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
 		}
 
 		reserved = cluster_size - compr_blocks;
+
+		/* for the case all blocks in cluster were reserved */
+		if (reserved == 1)
+			goto next;
+
 		ret = inc_valid_block_count(sbi, dn->inode, &reserved);
 		if (ret)
 			return ret;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 263/317] scsi: csiostor: Avoid function pointer casts
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (261 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 262/317] f2fs: compress: fix to check unreleased compressed cluster Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 264/317] RDMA/device: Fix a race between mad_client and cm_client init Sasha Levin
                   ` (56 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Arnd Bergmann, Martin K . Petersen, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 9f3dbcb5632d6876226031d552ef6163bb3ad215 ]

csiostor uses function pointer casts to keep the csio_ln_ev state machine
hidden, but this causes warnings about control flow integrity (KCFI)
violations in clang-16 and higher:

drivers/scsi/csiostor/csio_lnode.c:1098:33: error: cast from 'void (*)(struct csio_lnode *, enum csio_ln_ev)' to 'csio_sm_state_t' (aka 'void (*)(void *, unsigned int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
 1098 |         return (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready));
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/csiostor/csio_lnode.c:1369:29: error: cast from 'void (*)(struct csio_lnode *, enum csio_ln_ev)' to 'csio_sm_state_t' (aka 'void (*)(void *, unsigned int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
 1369 |         if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_uninit)) {
      |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/csiostor/csio_lnode.c:1373:29: error: cast from 'void (*)(struct csio_lnode *, enum csio_ln_ev)' to 'csio_sm_state_t' (aka 'void (*)(void *, unsigned int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
 1373 |         if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready)) {
      |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/csiostor/csio_lnode.c:1377:29: error: cast from 'void (*)(struct csio_lnode *, enum csio_ln_ev)' to 'csio_sm_state_t' (aka 'void (*)(void *, unsigned int)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
 1377 |         if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_offline)) {
      |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Move the enum into a shared header so the correct types can be used without
the need for casts.

Fixes: a3667aaed569 ("[SCSI] csiostor: Chelsio FCoE offload driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240213100518.457623-1-arnd@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/csiostor/csio_defs.h  | 18 ++++++++++++++++--
 drivers/scsi/csiostor/csio_lnode.c |  8 ++++----
 drivers/scsi/csiostor/csio_lnode.h | 13 -------------
 3 files changed, 20 insertions(+), 19 deletions(-)

diff --git a/drivers/scsi/csiostor/csio_defs.h b/drivers/scsi/csiostor/csio_defs.h
index c38017b4af982..e50e93e7fe5a1 100644
--- a/drivers/scsi/csiostor/csio_defs.h
+++ b/drivers/scsi/csiostor/csio_defs.h
@@ -73,7 +73,21 @@ csio_list_deleted(struct list_head *list)
 #define csio_list_prev(elem)	(((struct list_head *)(elem))->prev)
 
 /* State machine */
-typedef void (*csio_sm_state_t)(void *, uint32_t);
+struct csio_lnode;
+
+/* State machine evets */
+enum csio_ln_ev {
+	CSIO_LNE_NONE = (uint32_t)0,
+	CSIO_LNE_LINKUP,
+	CSIO_LNE_FAB_INIT_DONE,
+	CSIO_LNE_LINK_DOWN,
+	CSIO_LNE_DOWN_LINK,
+	CSIO_LNE_LOGO,
+	CSIO_LNE_CLOSE,
+	CSIO_LNE_MAX_EVENT,
+};
+
+typedef void (*csio_sm_state_t)(struct csio_lnode *ln, enum csio_ln_ev evt);
 
 struct csio_sm {
 	struct list_head	sm_list;
@@ -83,7 +97,7 @@ struct csio_sm {
 static inline void
 csio_set_state(void *smp, void *state)
 {
-	((struct csio_sm *)smp)->sm_state = (csio_sm_state_t)state;
+	((struct csio_sm *)smp)->sm_state = state;
 }
 
 static inline void
diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c
index d5ac938970232..5b3ffefae476d 100644
--- a/drivers/scsi/csiostor/csio_lnode.c
+++ b/drivers/scsi/csiostor/csio_lnode.c
@@ -1095,7 +1095,7 @@ csio_handle_link_down(struct csio_hw *hw, uint8_t portid, uint32_t fcfi,
 int
 csio_is_lnode_ready(struct csio_lnode *ln)
 {
-	return (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready));
+	return (csio_get_state(ln) == csio_lns_ready);
 }
 
 /*****************************************************************************/
@@ -1366,15 +1366,15 @@ csio_free_fcfinfo(struct kref *kref)
 void
 csio_lnode_state_to_str(struct csio_lnode *ln, int8_t *str)
 {
-	if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_uninit)) {
+	if (csio_get_state(ln) == csio_lns_uninit) {
 		strcpy(str, "UNINIT");
 		return;
 	}
-	if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready)) {
+	if (csio_get_state(ln) == csio_lns_ready) {
 		strcpy(str, "READY");
 		return;
 	}
-	if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_offline)) {
+	if (csio_get_state(ln) == csio_lns_offline) {
 		strcpy(str, "OFFLINE");
 		return;
 	}
diff --git a/drivers/scsi/csiostor/csio_lnode.h b/drivers/scsi/csiostor/csio_lnode.h
index 372a67d122d38..607698a0f0631 100644
--- a/drivers/scsi/csiostor/csio_lnode.h
+++ b/drivers/scsi/csiostor/csio_lnode.h
@@ -53,19 +53,6 @@
 extern int csio_fcoe_rnodes;
 extern int csio_fdmi_enable;
 
-/* State machine evets */
-enum csio_ln_ev {
-	CSIO_LNE_NONE = (uint32_t)0,
-	CSIO_LNE_LINKUP,
-	CSIO_LNE_FAB_INIT_DONE,
-	CSIO_LNE_LINK_DOWN,
-	CSIO_LNE_DOWN_LINK,
-	CSIO_LNE_LOGO,
-	CSIO_LNE_CLOSE,
-	CSIO_LNE_MAX_EVENT,
-};
-
-
 struct csio_fcf_info {
 	struct list_head	list;
 	uint8_t			priority;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 264/317] RDMA/device: Fix a race between mad_client and cm_client init
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (262 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 263/317] scsi: csiostor: Avoid function pointer casts Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 265/317] RDMA/rtrs-clt: Check strnlen return len in sysfs mpath_policy_store() Sasha Levin
                   ` (55 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Shifeng Li, Jason Gunthorpe, Jason Gunthorpe, Sasha Levin

From: Shifeng Li <lishifeng@sangfor.com.cn>

[ Upstream commit 7a8bccd8b29c321ac181369b42b04fecf05f98e2 ]

The mad_client will be initialized in enable_device_and_get(), while the
devices_rwsem will be downgraded to a read semaphore. There is a window
that leads to the failed initialization for cm_client, since it can not
get matched mad port from ib_mad_port_list, and the matched mad port will
be added to the list after that.

    mad_client    |                       cm_client
------------------|--------------------------------------------------------
ib_register_device|
enable_device_and_get
down_write(&devices_rwsem)
xa_set_mark(&devices, DEVICE_REGISTERED)
downgrade_write(&devices_rwsem)
                  |
                  |ib_cm_init
                  |ib_register_client(&cm_client)
                  |down_read(&devices_rwsem)
                  |xa_for_each_marked (&devices, DEVICE_REGISTERED)
                  |add_client_context
                  |cm_add_one
                  |ib_register_mad_agent
                  |ib_get_mad_port
                  |__ib_get_mad_port
                  |list_for_each_entry(entry, &ib_mad_port_list, port_list)
                  |return NULL
                  |up_read(&devices_rwsem)
                  |
add_client_context|
ib_mad_init_device|
ib_mad_port_open  |
list_add_tail(&port_priv->port_list, &ib_mad_port_list)
up_read(&devices_rwsem)
                  |

Fix it by using down_write(&devices_rwsem) in ib_register_client().

Fixes: d0899892edd0 ("RDMA/device: Provide APIs from the core code to help unregistration")
Link: https://lore.kernel.org/r/20240203035313.98991-1-lishifeng@sangfor.com.cn
Suggested-by: Jason Gunthorpe <jgg@ziepe.ca>
Signed-off-by: Shifeng Li <lishifeng@sangfor.com.cn>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/core/device.c | 37 +++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 15 deletions(-)

diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 2c2ac63b39c42..725f2719132fb 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -1729,7 +1729,7 @@ static int assign_client_id(struct ib_client *client)
 {
 	int ret;
 
-	down_write(&clients_rwsem);
+	lockdep_assert_held(&clients_rwsem);
 	/*
 	 * The add/remove callbacks must be called in FIFO/LIFO order. To
 	 * achieve this we assign client_ids so they are sorted in
@@ -1738,14 +1738,11 @@ static int assign_client_id(struct ib_client *client)
 	client->client_id = highest_client_id;
 	ret = xa_insert(&clients, client->client_id, client, GFP_KERNEL);
 	if (ret)
-		goto out;
+		return ret;
 
 	highest_client_id++;
 	xa_set_mark(&clients, client->client_id, CLIENT_REGISTERED);
-
-out:
-	up_write(&clients_rwsem);
-	return ret;
+	return 0;
 }
 
 static void remove_client_id(struct ib_client *client)
@@ -1775,25 +1772,35 @@ int ib_register_client(struct ib_client *client)
 {
 	struct ib_device *device;
 	unsigned long index;
+	bool need_unreg = false;
 	int ret;
 
 	refcount_set(&client->uses, 1);
 	init_completion(&client->uses_zero);
+
+	/*
+	 * The devices_rwsem is held in write mode to ensure that a racing
+	 * ib_register_device() sees a consisent view of clients and devices.
+	 */
+	down_write(&devices_rwsem);
+	down_write(&clients_rwsem);
 	ret = assign_client_id(client);
 	if (ret)
-		return ret;
+		goto out;
 
-	down_read(&devices_rwsem);
+	need_unreg = true;
 	xa_for_each_marked (&devices, index, device, DEVICE_REGISTERED) {
 		ret = add_client_context(device, client);
-		if (ret) {
-			up_read(&devices_rwsem);
-			ib_unregister_client(client);
-			return ret;
-		}
+		if (ret)
+			goto out;
 	}
-	up_read(&devices_rwsem);
-	return 0;
+	ret = 0;
+out:
+	up_write(&clients_rwsem);
+	up_write(&devices_rwsem);
+	if (need_unreg && ret)
+		ib_unregister_client(client);
+	return ret;
 }
 EXPORT_SYMBOL(ib_register_client);
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 265/317] RDMA/rtrs-clt: Check strnlen return len in sysfs mpath_policy_store()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (263 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 264/317] RDMA/device: Fix a race between mad_client and cm_client init Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 266/317] scsi: bfa: Fix function pointer type mismatch for hcb_qe->cbfn Sasha Levin
                   ` (54 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Alexey Kodanev, Jack Wang, Leon Romanovsky, Sasha Levin

From: Alexey Kodanev <aleksei.kodanev@bell-sw.com>

[ Upstream commit 7a7b7f575a25aa68ee934ee8107294487efcb3fe ]

strnlen() may return 0 (e.g. for "\0\n" string), it's better to
check the result of strnlen() before using 'len - 1' expression
for the 'buf' array index.

Detected using the static analysis tool - Svace.

Fixes: dc3b66a0ce70 ("RDMA/rtrs-clt: Add a minimum latency multipath policy")
Signed-off-by: Alexey Kodanev <aleksei.kodanev@bell-sw.com>
Link: https://lore.kernel.org/r/20240221113204.147478-1-aleksei.kodanev@bell-sw.com
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
index dbf9a778c3bd7..583c38eb04326 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
@@ -131,7 +131,7 @@ static ssize_t mpath_policy_store(struct device *dev,
 
 	/* distinguish "mi" and "min-latency" with length */
 	len = strnlen(buf, NAME_MAX);
-	if (buf[len - 1] == '\n')
+	if (len && buf[len - 1] == '\n')
 		len--;
 
 	if (!strncasecmp(buf, "round-robin", 11) ||
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 266/317] scsi: bfa: Fix function pointer type mismatch for hcb_qe->cbfn
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (264 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 265/317] RDMA/rtrs-clt: Check strnlen return len in sysfs mpath_policy_store() Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 267/317] net: sunrpc: Fix an off by one in rpc_sockaddr2uaddr() Sasha Levin
                   ` (53 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arnd Bergmann, Kees Cook, Martin K . Petersen, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit b69600231f751304db914c63b937f7098ed2895c ]

Some callback functions used here take a boolean argument, others take a
status argument. This breaks KCFI type checking, so clang now warns about
the function pointer cast:

drivers/scsi/bfa/bfad_bsg.c:2138:29: error: cast from 'void (*)(void *, enum bfa_status)' to 'bfa_cb_cbfn_t' (aka 'void (*)(void *, enum bfa_boolean)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]

Assuming the code is actually correct here and the callers always match the
argument types of the callee, rework this to replace the explicit cast with
a union of the two pointer types. This does not change the behavior of the
code, so if something is actually broken here, a larger rework may be
necessary.

Fixes: 37ea0558b87a ("[SCSI] bfa: Added support to collect and reset fcport stats")
Fixes: 3ec4f2c8bff2 ("[SCSI] bfa: Added support to configure QOS and collect stats.")
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240222124433.2046570-1-arnd@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/bfa/bfa.h      |  9 ++++++++-
 drivers/scsi/bfa/bfa_core.c |  4 +---
 drivers/scsi/bfa/bfa_ioc.h  |  8 ++++++--
 drivers/scsi/bfa/bfad_bsg.c | 11 ++++-------
 4 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h
index 7bd2ba1ad4d11..f30fe324e6ecc 100644
--- a/drivers/scsi/bfa/bfa.h
+++ b/drivers/scsi/bfa/bfa.h
@@ -20,7 +20,6 @@
 struct bfa_s;
 
 typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m);
-typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status);
 
 /*
  * Interrupt message handlers
@@ -437,4 +436,12 @@ struct bfa_cb_pending_q_s {
 	(__qe)->data = (__data);				\
 } while (0)
 
+#define bfa_pending_q_init_status(__qe, __cbfn, __cbarg, __data) do {	\
+	bfa_q_qe_init(&((__qe)->hcb_qe.qe));			\
+	(__qe)->hcb_qe.cbfn_status = (__cbfn);			\
+	(__qe)->hcb_qe.cbarg = (__cbarg);			\
+	(__qe)->hcb_qe.pre_rmv = BFA_TRUE;			\
+	(__qe)->data = (__data);				\
+} while (0)
+
 #endif /* __BFA_H__ */
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index 6846ca8f7313c..3438d0b8ba062 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -1907,15 +1907,13 @@ bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
 	struct list_head		*qe;
 	struct list_head		*qen;
 	struct bfa_cb_qe_s	*hcb_qe;
-	bfa_cb_cbfn_status_t	cbfn;
 
 	list_for_each_safe(qe, qen, comp_q) {
 		hcb_qe = (struct bfa_cb_qe_s *) qe;
 		if (hcb_qe->pre_rmv) {
 			/* qe is invalid after return, dequeue before cbfn() */
 			list_del(qe);
-			cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn);
-			cbfn(hcb_qe->cbarg, hcb_qe->fw_status);
+			hcb_qe->cbfn_status(hcb_qe->cbarg, hcb_qe->fw_status);
 		} else
 			hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
 	}
diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
index 933a1c3890ff5..5e568d6d7b261 100644
--- a/drivers/scsi/bfa/bfa_ioc.h
+++ b/drivers/scsi/bfa/bfa_ioc.h
@@ -361,14 +361,18 @@ struct bfa_reqq_wait_s {
 	void	*cbarg;
 };
 
-typedef void	(*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
+typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
+typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status);
 
 /*
  * Generic BFA callback element.
  */
 struct bfa_cb_qe_s {
 	struct list_head	qe;
-	bfa_cb_cbfn_t	cbfn;
+	union {
+		bfa_cb_cbfn_status_t	cbfn_status;
+		bfa_cb_cbfn_t		cbfn;
+	};
 	bfa_boolean_t	once;
 	bfa_boolean_t	pre_rmv;	/* set for stack based qe(s) */
 	bfa_status_t	fw_status;	/* to access fw status in comp proc */
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index be8dfbe13e904..524e4e6979c9f 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -2135,8 +2135,7 @@ bfad_iocmd_fcport_get_stats(struct bfad_s *bfad, void *cmd)
 	struct bfa_cb_pending_q_s cb_qe;
 
 	init_completion(&fcomp.comp);
-	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
-			   &fcomp, &iocmd->stats);
+	bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, &iocmd->stats);
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	iocmd->status = bfa_fcport_get_stats(&bfad->bfa, &cb_qe);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
@@ -2159,7 +2158,7 @@ bfad_iocmd_fcport_reset_stats(struct bfad_s *bfad, void *cmd)
 	struct bfa_cb_pending_q_s cb_qe;
 
 	init_completion(&fcomp.comp);
-	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp, &fcomp, NULL);
+	bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, NULL);
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	iocmd->status = bfa_fcport_clear_stats(&bfad->bfa, &cb_qe);
@@ -2443,8 +2442,7 @@ bfad_iocmd_qos_get_stats(struct bfad_s *bfad, void *cmd)
 	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
 
 	init_completion(&fcomp.comp);
-	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
-			   &fcomp, &iocmd->stats);
+	bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, &iocmd->stats);
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
@@ -2474,8 +2472,7 @@ bfad_iocmd_qos_reset_stats(struct bfad_s *bfad, void *cmd)
 	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
 
 	init_completion(&fcomp.comp);
-	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
-			   &fcomp, NULL);
+	bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, NULL);
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 267/317] net: sunrpc: Fix an off by one in rpc_sockaddr2uaddr()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (265 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 266/317] scsi: bfa: Fix function pointer type mismatch for hcb_qe->cbfn Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 268/317] NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 Sasha Levin
                   ` (52 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Christophe JAILLET, Benjamin Coddington, Trond Myklebust, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit d6f4de70f73a106986ee315d7d512539f2f3303a ]

The intent is to check if the strings' are truncated or not. So, >= should
be used instead of >, because strlcat() and snprintf() return the length of
the output, excluding the trailing NULL.

Fixes: a02d69261134 ("SUNRPC: Provide functions for managing universal addresses")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/sunrpc/addr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index d435bffc61999..97ff11973c493 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -284,10 +284,10 @@ char *rpc_sockaddr2uaddr(const struct sockaddr *sap, gfp_t gfp_flags)
 	}
 
 	if (snprintf(portbuf, sizeof(portbuf),
-		     ".%u.%u", port >> 8, port & 0xff) > (int)sizeof(portbuf))
+		     ".%u.%u", port >> 8, port & 0xff) >= (int)sizeof(portbuf))
 		return NULL;
 
-	if (strlcat(addrbuf, portbuf, sizeof(addrbuf)) > sizeof(addrbuf))
+	if (strlcat(addrbuf, portbuf, sizeof(addrbuf)) >= sizeof(addrbuf))
 		return NULL;
 
 	return kstrdup(addrbuf, gfp_flags);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 268/317] NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (266 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 267/317] net: sunrpc: Fix an off by one in rpc_sockaddr2uaddr() Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 269/317] NFSv4.2: fix listxattr maximum XDR buffer size Sasha Levin
                   ` (51 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jorge Mora, Jorge Mora, Benjamin Coddington, Trond Myklebust,
	Sasha Levin

From: Jorge Mora <jmora1300@gmail.com>

[ Upstream commit 251a658bbfceafb4d58c76b77682c8bf7bcfad65 ]

A call to listxattr() with a buffer size = 0 returns the actual
size of the buffer needed for a subsequent call. When size > 0,
nfs4_listxattr() does not return an error because either
generic_listxattr() or nfs4_listxattr_nfs4_label() consumes
exactly all the bytes then size is 0 when calling
nfs4_listxattr_nfs4_user() which then triggers the following
kernel BUG:

  [   99.403778] kernel BUG at mm/usercopy.c:102!
  [   99.404063] Internal error: Oops - BUG: 00000000f2000800 [#1] SMP
  [   99.408463] CPU: 0 PID: 3310 Comm: python3 Not tainted 6.6.0-61.fc40.aarch64 #1
  [   99.415827] Call trace:
  [   99.415985]  usercopy_abort+0x70/0xa0
  [   99.416227]  __check_heap_object+0x134/0x158
  [   99.416505]  check_heap_object+0x150/0x188
  [   99.416696]  __check_object_size.part.0+0x78/0x168
  [   99.416886]  __check_object_size+0x28/0x40
  [   99.417078]  listxattr+0x8c/0x120
  [   99.417252]  path_listxattr+0x78/0xe0
  [   99.417476]  __arm64_sys_listxattr+0x28/0x40
  [   99.417723]  invoke_syscall+0x78/0x100
  [   99.417929]  el0_svc_common.constprop.0+0x48/0xf0
  [   99.418186]  do_el0_svc+0x24/0x38
  [   99.418376]  el0_svc+0x3c/0x110
  [   99.418554]  el0t_64_sync_handler+0x120/0x130
  [   99.418788]  el0t_64_sync+0x194/0x198
  [   99.418994] Code: aa0003e3 d000a3e0 91310000 97f49bdb (d4210000)

Issue is reproduced when generic_listxattr() returns 'system.nfs4_acl',
thus calling lisxattr() with size = 16 will trigger the bug.

Add check on nfs4_listxattr() to return ERANGE error when it is
called with size > 0 and the return value is greater than size.

Fixes: 012a211abd5d ("NFSv4.2: hook in the user extended attribute handlers")
Signed-off-by: Jorge Mora <mora@netapp.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/nfs/nfs4proc.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a865b384f0fc0..925ad7dbe6a0d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -10517,29 +10517,33 @@ const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = {
 static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size)
 {
 	ssize_t error, error2, error3;
+	size_t left = size;
 
-	error = generic_listxattr(dentry, list, size);
+	error = generic_listxattr(dentry, list, left);
 	if (error < 0)
 		return error;
 	if (list) {
 		list += error;
-		size -= error;
+		left -= error;
 	}
 
-	error2 = nfs4_listxattr_nfs4_label(d_inode(dentry), list, size);
+	error2 = nfs4_listxattr_nfs4_label(d_inode(dentry), list, left);
 	if (error2 < 0)
 		return error2;
 
 	if (list) {
 		list += error2;
-		size -= error2;
+		left -= error2;
 	}
 
-	error3 = nfs4_listxattr_nfs4_user(d_inode(dentry), list, size);
+	error3 = nfs4_listxattr_nfs4_user(d_inode(dentry), list, left);
 	if (error3 < 0)
 		return error3;
 
-	return error + error2 + error3;
+	error += error2 + error3;
+	if (size && error > size)
+		return -ERANGE;
+	return error;
 }
 
 static void nfs4_enable_swap(struct inode *inode)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 269/317] NFSv4.2: fix listxattr maximum XDR buffer size
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (267 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 268/317] NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 270/317] watchdog: stm32_iwdg: initialize default timeout Sasha Levin
                   ` (50 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jorge Mora, Jorge Mora, Benjamin Coddington, Trond Myklebust,
	Sasha Levin

From: Jorge Mora <jmora1300@gmail.com>

[ Upstream commit bcac8bff90a6ee1629f90669cdb9d28fb86049b0 ]

Switch order of operations to avoid creating a short XDR buffer:
e.g., buflen = 12, old xdrlen = 12, new xdrlen = 20.

Having a short XDR buffer leads to lxa_maxcount be a few bytes
less than what is needed to retrieve the whole list when using
a buflen as returned by a call with size = 0:
    buflen = listxattr(path, NULL, 0);
    buf = malloc(buflen);
    buflen = listxattr(path, buf, buflen);

For a file with one attribute (name = '123456'), the first call
with size = 0 will return buflen = 12 ('user.123456\x00').
The second call with size = 12, sends LISTXATTRS with
lxa_maxcount = 12 + 8 (cookie) + 4 (array count) = 24. The
XDR buffer needs 8 (cookie) + 4 (array count) + 4 (name count)
+ 6 (name len) + 2 (padding) + 4 (eof) = 28 which is 4 bytes
shorter than the lxa_maxcount provided in the call.

Fixes: 04a5da690e8f ("NFSv4.2: define limits and sizes for user xattr handling")
Signed-off-by: Jorge Mora <mora@netapp.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/nfs/nfs42.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/nfs42.h b/fs/nfs/nfs42.h
index 0fe5aacbcfdf1..e7192d0eea3de 100644
--- a/fs/nfs/nfs42.h
+++ b/fs/nfs/nfs42.h
@@ -54,11 +54,14 @@ int nfs42_proc_removexattr(struct inode *inode, const char *name);
  * They would be 7 bytes long in the eventual buffer ("user.x\0"), and
  * 8 bytes long XDR-encoded.
  *
- * Include the trailing eof word as well.
+ * Include the trailing eof word as well and make the result a multiple
+ * of 4 bytes.
  */
 static inline u32 nfs42_listxattr_xdrsize(u32 buflen)
 {
-	return ((buflen / (XATTR_USER_PREFIX_LEN + 2)) * 8) + 4;
+	u32 size = 8 * buflen / (XATTR_USER_PREFIX_LEN + 2) + 4;
+
+	return (size + 3) & ~3;
 }
 #endif /* CONFIG_NFS_V4_2 */
 #endif /* __LINUX_FS_NFS_NFS4_2_H */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 270/317] watchdog: stm32_iwdg: initialize default timeout
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (268 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 269/317] NFSv4.2: fix listxattr maximum XDR buffer size Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 271/317] NFS: Fix an off by one in root_nfs_cat() Sasha Levin
                   ` (49 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ben Wolsieffer, Guenter Roeck, Wim Van Sebroeck, Sasha Levin

From: Ben Wolsieffer <ben.wolsieffer@hefring.com>

[ Upstream commit dbd7c0088b7f44aa0b9276ed3449df075a7b5b54 ]

The driver never sets a default timeout value, therefore it is
initialized to zero. When CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED is
enabled, the watchdog is started during probe. The kernel is supposed to
automatically ping the watchdog from this point until userspace takes
over, but this does not happen if the configured timeout is zero. A zero
timeout causes watchdog_need_worker() to return false, so the heartbeat
worker does not run and the system therefore resets soon after the
driver is probed.

