* Re: Linux 5.4.143
2021-08-26 13:26 Linux 5.4.143 Sasha Levin
@ 2021-08-26 13:26 ` Sasha Levin
0 siblings, 0 replies; 2+ messages in thread
From: Sasha Levin @ 2021-08-26 13:26 UTC (permalink / raw)
To: linux-kernel, stable, akpm, torvalds; +Cc: lwn, jslaby, gregkh
diff --git a/Makefile b/Makefile
index ef3adc6ccb87..e99fabc4dfc8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 142
+SUBLEVEL = 143
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index a9f191d78b54..d0ea95830d45 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -589,7 +589,7 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
- clock-frequency = <400000>;
+ clock-frequency = <100000>;
tps65218: tps65218@24 {
reg = <0x24>;
diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index f78b4eabd68c..e7178a6db6be 100644
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -755,14 +755,14 @@
status = "disabled";
};
- vica: intc@10140000 {
+ vica: interrupt-controller@10140000 {
compatible = "arm,versatile-vic";
interrupt-controller;
#interrupt-cells = <1>;
reg = <0x10140000 0x20>;
};
- vicb: intc@10140020 {
+ vicb: interrupt-controller@10140020 {
compatible = "arm,versatile-vic";
interrupt-controller;
#interrupt-cells = <1>;
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index a9d1dd82d820..03b3de491b5e 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -204,6 +204,14 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu)
asm volatile("fxsaveq %[fx]" : [fx] "=m" (fpu->state.fxsave));
}
+static inline void fxsave(struct fxregs_state *fx)
+{
+ if (IS_ENABLED(CONFIG_X86_32))
+ asm volatile( "fxsave %[fx]" : [fx] "=m" (*fx));
+ else
+ asm volatile("fxsaveq %[fx]" : [fx] "=m" (*fx));
+}
+
/* These macros all use (%edi)/(%rdi) as the single memory argument. */
#define XSAVE ".byte " REX_PREFIX "0x0f,0xae,0x27"
#define XSAVEOPT ".byte " REX_PREFIX "0x0f,0xae,0x37"
@@ -272,28 +280,6 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu)
: "D" (st), "m" (*st), "a" (lmask), "d" (hmask) \
: "memory")
-/*
- * This function is called only during boot time when x86 caps are not set
- * up and alternative can not be used yet.
- */
-static inline void copy_xregs_to_kernel_booting(struct xregs_state *xstate)
-{
- u64 mask = -1;
- u32 lmask = mask;
- u32 hmask = mask >> 32;
- int err;
-
- WARN_ON(system_state != SYSTEM_BOOTING);
-
- if (boot_cpu_has(X86_FEATURE_XSAVES))
- XSTATE_OP(XSAVES, xstate, lmask, hmask, err);
- else
- XSTATE_OP(XSAVE, xstate, lmask, hmask, err);
-
- /* We should never fault when copying to a kernel buffer: */
- WARN_ON_FPU(err);
-}
-
/*
* This function is called only during boot time when x86 caps are not set
* up and alternative can not be used yet.
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 735d1f1bbabc..046782df37a6 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -398,6 +398,24 @@ static void __init print_xstate_offset_size(void)
}
}
+/*
+ * All supported features have either init state all zeros or are
+ * handled in setup_init_fpu() individually. This is an explicit
+ * feature list and does not use XFEATURE_MASK*SUPPORTED to catch
+ * newly added supported features at build time and make people
+ * actually look at the init state for the new feature.
+ */
+#define XFEATURES_INIT_FPSTATE_HANDLED \
+ (XFEATURE_MASK_FP | \
+ XFEATURE_MASK_SSE | \
+ XFEATURE_MASK_YMM | \
+ XFEATURE_MASK_OPMASK | \
+ XFEATURE_MASK_ZMM_Hi256 | \
+ XFEATURE_MASK_Hi16_ZMM | \
+ XFEATURE_MASK_PKRU | \
+ XFEATURE_MASK_BNDREGS | \
+ XFEATURE_MASK_BNDCSR)
+
/*
* setup the xstate image representing the init state
*/
@@ -405,6 +423,8 @@ static void __init setup_init_fpu_buf(void)
{
static int on_boot_cpu __initdata = 1;
+ BUILD_BUG_ON(XCNTXT_MASK != XFEATURES_INIT_FPSTATE_HANDLED);
+
WARN_ON_FPU(!on_boot_cpu);
on_boot_cpu = 0;
@@ -423,10 +443,22 @@ static void __init setup_init_fpu_buf(void)
copy_kernel_to_xregs_booting(&init_fpstate.xsave);
/*
- * Dump the init state again. This is to identify the init state
- * of any feature which is not represented by all zero's.
+ * All components are now in init state. Read the state back so
+ * that init_fpstate contains all non-zero init state. This only
+ * works with XSAVE, but not with XSAVEOPT and XSAVES because
+ * those use the init optimization which skips writing data for
+ * components in init state.
+ *
+ * XSAVE could be used, but that would require to reshuffle the
+ * data when XSAVES is available because XSAVES uses xstate
+ * compaction. But doing so is a pointless exercise because most
+ * components have an all zeros init state except for the legacy
+ * ones (FP and SSE). Those can be saved with FXSAVE into the
+ * legacy area. Adding new features requires to ensure that init
+ * state is all zeroes or if not to add the necessary handling
+ * here.