This patch fixes this by setting an arbitrary non-zero default timeout.
The default could be read from the hardware instead, but I didn't see
any reason to add this complexity.

This has been tested on an STM32F746.

Fixes: 85fdc63fe256 ("drivers: watchdog: stm32_iwdg: set WDOG_HW_RUNNING at probe")
Signed-off-by: Ben Wolsieffer <ben.wolsieffer@hefring.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240228182723.12855-1-ben.wolsieffer@hefring.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/watchdog/stm32_iwdg.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/watchdog/stm32_iwdg.c b/drivers/watchdog/stm32_iwdg.c
index a3436c296c97b..8a7b1279a3130 100644
--- a/drivers/watchdog/stm32_iwdg.c
+++ b/drivers/watchdog/stm32_iwdg.c
@@ -21,6 +21,8 @@
 #include <linux/platform_device.h>
 #include <linux/watchdog.h>
 
+#define DEFAULT_TIMEOUT 10
+
 /* IWDG registers */
 #define IWDG_KR		0x00 /* Key register */
 #define IWDG_PR		0x04 /* Prescaler Register */
@@ -251,6 +253,7 @@ static int stm32_iwdg_probe(struct platform_device *pdev)
 	wdd->parent = dev;
 	wdd->info = &stm32_iwdg_info;
 	wdd->ops = &stm32_iwdg_ops;
+	wdd->timeout = DEFAULT_TIMEOUT;
 	wdd->min_timeout = DIV_ROUND_UP((RLR_MIN + 1) * PR_MIN, wdt->rate);
 	wdd->max_hw_heartbeat_ms = ((RLR_MAX + 1) * wdt->data->max_prescaler *
 				    1000) / wdt->rate;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 271/317] NFS: Fix an off by one in root_nfs_cat()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (269 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 270/317] watchdog: stm32_iwdg: initialize default timeout Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 272/317] f2fs: compress: fix reserve_cblocks counting error when out of space Sasha Levin
                   ` (48 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Christophe JAILLET, Benjamin Coddington, Trond Myklebust, Sasha Levin

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 698ad1a538da0b6bf969cfee630b4e3a026afb87 ]

The intent is to check if 'dest' is truncated or not. So, >= should be
used instead of >, because strlcat() returns the length of 'dest' and 'src'
excluding the trailing NULL.

Fixes: 56463e50d1fc ("NFS: Use super.c for NFSROOT mount option parsing")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/nfs/nfsroot.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index fa148308822cc..c2cf4ff628811 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -175,10 +175,10 @@ static int __init root_nfs_cat(char *dest, const char *src,
 	size_t len = strlen(dest);
 
 	if (len && dest[len - 1] != ',')
-		if (strlcat(dest, ",", destlen) > destlen)
+		if (strlcat(dest, ",", destlen) >= destlen)
 			return -1;
 
-	if (strlcat(dest, src, destlen) > destlen)
+	if (strlcat(dest, src, destlen) >= destlen)
 		return -1;
 	return 0;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 272/317] f2fs: compress: fix reserve_cblocks counting error when out of space
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (270 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 271/317] NFS: Fix an off by one in root_nfs_cat() Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 273/317] afs: Revert "afs: Hide silly-rename files from userspace" Sasha Levin
                   ` (47 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Xiuhong Wang, Zhiguo Niu, Chao Yu, Jaegeuk Kim, Sasha Levin

From: Xiuhong Wang <xiuhong.wang@unisoc.com>

[ Upstream commit 2f6d721e14b69d6e1251f69fa238b48e8374e25f ]

When a file only needs one direct_node, performing the following
operations will cause the file to be unrepairable:

unisoc # ./f2fs_io compress test.apk
unisoc #df -h | grep dm-48
/dev/block/dm-48 112G 112G 1.2M 100% /data

unisoc # ./f2fs_io release_cblocks test.apk
924
unisoc # df -h | grep dm-48
/dev/block/dm-48 112G 112G 4.8M 100% /data

unisoc # dd if=/dev/random of=file4 bs=1M count=3
3145728 bytes (3.0 M) copied, 0.025 s, 120 M/s
unisoc # df -h | grep dm-48
/dev/block/dm-48 112G 112G 1.8M 100% /data

unisoc # ./f2fs_io reserve_cblocks test.apk
F2FS_IOC_RESERVE_COMPRESS_BLOCKS failed: No space left on device

adb reboot
unisoc # df -h  | grep dm-48
/dev/block/dm-48             112G 112G   11M 100% /data
unisoc # ./f2fs_io reserve_cblocks test.apk
0

This is because the file has only one direct_node. After returning
to -ENOSPC, reserved_blocks += ret will not be executed. As a result,
the reserved_blocks at this time is still 0, which is not the real
number of reserved blocks. Therefore, fsck cannot be set to repair
the file.

After this patch, the fsck flag will be set to fix this problem.

unisoc # df -h | grep dm-48
/dev/block/dm-48             112G 112G  1.8M 100% /data
unisoc # ./f2fs_io reserve_cblocks test.apk
F2FS_IOC_RESERVE_COMPRESS_BLOCKS failed: No space left on device

adb reboot then fsck will be executed
unisoc # df -h  | grep dm-48
/dev/block/dm-48             112G 112G   11M 100% /data
unisoc # ./f2fs_io reserve_cblocks test.apk
924

Fixes: c75488fb4d82 ("f2fs: introduce F2FS_IOC_RESERVE_COMPRESS_BLOCKS")
Signed-off-by: Xiuhong Wang <xiuhong.wang@unisoc.com>
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/file.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index bab83ce4fe091..378ab6bd1b8d8 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3532,10 +3532,10 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
 	return ret;
 }
 
-static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
+static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count,
+		unsigned int *reserved_blocks)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
-	unsigned int reserved_blocks = 0;
 	int cluster_size = F2FS_I(dn->inode)->i_cluster_size;
 	block_t blkaddr;
 	int i;
@@ -3596,12 +3596,12 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
 
 		f2fs_i_compr_blocks_update(dn->inode, compr_blocks, true);
 
-		reserved_blocks += reserved;
+		*reserved_blocks += reserved;
 next:
 		count -= cluster_size;
 	}
 
-	return reserved_blocks;
+	return 0;
 }
 
 static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
@@ -3662,7 +3662,7 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
 		count = min(end_offset - dn.ofs_in_node, last_idx - page_idx);
 		count = round_up(count, F2FS_I(inode)->i_cluster_size);
 
-		ret = reserve_compress_blocks(&dn, count);
+		ret = reserve_compress_blocks(&dn, count, &reserved_blocks);
 
 		f2fs_put_dnode(&dn);
 
@@ -3670,13 +3670,12 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
 			break;
 
 		page_idx += count;
-		reserved_blocks += ret;
 	}
 
 	filemap_invalidate_unlock(inode->i_mapping);
 	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
-	if (ret >= 0) {
+	if (!ret) {
 		clear_inode_flag(inode, FI_COMPRESS_RELEASED);
 		inode->i_ctime = current_time(inode);
 		f2fs_mark_inode_dirty_sync(inode, true);
@@ -3686,7 +3685,7 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
 out:
 	mnt_drop_write_file(filp);
 
-	if (ret >= 0) {
+	if (!ret) {
 		ret = put_user(reserved_blocks, (u64 __user *)arg);
 	} else if (reserved_blocks &&
 			atomic_read(&F2FS_I(inode)->i_compr_blocks)) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 273/317] afs: Revert "afs: Hide silly-rename files from userspace"
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (271 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 272/317] f2fs: compress: fix reserve_cblocks counting error when out of space Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 274/317] comedi: comedi_test: Prevent timers rescheduling during deletion Sasha Levin
                   ` (46 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: David Howells, Markus Suvanto, Jeffrey E Altman, Marc Dionne,
	linux-afs, Christian Brauner, Sasha Levin

From: David Howells <dhowells@redhat.com>

[ Upstream commit 0aec3847d044273733285dcff90afda89ad461d2 ]

This reverts commit 57e9d49c54528c49b8bffe6d99d782ea051ea534.

This undoes the hiding of .__afsXXXX silly-rename files.  The problem with
hiding them is that rm can't then manually delete them.

This also reverts commit 5f7a07646655fb4108da527565dcdc80124b14c4 ("afs: Fix
endless loop in directory parsing") as that's a bugfix for the above.

Fixes: 57e9d49c5452 ("afs: Hide silly-rename files from userspace")
Reported-by: Markus Suvanto <markus.suvanto@gmail.com>
Link: https://lists.infradead.org/pipermail/linux-afs/2024-February/008102.html
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/3085695.1710328121@warthog.procyon.org.uk
Reviewed-by: Jeffrey E Altman <jaltman@auristor.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/afs/dir.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index c4e22e9f7a666..cec18f9f8bd7a 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -492,16 +492,6 @@ static int afs_dir_iterate_block(struct afs_vnode *dvnode,
 			continue;
 		}
 
-		/* Don't expose silly rename entries to userspace. */
-		if (nlen > 6 &&
-		    dire->u.name[0] == '.' &&
-		    ctx->actor != afs_lookup_filldir &&
-		    ctx->actor != afs_lookup_one_filldir &&
-		    memcmp(dire->u.name, ".__afs", 6) == 0) {
-			ctx->pos = blkoff + next * sizeof(union afs_xdr_dirent);
-			continue;
-		}
-
 		/* found the next entry */
 		if (!dir_emit(ctx, dire->u.name, nlen,
 			      ntohl(dire->u.vnode),
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 274/317] comedi: comedi_test: Prevent timers rescheduling during deletion
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (272 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 273/317] afs: Revert "afs: Hide silly-rename files from userspace" Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 275/317] remoteproc: stm32: use correct format strings on 64-bit Sasha Levin
                   ` (45 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Ian Abbott, Greg Kroah-Hartman

From: Ian Abbott <abbotti@mev.co.uk>

commit f53641a6e849034a44bf80f50245a75d7a376025 upstream.

The comedi_test devices have a couple of timers (ai_timer and ao_timer)
that can be started to simulate hardware interrupts.  Their expiry
functions normally reschedule the timer.  The driver code calls either
del_timer_sync() or del_timer() to delete the timers from the queue, but
does not currently prevent the timers from rescheduling themselves so
synchronized deletion may be ineffective.

Add a couple of boolean members (one for each timer: ai_timer_enable and
ao_timer_enable) to the device private data structure to indicate
whether the timers are allowed to reschedule themselves.  Set the member
to true when adding the timer to the queue, and to false when deleting
the timer from the queue in the waveform_ai_cancel() and
waveform_ao_cancel() functions.

The del_timer_sync() function is also called from the waveform_detach()
function, but the timer enable members will already be set to false when
that function is called, so no change is needed there.

Fixes: 403fe7f34e33 ("staging: comedi: comedi_test: fix timer race conditions")
Cc: stable@vger.kernel.org # 4.4+
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20240214100747.16203-1-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/comedi/drivers/comedi_test.c | 30 ++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/drivers/comedi/drivers/comedi_test.c b/drivers/comedi/drivers/comedi_test.c
index cbc225eb19918..bea9a3adf08c8 100644
--- a/drivers/comedi/drivers/comedi_test.c
+++ b/drivers/comedi/drivers/comedi_test.c
@@ -87,6 +87,8 @@ struct waveform_private {
 	struct comedi_device *dev;	/* parent comedi device */
 	u64 ao_last_scan_time;		/* time of previous AO scan in usec */
 	unsigned int ao_scan_period;	/* AO scan period in usec */
+	bool ai_timer_enable:1;		/* should AI timer be running? */
+	bool ao_timer_enable:1;		/* should AO timer be running? */
 	unsigned short ao_loopbacks[N_CHANS];
 };
 
@@ -236,8 +238,12 @@ static void waveform_ai_timer(struct timer_list *t)
 			time_increment = devpriv->ai_convert_time - now;
 		else
 			time_increment = 1;
-		mod_timer(&devpriv->ai_timer,
-			  jiffies + usecs_to_jiffies(time_increment));
+		spin_lock(&dev->spinlock);
+		if (devpriv->ai_timer_enable) {
+			mod_timer(&devpriv->ai_timer,
+				  jiffies + usecs_to_jiffies(time_increment));
+		}
+		spin_unlock(&dev->spinlock);
 	}
 
 overrun:
@@ -393,9 +399,12 @@ static int waveform_ai_cmd(struct comedi_device *dev,
 	 * Seem to need an extra jiffy here, otherwise timer expires slightly
 	 * early!
 	 */
+	spin_lock_bh(&dev->spinlock);
+	devpriv->ai_timer_enable = true;
 	devpriv->ai_timer.expires =
 		jiffies + usecs_to_jiffies(devpriv->ai_convert_period) + 1;
 	add_timer(&devpriv->ai_timer);
+	spin_unlock_bh(&dev->spinlock);
 	return 0;
 }
 
@@ -404,6 +413,9 @@ static int waveform_ai_cancel(struct comedi_device *dev,
 {
 	struct waveform_private *devpriv = dev->private;
 
+	spin_lock_bh(&dev->spinlock);
+	devpriv->ai_timer_enable = false;
+	spin_unlock_bh(&dev->spinlock);
 	if (in_softirq()) {
 		/* Assume we were called from the timer routine itself. */
 		del_timer(&devpriv->ai_timer);
@@ -495,8 +507,12 @@ static void waveform_ao_timer(struct timer_list *t)
 		unsigned int time_inc = devpriv->ao_last_scan_time +
 					devpriv->ao_scan_period - now;
 
-		mod_timer(&devpriv->ao_timer,
-			  jiffies + usecs_to_jiffies(time_inc));
+		spin_lock(&dev->spinlock);
+		if (devpriv->ao_timer_enable) {
+			mod_timer(&devpriv->ao_timer,
+				  jiffies + usecs_to_jiffies(time_inc));
+		}
+		spin_unlock(&dev->spinlock);
 	}
 
 underrun:
@@ -517,9 +533,12 @@ static int waveform_ao_inttrig_start(struct comedi_device *dev,
 	async->inttrig = NULL;
 
 	devpriv->ao_last_scan_time = ktime_to_us(ktime_get());
+	spin_lock_bh(&dev->spinlock);
+	devpriv->ao_timer_enable = true;
 	devpriv->ao_timer.expires =
 		jiffies + usecs_to_jiffies(devpriv->ao_scan_period);
 	add_timer(&devpriv->ao_timer);
+	spin_unlock_bh(&dev->spinlock);
 
 	return 1;
 }
@@ -604,6 +623,9 @@ static int waveform_ao_cancel(struct comedi_device *dev,
 	struct waveform_private *devpriv = dev->private;
 
 	s->async->inttrig = NULL;
+	spin_lock_bh(&dev->spinlock);
+	devpriv->ao_timer_enable = false;
+	spin_unlock_bh(&dev->spinlock);
 	if (in_softirq()) {
 		/* Assume we were called from the timer routine itself. */
 		del_timer(&devpriv->ao_timer);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 275/317] remoteproc: stm32: use correct format strings on 64-bit
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (273 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 274/317] comedi: comedi_test: Prevent timers rescheduling during deletion Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 276/317] remoteproc: stm32: Fix incorrect type in assignment for va Sasha Levin
                   ` (44 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arnd Bergmann, Arnaud Pouliquen, Randy Dunlap, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 03bd158e1535e68bcd2b1e095b0ebcad7c84bd20 ]

With CONFIG_ARCH_STM32 making it into arch/arm64, a couple of format
strings no longer work, since they rely on size_t being compatible
with %x, or they print an 'int' using %z:

drivers/remoteproc/stm32_rproc.c: In function 'stm32_rproc_mem_alloc':
drivers/remoteproc/stm32_rproc.c:122:22: error: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'size_t' {aka 'long unsigned int'} [-Werror=format=]
drivers/remoteproc/stm32_rproc.c:122:40: note: format string is defined here
  122 |         dev_dbg(dev, "map memory: %pa+%x\n", &mem->dma, mem->len);
      |                                       ~^
      |                                        |
      |                                        unsigned int
      |                                       %lx
drivers/remoteproc/stm32_rproc.c:125:30: error: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'size_t' {aka 'long unsigned int'} [-Werror=format=]
drivers/remoteproc/stm32_rproc.c:125:65: note: format string is defined here
  125 |                 dev_err(dev, "Unable to map memory region: %pa+%x\n",
      |                                                                ~^
      |                                                                 |
      |                                                                 unsigned int
      |                                                                %lx
drivers/remoteproc/stm32_rproc.c: In function 'stm32_rproc_get_loaded_rsc_table':
drivers/remoteproc/stm32_rproc.c:646:30: error: format '%zx' expects argument of type 'size_t', but argument 4 has type 'int' [-Werror=format=]
drivers/remoteproc/stm32_rproc.c:646:66: note: format string is defined here
  646 |                 dev_err(dev, "Unable to map memory region: %pa+%zx\n",
      |                                                                ~~^
      |                                                                  |
      |                                                                  long unsigned int
      |                                                                %x

Fix up all three instances to work across architectures, and enable
compile testing for this driver to ensure it builds everywhere.

Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Stable-dep-of: 32381bbccba4 ("remoteproc: stm32: Fix incorrect type in assignment for va")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/remoteproc/Kconfig       | 2 +-
 drivers/remoteproc/stm32_rproc.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index 9a6eedc3994a5..d89460429257e 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -276,7 +276,7 @@ config ST_SLIM_REMOTEPROC
 
 config STM32_RPROC
 	tristate "STM32 remoteproc support"
-	depends on ARCH_STM32
+	depends on ARCH_STM32 || COMPILE_TEST
 	depends on REMOTEPROC
 	select MAILBOX
 	help
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index aba3df1d1bf52..43715594bd801 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -118,10 +118,10 @@ static int stm32_rproc_mem_alloc(struct rproc *rproc,
 	struct device *dev = rproc->dev.parent;
 	void *va;
 
-	dev_dbg(dev, "map memory: %pa+%x\n", &mem->dma, mem->len);
+	dev_dbg(dev, "map memory: %pad+%zx\n", &mem->dma, mem->len);
 	va = ioremap_wc(mem->dma, mem->len);
 	if (IS_ERR_OR_NULL(va)) {
-		dev_err(dev, "Unable to map memory region: %pa+%x\n",
+		dev_err(dev, "Unable to map memory region: %pad+0x%zx\n",
 			&mem->dma, mem->len);
 		return -ENOMEM;
 	}
@@ -627,7 +627,7 @@ stm32_rproc_get_loaded_rsc_table(struct rproc *rproc, size_t *table_sz)
 
 	ddata->rsc_va = devm_ioremap_wc(dev, rsc_pa, RSC_TBL_SIZE);
 	if (IS_ERR_OR_NULL(ddata->rsc_va)) {
-		dev_err(dev, "Unable to map memory region: %pa+%zx\n",
+		dev_err(dev, "Unable to map memory region: %pa+%x\n",
 			&rsc_pa, RSC_TBL_SIZE);
 		ddata->rsc_va = NULL;
 		return ERR_PTR(-ENOMEM);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 276/317] remoteproc: stm32: Fix incorrect type in assignment for va
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (274 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 275/317] remoteproc: stm32: use correct format strings on 64-bit Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 277/317] remoteproc: stm32: Fix incorrect type assignment returned by stm32_rproc_get_loaded_rsc_tablef Sasha Levin
                   ` (43 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arnaud Pouliquen, kernel test robot, Mathieu Poirier, Sasha Levin

From: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>

[ Upstream commit 32381bbccba4c21145c571701f8f7fb1d9b3a92e ]

The sparse tool complains about the attribute conversion between
a _iomem void * and a void *:

stm32_rproc.c:122:12: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *va @@     got void [noderef] __iomem * @@
stm32_rproc.c:122:12: sparse:     expected void *va
stm32_rproc.c:122:12: sparse:     got void [noderef] __iomem *

Add '__force' to explicitly specify that the cast is intentional.
This conversion is necessary to cast to virtual addresses pointer,used,
by the remoteproc core.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312150052.HCiNKlqB-lkp@intel.com/
Fixes: 13140de09cc2 ("remoteproc: stm32: add an ST stm32_rproc driver")
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Link: https://lore.kernel.org/r/20240117135312.3381936-2-arnaud.pouliquen@foss.st.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/remoteproc/stm32_rproc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 43715594bd801..e48dce98936ad 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -119,7 +119,7 @@ static int stm32_rproc_mem_alloc(struct rproc *rproc,
 	void *va;
 
 	dev_dbg(dev, "map memory: %pad+%zx\n", &mem->dma, mem->len);
-	va = ioremap_wc(mem->dma, mem->len);
+	va = (__force void *)ioremap_wc(mem->dma, mem->len);
 	if (IS_ERR_OR_NULL(va)) {
 		dev_err(dev, "Unable to map memory region: %pad+0x%zx\n",
 			&mem->dma, mem->len);
@@ -136,7 +136,7 @@ static int stm32_rproc_mem_release(struct rproc *rproc,
 				   struct rproc_mem_entry *mem)
 {
 	dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma);
-	iounmap(mem->va);
+	iounmap((__force __iomem void *)mem->va);
 
 	return 0;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 277/317] remoteproc: stm32: Fix incorrect type assignment returned by stm32_rproc_get_loaded_rsc_tablef
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (275 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 276/317] remoteproc: stm32: Fix incorrect type in assignment for va Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 278/317] tty: vt: fix 20 vs 0x20 typo in EScsiignore Sasha Levin
                   ` (42 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Arnaud Pouliquen, Mathieu Poirier, Sasha Levin

From: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>

[ Upstream commit c77b35ce66af25bdd6fde60b62e35b9b316ea5c2 ]

The sparse tool complains about the remove of the _iomem attribute.

stm32_rproc.c:660:17: warning: cast removes address space '__iomem' of expression

Add '__force' to explicitly specify that the cast is intentional.
This conversion is necessary to cast to addresses pointer,
which are then managed by the remoteproc core as a pointer to a
resource_table structure.

Fixes: 8a471396d21c ("remoteproc: stm32: Move resource table setup to rproc_ops")
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Link: https://lore.kernel.org/r/20240117135312.3381936-3-arnaud.pouliquen@foss.st.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/remoteproc/stm32_rproc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index e48dce98936ad..4db63e07e1cff 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -641,7 +641,7 @@ stm32_rproc_get_loaded_rsc_table(struct rproc *rproc, size_t *table_sz)
 	 * entire area by overwriting it with the initial values stored in rproc->clean_table.
 	 */
 	*table_sz = RSC_TBL_SIZE;
-	return (struct resource_table *)ddata->rsc_va;
+	return (__force struct resource_table *)ddata->rsc_va;
 }
 
 static const struct rproc_ops st_rproc_ops = {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 278/317] tty: vt: fix 20 vs 0x20 typo in EScsiignore
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (276 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 277/317] remoteproc: stm32: Fix incorrect type assignment returned by stm32_rproc_get_loaded_rsc_tablef Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 279/317] serial: max310x: fix syntax error in IRQ error message Sasha Levin
                   ` (41 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jiri Slaby (SUSE),
	Martin Hostettler, Helge Deller, Greg Kroah-Hartman, Sasha Levin

From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>

[ Upstream commit 0e6a92f67c8a94707f7bb27ac29e2bdf3e7c167d ]

The if (c >= 20 && c <= 0x3f) test added in commit 7a99565f8732 is
wrong.  20 is DC4 in ascii and it makes no sense to consider that as the
bottom limit. Instead, it should be 0x20 as in the other test in
the commit above. This is supposed to NOT change anything as we handle
interesting 20-0x20 asciis far before this if.

So for sakeness, change to 0x20 (which is SPACE).

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Fixes: 7a99565f8732 ("vt: ignore csi sequences with intermediate characters.")
Cc: Martin Hostettler <textshell@uchuujin.de>
Link: https://lore.kernel.org/all/ZaP45QY2WEsDqoxg@neutronstar.dyndns.org/
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-4-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/vt/vt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b8f5bc19416d9..442579f087c7c 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2515,7 +2515,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
 		}
 		return;
 	case EScsiignore:
-		if (c >= 20 && c <= 0x3f)
+		if (c >= 0x20 && c <= 0x3f)
 			return;
 		vc->vc_state = ESnormal;
 		return;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 279/317] serial: max310x: fix syntax error in IRQ error message
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (277 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 278/317] tty: vt: fix 20 vs 0x20 typo in EScsiignore Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 280/317] tty: serial: samsung: fix tx_empty() to return TIOCSER_TEMT Sasha Levin
                   ` (40 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Hugo Villeneuve, Andy Shevchenko, Greg Kroah-Hartman, Sasha Levin

From: Hugo Villeneuve <hvilleneuve@dimonoff.com>

[ Upstream commit 8ede8c6f474255b2213cccd7997b993272a8e2f9 ]

Replace g with q.

Helpful when grepping thru source code or logs for
"request" keyword.

Fixes: f65444187a66 ("serial: New serial driver MAX310X")
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-6-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/max310x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index c122e7e90fc89..714c23f9504fc 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1433,7 +1433,7 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
 	if (!ret)
 		return 0;
 
-	dev_err(dev, "Unable to reguest IRQ %i\n", irq);
+	dev_err(dev, "Unable to request IRQ %i\n", irq);
 
 out_uart:
 	for (i = 0; i < devtype->nr; i++) {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 280/317] tty: serial: samsung: fix tx_empty() to return TIOCSER_TEMT
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (278 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 279/317] serial: max310x: fix syntax error in IRQ error message Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 281/317] arm64: dts: broadcom: bcmbca: bcm4908: drop invalid switch cells Sasha Levin
                   ` (39 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Tudor Ambarus, Sam Protsenko, Greg Kroah-Hartman, Sasha Levin

From: Tudor Ambarus <tudor.ambarus@linaro.org>

[ Upstream commit 314c2b399288f0058a8c5b6683292cbde5f1531b ]

The core expects for tx_empty() either TIOCSER_TEMT when the tx is
empty or 0 otherwise. s3c24xx_serial_txempty_nofifo() might return
0x4, and at least uart_get_lsr_info() tries to clear exactly
TIOCSER_TEMT (BIT(1)). Fix tx_empty() to return TIOCSER_TEMT.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-2-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/samsung_tty.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 09b2b40b63c4d..7d3630ddebb39 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -991,11 +991,10 @@ static unsigned int s3c24xx_serial_tx_empty(struct uart_port *port)
 		if ((ufstat & info->tx_fifomask) != 0 ||
 		    (ufstat & info->tx_fifofull))
 			return 0;
-
-		return 1;
+		return TIOCSER_TEMT;
 	}
 
-	return s3c24xx_serial_txempty_nofifo(port);
+	return s3c24xx_serial_txempty_nofifo(port) ? TIOCSER_TEMT : 0;
 }
 
 /* no modem control lines */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 281/317] arm64: dts: broadcom: bcmbca: bcm4908: drop invalid switch cells
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (279 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 280/317] tty: serial: samsung: fix tx_empty() to return TIOCSER_TEMT Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 282/317] kconfig: fix infinite loop when expanding a macro at the end of file Sasha Levin
                   ` (38 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Rafał Miłecki, Florian Fainelli, Sasha Levin

From: Rafał Miłecki <rafal@milecki.pl>

[ Upstream commit 27058b95fbb784406ea4c40b20caa3f04937140c ]

Ethernet switch does not have addressable subnodes.

This fixes:
arch/arm64/boot/dts/broadcom/bcmbca/bcm4908-asus-gt-ac5300.dtb: ethernet-switch@0: '#address-cells', '#size-cells' do not match any of the regexes: 'pinctrl-[0-9]+'
        from schema $id: http://devicetree.org/schemas/net/dsa/brcm,sf2.yaml#

Fixes: 527a3ac9bdf8 ("arm64: dts: broadcom: bcm4908: describe internal switch")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20240111115636.12095-1-zajec5@gmail.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi b/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
index b7db95ce0bbf2..d8e5796509fc9 100644
--- a/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
@@ -180,9 +180,6 @@ ethernet-switch@0 {
 				brcm,num-gphy = <5>;
 				brcm,num-rgmii-ports = <2>;
 
-				#address-cells = <1>;
-				#size-cells = <0>;
-
 				ports: ports {
 					#address-cells = <1>;
 					#size-cells = <0>;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 282/317] kconfig: fix infinite loop when expanding a macro at the end of file
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (280 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 281/317] arm64: dts: broadcom: bcmbca: bcm4908: drop invalid switch cells Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34   ` Sasha Levin
                   ` (37 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Masahiro Yamada, Sasha Levin

From: Masahiro Yamada <masahiroy@kernel.org>

[ Upstream commit af8bbce92044dc58e4cc039ab94ee5d470a621f5 ]

A macro placed at the end of a file with no newline causes an infinite
loop.

[Test Kconfig]
  $(info,hello)
  \ No newline at end of file

I realized that flex-provided input() returns 0 instead of EOF when it
reaches the end of a file.

Fixes: 104daea149c4 ("kconfig: reference environment variables directly and remove 'option env='")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 scripts/kconfig/lexer.l | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 312cbad2d34d4..2a76393d52b5b 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -301,8 +301,11 @@ static char *expand_token(const char *in, size_t n)
 	new_string();
 	append_string(in, n);
 
-	/* get the whole line because we do not know the end of token. */
-	while ((c = input()) != EOF) {
+	/*
+	 * get the whole line because we do not know the end of token.
+	 * input() returns 0 (not EOF!) when it reachs the end of file.
+	 */
+	while ((c = input()) != 0) {
 		if (c == '\n') {
 			unput(c);
 			break;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 283/317] rtc: mt6397: select IRQ_DOMAIN instead of depending on it
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
@ 2024-03-24 23:34   ` Sasha Levin
  2024-03-24 23:29 ` [PATCH 5.15 002/317] io_uring: drop any code related to SCM_RIGHTS Sasha Levin
                     ` (318 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Randy Dunlap, Arnd Bergmann, Eddie Huang, Sean Wang,
	Matthias Brugger, linux-arm-kernel, linux-mediatek,
	Alessandro Zummo, Alexandre Belloni, linux-rtc, Marc Zyngier,
	Philipp Zabel, Peter Rosin, AngeloGioacchino Del Regno,
	Sasha Levin

From: Randy Dunlap <rdunlap@infradead.org>

[ Upstream commit 544c42f798e1651dcb04fb0395219bf0f1c2607e ]

IRQ_DOMAIN is a hidden (not user visible) symbol. Users cannot set
it directly thru "make *config", so drivers should select it instead
of depending on it if they need it.
Relying on it being set for a dependency is risky.

Consistently using "select" or "depends on" can also help reduce
Kconfig circular dependency issues.

Therefore, change the use of "depends on" for IRQ_DOMAIN to
"select" for RTC_DRV_MT6397.

Fixes: 04d3ba70a3c9 ("rtc: mt6397: add IRQ domain dependency")
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Eddie Huang <eddie.huang@mediatek.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-rtc@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Peter Rosin <peda@axentia.se>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20240213050258.6167-1-rdunlap@infradead.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/rtc/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index e1bc5214494e2..ee59c82f9df18 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1814,7 +1814,8 @@ config RTC_DRV_MT2712
 
 config RTC_DRV_MT6397
 	tristate "MediaTek PMIC based RTC"
-	depends on MFD_MT6397 || (COMPILE_TEST && IRQ_DOMAIN)
+	depends on MFD_MT6397 || COMPILE_TEST
+	select IRQ_DOMAIN
 	help
 	  This selects the MediaTek(R) RTC driver. RTC is part of MediaTek
 	  MT6397 PMIC. You should enable MT6397 PMIC MFD before select
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 283/317] rtc: mt6397: select IRQ_DOMAIN instead of depending on it
@ 2024-03-24 23:34   ` Sasha Levin
  0 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Randy Dunlap, Arnd Bergmann, Eddie Huang, Sean Wang,
	Matthias Brugger, linux-arm-kernel, linux-mediatek,
	Alessandro Zummo, Alexandre Belloni, linux-rtc, Marc Zyngier,
	Philipp Zabel, Peter Rosin, AngeloGioacchino Del Regno,
	Sasha Levin

From: Randy Dunlap <rdunlap@infradead.org>

[ Upstream commit 544c42f798e1651dcb04fb0395219bf0f1c2607e ]

IRQ_DOMAIN is a hidden (not user visible) symbol. Users cannot set
it directly thru "make *config", so drivers should select it instead
of depending on it if they need it.
Relying on it being set for a dependency is risky.

Consistently using "select" or "depends on" can also help reduce
Kconfig circular dependency issues.

Therefore, change the use of "depends on" for IRQ_DOMAIN to
"select" for RTC_DRV_MT6397.

Fixes: 04d3ba70a3c9 ("rtc: mt6397: add IRQ domain dependency")
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Eddie Huang <eddie.huang@mediatek.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-rtc@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Peter Rosin <peda@axentia.se>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20240213050258.6167-1-rdunlap@infradead.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/rtc/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index e1bc5214494e2..ee59c82f9df18 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1814,7 +1814,8 @@ config RTC_DRV_MT2712
 
 config RTC_DRV_MT6397
 	tristate "MediaTek PMIC based RTC"
-	depends on MFD_MT6397 || (COMPILE_TEST && IRQ_DOMAIN)
+	depends on MFD_MT6397 || COMPILE_TEST
+	select IRQ_DOMAIN
 	help
 	  This selects the MediaTek(R) RTC driver. RTC is part of MediaTek
 	  MT6397 PMIC. You should enable MT6397 PMIC MFD before select
-- 
2.43.0


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 284/317] serial: 8250_exar: Don't remove GPIO device on suspend
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (282 preceding siblings ...)
  2024-03-24 23:34   ` Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 285/317] staging: greybus: fix get_channel_from_mode() failure path Sasha Levin
                   ` (35 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Andy Shevchenko, Greg Kroah-Hartman, Sasha Levin

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

[ Upstream commit 73b5a5c00be39e23b194bad10e1ea8bb73eee176 ]

It seems a copy&paste mistake that suspend callback removes the GPIO
device. There is no counterpart of this action, means once suspended
there is no more GPIO device available untile full unbind-bind cycle
is performed. Remove suspicious GPIO device removal in suspend.

Fixes: d0aeaa83f0b0 ("serial: exar: split out the exar code from 8250_pci")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240219150627.2101198-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/tty/serial/8250/8250_exar.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index ada9666f59889..48769e059772a 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -715,6 +715,7 @@ static void exar_pci_remove(struct pci_dev *pcidev)
 	for (i = 0; i < priv->nr; i++)
 		serial8250_unregister_port(priv->line[i]);
 
+	/* Ensure that every init quirk is properly torn down */
 	if (priv->board->exit)
 		priv->board->exit(pcidev);
 }
@@ -729,10 +730,6 @@ static int __maybe_unused exar_suspend(struct device *dev)
 		if (priv->line[i] >= 0)
 			serial8250_suspend_port(priv->line[i]);
 
-	/* Ensure that every init quirk is properly torn down */
-	if (priv->board->exit)
-		priv->board->exit(pcidev);
-
 	return 0;
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 285/317] staging: greybus: fix get_channel_from_mode() failure path
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (283 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 284/317] serial: 8250_exar: Don't remove GPIO device on suspend Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 286/317] usb: gadget: net2272: Use irqflags in the call to net2272_probe_fin Sasha Levin
                   ` (34 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Dan Carpenter, Rui Miguel Silva, Alex Elder, Greg Kroah-Hartman,
	Sasha Levin

From: Dan Carpenter <dan.carpenter@linaro.org>

[ Upstream commit 34164202a5827f60a203ca9acaf2d9f7d432aac8 ]

The get_channel_from_mode() function is supposed to return the channel
which matches the mode.  But it has a bug where if it doesn't find a
matching channel then it returns the last channel.  It should return
NULL instead.

Also remove an unnecessary NULL check on "channel".

Fixes: 2870b52bae4c ("greybus: lights: add lights implementation")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/379c0cb4-39e0-4293-8a18-c7b1298e5420@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/staging/greybus/light.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c
index 87d36948c6106..c6bd86a5335ab 100644
--- a/drivers/staging/greybus/light.c
+++ b/drivers/staging/greybus/light.c
@@ -100,15 +100,15 @@ static struct led_classdev *get_channel_cdev(struct gb_channel *channel)
 static struct gb_channel *get_channel_from_mode(struct gb_light *light,
 						u32 mode)
 {
-	struct gb_channel *channel = NULL;
+	struct gb_channel *channel;
 	int i;
 
 	for (i = 0; i < light->channels_count; i++) {
 		channel = &light->channels[i];
-		if (channel && channel->mode == mode)
-			break;
+		if (channel->mode == mode)
+			return channel;
 	}
-	return channel;
+	return NULL;
 }
 
 static int __gb_lights_flash_intensity_set(struct gb_channel *channel,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 286/317] usb: gadget: net2272: Use irqflags in the call to net2272_probe_fin
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (284 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 285/317] staging: greybus: fix get_channel_from_mode() failure path Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 287/317] io_uring: don't save/restore iowait state Sasha Levin
                   ` (33 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Colin Ian King, Alan Stern, Greg Kroah-Hartman, Sasha Levin

From: Colin Ian King <colin.i.king@gmail.com>

[ Upstream commit 600556809f04eb3bbccd05218215dcd7b285a9a9 ]

Currently the variable irqflags is being set but is not being used,
it appears it should be used in the call to net2272_probe_fin
rather than IRQF_TRIGGER_LOW being used. Kudos to Uwe Kleine-König
for suggesting the fix.

Cleans up clang scan build warning:
drivers/usb/gadget/udc/net2272.c:2610:15: warning: variable 'irqflags'
set but not used [-Wunused-but-set-variable]

Fixes: ceb80363b2ec ("USB: net2272: driver for PLX NET2272 USB device controller")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20240307181734.2034407-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/gadget/udc/net2272.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index 7c38057dcb4ab..e5402e05e7393 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -2650,7 +2650,7 @@ net2272_plat_probe(struct platform_device *pdev)
 		goto err_req;
 	}
 
-	ret = net2272_probe_fin(dev, IRQF_TRIGGER_LOW);
+	ret = net2272_probe_fin(dev, irqflags);
 	if (ret)
 		goto err_io;
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 287/317] io_uring: don't save/restore iowait state
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (285 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 286/317] usb: gadget: net2272: Use irqflags in the call to net2272_probe_fin Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 288/317] nouveau: reset the bo resource bus info after an eviction Sasha Levin
                   ` (32 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Jens Axboe, Sasha Levin

From: Jens Axboe <axboe@kernel.dk>

[ Upstream commit 6f0974eccbf78baead1735722c4f1ee3eb9422cd ]

This kind of state is per-syscall, and since we're doing the waiting off
entering the io_uring_enter(2) syscall, there's no way that iowait can
already be set for this case. Simplify it by setting it if we need to,
and always clearing it to 0 when done.

Fixes: 7b72d661f1f2 ("io_uring: gate iowait schedule on having pending requests")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 io_uring/io_uring.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 386b32e6fd9a8..a51429c0342e0 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -7815,7 +7815,7 @@ static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
 					  struct io_wait_queue *iowq,
 					  ktime_t *timeout)
 {
-	int io_wait, ret;
+	int ret;
 
 	/* make sure we run task_work before checking for signals */
 	ret = io_run_task_work_sig();
@@ -7830,13 +7830,12 @@ static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
 	 * can take into account that the task is waiting for IO - turns out
 	 * to be important for low QD IO.
 	 */
-	io_wait = current->in_iowait;
 	if (current_pending_io())
 		current->in_iowait = 1;
 	ret = 1;
 	if (!schedule_hrtimeout(timeout, HRTIMER_MODE_ABS))
 		ret = -ETIME;
-	current->in_iowait = io_wait;
+	current->in_iowait = 0;
 	return ret;
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 288/317] nouveau: reset the bo resource bus info after an eviction
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (286 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 287/317] io_uring: don't save/restore iowait state Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 289/317] octeontx2-af: Use matching wake_up API variant in CGX command interface Sasha Levin
                   ` (31 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Dave Airlie, Christian König, Danilo Krummrich, Sasha Levin

From: Dave Airlie <airlied@redhat.com>

[ Upstream commit f35c9af45ea7a4b1115b193d84858b14d13517fc ]

Later attempts to refault the bo won't happen and the whole
GPU does to lunch. I think Christian's refactoring of this
code out to the driver broke this not very well tested path.

Fixes: 141b15e59175 ("drm/nouveau: move io_reserve_lru handling into the driver v5")
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240311072037.287905-1-airlied@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index da58230bcb1fc..2048eac841ddf 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1186,6 +1186,8 @@ nouveau_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *reg)
 			drm_vma_node_unmap(&nvbo->bo.base.vma_node,
 					   bdev->dev_mapping);
 			nouveau_ttm_io_mem_free_locked(drm, nvbo->bo.resource);
+			nvbo->bo.resource->bus.offset = 0;
+			nvbo->bo.resource->bus.addr = NULL;
 			goto retry;
 		}
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 289/317] octeontx2-af: Use matching wake_up API variant in CGX command interface
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (287 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 288/317] nouveau: reset the bo resource bus info after an eviction Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 290/317] s390/vtime: fix average steal time calculation Sasha Levin
                   ` (30 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Linu Cherian, Sunil Goutham, Subbaraya Sundeep, David S . Miller,
	Sasha Levin

From: Linu Cherian <lcherian@marvell.com>

[ Upstream commit e642921dfeed1e15e73f78f2c3b6746f72b6deb2 ]

Use wake_up API instead of wake_up_interruptible, since
wait_event_timeout API is used for waiting on command completion.

Fixes: 1463f382f58d ("octeontx2-af: Add support for CGX link management")
Signed-off-by: Linu Cherian <lcherian@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index 1a269a2e61fdb..3ade1a6e2f1e0 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -1205,7 +1205,7 @@ static irqreturn_t cgx_fwi_event_handler(int irq, void *data)
 
 		/* Release thread waiting for completion  */
 		lmac->cmd_pend = false;
-		wake_up_interruptible(&lmac->wq_cmd_cmplt);
+		wake_up(&lmac->wq_cmd_cmplt);
 		break;
 	case CGX_EVT_ASYNC:
 		if (cgx_event_is_linkevent(event))
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 290/317] s390/vtime: fix average steal time calculation
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (288 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 289/317] octeontx2-af: Use matching wake_up API variant in CGX command interface Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 291/317] soc: fsl: dpio: fix kcalloc() argument order Sasha Levin
                   ` (29 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Mete Durlu, Heiko Carstens, Christian Borntraeger, Sasha Levin

From: Mete Durlu <meted@linux.ibm.com>

[ Upstream commit 367c50f78451d3bd7ad70bc5c89f9ba6dec46ca9 ]

Current average steal timer calculation produces volatile and inflated
values. The only user of this value is KVM so far and it uses that to
decide whether or not to yield the vCPU which is seeing steal time.
KVM compares average steal timer to a threshold and if the threshold
is past then it does not allow CPU polling and yields it to host, else
it keeps the CPU by polling.
Since KVM's steal time threshold is very low by default (%10) it most
likely is not effected much by the bloated average steal timer values
because the operating region is pretty small. However there might be
new users in the future who might rely on this number. Fix average
steal timer calculation by changing the formula from:

	avg_steal_timer = avg_steal_timer / 2 + steal_timer;

to the following:

	avg_steal_timer = (avg_steal_timer + steal_timer) / 2;

This ensures that avg_steal_timer is actually a naive average of steal
timer values. It now closely follows steal timer values but of course
in a smoother manner.

Fixes: 152e9b8676c6 ("s390/vtime: steal time exponential moving average")
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/kernel/vtime.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index f216a1b2f8257..86137029235ac 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -211,13 +211,13 @@ void vtime_flush(struct task_struct *tsk)
 		virt_timer_expire();
 
 	steal = S390_lowcore.steal_timer;
-	avg_steal = S390_lowcore.avg_steal_timer / 2;
+	avg_steal = S390_lowcore.avg_steal_timer;
 	if ((s64) steal > 0) {
 		S390_lowcore.steal_timer = 0;
 		account_steal_time(cputime_to_nsecs(steal));
 		avg_steal += steal;
 	}
-	S390_lowcore.avg_steal_timer = avg_steal;
+	S390_lowcore.avg_steal_timer = avg_steal / 2;
 }
 
 static u64 vtime_delta(void)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 291/317] soc: fsl: dpio: fix kcalloc() argument order
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (289 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 290/317] s390/vtime: fix average steal time calculation Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 292/317] hsr: Fix uninit-value access in hsr_get_node() Sasha Levin
                   ` (28 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Arnd Bergmann, Dmitry Antipov, Sasha Levin

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit 72ebb41b88f9d7c10c5e159e0507074af0a22fe2 ]

A previous bugfix added a call to kcalloc(), which starting in gcc-14
causes a harmless warning about the argument order:

drivers/soc/fsl/dpio/dpio-service.c: In function 'dpaa2_io_service_enqueue_multiple_desc_fq':
drivers/soc/fsl/dpio/dpio-service.c:526:29: error: 'kcalloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Werror=calloc-transposed-args]
  526 |         ed = kcalloc(sizeof(struct qbman_eq_desc), 32, GFP_KERNEL);
      |                             ^~~~~~
drivers/soc/fsl/dpio/dpio-service.c:526:29: note: earlier argument should specify number of elements, later size of each element

Since the two are only multiplied, the order does not change the
behavior, so just fix it now to shut up the compiler warning.

Dmity independently came up with the same fix.

Fixes: 5c4a5999b245 ("soc: fsl: dpio: avoid stack usage warning")
Reported-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/soc/fsl/dpio/dpio-service.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/fsl/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dpio-service.c
index 779c319a4b820..6cdd2c517ba68 100644
--- a/drivers/soc/fsl/dpio/dpio-service.c
+++ b/drivers/soc/fsl/dpio/dpio-service.c
@@ -485,7 +485,7 @@ int dpaa2_io_service_enqueue_multiple_desc_fq(struct dpaa2_io *d,
 	struct qbman_eq_desc *ed;
 	int i, ret;
 
-	ed = kcalloc(sizeof(struct qbman_eq_desc), 32, GFP_KERNEL);
+	ed = kcalloc(32, sizeof(struct qbman_eq_desc), GFP_KERNEL);
 	if (!ed)
 		return -ENOMEM;
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 292/317] hsr: Fix uninit-value access in hsr_get_node()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (290 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 291/317] soc: fsl: dpio: fix kcalloc() argument order Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 293/317] net: mtk_eth_soc: move MAC_MCR setting to mac_finish() Sasha Levin
                   ` (27 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Shigeru Yoshida, syzbot+2ef3a8ce8e91b5a50098, Paolo Abeni, Sasha Levin

From: Shigeru Yoshida <syoshida@redhat.com>

[ Upstream commit ddbec99f58571301679addbc022256970ca3eac6 ]

KMSAN reported the following uninit-value access issue [1]:

=====================================================
BUG: KMSAN: uninit-value in hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246
 hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246
 fill_frame_info net/hsr/hsr_forward.c:577 [inline]
 hsr_forward_skb+0xe12/0x30e0 net/hsr/hsr_forward.c:615
 hsr_dev_xmit+0x1a1/0x270 net/hsr/hsr_device.c:223
 __netdev_start_xmit include/linux/netdevice.h:4940 [inline]
 netdev_start_xmit include/linux/netdevice.h:4954 [inline]
 xmit_one net/core/dev.c:3548 [inline]
 dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3564
 __dev_queue_xmit+0x33b8/0x5130 net/core/dev.c:4349
 dev_queue_xmit include/linux/netdevice.h:3134 [inline]
 packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3087 [inline]
 packet_sendmsg+0x8b1d/0x9f30 net/packet/af_packet.c:3119
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x735/0xa10 net/socket.c:2191
 __do_sys_sendto net/socket.c:2203 [inline]
 __se_sys_sendto net/socket.c:2199 [inline]
 __x64_sys_sendto+0x125/0x1c0 net/socket.c:2199
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Uninit was created at:
 slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768
 slab_alloc_node mm/slub.c:3478 [inline]
 kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523
 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560
 __alloc_skb+0x318/0x740 net/core/skbuff.c:651
 alloc_skb include/linux/skbuff.h:1286 [inline]
 alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6334
 sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2787
 packet_alloc_skb net/packet/af_packet.c:2936 [inline]
 packet_snd net/packet/af_packet.c:3030 [inline]
 packet_sendmsg+0x70e8/0x9f30 net/packet/af_packet.c:3119
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x735/0xa10 net/socket.c:2191
 __do_sys_sendto net/socket.c:2203 [inline]
 __se_sys_sendto net/socket.c:2199 [inline]
 __x64_sys_sendto+0x125/0x1c0 net/socket.c:2199
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

CPU: 1 PID: 5033 Comm: syz-executor334 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
=====================================================

If the packet type ID field in the Ethernet header is either ETH_P_PRP or
ETH_P_HSR, but it is not followed by an HSR tag, hsr_get_skb_sequence_nr()
reads an invalid value as a sequence number. This causes the above issue.

This patch fixes the issue by returning NULL if the Ethernet header is not
followed by an HSR tag.