*/
- copy_xregs_to_kernel_booting(&init_fpstate.xsave);
+ fxsave(&init_fpstate.fxsave);
}
static int xfeature_uncompacted_offset(int xfeature_nr)
diff --git a/drivers/cpufreq/armada-37xx-cpufreq.c b/drivers/cpufreq/armada-37xx-cpufreq.c
index e4782f562e7a..2de7fd18f66a 100644
--- a/drivers/cpufreq/armada-37xx-cpufreq.c
+++ b/drivers/cpufreq/armada-37xx-cpufreq.c
@@ -102,7 +102,11 @@ struct armada_37xx_dvfs {
};
static struct armada_37xx_dvfs armada_37xx_dvfs[] = {
- {.cpu_freq_max = 1200*1000*1000, .divider = {1, 2, 4, 6} },
+ /*
+ * The cpufreq scaling for 1.2 GHz variant of the SOC is currently
+ * unstable because we do not know how to configure it properly.
+ */
+ /* {.cpu_freq_max = 1200*1000*1000, .divider = {1, 2, 4, 6} }, */
{.cpu_freq_max = 1000*1000*1000, .divider = {1, 2, 4, 5} },
{.cpu_freq_max = 800*1000*1000, .divider = {1, 2, 3, 4} },
{.cpu_freq_max = 600*1000*1000, .divider = {2, 4, 5, 6} },
diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c
index 4bbf4172b9bf..e3f1d4ab8e4f 100644
--- a/drivers/dma/of-dma.c
+++ b/drivers/dma/of-dma.c
@@ -65,8 +65,12 @@ static struct dma_chan *of_dma_router_xlate(struct of_phandle_args *dma_spec,
return NULL;
ofdma_target = of_dma_find_controller(&dma_spec_target);
- if (!ofdma_target)
- return NULL;
+ if (!ofdma_target) {
+ ofdma->dma_router->route_free(ofdma->dma_router->dev,
+ route_data);
+ chan = ERR_PTR(-EPROBE_DEFER);
+ goto err;
+ }
chan = ofdma_target->of_dma_xlate(&dma_spec_target, ofdma_target);
if (IS_ERR_OR_NULL(chan)) {
@@ -77,6 +81,7 @@ static struct dma_chan *of_dma_router_xlate(struct of_phandle_args *dma_spec,
chan->route_data = route_data;
}
+err:
/*
* Need to put the node back since the ofdma->of_dma_route_allocate
* has taken it for generating the new, translated dma_spec
diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c
index 8f7ceb698226..1cc06900153e 100644
--- a/drivers/dma/sh/usb-dmac.c
+++ b/drivers/dma/sh/usb-dmac.c
@@ -855,8 +855,8 @@ static int usb_dmac_probe(struct platform_device *pdev)
error:
of_dma_controller_free(pdev->dev.of_node);
- pm_runtime_put(&pdev->dev);
error_pm:
+ pm_runtime_put(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return ret;
}
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index 1b5f3e9f43d7..ce18bca45ff2 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -333,6 +333,7 @@ struct xilinx_dma_tx_descriptor {
* @genlock: Support genlock mode
* @err: Channel has errors
* @idle: Check for channel idle
+ * @terminating: Check for channel being synchronized by user
* @tasklet: Cleanup work after irq
* @config: Device configuration info
* @flush_on_fsync: Flush on Frame sync
@@ -370,6 +371,7 @@ struct xilinx_dma_chan {
bool genlock;
bool err;
bool idle;
+ bool terminating;
struct tasklet_struct tasklet;
struct xilinx_vdma_config config;
bool flush_on_fsync;
@@ -844,6 +846,13 @@ static void xilinx_dma_chan_desc_cleanup(struct xilinx_dma_chan *chan)
/* Run any dependencies, then free the descriptor */
dma_run_dependencies(&desc->async_tx);
xilinx_dma_free_tx_descriptor(chan, desc);
+
+ /*
+ * While we ran a callback the user called a terminate function,
+ * which takes care of cleaning up any remaining descriptors
+ */
+ if (chan->terminating)
+ break;
}
spin_unlock_irqrestore(&chan->lock, flags);
@@ -1618,6 +1627,8 @@ static dma_cookie_t xilinx_dma_tx_submit(struct dma_async_tx_descriptor *tx)
if (desc->cyclic)
chan->cyclic = true;
+ chan->terminating = false;
+
spin_unlock_irqrestore(&chan->lock, flags);
return cookie;
@@ -2074,6 +2085,7 @@ static int xilinx_dma_terminate_all(struct dma_chan *dchan)
}
/* Remove and free all of the descriptors in the lists */
+ chan->terminating = true;
xilinx_dma_free_descriptors(chan);
chan->idle = true;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
index 8d5cfd5357c7..03e207333953 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
@@ -362,7 +362,7 @@ void optc2_lock_doublebuffer_enable(struct timing_generator *optc)
REG_UPDATE_2(OTG_GLOBAL_CONTROL1,
MASTER_UPDATE_LOCK_DB_X,
- h_blank_start - 200 - 1,
+ (h_blank_start - 200 - 1) / optc1->opp_count,
MASTER_UPDATE_LOCK_DB_Y,
v_blank_start - 1);
}
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 9d7232e26ecf..c5758fb696cc 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -775,6 +775,9 @@ void iommu_group_remove_device(struct device *dev)
struct iommu_group *group = dev->iommu_group;
struct group_device *tmp_device, *device = NULL;
+ if (!group)
+ return;
+
dev_info(dev, "Removing from iommu group %d\n", group->id);
/* Pre-notify listeners that a device is being removed. */
diff --git a/drivers/ipack/carriers/tpci200.c b/drivers/ipack/carriers/tpci200.c
index b05d6125c787..46665b1cef85 100644
--- a/drivers/ipack/carriers/tpci200.c
+++ b/drivers/ipack/carriers/tpci200.c
@@ -91,16 +91,13 @@ static void tpci200_unregister(struct tpci200_board *tpci200)
free_irq(tpci200->info->pdev->irq, (void *) tpci200);
pci_iounmap(tpci200->info->pdev, tpci200->info->interface_regs);
- pci_iounmap(tpci200->info->pdev, tpci200->info->cfg_regs);
pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
pci_release_region(tpci200->info->pdev, TPCI200_MEM16_SPACE_BAR);
pci_release_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR);
- pci_release_region(tpci200->info->pdev, TPCI200_CFG_MEM_BAR);
pci_disable_device(tpci200->info->pdev);
- pci_dev_put(tpci200->info->pdev);
}
static void tpci200_enable_irq(struct tpci200_board *tpci200,
@@ -259,7 +256,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
"(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 2 !",
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
- goto out_disable_pci;
+ goto err_disable_device;
}
/* Request IO ID INT space (Bar 3) */
@@ -271,7 +268,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
"(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 3 !",
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
- goto out_release_ip_space;
+ goto err_ip_interface_bar;
}
/* Request MEM8 space (Bar 5) */
@@ -282,7 +279,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
"(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 5!",
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
- goto out_release_ioid_int_space;
+ goto err_io_id_int_spaces_bar;
}
/* Request MEM16 space (Bar 4) */
@@ -293,7 +290,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
"(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 4!",
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
- goto out_release_mem8_space;
+ goto err_mem8_space_bar;
}
/* Map internal tpci200 driver user space */
@@ -307,7 +304,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
res = -ENOMEM;
- goto out_release_mem8_space;
+ goto err_mem16_space_bar;
}
/* Initialize lock that protects interface_regs */
@@ -346,18 +343,22 @@ static int tpci200_register(struct tpci200_board *tpci200)
"(bn 0x%X, sn 0x%X) unable to register IRQ !",
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
- goto out_release_ioid_int_space;
+ goto err_interface_regs;
}
return 0;
-out_release_mem8_space:
+err_interface_regs:
+ pci_iounmap(tpci200->info->pdev, tpci200->info->interface_regs);
+err_mem16_space_bar:
+ pci_release_region(tpci200->info->pdev, TPCI200_MEM16_SPACE_BAR);
+err_mem8_space_bar:
pci_release_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR);
-out_release_ioid_int_space:
+err_io_id_int_spaces_bar:
pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
-out_release_ip_space:
+err_ip_interface_bar:
pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
-out_disable_pci:
+err_disable_device:
pci_disable_device(tpci200->info->pdev);
return res;
}
@@ -529,7 +530,7 @@ static int tpci200_pci_probe(struct pci_dev *pdev,
tpci200->info = kzalloc(sizeof(struct tpci200_infos), GFP_KERNEL);
if (!tpci200->info) {
ret = -ENOMEM;
- goto out_err_info;
+ goto err_tpci200;
}
pci_dev_get(pdev);
@@ -540,7 +541,7 @@ static int tpci200_pci_probe(struct pci_dev *pdev,
if (ret) {
dev_err(&pdev->dev, "Failed to allocate PCI Configuration Memory");
ret = -EBUSY;
- goto out_err_pci_request;
+ goto err_tpci200_info;
}
tpci200->info->cfg_regs = ioremap_nocache(
pci_resource_start(pdev, TPCI200_CFG_MEM_BAR),
@@ -548,7 +549,7 @@ static int tpci200_pci_probe(struct pci_dev *pdev,
if (!tpci200->info->cfg_regs) {
dev_err(&pdev->dev, "Failed to map PCI Configuration Memory");
ret = -EFAULT;
- goto out_err_ioremap;
+ goto err_request_region;
}
/* Disable byte swapping for 16 bit IP module access. This will ensure
@@ -571,7 +572,7 @@ static int tpci200_pci_probe(struct pci_dev *pdev,
if (ret) {
dev_err(&pdev->dev, "error during tpci200 install\n");
ret = -ENODEV;
- goto out_err_install;
+ goto err_cfg_regs;
}
/* Register the carrier in the industry pack bus driver */
@@ -583,7 +584,7 @@ static int tpci200_pci_probe(struct pci_dev *pdev,
dev_err(&pdev->dev,
"error registering the carrier on ipack driver\n");
ret = -EFAULT;
- goto out_err_bus_register;
+ goto err_tpci200_install;
}
/* save the bus number given by ipack to logging purpose */
@@ -594,19 +595,16 @@ static int tpci200_pci_probe(struct pci_dev *pdev,
tpci200_create_device(tpci200, i);
return 0;
-out_err_bus_register:
+err_tpci200_install:
tpci200_uninstall(tpci200);