Fixes: f266a683a480 ("net/hsr: Better frame dispatch")
Reported-and-tested-by: syzbot+2ef3a8ce8e91b5a50098@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=2ef3a8ce8e91b5a50098 [1]
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Link: https://lore.kernel.org/r/20240312152719.724530-1-syoshida@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/hsr/hsr_framereg.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c
index 8c9a20e99f0f4..e0aeeeda3c876 100644
--- a/net/hsr/hsr_framereg.c
+++ b/net/hsr/hsr_framereg.c
@@ -237,6 +237,10 @@ struct hsr_node *hsr_get_node(struct hsr_port *port, struct list_head *node_db,
 	 */
 	if (ethhdr->h_proto == htons(ETH_P_PRP) ||
 	    ethhdr->h_proto == htons(ETH_P_HSR)) {
+		/* Check if skb contains hsr_ethhdr */
+		if (skb->mac_len < sizeof(struct hsr_ethhdr))
+			return NULL;
+
 		/* Use the existing sequence_nr from the tag as starting point
 		 * for filtering duplicate frames.
 		 */
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 293/317] net: mtk_eth_soc: move MAC_MCR setting to mac_finish()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (291 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 292/317] hsr: Fix uninit-value access in hsr_get_node() Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 294/317] net: mediatek: mtk_eth_soc: clear MAC_MCR_FORCE_LINK only when MAC is up Sasha Levin
                   ` (26 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Russell King (Oracle), Jakub Kicinski, Sasha Levin

From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>

[ Upstream commit 0e37ad71b2ff772009595002da2860999e98e14e ]

Move the setting of the MTK_MAC_MCR register from the end of mac_config
into the phylink mac_finish() method, to keep it as the very last write
that is done during configuration.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: f1b85ef15a99 ("net: mediatek: mtk_eth_soc: clear MAC_MCR_FORCE_LINK only when MAC is up")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 33 ++++++++++++++-------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 139dfdb1e58bd..c9d9a082c9f83 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -223,8 +223,8 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode,
 	struct mtk_mac *mac = container_of(config, struct mtk_mac,
 					   phylink_config);
 	struct mtk_eth *eth = mac->hw;
-	u32 mcr_cur, mcr_new, sid, i;
 	int val, ge_mode, err = 0;
+	u32 sid, i;
 
 	/* MT76x8 has no hardware settings between for the MAC */
 	if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) &&
@@ -359,6 +359,25 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode,
 		return;
 	}
 
+	return;
+
+err_phy:
+	dev_err(eth->dev, "%s: GMAC%d mode %s not supported!\n", __func__,
+		mac->id, phy_modes(state->interface));
+	return;
+
+init_err:
+	dev_err(eth->dev, "%s: GMAC%d mode %s err: %d!\n", __func__,
+		mac->id, phy_modes(state->interface), err);
+}
+
+static int mtk_mac_finish(struct phylink_config *config, unsigned int mode,
+			  phy_interface_t interface)
+{
+	struct mtk_mac *mac = container_of(config, struct mtk_mac,
+					   phylink_config);
+	u32 mcr_cur, mcr_new;
+
 	/* Setup gmac */
 	mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
 	mcr_new = mcr_cur;
@@ -370,16 +389,7 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode,
 	if (mcr_new != mcr_cur)
 		mtk_w32(mac->hw, mcr_new, MTK_MAC_MCR(mac->id));
 
-	return;
-
-err_phy:
-	dev_err(eth->dev, "%s: GMAC%d mode %s not supported!\n", __func__,
-		mac->id, phy_modes(state->interface));
-	return;
-
-init_err:
-	dev_err(eth->dev, "%s: GMAC%d mode %s err: %d!\n", __func__,
-		mac->id, phy_modes(state->interface), err);
+	return 0;
 }
 
 static void mtk_mac_pcs_get_state(struct phylink_config *config,
@@ -562,6 +572,7 @@ static const struct phylink_mac_ops mtk_phylink_ops = {
 	.mac_pcs_get_state = mtk_mac_pcs_get_state,
 	.mac_an_restart = mtk_mac_an_restart,
 	.mac_config = mtk_mac_config,
+	.mac_finish = mtk_mac_finish,
 	.mac_link_down = mtk_mac_link_down,
 	.mac_link_up = mtk_mac_link_up,
 };
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 294/317] net: mediatek: mtk_eth_soc: clear MAC_MCR_FORCE_LINK only when MAC is up
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (292 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 293/317] net: mtk_eth_soc: move MAC_MCR setting to mac_finish() Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 295/317] net: ethernet: mtk_eth_soc: fix PPE hanging issue Sasha Levin
                   ` (25 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Daniel Golle, Mason-cw Chang, David S . Miller, Sasha Levin

From: Daniel Golle <daniel@makrotopia.org>

[ Upstream commit f1b85ef15a99f06ed48871ce933d591127d2dcc0 ]

Clearing bit MAC_MCR_FORCE_LINK which forces the link down too early
can result in MAC ending up in a broken/blocked state.

Fix this by handling this bit in the .mac_link_up and .mac_link_down
calls instead of in .mac_finish.

Fixes: b8fc9f30821e ("net: ethernet: mediatek: Add basic PHYLINK support")
Suggested-by: Mason-cw Chang <Mason-cw.Chang@mediatek.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index c9d9a082c9f83..711acc6059a4f 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -382,8 +382,7 @@ static int mtk_mac_finish(struct phylink_config *config, unsigned int mode,
 	mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
 	mcr_new = mcr_cur;
 	mcr_new |= MAC_MCR_IPG_CFG | MAC_MCR_FORCE_MODE |
-		   MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_LINK |
-		   MAC_MCR_RX_FIFO_CLR_DIS;
+		   MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_RX_FIFO_CLR_DIS;
 
 	/* Only update control register when needed! */
 	if (mcr_new != mcr_cur)
@@ -439,7 +438,7 @@ static void mtk_mac_link_down(struct phylink_config *config, unsigned int mode,
 					   phylink_config);
 	u32 mcr = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
 
-	mcr &= ~(MAC_MCR_TX_EN | MAC_MCR_RX_EN);
+	mcr &= ~(MAC_MCR_TX_EN | MAC_MCR_RX_EN | MAC_MCR_FORCE_LINK);
 	mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
 }
 
@@ -477,7 +476,7 @@ static void mtk_mac_link_up(struct phylink_config *config,
 	if (rx_pause)
 		mcr |= MAC_MCR_FORCE_RX_FC;
 
-	mcr |= MAC_MCR_TX_EN | MAC_MCR_RX_EN;
+	mcr |= MAC_MCR_TX_EN | MAC_MCR_RX_EN | MAC_MCR_FORCE_LINK;
 	mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 295/317] net: ethernet: mtk_eth_soc: fix PPE hanging issue
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (293 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 294/317] net: mediatek: mtk_eth_soc: clear MAC_MCR_FORCE_LINK only when MAC is up Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 296/317] packet: annotate data-races around ignore_outgoing Sasha Levin
                   ` (24 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Daniel Golle, Bc-bocun Chen, David S . Miller, Sasha Levin

From: Daniel Golle <daniel@makrotopia.org>

[ Upstream commit ea80e3ed09ab2c2b75724faf5484721753e92c31 ]

A patch to resolve an issue was found in MediaTek's GPL-licensed SDK:
In the mtk_ppe_stop() function, the PPE scan mode is not disabled before
disabling the PPE. This can potentially lead to a hang during the process
of disabling the PPE.

Without this patch, the PPE may experience a hang during the reboot test.

Link: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/b40da332dfe763932a82f9f62a4709457a15dd6c
Fixes: ba37b7caf1ed ("net: ethernet: mtk_eth_soc: add support for initializing the PPE")
Suggested-by: Bc-bocun Chen <bc-bocun.chen@mediatek.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/mediatek/mtk_ppe.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c
index 66298e2235c91..5e7b66846791d 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
@@ -425,7 +425,7 @@ int mtk_ppe_start(struct mtk_ppe *ppe)
 			 MTK_PPE_KEEPALIVE_DISABLE) |
 	      FIELD_PREP(MTK_PPE_TB_CFG_HASH_MODE, 1) |
 	      FIELD_PREP(MTK_PPE_TB_CFG_SCAN_MODE,
-			 MTK_PPE_SCAN_MODE_KEEPALIVE_AGE) |
+			 MTK_PPE_SCAN_MODE_CHECK_AGE) |
 	      FIELD_PREP(MTK_PPE_TB_CFG_ENTRY_NUM,
 			 MTK_PPE_ENTRIES_SHIFT);
 	ppe_w32(ppe, MTK_PPE_TB_CFG, val);
@@ -493,17 +493,21 @@ int mtk_ppe_stop(struct mtk_ppe *ppe)
 
 	mtk_ppe_cache_enable(ppe, false);
 
-	/* disable offload engine */
-	ppe_clear(ppe, MTK_PPE_GLO_CFG, MTK_PPE_GLO_CFG_EN);
-	ppe_w32(ppe, MTK_PPE_FLOW_CFG, 0);
-
 	/* disable aging */
 	val = MTK_PPE_TB_CFG_AGE_NON_L4 |
 	      MTK_PPE_TB_CFG_AGE_UNBIND |
 	      MTK_PPE_TB_CFG_AGE_TCP |
 	      MTK_PPE_TB_CFG_AGE_UDP |
-	      MTK_PPE_TB_CFG_AGE_TCP_FIN;
+	      MTK_PPE_TB_CFG_AGE_TCP_FIN |
+		  MTK_PPE_TB_CFG_SCAN_MODE;
 	ppe_clear(ppe, MTK_PPE_TB_CFG, val);
 
-	return mtk_ppe_wait_busy(ppe);
+	if (mtk_ppe_wait_busy(ppe))
+		return -ETIMEDOUT;
+
+	/* disable offload engine */
+	ppe_clear(ppe, MTK_PPE_GLO_CFG, MTK_PPE_GLO_CFG_EN);
+	ppe_w32(ppe, MTK_PPE_FLOW_CFG, 0);
+
+	return 0;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 296/317] packet: annotate data-races around ignore_outgoing
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (294 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 295/317] net: ethernet: mtk_eth_soc: fix PPE hanging issue Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 297/317] net: veth: do not manipulate GRO when using XDP Sasha Levin
                   ` (23 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Eric Dumazet, syzbot+c669c1136495a2e7c31f, Willem de Bruijn,
	Willem de Bruijn, Jason Xing, David S . Miller, Sasha Levin

From: Eric Dumazet <edumazet@google.com>

[ Upstream commit 6ebfad33161afacb3e1e59ed1c2feefef70f9f97 ]

ignore_outgoing is read locklessly from dev_queue_xmit_nit()
and packet_getsockopt()

Add appropriate READ_ONCE()/WRITE_ONCE() annotations.

syzbot reported:

BUG: KCSAN: data-race in dev_queue_xmit_nit / packet_setsockopt

write to 0xffff888107804542 of 1 bytes by task 22618 on cpu 0:
 packet_setsockopt+0xd83/0xfd0 net/packet/af_packet.c:4003
 do_sock_setsockopt net/socket.c:2311 [inline]
 __sys_setsockopt+0x1d8/0x250 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0x66/0x80 net/socket.c:2340
 do_syscall_64+0xd3/0x1d0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

read to 0xffff888107804542 of 1 bytes by task 27 on cpu 1:
 dev_queue_xmit_nit+0x82/0x620 net/core/dev.c:2248
 xmit_one net/core/dev.c:3527 [inline]
 dev_hard_start_xmit+0xcc/0x3f0 net/core/dev.c:3547
 __dev_queue_xmit+0xf24/0x1dd0 net/core/dev.c:4335
 dev_queue_xmit include/linux/netdevice.h:3091 [inline]
 batadv_send_skb_packet+0x264/0x300 net/batman-adv/send.c:108
 batadv_send_broadcast_skb+0x24/0x30 net/batman-adv/send.c:127
 batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:392 [inline]
 batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x3f0/0x4b0 net/batman-adv/bat_iv_ogm.c:1700
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335
 worker_thread+0x526/0x730 kernel/workqueue.c:3416
 kthread+0x1d1/0x210 kernel/kthread.c:388
 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243

value changed: 0x00 -> 0x01

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 27 Comm: kworker/u8:1 Tainted: G        W          6.8.0-syzkaller-08073-g480e035fc4c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet

Fixes: fa788d986a3a ("packet: add sockopt to ignore outgoing packets")
Reported-by: syzbot+c669c1136495a2e7c31f@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/CANn89i+Z7MfbkBLOv=p7KZ7=K1rKHO4P1OL5LYDCtBiyqsa9oQ@mail.gmail.com/T/#t
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/dev.c         | 2 +-
 net/packet/af_packet.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index af77dc77eb9c8..1e41971c06177 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2291,7 +2291,7 @@ void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
 	rcu_read_lock();
 again:
 	list_for_each_entry_rcu(ptype, ptype_list, list) {
-		if (ptype->ignore_outgoing)
+		if (READ_ONCE(ptype->ignore_outgoing))
 			continue;
 
 		/* Never send packets back to the socket
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 75fb80717e489..cffa217fb3063 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3951,7 +3951,7 @@ packet_setsockopt(struct socket *sock, int level, int optname, sockptr_t optval,
 		if (val < 0 || val > 1)
 			return -EINVAL;
 
-		po->prot_hook.ignore_outgoing = !!val;
+		WRITE_ONCE(po->prot_hook.ignore_outgoing, !!val);
 		return 0;
 	}
 	case PACKET_TX_HAS_OFF:
@@ -4080,7 +4080,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
 		       0);
 		break;
 	case PACKET_IGNORE_OUTGOING:
-		val = po->prot_hook.ignore_outgoing;
+		val = READ_ONCE(po->prot_hook.ignore_outgoing);
 		break;
 	case PACKET_ROLLOVER_STATS:
 		if (!po->rollover)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 297/317] net: veth: do not manipulate GRO when using XDP
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (295 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 296/317] packet: annotate data-races around ignore_outgoing Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 298/317] net: dsa: mt7530: prevent possible incorrect XTAL frequency selection Sasha Levin
                   ` (22 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Ignat Korchagin, Toke Høiland-Jørgensen,
	David S . Miller, Sasha Levin

From: Ignat Korchagin <ignat@cloudflare.com>

[ Upstream commit d7db7775ea2e31502d46427f5efd385afc4ff1eb ]

Commit d3256efd8e8b ("veth: allow enabling NAPI even without XDP") tried to fix
the fact that GRO was not possible without XDP, because veth did not use NAPI
without XDP. However, it also introduced the behaviour that GRO is always
enabled, when XDP is enabled.

While it might be desired for most cases, it is confusing for the user at best
as the GRO flag suddenly changes, when an XDP program is attached. It also
introduces some complexities in state management as was partially addressed in
commit fe9f801355f0 ("net: veth: clear GRO when clearing XDP even when down").

But the biggest problem is that it is not possible to disable GRO at all, when
an XDP program is attached, which might be needed for some use cases.

Fix this by not touching the GRO flag on XDP enable/disable as the code already
supports switching to NAPI if either GRO or XDP is requested.

Link: https://lore.kernel.org/lkml/20240311124015.38106-1-ignat@cloudflare.com/
Fixes: d3256efd8e8b ("veth: allow enabling NAPI even without XDP")
Fixes: fe9f801355f0 ("net: veth: clear GRO when clearing XDP even when down")
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/veth.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 0102f86d48676..cfacf8965bc59 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -1388,8 +1388,6 @@ static netdev_features_t veth_fix_features(struct net_device *dev,
 		if (peer_priv->_xdp_prog)
 			features &= ~NETIF_F_GSO_SOFTWARE;
 	}
-	if (priv->_xdp_prog)
-		features |= NETIF_F_GRO;
 
 	return features;
 }
@@ -1481,14 +1479,6 @@ static int veth_xdp_set(struct net_device *dev, struct bpf_prog *prog,
 		}
 
 		if (!old_prog) {
-			if (!veth_gro_requested(dev)) {
-				/* user-space did not require GRO, but adding
-				 * XDP is supposed to get GRO working
-				 */
-				dev->features |= NETIF_F_GRO;
-				netdev_features_change(dev);
-			}
-
 			peer->hw_features &= ~NETIF_F_GSO_SOFTWARE;
 			peer->max_mtu = max_mtu;
 		}
@@ -1499,14 +1489,6 @@ static int veth_xdp_set(struct net_device *dev, struct bpf_prog *prog,
 			if (dev->flags & IFF_UP)
 				veth_disable_xdp(dev);
 
-			/* if user-space did not require GRO, since adding XDP
-			 * enabled it, clear it now
-			 */
-			if (!veth_gro_requested(dev)) {
-				dev->features &= ~NETIF_F_GRO;
-				netdev_features_change(dev);
-			}
-
 			if (peer) {
 				peer->hw_features |= NETIF_F_GSO_SOFTWARE;
 				peer->max_mtu = ETH_MAX_MTU;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 298/317] net: dsa: mt7530: prevent possible incorrect XTAL frequency selection
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (296 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 297/317] net: veth: do not manipulate GRO when using XDP Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 299/317] vdpa/mlx5: Allow CVQ size changes Sasha Levin
                   ` (21 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arınç ÜNAL, Justin Swartz, David S . Miller, Sasha Levin

From: Arınç ÜNAL <arinc.unal@arinc9.com>

[ Upstream commit f490c492e946d8ffbe65ad4efc66de3c5ede30a4 ]

On MT7530, the HT_XTAL_FSEL field of the HWTRAP register stores a 2-bit
value that represents the frequency of the crystal oscillator connected to
the switch IC. The field is populated by the state of the ESW_P4_LED_0 and
ESW_P4_LED_0 pins, which is done right after reset is deasserted.

  ESW_P4_LED_0    ESW_P3_LED_0    Frequency
  -----------------------------------------
  0               0               Reserved
  0               1               20MHz
  1               0               40MHz
  1               1               25MHz

On MT7531, the XTAL25 bit of the STRAP register stores this. The LAN0LED0
pin is used to populate the bit. 25MHz when the pin is high, 40MHz when
it's low.

These pins are also used with LEDs, therefore, their state can be set to
something other than the bootstrapping configuration. For example, a link
may be established on port 3 before the DSA subdriver takes control of the
switch which would set ESW_P3_LED_0 to high.

Currently on mt7530_setup() and mt7531_setup(), 1000 - 1100 usec delay is
described between reset assertion and deassertion. Some switch ICs in real
life conditions cannot always have these pins set back to the bootstrapping
configuration before reset deassertion in this amount of delay. This causes
wrong crystal frequency to be selected which puts the switch in a
nonfunctional state after reset deassertion.

The tests below are conducted on an MT7530 with a 40MHz crystal oscillator
by Justin Swartz.

With a cable from an active peer connected to port 3 before reset, an
incorrect crystal frequency (0b11 = 25MHz) is selected:

                      [1]                  [3]     [5]
                      :                    :       :
              _____________________________         __________________
ESW_P4_LED_0                               |_______|
              _____________________________
ESW_P3_LED_0                               |__________________________

                       :                  : :     :
                       :                  : [4]...:
                       :                  :
                       [2]................:

[1] Reset is asserted.
[2] Period of 1000 - 1100 usec.
[3] Reset is deasserted.
[4] Period of 315 usec. HWTRAP register is populated with incorrect
    XTAL frequency.
[5] Signals reflect the bootstrapped configuration.

Increase the delay between reset_control_assert() and
reset_control_deassert(), and gpiod_set_value_cansleep(priv->reset, 0) and
gpiod_set_value_cansleep(priv->reset, 1) to 5000 - 5100 usec. This amount
ensures a higher possibility that the switch IC will have these pins back
to the bootstrapping configuration before reset deassertion.

With a cable from an active peer connected to port 3 before reset, the
correct crystal frequency (0b10 = 40MHz) is selected:

                      [1]        [2-1]     [3]     [5]
                      :          :         :       :
              _____________________________         __________________
ESW_P4_LED_0                               |_______|
              ___________________           _______
ESW_P3_LED_0                     |_________|       |__________________

                       :          :       : :     :
                       :          [2-2]...: [4]...:
                       [2]................:

[1] Reset is asserted.
[2] Period of 5000 - 5100 usec.
[2-1] ESW_P3_LED_0 goes low.
[2-2] Remaining period of 5000 - 5100 usec.
[3] Reset is deasserted.
[4] Period of 310 usec. HWTRAP register is populated with bootstrapped
    XTAL frequency.
[5] Signals reflect the bootstrapped configuration.

ESW_P3_LED_0 low period before reset deassertion:

              5000 usec
            - 5100 usec
    TEST     RESET HOLD
       #         (usec)
  ---------------------
       1           5410
       2           5440
       3           4375
       4           5490
       5           5475
       6           4335
       7           4370
       8           5435
       9           4205
      10           4335
      11           3750
      12           3170
      13           4395
      14           4375
      15           3515
      16           4335
      17           4220
      18           4175
      19           4175
      20           4350

     Min           3170
     Max           5490

  Median       4342.500
     Avg       4466.500

Revert commit 2920dd92b980 ("net: dsa: mt7530: disable LEDs before reset").
Changing the state of pins via reset assertion is simpler and more
efficient than doing so by setting the LED controller off.

Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Fixes: c288575f7810 ("net: dsa: mt7530: Add the support of MT7531 switch")
Co-developed-by: Justin Swartz <justin.swartz@risingedge.co.za>
Signed-off-by: Justin Swartz <justin.swartz@risingedge.co.za>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/dsa/mt7530.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index f74d9fbd08178..636943035c292 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2154,11 +2154,11 @@ mt7530_setup(struct dsa_switch *ds)
 	 */
 	if (priv->mcm) {
 		reset_control_assert(priv->rstc);
-		usleep_range(1000, 1100);
+		usleep_range(5000, 5100);
 		reset_control_deassert(priv->rstc);
 	} else {
 		gpiod_set_value_cansleep(priv->reset, 0);
-		usleep_range(1000, 1100);
+		usleep_range(5000, 5100);
 		gpiod_set_value_cansleep(priv->reset, 1);
 	}
 
@@ -2368,11 +2368,11 @@ mt7531_setup(struct dsa_switch *ds)
 	 */
 	if (priv->mcm) {
 		reset_control_assert(priv->rstc);
-		usleep_range(1000, 1100);
+		usleep_range(5000, 5100);
 		reset_control_deassert(priv->rstc);
 	} else {
 		gpiod_set_value_cansleep(priv->reset, 0);
-		usleep_range(1000, 1100);
+		usleep_range(5000, 5100);
 		gpiod_set_value_cansleep(priv->reset, 1);
 	}
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 299/317] vdpa/mlx5: Allow CVQ size changes
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (297 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 298/317] net: dsa: mt7530: prevent possible incorrect XTAL frequency selection Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 300/317] wireguard: receive: annotate data-race around receiving_counter.counter Sasha Levin
                   ` (20 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jonah Palmer, Dragos Tatulea, Eugenio Pérez,
	Michael S . Tsirkin, Lei Yang, Sasha Levin

From: Jonah Palmer <jonah.palmer@oracle.com>

[ Upstream commit 749a4016839270163efc36ecddddd01de491a16b ]

The MLX driver was not updating its control virtqueue size at set_vq_num
and instead always initialized to MLX5_CVQ_MAX_ENT (16) at
setup_cvq_vring.

Qemu would try to set the size to 64 by default, however, because the
CVQ size always was initialized to 16, an error would be thrown when
sending >16 control messages (as used-ring entry 17 is initialized to 0).
For example, starting a guest with x-svq=on and then executing the
following command would produce the error below:

 # for i in {1..20}; do ifconfig eth0 hw ether XX:xx:XX:xx:XX:XX; done

 qemu-system-x86_64: Insufficient written data (0)
 [  435.331223] virtio_net virtio0: Failed to set mac address by vq command.
 SIOCSIFHWADDR: Invalid argument

Acked-by: Dragos Tatulea <dtatulea@nvidia.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <20240216142502.78095-1-jonah.palmer@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Fixes: 5262912ef3cf ("vdpa/mlx5: Add support for control VQ and MAC setting")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/vdpa/mlx5/net/mlx5_vnet.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 46c72e6d3a29b..d9e4a949129a0 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -173,8 +173,6 @@ static void teardown_driver(struct mlx5_vdpa_net *ndev);
 
 static bool mlx5_vdpa_debug;
 
-#define MLX5_CVQ_MAX_ENT 16
-
 #define MLX5_LOG_VIO_FLAG(_feature)                                                                \
 	do {                                                                                       \
 		if (features & BIT_ULL(_feature))                                                  \
@@ -1685,9 +1683,16 @@ static void mlx5_vdpa_set_vq_num(struct vdpa_device *vdev, u16 idx, u32 num)
 	struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev);
 	struct mlx5_vdpa_virtqueue *mvq;
 
-	if (!is_index_valid(mvdev, idx) || is_ctrl_vq_idx(mvdev, idx))
+	if (!is_index_valid(mvdev, idx))
 		return;
 
+        if (is_ctrl_vq_idx(mvdev, idx)) {
+                struct mlx5_control_vq *cvq = &mvdev->cvq;
+
+                cvq->vring.vring.num = num;
+                return;
+        }
+
 	mvq = &ndev->vqs[idx];
 	mvq->num_ent = num;
 }
@@ -2182,7 +2187,7 @@ static int setup_cvq_vring(struct mlx5_vdpa_dev *mvdev)
 		u16 idx = cvq->vring.last_avail_idx;
 
 		err = vringh_init_iotlb(&cvq->vring, mvdev->actual_features,
-					MLX5_CVQ_MAX_ENT, false,
+					cvq->vring.vring.num, false,
 					(struct vring_desc *)(uintptr_t)cvq->desc_addr,
 					(struct vring_avail *)(uintptr_t)cvq->driver_addr,
 					(struct vring_used *)(uintptr_t)cvq->device_addr);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 300/317] wireguard: receive: annotate data-race around receiving_counter.counter
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (298 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 299/317] vdpa/mlx5: Allow CVQ size changes Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 301/317] rds: introduce acquire/release ordering in acquire/release_in_xmit() Sasha Levin
                   ` (19 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nikita Zhandarovich, syzbot+d1de830e4ecdaac83d89,
	Jason A . Donenfeld, Jiri Pirko, Paolo Abeni, Sasha Levin

From: Nikita Zhandarovich <n.zhandarovich@fintech.ru>

[ Upstream commit bba045dc4d996d03dce6fe45726e78a1a1f6d4c3 ]

Syzkaller with KCSAN identified a data-race issue when accessing
keypair->receiving_counter.counter. Use READ_ONCE() and WRITE_ONCE()
annotations to mark the data race as intentional.

    BUG: KCSAN: data-race in wg_packet_decrypt_worker / wg_packet_rx_poll

    write to 0xffff888107765888 of 8 bytes by interrupt on cpu 0:
     counter_validate drivers/net/wireguard/receive.c:321 [inline]
     wg_packet_rx_poll+0x3ac/0xf00 drivers/net/wireguard/receive.c:461
     __napi_poll+0x60/0x3b0 net/core/dev.c:6536
     napi_poll net/core/dev.c:6605 [inline]
     net_rx_action+0x32b/0x750 net/core/dev.c:6738
     __do_softirq+0xc4/0x279 kernel/softirq.c:553
     do_softirq+0x5e/0x90 kernel/softirq.c:454
     __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381
     __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
     _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
     spin_unlock_bh include/linux/spinlock.h:396 [inline]
     ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
     wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499
     process_one_work kernel/workqueue.c:2633 [inline]
     ...

    read to 0xffff888107765888 of 8 bytes by task 3196 on cpu 1:
     decrypt_packet drivers/net/wireguard/receive.c:252 [inline]
     wg_packet_decrypt_worker+0x220/0x700 drivers/net/wireguard/receive.c:501
     process_one_work kernel/workqueue.c:2633 [inline]
     process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706
     worker_thread+0x525/0x730 kernel/workqueue.c:2787
     ...