- /* tpci200->info->cfg_regs is unmapped in tpci200_uninstall */
- tpci200->info->cfg_regs = NULL;
-out_err_install:
- if (tpci200->info->cfg_regs)
- iounmap(tpci200->info->cfg_regs);
-out_err_ioremap:
+err_cfg_regs:
+ pci_iounmap(tpci200->info->pdev, tpci200->info->cfg_regs);
+err_request_region:
pci_release_region(pdev, TPCI200_CFG_MEM_BAR);
-out_err_pci_request:
- pci_dev_put(pdev);
+err_tpci200_info:
kfree(tpci200->info);
-out_err_info:
+ pci_dev_put(pdev);
+err_tpci200:
kfree(tpci200);
return ret;
}
@@ -616,6 +614,12 @@ static void __tpci200_pci_remove(struct tpci200_board *tpci200)
ipack_bus_unregister(tpci200->info->ipack_bus);
tpci200_uninstall(tpci200);
+ pci_iounmap(tpci200->info->pdev, tpci200->info->cfg_regs);
+
+ pci_release_region(tpci200->info->pdev, TPCI200_CFG_MEM_BAR);
+
+ pci_dev_put(tpci200->info->pdev);
+
kfree(tpci200->info);
kfree(tpci200);
}
diff --git a/drivers/media/usb/zr364xx/zr364xx.c b/drivers/media/usb/zr364xx/zr364xx.c
index 02458c9cb5dc..25f16ff6dcc7 100644
--- a/drivers/media/usb/zr364xx/zr364xx.c
+++ b/drivers/media/usb/zr364xx/zr364xx.c
@@ -1187,15 +1187,11 @@ out:
return err;
}
-static void zr364xx_release(struct v4l2_device *v4l2_dev)
+static void zr364xx_board_uninit(struct zr364xx_camera *cam)
{
- struct zr364xx_camera *cam =
- container_of(v4l2_dev, struct zr364xx_camera, v4l2_dev);
unsigned long i;
- v4l2_device_unregister(&cam->v4l2_dev);
-
- videobuf_mmap_free(&cam->vb_vidq);
+ zr364xx_stop_readpipe(cam);
/* release sys buffers */
for (i = 0; i < FRAMES; i++) {
@@ -1206,9 +1202,19 @@ static void zr364xx_release(struct v4l2_device *v4l2_dev)
cam->buffer.frame[i].lpvbits = NULL;
}
- v4l2_ctrl_handler_free(&cam->ctrl_handler);
/* release transfer buffer */
kfree(cam->pipe->transfer_buffer);
+}
+
+static void zr364xx_release(struct v4l2_device *v4l2_dev)
+{
+ struct zr364xx_camera *cam =
+ container_of(v4l2_dev, struct zr364xx_camera, v4l2_dev);
+
+ videobuf_mmap_free(&cam->vb_vidq);
+ v4l2_ctrl_handler_free(&cam->ctrl_handler);
+ zr364xx_board_uninit(cam);
+ v4l2_device_unregister(&cam->v4l2_dev);
kfree(cam);
}
@@ -1331,6 +1337,7 @@ static int zr364xx_board_init(struct zr364xx_camera *cam)
{
struct zr364xx_pipeinfo *pipe = cam->pipe;
unsigned long i;
+ int err;
DBG("board init: %p\n", cam);
memset(pipe, 0, sizeof(*pipe));
@@ -1363,9 +1370,8 @@ static int zr364xx_board_init(struct zr364xx_camera *cam)
if (i == 0) {
printk(KERN_INFO KBUILD_MODNAME ": out of memory. Aborting\n");
- kfree(cam->pipe->transfer_buffer);
- cam->pipe->transfer_buffer = NULL;
- return -ENOMEM;
+ err = -ENOMEM;
+ goto err_free;
} else
cam->buffer.dwFrames = i;
@@ -1380,9 +1386,20 @@ static int zr364xx_board_init(struct zr364xx_camera *cam)
/*** end create system buffers ***/
/* start read pipe */
- zr364xx_start_readpipe(cam);
+ err = zr364xx_start_readpipe(cam);
+ if (err)
+ goto err_free_frames;
+
DBG(": board initialized\n");
return 0;
+
+err_free_frames:
+ for (i = 0; i < FRAMES; i++)
+ vfree(cam->buffer.frame[i].lpvbits);
+err_free:
+ kfree(cam->pipe->transfer_buffer);
+ cam->pipe->transfer_buffer = NULL;
+ return err;
}
static int zr364xx_probe(struct usb_interface *intf,
@@ -1407,12 +1424,10 @@ static int zr364xx_probe(struct usb_interface *intf,
if (!cam)
return -ENOMEM;
- cam->v4l2_dev.release = zr364xx_release;
err = v4l2_device_register(&intf->dev, &cam->v4l2_dev);
if (err < 0) {
dev_err(&udev->dev, "couldn't register v4l2_device\n");
- kfree(cam);
- return err;
+ goto free_cam;
}
hdl = &cam->ctrl_handler;
v4l2_ctrl_handler_init(hdl, 1);
@@ -1421,7 +1436,7 @@ static int zr364xx_probe(struct usb_interface *intf,
if (hdl->error) {
err = hdl->error;
dev_err(&udev->dev, "couldn't register control\n");
- goto fail;
+ goto free_hdlr_and_unreg_dev;
}
/* save the init method used by this camera */
cam->method = id->driver_info;
@@ -1494,7 +1509,7 @@ static int zr364xx_probe(struct usb_interface *intf,
if (!cam->read_endpoint) {
err = -ENOMEM;
dev_err(&intf->dev, "Could not find bulk-in endpoint\n");
- goto fail;
+ goto free_hdlr_and_unreg_dev;
}
/* v4l */
@@ -1505,10 +1520,11 @@ static int zr364xx_probe(struct usb_interface *intf,
/* load zr364xx board specific */
err = zr364xx_board_init(cam);
- if (!err)
- err = v4l2_ctrl_handler_setup(hdl);
if (err)
- goto fail;
+ goto free_hdlr_and_unreg_dev;
+ err = v4l2_ctrl_handler_setup(hdl);
+ if (err)
+ goto board_uninit;
spin_lock_init(&cam->slock);
@@ -1523,16 +1539,20 @@ static int zr364xx_probe(struct usb_interface *intf,
err = video_register_device(&cam->vdev, VFL_TYPE_GRABBER, -1);
if (err) {
dev_err(&udev->dev, "video_register_device failed\n");
- goto fail;
+ goto board_uninit;