Fixes: a9e90d9931f3 ("wireguard: noise: separate receive counter from send counter")
Reported-by: syzbot+d1de830e4ecdaac83d89@syzkaller.appspotmail.com
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireguard/receive.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index d38b24339a1f9..ed274e9bdf3ce 100644
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -258,7 +258,7 @@ static bool decrypt_packet(struct sk_buff *skb, struct noise_keypair *keypair)
 
 	if (unlikely(!READ_ONCE(keypair->receiving.is_valid) ||
 		  wg_birthdate_has_expired(keypair->receiving.birthdate, REJECT_AFTER_TIME) ||
-		  keypair->receiving_counter.counter >= REJECT_AFTER_MESSAGES)) {
+		  READ_ONCE(keypair->receiving_counter.counter) >= REJECT_AFTER_MESSAGES)) {
 		WRITE_ONCE(keypair->receiving.is_valid, false);
 		return false;
 	}
@@ -325,7 +325,7 @@ static bool counter_validate(struct noise_replay_counter *counter, u64 their_cou
 		for (i = 1; i <= top; ++i)
 			counter->backtrack[(i + index_current) &
 				((COUNTER_BITS_TOTAL / BITS_PER_LONG) - 1)] = 0;
-		counter->counter = their_counter;
+		WRITE_ONCE(counter->counter, their_counter);
 	}
 
 	index &= (COUNTER_BITS_TOTAL / BITS_PER_LONG) - 1;
@@ -470,7 +470,7 @@ int wg_packet_rx_poll(struct napi_struct *napi, int budget)
 			net_dbg_ratelimited("%s: Packet has invalid nonce %llu (max %llu)\n",
 					    peer->device->dev->name,
 					    PACKET_CB(skb)->nonce,
-					    keypair->receiving_counter.counter);
+					    READ_ONCE(keypair->receiving_counter.counter));
 			goto next;
 		}
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 301/317] rds: introduce acquire/release ordering in acquire/release_in_xmit()
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (299 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 300/317] wireguard: receive: annotate data-race around receiving_counter.counter Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 302/317] hsr: Handle failures in module init Sasha Levin
                   ` (18 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Yewon Choi, Michal Kubiak, Paolo Abeni, Sasha Levin

From: Yewon Choi <woni9911@gmail.com>

[ Upstream commit 1422f28826d2a0c11e5240b3e951c9e214d8656e ]

acquire/release_in_xmit() work as bit lock in rds_send_xmit(), so they
are expected to ensure acquire/release memory ordering semantics.
However, test_and_set_bit/clear_bit() don't imply such semantics, on
top of this, following smp_mb__after_atomic() does not guarantee release
ordering (memory barrier actually should be placed before clear_bit()).

Instead, we use clear_bit_unlock/test_and_set_bit_lock() here.

Fixes: 0f4b1c7e89e6 ("rds: fix rds_send_xmit() serialization")
Fixes: 1f9ecd7eacfd ("RDS: Pass rds_conn_path to rds_send_xmit()")
Signed-off-by: Yewon Choi <woni9911@gmail.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://lore.kernel.org/r/ZfQUxnNTO9AJmzwc@libra05
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/rds/send.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/rds/send.c b/net/rds/send.c
index d6462d1471c14..85c27d9aa33a3 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -103,13 +103,12 @@ EXPORT_SYMBOL_GPL(rds_send_path_reset);
 
 static int acquire_in_xmit(struct rds_conn_path *cp)
 {
-	return test_and_set_bit(RDS_IN_XMIT, &cp->cp_flags) == 0;
+	return test_and_set_bit_lock(RDS_IN_XMIT, &cp->cp_flags) == 0;
 }
 
 static void release_in_xmit(struct rds_conn_path *cp)
 {
-	clear_bit(RDS_IN_XMIT, &cp->cp_flags);
-	smp_mb__after_atomic();
+	clear_bit_unlock(RDS_IN_XMIT, &cp->cp_flags);
 	/*
 	 * We don't use wait_on_bit()/wake_up_bit() because our waking is in a
 	 * hot path and finding waiters is very rare.  We don't want to walk
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 302/317] hsr: Handle failures in module init
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (300 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 301/317] rds: introduce acquire/release ordering in acquire/release_in_xmit() Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 303/317] net: phy: fix phy_read_poll_timeout argument type in genphy_loopback Sasha Levin
                   ` (17 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Felix Maurer, Shigeru Yoshida, Breno Leitao, Paolo Abeni, Sasha Levin

From: Felix Maurer <fmaurer@redhat.com>

[ Upstream commit 3cf28cd492308e5f63ed00b29ea03ca016264376 ]

A failure during registration of the netdev notifier was not handled at
all. A failure during netlink initialization did not unregister the netdev
notifier.

Handle failures of netdev notifier registration and netlink initialization.
Both functions should only return negative values on failure and thereby
lead to the hsr module not being loaded.

Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: Felix Maurer <fmaurer@redhat.com>
Reviewed-by: Shigeru Yoshida <syoshida@redhat.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/3ce097c15e3f7ace98fc7fd9bcbf299f092e63d1.1710504184.git.fmaurer@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/hsr/hsr_main.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/net/hsr/hsr_main.c b/net/hsr/hsr_main.c
index b099c31501509..257b50124cee5 100644
--- a/net/hsr/hsr_main.c
+++ b/net/hsr/hsr_main.c
@@ -148,14 +148,21 @@ static struct notifier_block hsr_nb = {
 
 static int __init hsr_init(void)
 {
-	int res;
+	int err;
 
 	BUILD_BUG_ON(sizeof(struct hsr_tag) != HSR_HLEN);
 
-	register_netdevice_notifier(&hsr_nb);
-	res = hsr_netlink_init();
+	err = register_netdevice_notifier(&hsr_nb);
+	if (err)
+		return err;
+
+	err = hsr_netlink_init();
+	if (err) {
+		unregister_netdevice_notifier(&hsr_nb);
+		return err;
+	}
 
-	return res;
+	return 0;
 }
 
 static void __exit hsr_exit(void)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 303/317] net: phy: fix phy_read_poll_timeout argument type in genphy_loopback
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (301 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 302/317] hsr: Handle failures in module init Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 304/317] net/bnx2x: Prevent access to a freed page in page_pool Sasha Levin
                   ` (16 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Nikita Kiryushin, Russell King, Paolo Abeni, Sasha Levin

From: Nikita Kiryushin <kiryushin@ancud.ru>

[ Upstream commit 32fa4366cc4da1c97b725a0066adf43c6b298f37 ]

read_poll_timeout inside phy_read_poll_timeout can set val negative
in some cases (for example, __mdiobus_read inside phy_read can return
-EOPNOTSUPP).

Supposedly, commit 4ec732951702 ("net: phylib: fix phy_read*_poll_timeout()")
should fix problems with wrong-signed vals, but I do not see how
as val is sent to phy_read as is and __val = phy_read (not val)
is checked for sign.

Change val type for signed to allow better error handling as done in other
phy_read_poll_timeout callers. This will not fix any error handling
by itself, but allows, for example, to modify cond with appropriate
sign check or check resulting val separately.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 014068dcb5b1 ("net: phy: genphy_loopback: add link speed configuration")
Signed-off-by: Nikita Kiryushin <kiryushin@ancud.ru>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20240315175052.8049-1-kiryushin@ancud.ru
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/phy/phy_device.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index c1d6ebf12ec74..523436690adef 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -2645,8 +2645,8 @@ EXPORT_SYMBOL(genphy_resume);
 int genphy_loopback(struct phy_device *phydev, bool enable)
 {
 	if (enable) {
-		u16 val, ctl = BMCR_LOOPBACK;
-		int ret;
+		u16 ctl = BMCR_LOOPBACK;
+		int ret, val;
 
 		if (phydev->speed == SPEED_1000)
 			ctl |= BMCR_SPEED1000;
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 304/317] net/bnx2x: Prevent access to a freed page in page_pool
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (302 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 303/317] net: phy: fix phy_read_poll_timeout argument type in genphy_loopback Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 305/317] octeontx2-af: Use separate handlers for interrupts Sasha Levin
                   ` (15 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Thinh Tran, Jiri Pirko, Jakub Kicinski, Sasha Levin

From: Thinh Tran <thinhtr@linux.ibm.com>

[ Upstream commit d27e2da94a42655861ca4baea30c8cd65546f25d ]

Fix race condition leading to system crash during EEH error handling

During EEH error recovery, the bnx2x driver's transmit timeout logic
could cause a race condition when handling reset tasks. The
bnx2x_tx_timeout() schedules reset tasks via bnx2x_sp_rtnl_task(),
which ultimately leads to bnx2x_nic_unload(). In bnx2x_nic_unload()
SGEs are freed using bnx2x_free_rx_sge_range(). However, this could
overlap with the EEH driver's attempt to reset the device using
bnx2x_io_slot_reset(), which also tries to free SGEs. This race
condition can result in system crashes due to accessing freed memory
locations in bnx2x_free_rx_sge()

799  static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
800				struct bnx2x_fastpath *fp, u16 index)
801  {
802	struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
803     struct page *page = sw_buf->page;
....
where sw_buf was set to NULL after the call to dma_unmap_page()
by the preceding thread.

    EEH: Beginning: 'slot_reset'
    PCI 0011:01:00.0#10000: EEH: Invoking bnx2x->slot_reset()
    bnx2x: [bnx2x_io_slot_reset:14228(eth1)]IO slot reset initializing...
    bnx2x 0011:01:00.0: enabling device (0140 -> 0142)
    bnx2x: [bnx2x_io_slot_reset:14244(eth1)]IO slot reset --> driver unload
    Kernel attempted to read user page (0) - exploit attempt? (uid: 0)
    BUG: Kernel NULL pointer dereference on read at 0x00000000
    Faulting instruction address: 0xc0080000025065fc
    Oops: Kernel access of bad area, sig: 11 [#1]
    .....
    Call Trace:
    [c000000003c67a20] [c00800000250658c] bnx2x_io_slot_reset+0x204/0x610 [bnx2x] (unreliable)
    [c000000003c67af0] [c0000000000518a8] eeh_report_reset+0xb8/0xf0
    [c000000003c67b60] [c000000000052130] eeh_pe_report+0x180/0x550
    [c000000003c67c70] [c00000000005318c] eeh_handle_normal_event+0x84c/0xa60
    [c000000003c67d50] [c000000000053a84] eeh_event_handler+0xf4/0x170
    [c000000003c67da0] [c000000000194c58] kthread+0x1c8/0x1d0
    [c000000003c67e10] [c00000000000cf64] ret_from_kernel_thread+0x5c/0x64

To solve this issue, we need to verify page pool allocations before
freeing.

Fixes: 4cace675d687 ("bnx2x: Alloc 4k fragment for each rx ring buffer element")
Signed-off-by: Thinh Tran <thinhtr@linux.ibm.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240315205535.1321-1-thinhtr@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index d8b1824c334d3..0bc1367fd6492 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -1002,9 +1002,6 @@ static inline void bnx2x_set_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid,
 static inline void bnx2x_free_rx_mem_pool(struct bnx2x *bp,
 					  struct bnx2x_alloc_pool *pool)
 {
-	if (!pool->page)
-		return;
-
 	put_page(pool->page);
 
 	pool->page = NULL;
@@ -1015,6 +1012,9 @@ static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
 {
 	int i;
 
+	if (!fp->page_pool.page)
+		return;
+
 	if (fp->mode == TPA_MODE_DISABLED)
 		return;
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 305/317] octeontx2-af: Use separate handlers for interrupts
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (303 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 304/317] net/bnx2x: Prevent access to a freed page in page_pool Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 306/317] netfilter: nft_set_pipapo: release elements in clone only from destroy path Sasha Levin
                   ` (14 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Subbaraya Sundeep, David S . Miller, Sasha Levin

From: Subbaraya Sundeep <sbhatta@marvell.com>

[ Upstream commit 50e60de381c342008c0956fd762e1c26408f372c ]

For PF to AF interrupt vector and VF to AF vector same
interrupt handler is registered which is causing race condition.
When two interrupts are raised to two CPUs at same time
then two cores serve same event corrupting the data.

Fixes: 7304ac4567bc ("octeontx2-af: Add mailbox IRQ and msg handlers")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index f64509b1d120c..bac42e0065c6c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -2435,10 +2435,9 @@ static void rvu_queue_work(struct mbox_wq_info *mw, int first,
 	}
 }
 
-static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq)
+static irqreturn_t rvu_mbox_pf_intr_handler(int irq, void *rvu_irq)
 {
 	struct rvu *rvu = (struct rvu *)rvu_irq;
-	int vfs = rvu->vfs;
 	u64 intr;
 
 	intr = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT);
@@ -2452,6 +2451,18 @@ static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq)
 
 	rvu_queue_work(&rvu->afpf_wq_info, 0, rvu->hw->total_pfs, intr);
 
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq)
+{
+	struct rvu *rvu = (struct rvu *)rvu_irq;
+	int vfs = rvu->vfs;
+	u64 intr;
+
+	/* Sync with mbox memory region */
+	rmb();
+
 	/* Handle VF interrupts */
 	if (vfs > 64) {
 		intr = rvupf_read64(rvu, RVU_PF_VFPF_MBOX_INTX(1));
@@ -2779,7 +2790,7 @@ static int rvu_register_interrupts(struct rvu *rvu)
 	/* Register mailbox interrupt handler */
 	sprintf(&rvu->irq_name[RVU_AF_INT_VEC_MBOX * NAME_SIZE], "RVUAF Mbox");
 	ret = request_irq(pci_irq_vector(rvu->pdev, RVU_AF_INT_VEC_MBOX),
-			  rvu_mbox_intr_handler, 0,
+			  rvu_mbox_pf_intr_handler, 0,
 			  &rvu->irq_name[RVU_AF_INT_VEC_MBOX * NAME_SIZE], rvu);
 	if (ret) {
 		dev_err(rvu->dev,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 306/317] netfilter: nft_set_pipapo: release elements in clone only from destroy path
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (304 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 305/317] octeontx2-af: Use separate handlers for interrupts Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 307/317] netfilter: nf_tables: do not compare internal table flags on updates Sasha Levin
                   ` (13 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Pablo Neira Ayuso, Sasha Levin

From: Pablo Neira Ayuso <pablo@netfilter.org>

[ Upstream commit b0e256f3dd2ba6532f37c5c22e07cb07a36031ee ]

Clone already always provides a current view of the lookup table, use it
to destroy the set, otherwise it is possible to destroy elements twice.

This fix requires:

 212ed75dc5fb ("netfilter: nf_tables: integrate pipapo into commit protocol")

which came after:

 9827a0e6e23b ("netfilter: nft_set_pipapo: release elements in clone from abort path").

Fixes: 9827a0e6e23b ("netfilter: nft_set_pipapo: release elements in clone from abort path")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/netfilter/nft_set_pipapo.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index e1969209b3abb..58eca26162735 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -2240,8 +2240,6 @@ static void nft_pipapo_destroy(const struct nft_ctx *ctx,
 	if (m) {
 		rcu_barrier();
 
-		nft_set_pipapo_match_destroy(ctx, set, m);
-
 		for_each_possible_cpu(cpu)
 			pipapo_free_scratch(m, cpu);
 		free_percpu(m->scratch);
@@ -2253,8 +2251,7 @@ static void nft_pipapo_destroy(const struct nft_ctx *ctx,
 	if (priv->clone) {
 		m = priv->clone;
 
-		if (priv->dirty)
-			nft_set_pipapo_match_destroy(ctx, set, m);
+		nft_set_pipapo_match_destroy(ctx, set, m);
 
 		for_each_possible_cpu(cpu)
 			pipapo_free_scratch(priv->clone, cpu);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 307/317] netfilter: nf_tables: do not compare internal table flags on updates
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (305 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 306/317] netfilter: nft_set_pipapo: release elements in clone only from destroy path Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 308/317] rcu: add a helper to report consolidated flavor QS Sasha Levin
                   ` (12 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Pablo Neira Ayuso, Sasha Levin

From: Pablo Neira Ayuso <pablo@netfilter.org>

[ Upstream commit 4a0e7f2decbf9bd72461226f1f5f7dcc4b08f139 ]

Restore skipping transaction if table update does not modify flags.

Fixes: 179d9ba5559a ("netfilter: nf_tables: fix table flag updates")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/netfilter/nf_tables_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index a5e1468cac5ed..42bf83a20cb52 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1152,7 +1152,7 @@ static int nf_tables_updtable(struct nft_ctx *ctx)
 	if (flags & ~NFT_TABLE_F_MASK)
 		return -EOPNOTSUPP;
 
-	if (flags == ctx->table->flags)
+	if (flags == (ctx->table->flags & NFT_TABLE_F_MASK))
 		return 0;
 
 	if ((nft_table_has_owner(ctx->table) &&
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 308/317] rcu: add a helper to report consolidated flavor QS
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (306 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 307/317] netfilter: nf_tables: do not compare internal table flags on updates Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 309/317] net: report RCU QS on threaded NAPI repolling Sasha Levin
                   ` (11 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yan Zhai, Paul E . McKenney, Jesper Dangaard Brouer,
	Jakub Kicinski, Sasha Levin

From: Yan Zhai <yan@cloudflare.com>

[ Upstream commit 1a77557d48cff187a169c2aec01c0dd78a5e7e50 ]

When under heavy load, network processing can run CPU-bound for many
tens of seconds. Even in preemptible kernels (non-RT kernel), this can
block RCU Tasks grace periods, which can cause trace-event removal to
take more than a minute, which is unacceptably long.

This commit therefore creates a new helper function that passes through
both RCU and RCU-Tasks quiescent states every 100 milliseconds. This
hard-coded value suffices for current workloads.

Suggested-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/90431d46ee112d2b0af04dbfe936faaca11810a5.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: d6dbbb11247c ("net: report RCU QS on threaded NAPI repolling")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/rcupdate.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index e3b12de36e924..d908af5917339 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -230,6 +230,37 @@ do { \
 	cond_resched(); \
 } while (0)
 
+/**
+ * rcu_softirq_qs_periodic - Report RCU and RCU-Tasks quiescent states
+ * @old_ts: jiffies at start of processing.
+ *
+ * This helper is for long-running softirq handlers, such as NAPI threads in
+ * networking. The caller should initialize the variable passed in as @old_ts
+ * at the beginning of the softirq handler. When invoked frequently, this macro
+ * will invoke rcu_softirq_qs() every 100 milliseconds thereafter, which will
+ * provide both RCU and RCU-Tasks quiescent states. Note that this macro
+ * modifies its old_ts argument.
+ *
+ * Because regions of code that have disabled softirq act as RCU read-side
+ * critical sections, this macro should be invoked with softirq (and
+ * preemption) enabled.
+ *
+ * The macro is not needed when CONFIG_PREEMPT_RT is defined. RT kernels would
+ * have more chance to invoke schedule() calls and provide necessary quiescent
+ * states. As a contrast, calling cond_resched() only won't achieve the same
+ * effect because cond_resched() does not provide RCU-Tasks quiescent states.
+ */
+#define rcu_softirq_qs_periodic(old_ts) \
+do { \
+	if (!IS_ENABLED(CONFIG_PREEMPT_RT) && \
+	    time_after(jiffies, (old_ts) + HZ / 10)) { \
+		preempt_disable(); \
+		rcu_softirq_qs(); \
+		preempt_enable(); \
+		(old_ts) = jiffies; \
+	} \
+} while (0)
+
 /*
  * Infrastructure to implement the synchronize_() primitives in
  * TREE_RCU and rcu_barrier_() primitives in TINY_RCU.
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 309/317] net: report RCU QS on threaded NAPI repolling
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (307 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 308/317] rcu: add a helper to report consolidated flavor QS Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 310/317] bpf: report RCU QS in cpumap kthread Sasha Levin
                   ` (10 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yan Zhai, Jesper Dangaard Brouer, Paul E . McKenney,
	Jakub Kicinski, Sasha Levin

From: Yan Zhai <yan@cloudflare.com>

[ Upstream commit d6dbbb11247c71203785a2c9da474c36f4b19eae ]

NAPI threads can keep polling packets under load. Currently it is only
calling cond_resched() before repolling, but it is not sufficient to
clear out the holdout of RCU tasks, which prevent BPF tracing programs
from detaching for long period. This can be reproduced easily with
following set up:

ip netns add test1
ip netns add test2

ip -n test1 link add veth1 type veth peer name veth2 netns test2

ip -n test1 link set veth1 up
ip -n test1 link set lo up
ip -n test2 link set veth2 up
ip -n test2 link set lo up

ip -n test1 addr add 192.168.1.2/31 dev veth1
ip -n test1 addr add 1.1.1.1/32 dev lo
ip -n test2 addr add 192.168.1.3/31 dev veth2
ip -n test2 addr add 2.2.2.2/31 dev lo

ip -n test1 route add default via 192.168.1.3
ip -n test2 route add default via 192.168.1.2

for i in `seq 10 210`; do
 for j in `seq 10 210`; do
    ip netns exec test2 iptables -I INPUT -s 3.3.$i.$j -p udp --dport 5201
 done
done

ip netns exec test2 ethtool -K veth2 gro on
ip netns exec test2 bash -c 'echo 1 > /sys/class/net/veth2/threaded'
ip netns exec test1 ethtool -K veth1 tso off

Then run an iperf3 client/server and a bpftrace script can trigger it:

ip netns exec test2 iperf3 -s -B 2.2.2.2 >/dev/null&
ip netns exec test1 iperf3 -c 2.2.2.2 -B 1.1.1.1 -u -l 1500 -b 3g -t 100 >/dev/null&
bpftrace -e 'kfunc:__napi_poll{@=count();} interval:s:1{exit();}'

Report RCU quiescent states periodically will resolve the issue.

Fixes: 29863d41bb6e ("net: implement threaded-able napi poll loop support")
Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/4c3b0d3f32d3b18949d75b18e5e1d9f13a24f025.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/dev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/core/dev.c b/net/core/dev.c
index 1e41971c06177..f80bc2ca888aa 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -7143,6 +7143,8 @@ static int napi_threaded_poll(void *data)
 	void *have;
 
 	while (!napi_thread_wait(napi)) {
+		unsigned long last_qs = jiffies;
+
 		for (;;) {
 			bool repoll = false;
 
@@ -7157,6 +7159,7 @@ static int napi_threaded_poll(void *data)
 			if (!repoll)
 				break;
 
+			rcu_softirq_qs_periodic(last_qs);
 			cond_resched();
 		}
 	}
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 310/317] bpf: report RCU QS in cpumap kthread
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (308 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 309/317] net: report RCU QS on threaded NAPI repolling Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 311/317] net: dsa: mt7530: fix handling of LLDP frames Sasha Levin
                   ` (9 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Yan Zhai, Jesper Dangaard Brouer, Paul E . McKenney,
	Jakub Kicinski, Sasha Levin

From: Yan Zhai <yan@cloudflare.com>

[ Upstream commit 00bf63122459e87193ee7f1bc6161c83a525569f ]

When there are heavy load, cpumap kernel threads can be busy polling
packets from redirect queues and block out RCU tasks from reaching
quiescent states. It is insufficient to just call cond_resched() in such
context. Periodically raise a consolidated RCU QS before cond_resched
fixes the problem.

Fixes: 6710e1126934 ("bpf: introduce new bpf cpu map type BPF_MAP_TYPE_CPUMAP")
Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/c17b9f1517e19d813da3ede5ed33ee18496bb5d8.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 kernel/bpf/cpumap.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index f7de5b313cc5b..a8429cfb4ae8c 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -305,6 +305,7 @@ static int cpu_map_bpf_prog_run(struct bpf_cpu_map_entry *rcpu, void **frames,
 static int cpu_map_kthread_run(void *data)
 {
 	struct bpf_cpu_map_entry *rcpu = data;
+	unsigned long last_qs = jiffies;
 
 	complete(&rcpu->kthread_running);
 	set_current_state(TASK_INTERRUPTIBLE);
@@ -330,10 +331,12 @@ static int cpu_map_kthread_run(void *data)
 			if (__ptr_ring_empty(rcpu->queue)) {
 				schedule();
 				sched = 1;
+				last_qs = jiffies;
 			} else {
 				__set_current_state(TASK_RUNNING);
 			}
 		} else {
+			rcu_softirq_qs_periodic(last_qs);
 			sched = cond_resched();
 		}
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 311/317] net: dsa: mt7530: fix handling of LLDP frames
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (309 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 310/317] bpf: report RCU QS in cpumap kthread Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 312/317] net: dsa: mt7530: fix handling of 802.1X PAE frames Sasha Levin
                   ` (8 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arınç ÜNAL, Vladimir Oltean, Russell King,
	Florian Fainelli, David S . Miller, Sasha Levin

From: Arınç ÜNAL <arinc.unal@arinc9.com>

[ Upstream commit 8332cf6fd7c7087dbc2067115b33979c9851bbc4 ]

LLDP frames are link-local frames, therefore they must be trapped to the
CPU port. Currently, the MT753X switches treat LLDP frames as regular
multicast frames, therefore flooding them to user ports. To fix this, set
LLDP frames to be trapped to the CPU port(s).

Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: e8bf353577f3 ("net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/dsa/mt7530.c | 4 ++++
 drivers/net/dsa/mt7530.h | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 636943035c292..252e8eaa92767 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -999,6 +999,10 @@ mt753x_trap_frames(struct mt7530_priv *priv)
 	/* Trap BPDUs to the CPU port(s) */
 	mt7530_rmw(priv, MT753X_BPC, MT753X_BPDU_PORT_FW_MASK,
 		   MT753X_BPDU_CPU_ONLY);
+
+	/* Trap LLDP frames with :0E MAC DA to the CPU port(s) */
+	mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_PORT_FW_MASK,
+		   MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY));
 }
 
 static int
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 91508e2feef95..8cee462d5f1cb 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -66,6 +66,11 @@ enum mt753x_id {
 #define MT753X_BPC			0x24
 #define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
 
+/* Register for :03 and :0E MAC DA frame control */
+#define MT753X_RGAC2			0x2c
+#define  MT753X_R0E_PORT_FW_MASK	GENMASK(18, 16)
+#define  MT753X_R0E_PORT_FW(x)		FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
+
 enum mt753x_bpdu_port_fw {
 	MT753X_BPDU_FOLLOW_MFC,
 	MT753X_BPDU_CPU_EXCLUDE = 4,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 312/317] net: dsa: mt7530: fix handling of 802.1X PAE frames
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (310 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 311/317] net: dsa: mt7530: fix handling of LLDP frames Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 313/317] net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports Sasha Levin
                   ` (7 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Arınç ÜNAL, Vladimir Oltean, David S . Miller,
	Sasha Levin

From: Arınç ÜNAL <arinc.unal@arinc9.com>

[ Upstream commit e94b590abfff2cdbf0bdaa7d9904364c8d480af5 ]

802.1X PAE frames are link-local frames, therefore they must be trapped to
the CPU port. Currently, the MT753X switches treat 802.1X PAE frames as
regular multicast frames, therefore flooding them to user ports. To fix
this, set 802.1X PAE frames to be trapped to the CPU port(s).

Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: e8bf353577f3 ("net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/dsa/mt7530.c | 4 ++++
 drivers/net/dsa/mt7530.h | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 252e8eaa92767..30570b9dc88f2 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1000,6 +1000,10 @@ mt753x_trap_frames(struct mt7530_priv *priv)
 	mt7530_rmw(priv, MT753X_BPC, MT753X_BPDU_PORT_FW_MASK,
 		   MT753X_BPDU_CPU_ONLY);
 
+	/* Trap 802.1X PAE frames to the CPU port(s) */
+	mt7530_rmw(priv, MT753X_BPC, MT753X_PAE_PORT_FW_MASK,
+		   MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY));
+
 	/* Trap LLDP frames with :0E MAC DA to the CPU port(s) */
 	mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_PORT_FW_MASK,
 		   MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY));
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 8cee462d5f1cb..2c895f35383e2 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -65,6 +65,8 @@ enum mt753x_id {
 /* Registers for BPDU and PAE frame control*/
 #define MT753X_BPC			0x24
 #define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
+#define  MT753X_PAE_PORT_FW_MASK	GENMASK(18, 16)
+#define  MT753X_PAE_PORT_FW(x)		FIELD_PREP(MT753X_PAE_PORT_FW_MASK, x)
 
 /* Register for :03 and :0E MAC DA frame control */
 #define MT753X_RGAC2			0x2c
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 313/317] net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (311 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 312/317] net: dsa: mt7530: fix handling of 802.1X PAE frames Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 314/317] net: dsa: mt7530: fix handling of all link-local frames Sasha Levin
                   ` (6 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Arınç ÜNAL, Paolo Abeni, Sasha Levin

From: Arınç ÜNAL <arinc.unal@arinc9.com>

[ Upstream commit e8bf353577f382c7066c661fed41b2adc0fc7c40 ]

Whether VLAN-aware or not, on every VID VLAN table entry that has the CPU
port as a member of it, frames are set to egress the CPU port with the VLAN
tag stacked. This is so that VLAN tags can be appended after hardware
special tag (called DSA tag in the context of Linux drivers).

For user ports on a VLAN-unaware bridge, frame ingressing the user port
egresses CPU port with only the special tag.

For user ports on a VLAN-aware bridge, frame ingressing the user port
egresses CPU port with the special tag and the VLAN tag.

This causes issues with link-local frames, specifically BPDUs, because the
software expects to receive them VLAN-untagged.

There are two options to make link-local frames egress untagged. Setting
CONSISTENT or UNTAGGED on the EG_TAG bits on the relevant register.
CONSISTENT means frames egress exactly as they ingress. That means
egressing with the VLAN tag they had at ingress or egressing untagged if
they ingressed untagged. Although link-local frames are not supposed to be
transmitted VLAN-tagged, if they are done so, when egressing through a CPU
port, the special tag field will be broken.

BPDU egresses CPU port with VLAN tag egressing stacked, received on
software:

00:01:25.104821 AF Unknown (382365846), length 106:
                                     | STAG  | | VLAN  |
        0x0000:  0000 6c27 614d 4143 0001 0000 8100 0001  ..l'aMAC........
        0x0010:  0026 4242 0300 0000 0000 0000 6c27 614d  .&BB........l'aM
        0x0020:  4143 0000 0000 0000 6c27 614d 4143 0000  AC......l'aMAC..
        0x0030:  0000 1400 0200 0f00 0000 0000 0000 0000  ................

BPDU egresses CPU port with VLAN tag egressing untagged, received on
software:

00:23:56.628708 AF Unknown (25215488), length 64:
                                     | STAG  |
        0x0000:  0000 6c27 614d 4143 0001 0000 0026 4242  ..l'aMAC.....&BB
        0x0010:  0300 0000 0000 0000 6c27 614d 4143 0000  ........l'aMAC..
        0x0020:  0000 0000 6c27 614d 4143 0000 0000 1400  ....l'aMAC......
        0x0030:  0200 0f00 0000 0000 0000 0000            ............

BPDU egresses CPU port with VLAN tag egressing tagged, received on
software:

00:01:34.311963 AF Unknown (25215488), length 64:
                                     | Mess  |
        0x0000:  0000 6c27 614d 4143 0001 0001 0026 4242  ..l'aMAC.....&BB
        0x0010:  0300 0000 0000 0000 6c27 614d 4143 0000  ........l'aMAC..
        0x0020:  0000 0000 6c27 614d 4143 0000 0000 1400  ....l'aMAC......
        0x0030:  0200 0f00 0000 0000 0000 0000            ............

To prevent confusing the software, force the frame to egress UNTAGGED
instead of CONSISTENT. This way, frames can't possibly be received TAGGED
by software which would have the special tag field broken.

VLAN Tag Egress Procedure

   For all frames, one of these options set the earliest in this order will
   apply to the frame:

   - EG_TAG in certain registers for certain frames.
     This will apply to frame with matching MAC DA or EtherType.

   - EG_TAG in the address table.
     This will apply to frame at its incoming port.

   - EG_TAG in the PVC register.
     This will apply to frame at its incoming port.

   - EG_CON and [EG_TAG per port] in the VLAN table.
     This will apply to frame at its outgoing port.

   - EG_TAG in the PCR register.
     This will apply to frame at its outgoing port.

   EG_TAG in certain registers for certain frames:

   PPPoE Discovery_ARP/RARP: PPP_EG_TAG and ARP_EG_TAG in the APC register.
   IGMP_MLD: IGMP_EG_TAG and MLD_EG_TAG in the IMC register.
   BPDU and PAE: BPDU_EG_TAG and PAE_EG_TAG in the BPC register.
   REV_01 and REV_02: R01_EG_TAG and R02_EG_TAG in the RGAC1 register.
   REV_03 and REV_0E: R03_EG_TAG and R0E_EG_TAG in the RGAC2 register.
   REV_10 and REV_20: R10_EG_TAG and R20_EG_TAG in the RGAC3 register.
   REV_21 and REV_UN: R21_EG_TAG and RUN_EG_TAG in the RGAC4 register.

With this change, it can be observed that a bridge interface with stp_state
and vlan_filtering enabled will properly block ports now.

Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/dsa/mt7530.c | 23 +++++++++++++++--------
 drivers/net/dsa/mt7530.h |  9 ++++++++-
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 30570b9dc88f2..834bcb9d44fd7 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -996,16 +996,23 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface)
 static void
 mt753x_trap_frames(struct mt7530_priv *priv)
 {
-	/* Trap BPDUs to the CPU port(s) */
-	mt7530_rmw(priv, MT753X_BPC, MT753X_BPDU_PORT_FW_MASK,
+	/* Trap 802.1X PAE frames and BPDUs to the CPU port(s) and egress them
+	 * VLAN-untagged.
+	 */
+	mt7530_rmw(priv, MT753X_BPC, MT753X_PAE_EG_TAG_MASK |
+		   MT753X_PAE_PORT_FW_MASK | MT753X_BPDU_EG_TAG_MASK |
+		   MT753X_BPDU_PORT_FW_MASK,
+		   MT753X_PAE_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+		   MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY) |
+		   MT753X_BPDU_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
 		   MT753X_BPDU_CPU_ONLY);
 
-	/* Trap 802.1X PAE frames to the CPU port(s) */
-	mt7530_rmw(priv, MT753X_BPC, MT753X_PAE_PORT_FW_MASK,
-		   MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY));
-
-	/* Trap LLDP frames with :0E MAC DA to the CPU port(s) */
-	mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_PORT_FW_MASK,
+	/* Trap LLDP frames with :0E MAC DA to the CPU port(s) and egress them
+	 * VLAN-untagged.
+	 */
+	mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_EG_TAG_MASK |
+		   MT753X_R0E_PORT_FW_MASK,
+		   MT753X_R0E_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
 		   MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY));
 }
 
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 2c895f35383e2..7c0820d341db7 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -64,12 +64,18 @@ enum mt753x_id {
 
 /* Registers for BPDU and PAE frame control*/
 #define MT753X_BPC			0x24
-#define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
+#define  MT753X_PAE_EG_TAG_MASK		GENMASK(24, 22)
+#define  MT753X_PAE_EG_TAG(x)		FIELD_PREP(MT753X_PAE_EG_TAG_MASK, x)
 #define  MT753X_PAE_PORT_FW_MASK	GENMASK(18, 16)
 #define  MT753X_PAE_PORT_FW(x)		FIELD_PREP(MT753X_PAE_PORT_FW_MASK, x)
+#define  MT753X_BPDU_EG_TAG_MASK	GENMASK(8, 6)
+#define  MT753X_BPDU_EG_TAG(x)		FIELD_PREP(MT753X_BPDU_EG_TAG_MASK, x)
+#define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
 
 /* Register for :03 and :0E MAC DA frame control */
 #define MT753X_RGAC2			0x2c
+#define  MT753X_R0E_EG_TAG_MASK		GENMASK(24, 22)
+#define  MT753X_R0E_EG_TAG(x)		FIELD_PREP(MT753X_R0E_EG_TAG_MASK, x)
 #define  MT753X_R0E_PORT_FW_MASK	GENMASK(18, 16)
 #define  MT753X_R0E_PORT_FW(x)		FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
 
@@ -252,6 +258,7 @@ enum mt7530_port_mode {
 enum mt7530_vlan_port_eg_tag {
 	MT7530_VLAN_EG_DISABLED = 0,
 	MT7530_VLAN_EG_CONSISTENT = 1,
+	MT7530_VLAN_EG_UNTAGGED = 4,
 };
 
 enum mt7530_vlan_port_attr {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 314/317] net: dsa: mt7530: fix handling of all link-local frames
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (312 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 313/317] net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 315/317] spi: spi-mt65xx: Fix NULL pointer access in interrupt handler Sasha Levin
                   ` (5 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Arınç ÜNAL, Paolo Abeni, Sasha Levin

From: Arınç ÜNAL <arinc.unal@arinc9.com>

[ Upstream commit 69ddba9d170bdaee1dc0eb4ced38d7e4bb7b92af ]

Currently, the MT753X switches treat frames with :01-0D and :0F MAC DAs as
regular multicast frames, therefore flooding them to user ports.

On page 205, section "8.6.3 Frame filtering" of the active standard, IEEE
Std 802.1Q™-2022, it is stated that frames with 01:80:C2:00:00:00-0F as MAC
DA must only be propagated to C-VLAN and MAC Bridge components. That means
VLAN-aware and VLAN-unaware bridges. On the switch designs with CPU ports,
these frames are supposed to be processed by the CPU (software). So we make
the switch only forward them to the CPU port. And if received from a CPU
port, forward to a single port. The software is responsible of making the
switch conform to the latter by setting a single port as destination port
on the special tag.

This switch intellectual property cannot conform to this part of the
standard fully. Whilst the REV_UN frame tag covers the remaining :04-0D and
:0F MAC DAs, it also includes :22-FF which the scope of propagation is not
supposed to be restricted for these MAC DAs.

Set frames with :01-03 MAC DAs to be trapped to the CPU port(s). Add a
comment for the remaining MAC DAs.

Note that the ingress port must have a PVID assigned to it for the switch
to forward untagged frames. A PVID is set by default on VLAN-aware and
VLAN-unaware ports. However, when the network interface that pertains to
the ingress port is attached to a vlan_filtering enabled bridge, the user
can remove the PVID assignment from it which would prevent the link-local
frames from being trapped to the CPU port. I am yet to see a way to forward
link-local frames while preventing other untagged frames from being
forwarded too.

Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/dsa/mt7530.c | 37 +++++++++++++++++++++++++++++++++----
 drivers/net/dsa/mt7530.h | 13 +++++++++++++
 2 files changed, 46 insertions(+), 4 deletions(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 834bcb9d44fd7..f36aacebb1bc6 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -993,6 +993,21 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface)
 	mutex_unlock(&priv->reg_mutex);
 }
 
+/* On page 205, section "8.6.3 Frame filtering" of the active standard, IEEE Std
+ * 802.1Q™-2022, it is stated that frames with 01:80:C2:00:00:00-0F as MAC DA
+ * must only be propagated to C-VLAN and MAC Bridge components. That means
+ * VLAN-aware and VLAN-unaware bridges. On the switch designs with CPU ports,
+ * these frames are supposed to be processed by the CPU (software). So we make
+ * the switch only forward them to the CPU port. And if received from a CPU
+ * port, forward to a single port. The software is responsible of making the
+ * switch conform to the latter by setting a single port as destination port on
+ * the special tag.
+ *
+ * This switch intellectual property cannot conform to this part of the standard
+ * fully. Whilst the REV_UN frame tag covers the remaining :04-0D and :0F MAC
+ * DAs, it also includes :22-FF which the scope of propagation is not supposed
+ * to be restricted for these MAC DAs.
+ */
 static void
 mt753x_trap_frames(struct mt7530_priv *priv)
 {
@@ -1007,13 +1022,27 @@ mt753x_trap_frames(struct mt7530_priv *priv)
 		   MT753X_BPDU_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
 		   MT753X_BPDU_CPU_ONLY);
 
-	/* Trap LLDP frames with :0E MAC DA to the CPU port(s) and egress them
-	 * VLAN-untagged.
+	/* Trap frames with :01 and :02 MAC DAs to the CPU port(s) and egress
+	 * them VLAN-untagged.
+	 */
+	mt7530_rmw(priv, MT753X_RGAC1, MT753X_R02_EG_TAG_MASK |
+		   MT753X_R02_PORT_FW_MASK | MT753X_R01_EG_TAG_MASK |
+		   MT753X_R01_PORT_FW_MASK,
+		   MT753X_R02_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+		   MT753X_R02_PORT_FW(MT753X_BPDU_CPU_ONLY) |
+		   MT753X_R01_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+		   MT753X_BPDU_CPU_ONLY);
+
+	/* Trap frames with :03 and :0E MAC DAs to the CPU port(s) and egress
+	 * them VLAN-untagged.
 	 */
 	mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_EG_TAG_MASK |
-		   MT753X_R0E_PORT_FW_MASK,
+		   MT753X_R0E_PORT_FW_MASK | MT753X_R03_EG_TAG_MASK |
+		   MT753X_R03_PORT_FW_MASK,
 		   MT753X_R0E_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
-		   MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY));
+		   MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY) |
+		   MT753X_R03_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+		   MT753X_BPDU_CPU_ONLY);
 }
 
 static int
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 7c0820d341db7..03598f9ae288c 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -72,12 +72,25 @@ enum mt753x_id {
 #define  MT753X_BPDU_EG_TAG(x)		FIELD_PREP(MT753X_BPDU_EG_TAG_MASK, x)
 #define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
 
+/* Register for :01 and :02 MAC DA frame control */
+#define MT753X_RGAC1			0x28
+#define  MT753X_R02_EG_TAG_MASK		GENMASK(24, 22)
+#define  MT753X_R02_EG_TAG(x)		FIELD_PREP(MT753X_R02_EG_TAG_MASK, x)
+#define  MT753X_R02_PORT_FW_MASK	GENMASK(18, 16)
+#define  MT753X_R02_PORT_FW(x)		FIELD_PREP(MT753X_R02_PORT_FW_MASK, x)
+#define  MT753X_R01_EG_TAG_MASK		GENMASK(8, 6)
+#define  MT753X_R01_EG_TAG(x)		FIELD_PREP(MT753X_R01_EG_TAG_MASK, x)
+#define  MT753X_R01_PORT_FW_MASK	GENMASK(2, 0)
+
 /* Register for :03 and :0E MAC DA frame control */
 #define MT753X_RGAC2			0x2c
 #define  MT753X_R0E_EG_TAG_MASK		GENMASK(24, 22)
 #define  MT753X_R0E_EG_TAG(x)		FIELD_PREP(MT753X_R0E_EG_TAG_MASK, x)
 #define  MT753X_R0E_PORT_FW_MASK	GENMASK(18, 16)
 #define  MT753X_R0E_PORT_FW(x)		FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
+#define  MT753X_R03_EG_TAG_MASK		GENMASK(8, 6)
+#define  MT753X_R03_EG_TAG(x)		FIELD_PREP(MT753X_R03_EG_TAG_MASK, x)
+#define  MT753X_R03_PORT_FW_MASK	GENMASK(2, 0)
 
 enum mt753x_bpdu_port_fw {
 	MT753X_BPDU_FOLLOW_MFC,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 315/317] spi: spi-mt65xx: Fix NULL pointer access in interrupt handler
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (313 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 314/317] net: dsa: mt7530: fix handling of all link-local frames Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 316/317] regmap: Add missing map->bus check Sasha Levin
                   ` (4 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Fei Shao, AngeloGioacchino Del Regno, Mark Brown, Sasha Levin

From: Fei Shao <fshao@chromium.org>

[ Upstream commit a20ad45008a7c82f1184dc6dee280096009ece55 ]

The TX buffer in spi_transfer can be a NULL pointer, so the interrupt
handler may end up writing to the invalid memory and cause crashes.

Add a check to trans->tx_buf before using it.

Fixes: 1ce24864bff4 ("spi: mediatek: Only do dma for 4-byte aligned buffers")
Signed-off-by: Fei Shao <fshao@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://msgid.link/r/20240321070942.1587146-2-fshao@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/spi/spi-mt65xx.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 49acba1dea1e7..30aac6f093b21 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -659,17 +659,19 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
 		mdata->xfer_len = min(MTK_SPI_MAX_FIFO_SIZE, len);
 		mtk_spi_setup_packet(master);
 
-		cnt = mdata->xfer_len / 4;
-		iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
-				trans->tx_buf + mdata->num_xfered, cnt);
+		if (trans->tx_buf) {
+			cnt = mdata->xfer_len / 4;
+			iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
+					trans->tx_buf + mdata->num_xfered, cnt);
 
-		remainder = mdata->xfer_len % 4;
-		if (remainder > 0) {
-			reg_val = 0;
-			memcpy(&reg_val,
-				trans->tx_buf + (cnt * 4) + mdata->num_xfered,
-				remainder);
-			writel(reg_val, mdata->base + SPI_TX_DATA_REG);
+			remainder = mdata->xfer_len % 4;
+			if (remainder > 0) {
+				reg_val = 0;
+				memcpy(&reg_val,
+					trans->tx_buf + (cnt * 4) + mdata->num_xfered,
+					remainder);
+				writel(reg_val, mdata->base + SPI_TX_DATA_REG);
+			}
 		}
 
 		mtk_spi_enable_transfer(master);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 316/317] regmap: Add missing map->bus check
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (314 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 315/317] spi: spi-mt65xx: Fix NULL pointer access in interrupt handler Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-24 23:34 ` [PATCH 5.15 317/317] Linux 5.15.153-rc1 Sasha Levin
                   ` (3 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Marek Vasut, kernel test robot, Dan Carpenter, Mark Brown, Sasha Levin

From: Marek Vasut <marex@denx.de>

[ Upstream commit 5c422f0b970d287efa864b8390a02face404db5d ]

The map->bus can be NULL here, add the missing NULL pointer check.

Fixes: d77e745613680 ("regmap: Add bulk read/write callbacks into regmap_config")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Mark Brown <broonie@kernel.org>
To: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/20220509003035.225272-1-marex@denx.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/base/regmap/regmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 6adb345866610..893b0615935e9 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1836,7 +1836,7 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg,
 				 map->format.reg_bytes +
 				 map->format.pad_bytes +
 				 val_len);
-	else if (map->bus->gather_write)
+	else if (map->bus && map->bus->gather_write)
 		ret = map->bus->gather_write(map->bus_context, map->work_buf,
 					     map->format.reg_bytes +
 					     map->format.pad_bytes,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* [PATCH 5.15 317/317] Linux 5.15.153-rc1
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (315 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 316/317] regmap: Add missing map->bus check Sasha Levin
@ 2024-03-24 23:34 ` Sasha Levin
  2024-03-25  5:52 ` [PATCH 5.15 000/317] 5.15.153-rc1 review Harshit Mogalapalli
                   ` (2 subsequent siblings)
  319 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-24 23:34 UTC (permalink / raw)
  To: linux-kernel, stable; +Cc: Sasha Levin

Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 918a73d3976f9..bdd523cd005d9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 15
-SUBLEVEL = 152
-EXTRAVERSION =
+SUBLEVEL = 153
+EXTRAVERSION = -rc1
 NAME = Trick or Treat
 
 # *DOCUMENTATION*
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 032/317] f2fs: implement iomap operations
  2024-03-24 23:30 ` [PATCH 5.15 032/317] f2fs: implement iomap operations Sasha Levin
@ 2024-03-25  3:37   ` Eric Biggers
  2024-03-25  3:40     ` Eric Biggers
  2024-03-25 11:09     ` Sasha Levin
  0 siblings, 2 replies; 334+ messages in thread
From: Eric Biggers @ 2024-03-25  3:37 UTC (permalink / raw)
  To: Sasha Levin; +Cc: linux-kernel, stable, Jaegeuk Kim

On Sun, Mar 24, 2024 at 07:30:12PM -0400, Sasha Levin wrote:
> From: Eric Biggers <ebiggers@google.com>
> 
> [ Upstream commit 1517c1a7a4456f080fabc4ac9853930e4b880d14 ]
> 
> Implement 'struct iomap_ops' for f2fs, in preparation for making f2fs
> use iomap for direct I/O.
> 
> Note that this may be used for other things besides direct I/O in the
> future; however, for now I've only tested it for direct I/O.
> 
> Signed-off-by: Eric Biggers <ebiggers@google.com>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> Stable-dep-of: ec16b147a55b ("fs: Fix rw_hint validation")
> Signed-off-by: Sasha Levin <sashal@kernel.org>

Nacked-by: Eric Biggers <ebiggers@google.com>

No reason to backport this, and the f2fs mailing list wasn't even Cc'ed...

- Eric

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 032/317] f2fs: implement iomap operations
  2024-03-25  3:37   ` Eric Biggers
@ 2024-03-25  3:40     ` Eric Biggers
  2024-03-25 11:09     ` Sasha Levin
  1 sibling, 0 replies; 334+ messages in thread
From: Eric Biggers @ 2024-03-25  3:40 UTC (permalink / raw)
  To: Sasha Levin; +Cc: linux-kernel, stable, Jaegeuk Kim

On Sun, Mar 24, 2024 at 08:37:19PM -0700, Eric Biggers wrote:
> On Sun, Mar 24, 2024 at 07:30:12PM -0400, Sasha Levin wrote:
> > From: Eric Biggers <ebiggers@google.com>
> > 
> > [ Upstream commit 1517c1a7a4456f080fabc4ac9853930e4b880d14 ]
> > 
> > Implement 'struct iomap_ops' for f2fs, in preparation for making f2fs
> > use iomap for direct I/O.
> > 
> > Note that this may be used for other things besides direct I/O in the
> > future; however, for now I've only tested it for direct I/O.
> > 
> > Signed-off-by: Eric Biggers <ebiggers@google.com>
> > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> > Stable-dep-of: ec16b147a55b ("fs: Fix rw_hint validation")
> > Signed-off-by: Sasha Levin <sashal@kernel.org>
> 
> Nacked-by: Eric Biggers <ebiggers@google.com>
> 
> No reason to backport this, and the f2fs mailing list wasn't even Cc'ed...
> 
> - Eric

I see a lot of other f2fs patches in the queue too, have these been tested?

- Eric

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 000/317] 5.15.153-rc1 review
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (316 preceding siblings ...)
  2024-03-24 23:34 ` [PATCH 5.15 317/317] Linux 5.15.153-rc1 Sasha Levin
@ 2024-03-25  5:52 ` Harshit Mogalapalli
  2024-03-25  9:10 ` Naresh Kamboju
  2024-03-25  9:28 ` Naresh Kamboju
  319 siblings, 0 replies; 334+ messages in thread
From: Harshit Mogalapalli @ 2024-03-25  5:52 UTC (permalink / raw)
  To: Sasha Levin, linux-kernel, stable
  Cc: torvalds, akpm, linux, shuah, patches, lkft-triage,
	florian.fainelli, pavel, Vegard Nossum, Darren Kenny

Hi Sasha,


On 25/03/24 04:59, Sasha Levin wrote:
> 
> This is the start of the stable review cycle for the 5.15.153 release.
> There are 317 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Tue Mar 26 11:34:43 PM UTC 2024.
> Anything received after that time might be too late.
>

We have a build failure in  5.15.153:
libbpf.c:74:12: error: 'map_set_def_max_entries' used but never defined 
[-Werror]
    74 | static int map_set_def_max_entries(struct bpf_map *map);
       |            ^~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

this function is not defined in 5.15.153



$ git grep "map_set_def_max_entries"
tools/lib/bpf/libbpf.c:static int map_set_def_max_entries(struct bpf_map 
*map);
tools/lib/bpf/libbpf.c:                 err = 
map_set_def_max_entries(map->inner_map);


This is introduced by PATCH: "[PATCH 5.15 067/317] libbpf: Apply 
map_set_def_max_entries() for inner_maps on creation" in this series

This missing function is defined in commit: a4fbfdd7a160 ("libbpf: Fix 
BPF_MAP_TYPE_PERF_EVENT_ARRAY auto-pinning") and pulling this in needs 
some conflict resolution.

So I think for now the best idea is to drop this patch[067/317]


Thanks,
Harshit

> The whole patch series can be found in one patch at:
>          https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/patch/?id=linux-5.15.y&id2=v5.15.152
> or in the git tree and branch at:
>          git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> and the diffstat can be found below.
> 
> Thanks,
> Sasha
> 

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 087/317] arm64: dts: qcom: msm8998: drop USB PHY clock index
  2024-03-24 23:31 ` [PATCH 5.15 087/317] arm64: dts: qcom: msm8998: drop USB PHY clock index Sasha Levin
@ 2024-03-25  7:42   ` Johan Hovold
  0 siblings, 0 replies; 334+ messages in thread
From: Johan Hovold @ 2024-03-25  7:42 UTC (permalink / raw)
  To: Sasha Levin
  Cc: linux-kernel, stable, Johan Hovold, Dmitry Baryshkov, Bjorn Andersson

On Sun, Mar 24, 2024 at 07:31:07PM -0400, Sasha Levin wrote:
> From: Johan Hovold <johan+linaro@kernel.org>
> 
> [ Upstream commit ed9cbbcb8c6a1925db7995214602c6a8983ff870 ]
> 
> The QMP USB PHY provides a single clock so drop the redundant clock
> index.
> 
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> Link: https://lore.kernel.org/r/20220705114032.22787-7-johan+linaro@kernel.org
> Stable-dep-of: fc835b2311d4 ("arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY")

As I also already pointed out once, this patch does not make sense to
backport and neither does the Stable-dep-of which depends on a new
driver in 6.9.

Please drop from all stable queues, including the other deps that will
break the driver such as:

	b7efebfeb2e8 ("arm64: dts: qcom: msm8998: switch USB QMP PHY to new style of bindings")

Sasha, you can't around picking intrusive patches like this on your own.

The Stable-dep-of did not have a stable tag and should never have been a
candidate for backporting in the first place.

Having to point this out to you twice in two days is quite frustrating
and I'm worried about what breaks next time when I happen to look away.

Johan

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values
  2024-03-24 23:31 ` [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values Sasha Levin
@ 2024-03-25  8:43   ` Geert Uytterhoeven
  2024-03-26 19:18     ` Sasha Levin
  2024-04-02  8:57   ` Geert Uytterhoeven
  1 sibling, 1 reply; 334+ messages in thread
From: Geert Uytterhoeven @ 2024-03-25  8:43 UTC (permalink / raw)
  To: Sasha Levin; +Cc: linux-kernel, stable, Wolfram Sang, Linux-Renesas

Hi Sasha,

On Mon, Mar 25, 2024 at 12:36 AM Sasha Levin <sashal@kernel.org> wrote:
> From: Geert Uytterhoeven <geert+renesas@glider.be>
>
> [ Upstream commit a1721bbbdb5c6687d157f8b8714bba837f6028ac ]
>
> Despite the name, R-Car V3U is the first member of the R-Car Gen4
> family.  Hence update the compatible properties in various device nodes
> to include family-specific compatible values for R-Car Gen4 instead of
> R-Car Gen3:
>   - DMAC,
>   - (H)SCIF,
>   - I2C,
>   - IPMMU,
>   - WDT.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> Link: https://lore.kernel.org/r/73cea9d5e1a6639422c67e4df4285042e31c9fd5.1651497071.git.geert+renesas@glider.be
> Stable-dep-of: 0c51912331f8 ("arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes")
> Signed-off-by: Sasha Levin <sashal@kernel.org>
> ---
>  arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 24 +++++++++++------------
>  1 file changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> index 26899fb768a73..c7d1b79692c11 100644
> --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> @@ -583,7 +583,7 @@ hscif3: serial@e66a0000 {
>
>                 avb0: ethernet@e6800000 {
>                         compatible = "renesas,etheravb-r8a779a0",
> -                                    "renesas,etheravb-rcar-gen3";
> +                                    "renesas,etheravb-rcar-gen4";

This change will break Ethernet, as the Renesas EtherAVB driver in
v5.15.x does not handle "renesas,etheravb-rcar-gen4" yet.

That can be fixed by also backporting commit 949f252a8594a860
("net: ravb: Add R-Car Gen4 support") in v6.1.

>                         reg = <0 0xe6800000 0 0x800>;
>                         interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
>                                      <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>,

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 000/317] 5.15.153-rc1 review
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (317 preceding siblings ...)
  2024-03-25  5:52 ` [PATCH 5.15 000/317] 5.15.153-rc1 review Harshit Mogalapalli
@ 2024-03-25  9:10 ` Naresh Kamboju
  2024-03-25  9:28 ` Naresh Kamboju
  319 siblings, 0 replies; 334+ messages in thread
From: Naresh Kamboju @ 2024-03-25  9:10 UTC (permalink / raw)
  To: Sasha Levin
  Cc: linux-kernel, stable, torvalds, akpm, linux, shuah, patches,
	lkft-triage, florian.fainelli, pavel, Anastasia Belova,
	Viresh Kumar

On Mon, 25 Mar 2024 at 05:05, Sasha Levin <sashal@kernel.org> wrote:
>
>
> This is the start of the stable review cycle for the 5.15.153 release.
> There are 317 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Tue Mar 26 11:34:43 PM UTC 2024.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/patch/?id=linux-5.15.y&id2=v5.15.152
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> and the diffstat can be found below.
>
> Thanks,
> Sasha

The regression detected while building allmodconfig builds with
gcc-12 and clang-17 failed on all the architectures.

> Anastasia Belova (1):
>   cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return
>     value

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Build error:
------------
drivers/cpufreq/brcmstb-avs-cpufreq.c: In function 'brcm_avs_cpufreq_get':
drivers/cpufreq/brcmstb-avs-cpufreq.c:486:9: error: ISO C90 forbids
mixed declarations and code [-Werror=declaration-after-statement]
  486 |         struct private_data *priv = policy->driver_data;
      |         ^~~~~~
cc1: all warnings being treated as errors


Steps to reproduce:
 # tuxmake --runtime podman --target-arch arm64 --toolchain gcc-12
--kconfig allmodconfig

Links:
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.152-317-g6f6f22f11928/testrun/23155933/suite/build/test/gcc-12-allmodconfig/log
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.152-317-g6f6f22f11928/testrun/23155933/suite/build/test/gcc-12-allmodconfig/details/
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.152-317-g6f6f22f11928/testrun/23155933/suite/build/test/gcc-12-allmodconfig/history/
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2eAPAG6nyiRjJbnJJ0JGiVy4otR/

--
Linaro LKFT
https://lkft.linaro.org

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 000/317] 5.15.153-rc1 review
  2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
                   ` (318 preceding siblings ...)
  2024-03-25  9:10 ` Naresh Kamboju
@ 2024-03-25  9:28 ` Naresh Kamboju
  319 siblings, 0 replies; 334+ messages in thread
From: Naresh Kamboju @ 2024-03-25  9:28 UTC (permalink / raw)
  To: Sasha Levin
  Cc: linux-kernel, stable, torvalds, akpm, linux, shuah, patches,
	lkft-triage, florian.fainelli, pavel, Thomas Zimmermann,
	Jani Nikula, Michael Ellerman

On Mon, 25 Mar 2024 at 05:05, Sasha Levin <sashal@kernel.org> wrote:
>
>
> This is the start of the stable review cycle for the 5.15.153 release.
> There are 317 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Tue Mar 26 11:34:43 PM UTC 2024.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/patch/?id=linux-5.15.y&id2=v5.15.152
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> and the diffstat can be found below.
>
> Thanks,
> Sasha

As I have already reported on 5.10 regarding powerpc ppc6xx_defconfig
build regressions noticed on 5.15.

> Thomas Zimmermann (1):
>   arch/powerpc: Remove <linux/fb.h> from backlight code

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Build error:
------------
drivers/macintosh/via-pmu-backlight.c:22:20: error:
'FB_BACKLIGHT_LEVELS' undeclared here (not in a function)
   22 | static u8 bl_curve[FB_BACKLIGHT_LEVELS];
      |                    ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/kernel.h:16,
                 from arch/powerpc/include/asm/page.h:11,
                 from arch/powerpc/include/asm/thread_info.h:13,
                 from include/linux/thread_info.h:60,
                 from arch/powerpc/include/asm/ptrace.h:323,
                 from drivers/macintosh/via-pmu-backlight.c:11:
drivers/macintosh/via-pmu-backlight.c: In function 'pmu_backlight_curve_lookup':
include/linux/minmax.h:36:9: error: first argument to
'__builtin_choose_expr' not a constant
   36 |         __builtin_choose_expr(__safe_cmp(x, y), \
      |         ^~~~~~~~~~~~~~~~~~~~~


Steps to reproduce:
# tuxmake --runtime podman --target-arch powerpc --toolchain gcc-12
--kconfig ppc6xx_defconfig


Links:
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.152-317-g6f6f22f11928/testrun/23147157/suite/build/test/gcc-12-ppc6xx_defconfig/log
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2e9uOwIbkt3JA6me39nPospWfFL/
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.152-317-g6f6f22f11928/testrun/23147157/suite/build/test/gcc-12-ppc6xx_defconfig/details/

--
Linaro LKFT
https://lkft.linaro.org

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 032/317] f2fs: implement iomap operations
  2024-03-25  3:37   ` Eric Biggers
  2024-03-25  3:40     ` Eric Biggers
@ 2024-03-25 11:09     ` Sasha Levin
  1 sibling, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-25 11:09 UTC (permalink / raw)
  To: Eric Biggers; +Cc: linux-kernel, stable, Jaegeuk Kim

On Sun, Mar 24, 2024 at 08:37:17PM -0700, Eric Biggers wrote:
>On Sun, Mar 24, 2024 at 07:30:12PM -0400, Sasha Levin wrote:
>> From: Eric Biggers <ebiggers@google.com>
>>
>> [ Upstream commit 1517c1a7a4456f080fabc4ac9853930e4b880d14 ]
>>
>> Implement 'struct iomap_ops' for f2fs, in preparation for making f2fs
>> use iomap for direct I/O.
>>
>> Note that this may be used for other things besides direct I/O in the
>> future; however, for now I've only tested it for direct I/O.
>>
>> Signed-off-by: Eric Biggers <ebiggers@google.com>
>> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
>> Stable-dep-of: ec16b147a55b ("fs: Fix rw_hint validation")
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>
>Nacked-by: Eric Biggers <ebiggers@google.com>
>
>No reason to backport this, and the f2fs mailing list wasn't even Cc'ed...

You're right, it should have been dropped when the dependency it was
needed for got dropped, I'll do it now.

-- 
Thanks,
Sasha

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 005/317] btrfs: add and use helper to check if block group is used
  2024-03-24 23:29 ` [PATCH 5.15 005/317] btrfs: add and use helper to check if block group is used Sasha Levin
@ 2024-03-25 18:25   ` David Sterba
  2024-03-26 19:23     ` Sasha Levin
  0 siblings, 1 reply; 334+ messages in thread
From: David Sterba @ 2024-03-25 18:25 UTC (permalink / raw)
  To: Sasha Levin
  Cc: linux-kernel, stable, Filipe Manana, Johannes Thumshirn,
	Josef Bacik, Boris Burkov, David Sterba

On Sun, Mar 24, 2024 at 07:29:45PM -0400, Sasha Levin wrote:
> From: Filipe Manana <fdmanana@suse.com>
> 
> [ Upstream commit 1693d5442c458ae8d5b0d58463b873cd879569ed ]
> 
> Add a helper function to determine if a block group is being used and make
> use of it at btrfs_delete_unused_bgs(). This helper will also be used in
> future code changes.
> 
> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> Reviewed-by: Josef Bacik <josef@toxicpanda.com>
> Reviewed-by: Boris Burkov <boris@bur.io>
> Signed-off-by: Filipe Manana <fdmanana@suse.com>
> Reviewed-by: David Sterba <dsterba@suse.com>
> Signed-off-by: David Sterba <dsterba@suse.com>
> Signed-off-by: Sasha Levin <sashal@kernel.org>

Please drop this patch from all stable branches unless it's a
prerequisite for some other patch. This is clearly a cleanup.

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values
  2024-03-25  8:43   ` Geert Uytterhoeven
@ 2024-03-26 19:18     ` Sasha Levin
  2024-03-27  9:41       ` Geert Uytterhoeven
  0 siblings, 1 reply; 334+ messages in thread
From: Sasha Levin @ 2024-03-26 19:18 UTC (permalink / raw)
  To: Geert Uytterhoeven; +Cc: linux-kernel, stable, Wolfram Sang, Linux-Renesas

On Mon, Mar 25, 2024 at 09:43:31AM +0100, Geert Uytterhoeven wrote:
>Hi Sasha,
>
>On Mon, Mar 25, 2024 at 12:36 AM Sasha Levin <sashal@kernel.org> wrote:
>> From: Geert Uytterhoeven <geert+renesas@glider.be>
>>
>> [ Upstream commit a1721bbbdb5c6687d157f8b8714bba837f6028ac ]
>>
>> Despite the name, R-Car V3U is the first member of the R-Car Gen4
>> family.  Hence update the compatible properties in various device nodes
>> to include family-specific compatible values for R-Car Gen4 instead of
>> R-Car Gen3:
>>   - DMAC,
>>   - (H)SCIF,
>>   - I2C,
>>   - IPMMU,
>>   - WDT.
>>
>> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
>> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
>> Link: https://lore.kernel.org/r/73cea9d5e1a6639422c67e4df4285042e31c9fd5.1651497071.git.geert+renesas@glider.be
>> Stable-dep-of: 0c51912331f8 ("arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes")
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>> ---
>>  arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 24 +++++++++++------------
>>  1 file changed, 12 insertions(+), 12 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
>> index 26899fb768a73..c7d1b79692c11 100644
>> --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
>> +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
>> @@ -583,7 +583,7 @@ hscif3: serial@e66a0000 {
>>
>>                 avb0: ethernet@e6800000 {
>>                         compatible = "renesas,etheravb-r8a779a0",
>> -                                    "renesas,etheravb-rcar-gen3";
>> +                                    "renesas,etheravb-rcar-gen4";
>
>This change will break Ethernet, as the Renesas EtherAVB driver in
>v5.15.x does not handle "renesas,etheravb-rcar-gen4" yet.
>
>That can be fixed by also backporting commit 949f252a8594a860
>("net: ravb: Add R-Car Gen4 support") in v6.1.

I'll just drop this patch instead, thanks!

-- 
Thanks,
Sasha

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 005/317] btrfs: add and use helper to check if block group is used
  2024-03-25 18:25   ` David Sterba
@ 2024-03-26 19:23     ` Sasha Levin
  0 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-03-26 19:23 UTC (permalink / raw)
  To: David Sterba
  Cc: linux-kernel, stable, Filipe Manana, Johannes Thumshirn,
	Josef Bacik, Boris Burkov, David Sterba

On Mon, Mar 25, 2024 at 07:25:56PM +0100, David Sterba wrote:
>On Sun, Mar 24, 2024 at 07:29:45PM -0400, Sasha Levin wrote:
>> From: Filipe Manana <fdmanana@suse.com>
>>
>> [ Upstream commit 1693d5442c458ae8d5b0d58463b873cd879569ed ]
>>
>> Add a helper function to determine if a block group is being used and make
>> use of it at btrfs_delete_unused_bgs(). This helper will also be used in
>> future code changes.
>>
>> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
>> Reviewed-by: Josef Bacik <josef@toxicpanda.com>
>> Reviewed-by: Boris Burkov <boris@bur.io>
>> Signed-off-by: Filipe Manana <fdmanana@suse.com>
>> Reviewed-by: David Sterba <dsterba@suse.com>
>> Signed-off-by: David Sterba <dsterba@suse.com>
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>
>Please drop this patch from all stable branches unless it's a
>prerequisite for some other patch. This is clearly a cleanup.

Ack, thanks!

-- 
Thanks,
Sasha

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values
  2024-03-26 19:18     ` Sasha Levin
@ 2024-03-27  9:41       ` Geert Uytterhoeven
  2024-03-27 13:39         ` Greg KH
  0 siblings, 1 reply; 334+ messages in thread
From: Geert Uytterhoeven @ 2024-03-27  9:41 UTC (permalink / raw)
  To: Sasha Levin; +Cc: linux-kernel, stable, Wolfram Sang, Linux-Renesas

Hi Sasha,

On Tue, Mar 26, 2024 at 8:18 PM Sasha Levin <sashal@kernel.org> wrote:
> On Mon, Mar 25, 2024 at 09:43:31AM +0100, Geert Uytterhoeven wrote:
> >On Mon, Mar 25, 2024 at 12:36 AM Sasha Levin <sashal@kernel.org> wrote:
> >> From: Geert Uytterhoeven <geert+renesas@glider.be>
> >>
> >> [ Upstream commit a1721bbbdb5c6687d157f8b8714bba837f6028ac ]
> >>
> >> Despite the name, R-Car V3U is the first member of the R-Car Gen4
> >> family.  Hence update the compatible properties in various device nodes
> >> to include family-specific compatible values for R-Car Gen4 instead of
> >> R-Car Gen3:
> >>   - DMAC,
> >>   - (H)SCIF,
> >>   - I2C,
> >>   - IPMMU,
> >>   - WDT.
> >>
> >> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> >> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> >> Link: https://lore.kernel.org/r/73cea9d5e1a6639422c67e4df4285042e31c9fd5.1651497071.git.geert+renesas@glider.be
> >> Stable-dep-of: 0c51912331f8 ("arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes")
> >> Signed-off-by: Sasha Levin <sashal@kernel.org>
> >> ---
> >>  arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 24 +++++++++++------------
> >>  1 file changed, 12 insertions(+), 12 deletions(-)
> >>
> >> diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> >> index 26899fb768a73..c7d1b79692c11 100644
> >> --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> >> +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> >> @@ -583,7 +583,7 @@ hscif3: serial@e66a0000 {
> >>
> >>                 avb0: ethernet@e6800000 {
> >>                         compatible = "renesas,etheravb-r8a779a0",
> >> -                                    "renesas,etheravb-rcar-gen3";
> >> +                                    "renesas,etheravb-rcar-gen4";
> >
> >This change will break Ethernet, as the Renesas EtherAVB driver in
> >v5.15.x does not handle "renesas,etheravb-rcar-gen4" yet.
> >
> >That can be fixed by also backporting commit 949f252a8594a860
> >("net: ravb: Add R-Car Gen4 support") in v6.1.
>
> I'll just drop this patch instead, thanks!

Looks like it still made v5.15.153?
The easiest fix is to backport 949f252a8594a860, too.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values
  2024-03-27  9:41       ` Geert Uytterhoeven
@ 2024-03-27 13:39         ` Greg KH
  0 siblings, 0 replies; 334+ messages in thread
From: Greg KH @ 2024-03-27 13:39 UTC (permalink / raw)
  To: Geert Uytterhoeven
  Cc: Sasha Levin, linux-kernel, stable, Wolfram Sang, Linux-Renesas

On Wed, Mar 27, 2024 at 10:41:22AM +0100, Geert Uytterhoeven wrote:
> Hi Sasha,
> 
> On Tue, Mar 26, 2024 at 8:18 PM Sasha Levin <sashal@kernel.org> wrote:
> > On Mon, Mar 25, 2024 at 09:43:31AM +0100, Geert Uytterhoeven wrote:
> > >On Mon, Mar 25, 2024 at 12:36 AM Sasha Levin <sashal@kernel.org> wrote:
> > >> From: Geert Uytterhoeven <geert+renesas@glider.be>
> > >>
> > >> [ Upstream commit a1721bbbdb5c6687d157f8b8714bba837f6028ac ]
> > >>
> > >> Despite the name, R-Car V3U is the first member of the R-Car Gen4
> > >> family.  Hence update the compatible properties in various device nodes
> > >> to include family-specific compatible values for R-Car Gen4 instead of
> > >> R-Car Gen3:
> > >>   - DMAC,
> > >>   - (H)SCIF,
> > >>   - I2C,
> > >>   - IPMMU,
> > >>   - WDT.
> > >>
> > >> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> > >> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> > >> Link: https://lore.kernel.org/r/73cea9d5e1a6639422c67e4df4285042e31c9fd5.1651497071.git.geert+renesas@glider.be
> > >> Stable-dep-of: 0c51912331f8 ("arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes")
> > >> Signed-off-by: Sasha Levin <sashal@kernel.org>
> > >> ---
> > >>  arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 24 +++++++++++------------
> > >>  1 file changed, 12 insertions(+), 12 deletions(-)
> > >>
> > >> diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> > >> index 26899fb768a73..c7d1b79692c11 100644
> > >> --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> > >> +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> > >> @@ -583,7 +583,7 @@ hscif3: serial@e66a0000 {
> > >>
> > >>                 avb0: ethernet@e6800000 {
> > >>                         compatible = "renesas,etheravb-r8a779a0",
> > >> -                                    "renesas,etheravb-rcar-gen3";
> > >> +                                    "renesas,etheravb-rcar-gen4";
> > >
> > >This change will break Ethernet, as the Renesas EtherAVB driver in
> > >v5.15.x does not handle "renesas,etheravb-rcar-gen4" yet.
> > >
> > >That can be fixed by also backporting commit 949f252a8594a860
> > >("net: ravb: Add R-Car Gen4 support") in v6.1.
> >
> > I'll just drop this patch instead, thanks!
> 
> Looks like it still made v5.15.153?
> The easiest fix is to backport 949f252a8594a860, too.

Now applied, thanks.

greg k-h

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values
  2024-03-24 23:31 ` [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values Sasha Levin
  2024-03-25  8:43   ` Geert Uytterhoeven
@ 2024-04-02  8:57   ` Geert Uytterhoeven
  2024-04-02 23:11     ` Sasha Levin
  1 sibling, 1 reply; 334+ messages in thread
From: Geert Uytterhoeven @ 2024-04-02  8:57 UTC (permalink / raw)
  To: Sasha Levin; +Cc: linux-kernel, stable, Wolfram Sang

Hi Sasha,

Looks like I missed some things in my previous review...

On Mon, Mar 25, 2024 at 12:36 AM Sasha Levin <sashal@kernel.org> wrote:
> From: Geert Uytterhoeven <geert+renesas@glider.be>
>
> [ Upstream commit a1721bbbdb5c6687d157f8b8714bba837f6028ac ]

This is not the corresponding upstream commit for this commit
(a022251c2f950cd2 in v5.15.153).
It should be a1ca409cc050166a9e8ed183c1d4192f511cf6a2.
How could that happen? Interestingly, the backport in v6.1.83
(efab55e16c55c637) does have the correct upstream commit.

> Despite the name, R-Car V3U is the first member of the R-Car Gen4
> family.  Hence update the compatible properties in various device nodes
> to include family-specific compatible values for R-Car Gen4 instead of
> R-Car Gen3:
>   - DMAC,
>   - (H)SCIF,
>   - I2C,
>   - IPMMU,
>   - WDT.

Likewise, the description should be:

    Despite the name, R-Car V3U is the first member of the R-Car Gen4
    family.  Hence update the compatible properties in various device nodes
    to include family-specific compatible values for R-Car Gen4 instead of
    R-Car Gen3:
      - EtherAVB,
      - MSIOF.

> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Likewise, bogus tag never given...

> Link: https://lore.kernel.org/r/73cea9d5e1a6639422c67e4df4285042e31c9fd5.1651497071.git.geert+renesas@glider.be

and a wrong link.

> Stable-dep-of: 0c51912331f8 ("arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes")
> Signed-off-by: Sasha Levin <sashal@kernel.org>

> --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi

> @@ -935,7 +935,7 @@ scif4: serial@e6c40000 {
>
>                 msiof0: spi@e6e90000 {
>                         compatible = "renesas,msiof-r8a779a0",
> -                                    "renesas,rcar-gen3-msiof";
> +                                    "renesas,rcar-gen4-msiof";

The Renesas MSIOF driver in v5.15.153 does not handle
"renesas,rcar-gen4-msiof" yet.  Please backport commit ea9d001550abaf2f
("spi: sh-msiof: add generic Gen4 binding") in v6.1 to fix that.