}
+ cam->v4l2_dev.release = zr364xx_release;
dev_info(&udev->dev, DRIVER_DESC " controlling device %s\n",
video_device_node_name(&cam->vdev));
return 0;
-fail:
+board_uninit:
+ zr364xx_board_uninit(cam);
+free_hdlr_and_unreg_dev:
v4l2_ctrl_handler_free(hdl);
v4l2_device_unregister(&cam->v4l2_dev);
+free_cam:
kfree(cam);
return err;
}
@@ -1579,10 +1599,19 @@ static int zr364xx_resume(struct usb_interface *intf)
if (!cam->was_streaming)
return 0;
- zr364xx_start_readpipe(cam);
+ res = zr364xx_start_readpipe(cam);
+ if (res)
+ return res;
+
res = zr364xx_prepare(cam);
- if (!res)
- zr364xx_start_acquire(cam);
+ if (res)
+ goto err_prepare;
+
+ zr364xx_start_acquire(cam);
+ return 0;
+
+err_prepare:
+ zr364xx_stop_readpipe(cam);
return res;
}
#endif
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 79c55c7b4afd..6ace82028667 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2017,8 +2017,8 @@ static void dw_mci_tasklet_func(unsigned long priv)
continue;
}
- dw_mci_stop_dma(host);
send_stop_abort(host, data);
+ dw_mci_stop_dma(host);
state = STATE_SENDING_STOP;
break;
}
@@ -2042,10 +2042,10 @@ static void dw_mci_tasklet_func(unsigned long priv)
*/
if (test_and_clear_bit(EVENT_DATA_ERROR,
&host->pending_events)) {
- dw_mci_stop_dma(host);
if (!(host->data_status & (SDMMC_INT_DRTO |
SDMMC_INT_EBE)))
send_stop_abort(host, data);
+ dw_mci_stop_dma(host);
state = STATE_DATA_ERROR;
break;
}
@@ -2078,10 +2078,10 @@ static void dw_mci_tasklet_func(unsigned long priv)
*/
if (test_and_clear_bit(EVENT_DATA_ERROR,
&host->pending_events)) {
- dw_mci_stop_dma(host);
if (!(host->data_status & (SDMMC_INT_DRTO |
SDMMC_INT_EBE)))
send_stop_abort(host, data);
+ dw_mci_stop_dma(host);
state = STATE_DATA_ERROR;
break;
}
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index c8b9ab40a102..9c98ddef0097 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -119,7 +119,7 @@ static int cfi_use_status_reg(struct cfi_private *cfi)
struct cfi_pri_amdstd *extp = cfi->cmdset_priv;
u8 poll_mask = CFI_POLL_STATUS_REG | CFI_POLL_DQ;
- return extp->MinorVersion >= '5' &&
+ return extp && extp->MinorVersion >= '5' &&
(extp->SoftwareFeatures & poll_mask) == CFI_POLL_STATUS_REG;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 287ea792922a..e67f07faca78 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -360,6 +360,26 @@ static u16 bnxt_xmit_get_cfa_action(struct sk_buff *skb)
return md_dst->u.port_info.port_id;
}
+static bool bnxt_txr_netif_try_stop_queue(struct bnxt *bp,
+ struct bnxt_tx_ring_info *txr,
+ struct netdev_queue *txq)
+{
+ netif_tx_stop_queue(txq);
+
+ /* netif_tx_stop_queue() must be done before checking
+ * tx index in bnxt_tx_avail() below, because in
+ * bnxt_tx_int(), we update tx index before checking for
+ * netif_tx_queue_stopped().
+ */
+ smp_mb();
+ if (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh) {
+ netif_tx_wake_queue(txq);
+ return false;
+ }
+
+ return true;
+}
+
static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
@@ -387,8 +407,8 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
free_size = bnxt_tx_avail(bp, txr);
if (unlikely(free_size < skb_shinfo(skb)->nr_frags + 2)) {
- netif_tx_stop_queue(txq);
- return NETDEV_TX_BUSY;
+ if (bnxt_txr_netif_try_stop_queue(bp, txr, txq))
+ return NETDEV_TX_BUSY;
}
length = skb->len;
@@ -597,16 +617,7 @@ tx_done:
if (netdev_xmit_more() && !tx_buf->is_push)
bnxt_db_write(bp, &txr->tx_db, prod);
- netif_tx_stop_queue(txq);
-
- /* netif_tx_stop_queue() must be done before checking
- * tx index in bnxt_tx_avail() below, because in
- * bnxt_tx_int(), we update tx index before checking for
- * netif_tx_queue_stopped().
- */
- smp_mb();
- if (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh)
- netif_tx_wake_queue(txq);
+ bnxt_txr_netif_try_stop_queue(bp, txr, txq);
}
return NETDEV_TX_OK;
@@ -690,14 +701,9 @@ next_tx_int:
smp_mb();
if (unlikely(netif_tx_queue_stopped(txq)) &&
- (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
- __netif_tx_lock(txq, smp_processor_id());
- if (netif_tx_queue_stopped(txq) &&
- bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh &&
- txr->dev_state != BNXT_DEV_STATE_CLOSING)
- netif_tx_wake_queue(txq);
- __netif_tx_unlock(txq);
- }
+ bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh &&
+ READ_ONCE(txr->dev_state) != BNXT_DEV_STATE_CLOSING)
+ netif_tx_wake_queue(txq);
}
static struct page *__bnxt_alloc_rx_page(struct bnxt *bp, dma_addr_t *mapping,
@@ -1718,6 +1724,10 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
return -EBUSY;
+ /* The valid test of the entry must be done first before
+ * reading any further.
+ */
+ dma_rmb();
prod = rxr->rx_prod;
if (cmp_type == CMP_TYPE_RX_L2_TPA_START_CMP) {
@@ -1912,6 +1922,10 @@ static int bnxt_force_rx_discard(struct bnxt *bp,
if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
return -EBUSY;
+ /* The valid test of the entry must be done first before
+ * reading any further.
+ */
+ dma_rmb();
cmp_type = RX_CMP_TYPE(rxcmp);
if (cmp_type == CMP_TYPE_RX_L2_CMP) {
rxcmp1->rx_cmp_cfa_code_errors_v2 |=
@@ -2308,6 +2322,10 @@ static int bnxt_poll_nitroa0(struct napi_struct *napi, int budget)
if (!TX_CMP_VALID(txcmp, raw_cons))
break;
+ /* The valid test of the entry must be done first before
+ * reading any further.
+ */
+ dma_rmb();
if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) {
tmp_raw_cons = NEXT_RAW_CMP(raw_cons);
cp_cons = RING_CMP(tmp_raw_cons);
@@ -8340,10 +8358,9 @@ static void bnxt_disable_napi(struct bnxt *bp)
for (i = 0; i < bp->cp_nr_rings; i++) {
struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring;
+ napi_disable(&bp->bnapi[i]->napi);
if (bp->bnapi[i]->rx_ring)
cancel_work_sync(&cpr->dim.work);
-
- napi_disable(&bp->bnapi[i]->napi);
}
}
@@ -8371,9 +8388,11 @@ void bnxt_tx_disable(struct bnxt *bp)
if (bp->tx_ring) {
for (i = 0; i < bp->tx_nr_rings; i++) {
txr = &bp->tx_ring[i];
- txr->dev_state = BNXT_DEV_STATE_CLOSING;
+ WRITE_ONCE(txr->dev_state, BNXT_DEV_STATE_CLOSING);
}
}
+ /* Make sure napi polls see @dev_state change */
+ synchronize_net();
/* Drop carrier first to prevent TX timeout */
netif_carrier_off(bp->dev);
/* Stop all TX queues */
@@ -8387,8 +8406,10 @@ void bnxt_tx_enable(struct bnxt *bp)
for (i = 0; i < bp->tx_nr_rings; i++) {
txr = &bp->tx_ring[i];
- txr->dev_state = 0;
+ WRITE_ONCE(txr->dev_state, 0);
}
+ /* Make sure napi polls see @dev_state change */
+ synchronize_net();
netif_tx_wake_all_queues(bp->dev);
if (bp->link_info.link_up)
netif_carrier_on(bp->dev);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 8e38c547b53f..06987913837a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -3553,8 +3553,7 @@ u16 i40e_lan_select_queue(struct net_device *netdev,
/* is DCB enabled at all? */
if (vsi->tc_config.numtc == 1)
- return i40e_swdcb_skb_tx_hash(netdev, skb,
- netdev->real_num_tx_queues);
+ return netdev_pick_tx(netdev, skb, sb_dev);
prio = skb->priority;
hw = &vsi->back->hw;
diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h
index 6b9117a350fa..81ca6472937d 100644
--- a/drivers/net/ethernet/intel/iavf/iavf.h
+++ b/drivers/net/ethernet/intel/iavf/iavf.h
@@ -134,6 +134,7 @@ struct iavf_q_vector {
struct iavf_mac_filter {
struct list_head list;
u8 macaddr[ETH_ALEN];
+ bool is_new_mac; /* filter is new, wait for PF decision */
bool remove; /* filter needs to be removed */
bool add; /* filter needs to be added */
};
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index dc902e371c2c..94a3f000e999 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -761,6 +761,7 @@ struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
list_add_tail(&f->list, &adapter->mac_filter_list);
f->add = true;
+ f->is_new_mac = true;
adapter->aq_required |= IAVF_FLAG_AQ_ADD_MAC_FILTER;
} else {
f->remove = false;
diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
index 9655318803b7..4d471a6f2946 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
@@ -564,6 +564,47 @@ void iavf_del_ether_addrs(struct iavf_adapter *adapter)
kfree(veal);
}
+/**
+ * iavf_mac_add_ok
+ * @adapter: adapter structure
+ *
+ * Submit list of filters based on PF response.
+ **/
+static void iavf_mac_add_ok(struct iavf_adapter *adapter)
+{
+ struct iavf_mac_filter *f, *ftmp;
+
+ spin_lock_bh(&adapter->mac_vlan_list_lock);
+ list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
+ f->is_new_mac = false;
+ }
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
+}
+
+/**
+ * iavf_mac_add_reject
+ * @adapter: adapter structure
+ *
+ * Remove filters from list based on PF response.