>                         reg = <0 0xe6e90000 0 0x0064>;
>                         interrupts = <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
>                         clocks = <&cpg CPG_MOD 618>;

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

^ permalink raw reply	[flat|nested] 334+ messages in thread

* Re: [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values
  2024-04-02  8:57   ` Geert Uytterhoeven
@ 2024-04-02 23:11     ` Sasha Levin
  0 siblings, 0 replies; 334+ messages in thread
From: Sasha Levin @ 2024-04-02 23:11 UTC (permalink / raw)
  To: Geert Uytterhoeven; +Cc: linux-kernel, stable, Wolfram Sang

On Tue, Apr 02, 2024 at 10:57:41AM +0200, Geert Uytterhoeven wrote:
>Hi Sasha,
>
>Looks like I missed some things in my previous review...
>
>On Mon, Mar 25, 2024 at 12:36 AM Sasha Levin <sashal@kernel.org> wrote:
>> From: Geert Uytterhoeven <geert+renesas@glider.be>
>>
>> [ Upstream commit a1721bbbdb5c6687d157f8b8714bba837f6028ac ]
>
>This is not the corresponding upstream commit for this commit
>(a022251c2f950cd2 in v5.15.153).
>It should be a1ca409cc050166a9e8ed183c1d4192f511cf6a2.
>How could that happen? Interestingly, the backport in v6.1.83
>(efab55e16c55c637) does have the correct upstream commit.

I suspect that this is me fat-fingering it in an attempt to pull it back
to 5.15 when we had a conversation about it on the mailing list.

[...]

>The Renesas MSIOF driver in v5.15.153 does not handle
>"renesas,rcar-gen4-msiof" yet.  Please backport commit ea9d001550abaf2f
>("spi: sh-msiof: add generic Gen4 binding") in v6.1 to fix that.

I'll grab it, thanks!

-- 
Thanks,
Sasha

^ permalink raw reply	[flat|nested] 334+ messages in thread

end of thread, other threads:[~2024-04-02 23:11 UTC | newest]

Thread overview: 334+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-03-24 23:29 [PATCH 5.15 000/317] 5.15.153-rc1 review Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 001/317] io_uring/unix: drop usage of io_uring socket Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 002/317] io_uring: drop any code related to SCM_RIGHTS Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 003/317] rcu-tasks: Provide rcu_trace_implies_rcu_gp() Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 004/317] bpf: Defer the free of inner map when necessary Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 005/317] btrfs: add and use helper to check if block group is used Sasha Levin
2024-03-25 18:25   ` David Sterba
2024-03-26 19:23     ` Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 006/317] selftests: tls: use exact comparison in recv_partial Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 007/317] ASoC: rt5645: Make LattePanda board DMI match more precise Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 008/317] x86/xen: Add some null pointer checking to smp.c Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 009/317] MIPS: Clear Cause.BD in instruction_pointer_set Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 010/317] HID: multitouch: Add required quirk for Synaptics 0xcddc device Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 011/317] gen_compile_commands: fix invalid escape sequence warning Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 012/317] RDMA/mlx5: Fix fortify source warning while accessing Eth segment Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 013/317] RDMA/mlx5: Relax DEVX access upon modify commands Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 014/317] riscv: dts: sifive: add missing #interrupt-cells to pmic Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 015/317] x86/mm: Move is_vsyscall_vaddr() into asm/vsyscall.h Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 016/317] x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 017/317] net/iucv: fix the allocation size of iucv_path_table array Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 018/317] parisc/ftrace: add missing CONFIG_DYNAMIC_FTRACE check Sasha Levin
2024-03-24 23:29 ` [PATCH 5.15 019/317] block: sed-opal: handle empty atoms when parsing response Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 020/317] dm-verity, dm-crypt: align "struct bvec_iter" correctly Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 021/317] scsi: mpt3sas: Prevent sending diag_reset when the controller is ready Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 022/317] ALSA: hda/realtek - ALC285 reduce pop noise from Headphone port Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 023/317] drm/amdgpu: Enable gpu reset for S3 abort cases on Raven series Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 024/317] Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 025/317] firewire: core: use long bus reset on gap count error Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 026/317] ASoC: Intel: bytcr_rt5640: Add an extra entry for the Chuwi Vi8 tablet Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 027/317] Input: gpio_keys_polled - suppress deferred probe error for gpio Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 028/317] ASoC: wm8962: Enable oscillator if selecting WM8962_FLL_OSC Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 029/317] ASoC: wm8962: Enable both SPKOUTR_ENA and SPKOUTL_ENA in mono mode Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 030/317] ASoC: wm8962: Fix up incorrect error message in wm8962_set_fll Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 031/317] do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 032/317] f2fs: implement iomap operations Sasha Levin
2024-03-25  3:37   ` Eric Biggers
2024-03-25  3:40     ` Eric Biggers
2024-03-25 11:09     ` Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 033/317] s390/dasd: put block allocation in separate function Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 034/317] s390/dasd: add query PPRC function Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 035/317] s390/dasd: add copy pair setup Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 036/317] s390/dasd: add autoquiesce feature Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 037/317] s390/dasd: Use dev_*() for device log messages Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 038/317] s390/dasd: fix double module refcount decrement Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 039/317] nbd: null check for nla_nest_start Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 040/317] fs/select: rework stack allocation hack for clang Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 041/317] md: Don't clear MD_CLOSING when the raid is about to stop Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 042/317] lib/cmdline: Fix an invalid format specifier in an assertion msg Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 043/317] time: test: Fix incorrect format specifier Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 044/317] rtc: test: Fix invalid " Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 045/317] aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 046/317] timekeeping: Fix cross-timestamp interpolation on counter wrap Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 047/317] timekeeping: Fix cross-timestamp interpolation corner case decision Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 048/317] timekeeping: Fix cross-timestamp interpolation for non-x86 Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 049/317] sched/fair: Take the scheduling domain into account in select_idle_core() Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 050/317] wifi: ath10k: fix NULL pointer dereference in ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev() Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 051/317] wifi: b43: Stop/wake correct queue in DMA Tx path when QoS is disabled Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 052/317] wifi: b43: Stop/wake correct queue in PIO " Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 053/317] wifi: b43: Stop correct queue in DMA worker " Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 054/317] wifi: b43: Disable QoS for bcm4331 Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 055/317] wifi: wilc1000: fix declarations ordering Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 056/317] wifi: wilc1000: fix RCU usage in connect path Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 057/317] wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 058/317] wifi: wilc1000: fix multi-vif management when deleting a vif Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 059/317] wifi: mwifiex: debugfs: Drop unnecessary error check for debugfs_create_dir() Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 060/317] ARM: dts: renesas: r8a73a4: Fix external clocks and clock rate Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 061/317] cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 062/317] cpufreq: Explicitly include correct DT includes Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 063/317] cpufreq: mediatek-hw: Wait for CPU supplies before probing Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 064/317] sock_diag: annotate data-races around sock_diag_handlers[family] Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 065/317] inet_diag: annotate data-races around inet_diag_table[] Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 066/317] bpftool: Silence build warning about calloc() Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 067/317] libbpf: Apply map_set_def_max_entries() for inner_maps on creation Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 068/317] selftest/bpf: Add map_in_maps with BPF_MAP_TYPE_PERF_EVENT_ARRAY values Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 069/317] af_unix: Annotate data-race of gc_in_progress in wait_for_unix_gc() Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 070/317] cpufreq: mediatek-hw: Don't error out if supply is not found Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 071/317] arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on SL/BL i.MX8MM Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 072/317] arm64: dts: imx8mm-kontron: Disable pullups for onboard UART signals on BL board Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 073/317] arm64: dts: imx8mm-kontron: Add support for ultra high speed modes on SD card Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 074/317] arm64: dts: imx8mm-kontron: Use the VSELECT signal to switch SD card IO voltage Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 075/317] arm64: dts: imx8mm-kontron: Disable pull resistors for SD card signals on BL board Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 076/317] wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 077/317] wifi: iwlwifi: mvm: report beacon protection failures Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 078/317] wifi: iwlwifi: dbg-tlv: ensure NUL termination Sasha Levin
2024-03-24 23:30 ` [PATCH 5.15 079/317] wifi: iwlwifi: fix EWRD table validity check Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 080/317] arm64: dts: imx8mm-venice-gw71xx: fix USB OTG VBUS Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 081/317] pwm: atmel-hlcdc: Convert to platform remove callback returning void Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 082/317] pwm: atmel-hlcdc: Use consistent variable naming Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 083/317] pwm: atmel-hlcdc: Fix clock imbalance related to suspend support Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 084/317] net: blackhole_dev: fix build warning for ethh set but not used Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 085/317] wifi: libertas: fix some memleaks in lbs_allocate_cmd_buffer() Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 086/317] arm64: dts: qcom: msm8996: Move '#clock-cells' to QMP PHY child node Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 087/317] arm64: dts: qcom: msm8998: drop USB PHY clock index Sasha Levin
2024-03-25  7:42   ` Johan Hovold
2024-03-24 23:31 ` [PATCH 5.15 088/317] arm64: dts: qcom: msm8998: switch USB QMP PHY to new style of bindings Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 089/317] arm64: dts: qcom: msm8998: declare VLS CLAMP register for USB3 PHY Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 090/317] printk: Add panic_in_progress helper Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 091/317] printk: Disable passing console lock owner completely during panic() Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 092/317] pwm: sti: Implement .apply() callback Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 093/317] pwm: sti: Fix capture for st,pwm-num-chan < st,capture-num-chan Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 094/317] wifi: iwlwifi: mvm: don't set replay counters to 0xff Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 095/317] s390/vdso: drop '-fPIC' from LDFLAGS Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 096/317] ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down() Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 097/317] arm64: dts: mt8183: kukui: Add Type C node Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 098/317] arm64: dts: mt8183: kukui: Split out keyboard node and describe detachables Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 099/317] arm64: dts: mt8183: Move CrosEC base detection node to kukui-based DTs Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 100/317] arm64: dts: mediatek: mt7622: add missing "device_type" to memory nodes Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 101/317] bpf: Mark bpf_spin_{lock,unlock}() helpers with notrace correctly Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 102/317] wireless: Remove redundant 'flush_workqueue()' calls Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 103/317] wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 104/317] ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit() Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 105/317] bus: tegra-aconnect: Update dependency to ARCH_TEGRA Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 106/317] iommu/amd: Mark interrupt as managed Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 107/317] wifi: brcmsmac: avoid function pointer casts Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 108/317] net: ena: Remove ena_select_queue Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 109/317] ARM: dts: arm: realview: Fix development chip ROM compatible value Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to R-Car Gen4 compatible values Sasha Levin
2024-03-25  8:43   ` Geert Uytterhoeven
2024-03-26 19:18     ` Sasha Levin
2024-03-27  9:41       ` Geert Uytterhoeven
2024-03-27 13:39         ` Greg KH
2024-04-02  8:57   ` Geert Uytterhoeven
2024-04-02 23:11     ` Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 111/317] arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 112/317] ARM: dts: imx6dl-yapp4: Move phy reset into switch node Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 113/317] ARM: dts: imx6dl-yapp4: Fix typo in the QCA switch register address Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 114/317] ARM: dts: imx6dl-yapp4: Move the internal switch PHYs under the switch node Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 115/317] arm64: dts: marvell: reorder crypto interrupts on Armada SoCs Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 116/317] ACPI: resource: Add Infinity laptops to irq1_edge_low_force_override Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 117/317] ACPI: resource: Do IRQ override on Lunnen Ground laptops Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 118/317] ACPI: resource: Add MAIBENBEN X577 to irq1_edge_low_force_override Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 119/317] ACPI: scan: Fix device check notification handling Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 120/317] x86, relocs: Ignore relocations in .notes section Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 121/317] SUNRPC: fix some memleaks in gssx_dec_option_array Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 122/317] mmc: wmt-sdmmc: remove an incorrect release_mem_region() call in the .remove function Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 123/317] wifi: rtw88: 8821c: Fix false alarm count Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 124/317] PCI: Make pci_dev_is_disconnected() helper public for other drivers Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 125/317] iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 126/317] igb: move PEROUT and EXTTS isr logic to separate functions Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 127/317] igb: Fix missing time sync events Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 128/317] Bluetooth: Remove superfluous call to hci_conn_check_pending() Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 129/317] Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855 Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 130/317] Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with gpiod_get_optional() Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 131/317] Bluetooth: hci_core: Fix possible buffer overflow Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 132/317] sr9800: Add check for usbnet_get_endpoints Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 133/317] bpf: Fix DEVMAP_HASH overflow check on 32-bit arches Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 134/317] bpf: Fix hashtab " Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 135/317] bpf: Fix stackmap " Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 136/317] ipv6: fib6_rules: flush route cache when rule is changed Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 137/317] net: ip_tunnel: make sure to pull inner header in ip_tunnel_rcv() Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 138/317] net: phy: fix phy_get_internal_delay accessing an empty array Sasha Levin
2024-03-24 23:31 ` [PATCH 5.15 139/317] net: hns3: fix kernel crash when 1588 is received on HIP08 devices Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 140/317] net: hns3: fix port duplex configure error in IMP reset Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 141/317] net: phy: DP83822: enable rgmii mode if phy_interface_is_rgmii Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 142/317] net: phy: dp83822: Fix RGMII TX delay configuration Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 143/317] OPP: debugfs: Fix warning around icc_get_name() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 144/317] tcp: fix incorrect parameter validation in the do_tcp_getsockopt() function Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 145/317] net: Change sock_getsockopt() to take the sk ptr instead of the sock ptr Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 146/317] bpf: net: Change sk_getsockopt() to take the sockptr_t argument Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 147/317] bpf: net: Change do_ip_getsockopt() " Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 148/317] ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt() function Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 149/317] l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt() function Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 150/317] udp: fix incorrect parameter validation in the udp_lib_getsockopt() function Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 151/317] net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 152/317] net/x25: fix incorrect parameter validation in the x25_getsockopt() function Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 153/317] nfp: flower: handle acti_netdevs allocation failure Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 154/317] dm raid: fix false positive for requeue needed during reshape Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 155/317] dm: call the resume method on internal suspend Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 156/317] drm/tegra: dsi: Add missing check for of_find_device_by_node Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 157/317] drm/tegra: dpaux: Populate AUX bus Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 158/317] drm/tegra: dpaux: Fix PM disable depth imbalance in tegra_dpaux_probe Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 159/317] drm/tegra: dsi: Make use of the helper function dev_err_probe() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 160/317] drm/tegra: dsi: Fix some error handling paths in tegra_dsi_probe() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 161/317] drm/tegra: dsi: Fix missing pm_runtime_disable() in the error handling path of tegra_dsi_probe() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 162/317] drm/tegra: dc: rgb: Allow changing PLLD rate on Tegra30+ Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 163/317] drm/tegra: rgb: Fix some error handling paths in tegra_dc_rgb_probe() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 164/317] drm/tegra: rgb: Fix missing clk_put() in the error handling paths of tegra_dc_rgb_probe() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 165/317] drm/tegra: output: Fix missing i2c_put_adapter() in the error handling paths of tegra_output_probe() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 166/317] drm/rockchip: inno_hdmi: Fix video timing Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 167/317] drm: Don't treat 0 as -1 in drm_fixp2int_ceil Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 168/317] drm/ttm: add ttm_resource_fini v2 Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 169/317] drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 170/317] drm/rockchip: lvds: do not overwrite error code Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 171/317] drm/rockchip: lvds: do not print scary message when probing defer Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 172/317] drm/lima: fix a memleak in lima_heap_alloc Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 173/317] dmaengine: tegra210-adma: Update dependency to ARCH_TEGRA Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 174/317] media: tc358743: register v4l2 async device only after successful setup Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 175/317] PCI/DPC: Print all TLP Prefixes, not just the first Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 176/317] perf record: Fix possible incorrect free in record__switch_output() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 177/317] HID: lenovo: Add middleclick_workaround sysfs knob for cptkbd Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 178/317] drm/amd/display: Fix a potential buffer overflow in 'dp_dsc_clock_en_read()' Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 179/317] drm/amd/display: Fix potential NULL pointer dereferences in 'dcn10_set_output_transfer_func()' Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 180/317] perf evsel: Fix duplicate initialization of data->id in evsel__parse_sample() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 181/317] PCI/AER: Fix rootport attribute paths in ABI docs Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 182/317] clk: meson: Add missing clocks to axg_clk_regmaps Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 183/317] media: em28xx: annotate unchecked call to media_device_register() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 184/317] media: v4l2-tpg: fix some memleaks in tpg_alloc Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 185/317] media: v4l2-mem2mem: fix a memleak in v4l2_m2m_register_entity Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 186/317] media: edia: dvbdev: fix a use-after-free Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 187/317] pinctrl: mediatek: Drop bogus slew rate register range for MT8192 Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 188/317] clk: qcom: reset: Commonize the de/assert functions Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 189/317] clk: qcom: reset: Ensure write completion on reset de/assertion Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 190/317] quota: simplify drop_dquot_ref() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 191/317] quota: Fix potential NULL pointer dereference Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 192/317] quota: Fix rcu annotations of inode dquot pointers Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 193/317] PCI/P2PDMA: Fix a sleeping issue in a RCU read section Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 194/317] PCI: switchtec: Fix an error handling path in switchtec_pci_probe() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 195/317] crypto: xilinx - call finalize with bh disabled Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 196/317] perf thread_map: Free strlist on normal path in thread_map__new_by_tid_str() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 197/317] drm/radeon/ni: Fix wrong firmware size logging in ni_init_microcode() Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 198/317] ALSA: seq: fix function cast warnings Sasha Levin
2024-03-24 23:32 ` [PATCH 5.15 199/317] perf stat: Avoid metric-only segv Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 200/317] ASoC: meson: Use dev_err_probe() helper Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 201/317] ASoC: meson: aiu: fix function pointer type mismatch Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 202/317] ASoC: meson: t9015: " Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 203/317] powerpc: Force inlining of arch_vmap_p{u/m}d_supported() Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 204/317] PCI: endpoint: Support NTB transfer between RC and EP Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 205/317] NTB: EPF: fix possible memory leak in pci_vntb_probe() Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 206/317] NTB: fix possible name leak in ntb_register_device() Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 207/317] media: sun8i-di: Fix coefficient writes Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 208/317] media: sun8i-di: Fix power on/off sequences Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 209/317] media: sun8i-di: Fix chroma difference threshold Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 210/317] media: imx: csc/scaler: fix v4l2_ctrl_handler memory leak Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 211/317] media: go7007: add check of return value of go7007_read_addr() Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 212/317] media: pvrusb2: remove redundant NULL check Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 213/317] media: pvrusb2: fix pvr2_stream_callback casts Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 214/317] clk: qcom: dispcc-sdm845: Adjust internal GDSC wait times Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 215/317] drm/mediatek: dsi: Fix DSI RGB666 formats and definitions Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 216/317] PCI: Mark 3ware-9650SE Root Port Extended Tags as broken Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 217/317] clk: hisilicon: hi3519: Release the correct number of gates in hi3519_clk_unregister() Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 218/317] clk: hisilicon: hi3559a: Fix an erroneous devm_kfree() Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 219/317] drm/tegra: put drm_gem_object ref on error in tegra_fb_create Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 220/317] mfd: syscon: Call of_node_put() only when of_parse_phandle() takes a ref Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 221/317] mfd: altera-sysmgr: " Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 222/317] crypto: arm/sha - fix function cast warnings Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 223/317] drm/tidss: Fix initial plane zpos values Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 224/317] mtd: maps: physmap-core: fix flash size larger than 32-bit Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 225/317] mtd: rawnand: lpc32xx_mlc: fix irq handler prototype Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 226/317] ASoC: meson: axg-tdm-interface: fix mclk setup without mclk-fs Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 227/317] ASoC: meson: axg-tdm-interface: add frame rate constraint Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 228/317] HID: amd_sfh: Update HPD sensor structure elements Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 229/317] drm/amdgpu: Fix missing break in ATOM_ARG_IMM Case of atom_get_src_int() Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 230/317] media: pvrusb2: fix uaf in pvr2_context_set_notify Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 231/317] media: dvb-frontends: avoid stack overflow warnings with clang Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 232/317] media: go7007: fix a memleak in go7007_load_encoder Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 233/317] media: ttpci: fix two memleaks in budget_av_attach Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 234/317] media: mediatek: vcodec: avoid -Wcast-function-type-strict warning Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 235/317] drm/mediatek: Fix a null pointer crash in mtk_drm_crtc_finish_page_flip Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 236/317] powerpc/hv-gpci: Fix the H_GET_PERF_COUNTER_INFO hcall return value checks Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 237/317] drm/msm/dpu: add division of drm_display_mode's hskew parameter Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 238/317] module: Add support for default value for module async_probe Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 239/317] modules: wait do_free_init correctly Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 240/317] powerpc/embedded6xx: Fix no previous prototype for avr_uart_send() etc Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 241/317] leds: aw2013: Unlock mutex before destroying it Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 242/317] leds: sgm3140: Add missing timer cleanup and flash gpio control Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 243/317] backlight: lm3630a: Initialize backlight_properties on init Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 244/317] backlight: lm3630a: Don't set bl->props.brightness in get_brightness Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 245/317] backlight: da9052: Fully initialize backlight_properties during probe Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 246/317] backlight: lm3639: " Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 247/317] backlight: lp8788: " Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 248/317] arch/powerpc: Remove <linux/fb.h> from backlight code Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 249/317] sparc32: Fix section mismatch in leon_pci_grpci Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 250/317] clk: Fix clk_core_get NULL dereference Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 251/317] clk: zynq: Prevent null pointer dereference caused by kmalloc failure Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 252/317] ALSA: hda/realtek: fix ALC285 issues on HP Envy x360 laptops Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 253/317] ALSA: usb-audio: Stop parsing channels bits when all channels are found Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 254/317] RDMA/srpt: Do not register event handler until srpt device is fully setup Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 255/317] f2fs: multidevice: support direct IO Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 256/317] f2fs: invalidate META_MAPPING before IPU/DIO write Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 257/317] f2fs: replace congestion_wait() calls with io_schedule_timeout() Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 258/317] f2fs: fix to invalidate META_MAPPING before DIO write Sasha Levin
2024-03-24 23:33 ` [PATCH 5.15 259/317] f2fs: invalidate meta pages only for post_read required inode Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 260/317] f2fs: reduce stack memory cost by using bitfield in struct f2fs_io_info Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 261/317] f2fs: compress: fix to cover normal cluster write with cp_rwsem Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 262/317] f2fs: compress: fix to check unreleased compressed cluster Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 263/317] scsi: csiostor: Avoid function pointer casts Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 264/317] RDMA/device: Fix a race between mad_client and cm_client init Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 265/317] RDMA/rtrs-clt: Check strnlen return len in sysfs mpath_policy_store() Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 266/317] scsi: bfa: Fix function pointer type mismatch for hcb_qe->cbfn Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 267/317] net: sunrpc: Fix an off by one in rpc_sockaddr2uaddr() Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 268/317] NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 269/317] NFSv4.2: fix listxattr maximum XDR buffer size Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 270/317] watchdog: stm32_iwdg: initialize default timeout Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 271/317] NFS: Fix an off by one in root_nfs_cat() Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 272/317] f2fs: compress: fix reserve_cblocks counting error when out of space Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 273/317] afs: Revert "afs: Hide silly-rename files from userspace" Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 274/317] comedi: comedi_test: Prevent timers rescheduling during deletion Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 275/317] remoteproc: stm32: use correct format strings on 64-bit Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 276/317] remoteproc: stm32: Fix incorrect type in assignment for va Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 277/317] remoteproc: stm32: Fix incorrect type assignment returned by stm32_rproc_get_loaded_rsc_tablef Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 278/317] tty: vt: fix 20 vs 0x20 typo in EScsiignore Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 279/317] serial: max310x: fix syntax error in IRQ error message Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 280/317] tty: serial: samsung: fix tx_empty() to return TIOCSER_TEMT Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 281/317] arm64: dts: broadcom: bcmbca: bcm4908: drop invalid switch cells Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 282/317] kconfig: fix infinite loop when expanding a macro at the end of file Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 283/317] rtc: mt6397: select IRQ_DOMAIN instead of depending on it Sasha Levin
2024-03-24 23:34   ` Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 284/317] serial: 8250_exar: Don't remove GPIO device on suspend Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 285/317] staging: greybus: fix get_channel_from_mode() failure path Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 286/317] usb: gadget: net2272: Use irqflags in the call to net2272_probe_fin Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 287/317] io_uring: don't save/restore iowait state Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 288/317] nouveau: reset the bo resource bus info after an eviction Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 289/317] octeontx2-af: Use matching wake_up API variant in CGX command interface Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 290/317] s390/vtime: fix average steal time calculation Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 291/317] soc: fsl: dpio: fix kcalloc() argument order Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 292/317] hsr: Fix uninit-value access in hsr_get_node() Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 293/317] net: mtk_eth_soc: move MAC_MCR setting to mac_finish() Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 294/317] net: mediatek: mtk_eth_soc: clear MAC_MCR_FORCE_LINK only when MAC is up Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 295/317] net: ethernet: mtk_eth_soc: fix PPE hanging issue Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 296/317] packet: annotate data-races around ignore_outgoing Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 297/317] net: veth: do not manipulate GRO when using XDP Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 298/317] net: dsa: mt7530: prevent possible incorrect XTAL frequency selection Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 299/317] vdpa/mlx5: Allow CVQ size changes Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 300/317] wireguard: receive: annotate data-race around receiving_counter.counter Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 301/317] rds: introduce acquire/release ordering in acquire/release_in_xmit() Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 302/317] hsr: Handle failures in module init Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 303/317] net: phy: fix phy_read_poll_timeout argument type in genphy_loopback Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 304/317] net/bnx2x: Prevent access to a freed page in page_pool Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 305/317] octeontx2-af: Use separate handlers for interrupts Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 306/317] netfilter: nft_set_pipapo: release elements in clone only from destroy path Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 307/317] netfilter: nf_tables: do not compare internal table flags on updates Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 308/317] rcu: add a helper to report consolidated flavor QS Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 309/317] net: report RCU QS on threaded NAPI repolling Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 310/317] bpf: report RCU QS in cpumap kthread Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 311/317] net: dsa: mt7530: fix handling of LLDP frames Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 312/317] net: dsa: mt7530: fix handling of 802.1X PAE frames Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 313/317] net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 314/317] net: dsa: mt7530: fix handling of all link-local frames Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 315/317] spi: spi-mt65xx: Fix NULL pointer access in interrupt handler Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 316/317] regmap: Add missing map->bus check Sasha Levin
2024-03-24 23:34 ` [PATCH 5.15 317/317] Linux 5.15.153-rc1 Sasha Levin
2024-03-25  5:52 ` [PATCH 5.15 000/317] 5.15.153-rc1 review Harshit Mogalapalli
2024-03-25  9:10 ` Naresh Kamboju
2024-03-25  9:28 ` Naresh Kamboju

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