+ **/
+static void iavf_mac_add_reject(struct iavf_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct iavf_mac_filter *f, *ftmp;
+
+ spin_lock_bh(&adapter->mac_vlan_list_lock);
+ list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
+ if (f->remove && ether_addr_equal(f->macaddr, netdev->dev_addr))
+ f->remove = false;
+
+ if (f->is_new_mac) {
+ list_del(&f->list);
+ kfree(f);
+ }
+ }
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
+}
+
/**
* iavf_add_vlans
* @adapter: adapter structure
@@ -1316,6 +1357,7 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
case VIRTCHNL_OP_ADD_ETH_ADDR:
dev_err(&adapter->pdev->dev, "Failed to add MAC filter, error %s\n",
iavf_stat_str(&adapter->hw, v_retval));
+ iavf_mac_add_reject(adapter);
/* restore administratively set MAC address */
ether_addr_copy(adapter->hw.mac.addr, netdev->dev_addr);
break;
@@ -1385,10 +1427,11 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
}
}
switch (v_opcode) {
- case VIRTCHNL_OP_ADD_ETH_ADDR: {
+ case VIRTCHNL_OP_ADD_ETH_ADDR:
+ if (!v_retval)
+ iavf_mac_add_ok(adapter);
if (!ether_addr_equal(netdev->dev_addr, adapter->hw.mac.addr))
ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr);
- }
break;
case VIRTCHNL_OP_GET_STATS: {
struct iavf_eth_stats *stats =
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index 29b9c728a65e..f2014c10f7c9 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -3158,8 +3158,10 @@ int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr,
indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr);
ret = QLCRD32(adapter, indirect_addr, &err);
- if (err == -EIO)
+ if (err == -EIO) {
+ qlcnic_83xx_unlock_flash(adapter);
return err;
+ }
word = ret;
*(u32 *)p_data = word;
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 71d6629e65c9..da13683d52d1 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -839,6 +839,12 @@ static void decode_data(struct sixpack *sp, unsigned char inbyte)
return;
}
+ if (sp->rx_count_cooked + 2 >= sizeof(sp->cooked_buf)) {
+ pr_err("6pack: cooked buffer overrun, data loss\n");
+ sp->rx_count = 0;
+ return;
+ }
+
buf = sp->raw_buf;
sp->cooked_buf[sp->rx_count_cooked++] =
buf[0] | ((buf[1] << 2) & 0xc0);
diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c
index 6a1d3540210b..ccb3ee704eb1 100644
--- a/drivers/net/phy/mdio-mux.c
+++ b/drivers/net/phy/mdio-mux.c
@@ -82,6 +82,17 @@ out:
static int parent_count;
+static void mdio_mux_uninit_children(struct mdio_mux_parent_bus *pb)
+{
+ struct mdio_mux_child_bus *cb = pb->children;
+
+ while (cb) {
+ mdiobus_unregister(cb->mii_bus);
+ mdiobus_free(cb->mii_bus);
+ cb = cb->next;
+ }
+}
+
int mdio_mux_init(struct device *dev,
struct device_node *mux_node,
int (*switch_fn)(int cur, int desired, void *data),
@@ -144,7 +155,7 @@ int mdio_mux_init(struct device *dev,
cb = devm_kzalloc(dev, sizeof(*cb), GFP_KERNEL);
if (!cb) {
ret_val = -ENOMEM;
- continue;
+ goto err_loop;
}
cb->bus_number = v;
cb->parent = pb;
@@ -152,8 +163,7 @@ int mdio_mux_init(struct device *dev,
cb->mii_bus = mdiobus_alloc();
if (!cb->mii_bus) {
ret_val = -ENOMEM;
- devm_kfree(dev, cb);
- continue;
+ goto err_loop;
}
cb->mii_bus->priv = cb;
@@ -165,11 +175,15 @@ int mdio_mux_init(struct device *dev,
cb->mii_bus->write = mdio_mux_write;
r = of_mdiobus_register(cb->mii_bus, child_bus_node);
if (r) {
+ mdiobus_free(cb->mii_bus);
+ if (r == -EPROBE_DEFER) {
+ ret_val = r;
+ goto err_loop;
+ }
+ devm_kfree(dev, cb);
dev_err(dev,
"Error: Failed to register MDIO bus for child %pOF\n",
child_bus_node);
- mdiobus_free(cb->mii_bus);
- devm_kfree(dev, cb);
} else {
cb->next = pb->children;
pb->children = cb;
@@ -182,6 +196,10 @@ int mdio_mux_init(struct device *dev,
dev_err(dev, "Error: No acceptable child buses found\n");
devm_kfree(dev, pb);
+
+err_loop:
+ mdio_mux_uninit_children(pb);
+ of_node_put(child_bus_node);
err_pb_kz:
put_device(&parent_bus->dev);
err_parent_bus:
@@ -193,14 +211,8 @@ EXPORT_SYMBOL_GPL(mdio_mux_init);
void mdio_mux_uninit(void *mux_handle)
{
struct mdio_mux_parent_bus *pb = mux_handle;
- struct mdio_mux_child_bus *cb = pb->children;
-
- while (cb) {
- mdiobus_unregister(cb->mii_bus);
- mdiobus_free(cb->mii_bus);
- cb = cb->next;
- }
+ mdio_mux_uninit_children(pb);
put_device(&pb->mii_bus->dev);
}
EXPORT_SYMBOL_GPL(mdio_mux_uninit);
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 71cc5b63d8ce..92d9d3407b79 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1159,7 +1159,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
{
struct phy_device *phydev = dev->net->phydev;
struct ethtool_link_ksettings ecmd;
- int ladv, radv, ret;
+ int ladv, radv, ret, link;
u32 buf;
/* clear LAN78xx interrupt status */
@@ -1167,9 +1167,12 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
if (unlikely(ret < 0))
return -EIO;
+ mutex_lock(&phydev->lock);
phy_read_status(phydev);
+ link = phydev->link;
+ mutex_unlock(&phydev->lock);
- if (!phydev->link && dev->link_on) {
+ if (!link && dev->link_on) {
dev->link_on = false;
/* reset MAC */
@@ -1182,7 +1185,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
return -EIO;
del_timer(&dev->stat_monitor);
- } else if (phydev->link && !dev->link_on) {
+ } else if (link && !dev->link_on) {
dev->link_on = true;
phy_ethtool_ksettings_get(phydev, &ecmd);
@@ -1471,9 +1474,14 @@ static int lan78xx_set_eee(struct net_device *net, struct ethtool_eee *edata)
static u32 lan78xx_get_link(struct net_device *net)
{
+ u32 link;
+
+ mutex_lock(&net->phydev->lock);
phy_read_status(net->phydev);
+ link = net->phydev->link;
+ mutex_unlock(&net->phydev->lock);
- return net->phydev->link;
+ return link;
}
static void lan78xx_get_drvinfo(struct net_device *net,
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 15453d6fcc23..37c2cecd1e50 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -63,7 +63,7 @@ static const unsigned long guest_offloads[] = {
VIRTIO_NET_F_GUEST_CSUM
};
-#define GUEST_OFFLOAD_LRO_MASK ((1ULL << VIRTIO_NET_F_GUEST_TSO4) | \
+#define GUEST_OFFLOAD_GRO_HW_MASK ((1ULL << VIRTIO_NET_F_GUEST_TSO4) | \
(1ULL << VIRTIO_NET_F_GUEST_TSO6) | \
(1ULL << VIRTIO_NET_F_GUEST_ECN) | \
(1ULL << VIRTIO_NET_F_GUEST_UFO))
@@ -195,6 +195,9 @@ struct virtnet_info {
/* # of XDP queue pairs currently used by the driver */
u16 xdp_queue_pairs;
+ /* xdp_queue_pairs may be 0, when xdp is already loaded. So add this. */
+ bool xdp_enabled;
+
/* I like... big packets and I cannot lie! */
bool big_packets;
@@ -485,12 +488,41 @@ static int __virtnet_xdp_xmit_one(struct virtnet_info *vi,
return 0;
}
-static struct send_queue *virtnet_xdp_sq(struct virtnet_info *vi)
-{
- unsigned int qp;
-
- qp = vi->curr_queue_pairs - vi->xdp_queue_pairs + smp_processor_id();
- return &vi->sq[qp];
+/* when vi->curr_queue_pairs > nr_cpu_ids, the txq/sq is only used for xdp tx on
+ * the current cpu, so it does not need to be locked.
+ *
+ * Here we use marco instead of inline functions because we have to deal with
+ * three issues at the same time: 1. the choice of sq. 2. judge and execute the
+ * lock/unlock of txq 3. make sparse happy. It is difficult for two inline
+ * functions to perfectly solve these three problems at the same time.
+ */
+#define virtnet_xdp_get_sq(vi) ({ \
+ struct netdev_queue *txq; \
+ typeof(vi) v = (vi); \
+ unsigned int qp; \
+ \
+ if (v->curr_queue_pairs > nr_cpu_ids) { \
+ qp = v->curr_queue_pairs - v->xdp_queue_pairs; \
+ qp += smp_processor_id(); \
+ txq = netdev_get_tx_queue(v->dev, qp); \
+ __netif_tx_acquire(txq); \
+ } else { \
+ qp = smp_processor_id() % v->curr_queue_pairs; \
+ txq = netdev_get_tx_queue(v->dev, qp); \
+ __netif_tx_lock(txq, raw_smp_processor_id()); \
+ } \
+ v->sq + qp; \
+})
+
+#define virtnet_xdp_put_sq(vi, q) { \
+ struct netdev_queue *txq; \
+ typeof(vi) v = (vi); \
+ \
+ txq = netdev_get_tx_queue(v->dev, (q) - v->sq); \
+ if (v->curr_queue_pairs > nr_cpu_ids) \
+ __netif_tx_release(txq); \
+ else \
+ __netif_tx_unlock(txq); \
}
static int virtnet_xdp_xmit(struct net_device *dev,
@@ -516,7 +548,7 @@ static int virtnet_xdp_xmit(struct net_device *dev,
if (!xdp_prog)
return -ENXIO;
- sq = virtnet_xdp_sq(vi);
+ sq = virtnet_xdp_get_sq(vi);
if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) {
ret = -EINVAL;
@@ -564,12 +596,13 @@ out:
sq->stats.kicks += kicks;
u64_stats_update_end(&sq->stats.syncp);
+ virtnet_xdp_put_sq(vi, sq);
return ret;
}
static unsigned int virtnet_get_headroom(struct virtnet_info *vi)
{
- return vi->xdp_queue_pairs ? VIRTIO_XDP_HEADROOM : 0;
+ return vi->xdp_enabled ? VIRTIO_XDP_HEADROOM : 0;
}
/* We copy the packet for XDP in the following cases:
@@ -1458,12 +1491,13 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
xdp_do_flush_map();
if (xdp_xmit & VIRTIO_XDP_TX) {
- sq = virtnet_xdp_sq(vi);
+ sq = virtnet_xdp_get_sq(vi);
if (virtqueue_kick_prepare(sq->vq) && virtqueue_notify(sq->vq)) {
u64_stats_update_begin(&sq->stats.syncp);
sq->stats.kicks++;
u64_stats_update_end(&sq->stats.syncp);
}
+ virtnet_xdp_put_sq(vi, sq);
}
return received;
@@ -2459,7 +2493,7 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog,
virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_ECN) ||
virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_UFO) ||
virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_CSUM))) {
- NL_SET_ERR_MSG_MOD(extack, "Can't set XDP while host is implementing LRO/CSUM, disable LRO/CSUM first");
+ NL_SET_ERR_MSG_MOD(extack, "Can't set XDP while host is implementing GRO_HW/CSUM, disable GRO_HW/CSUM first");
return -EOPNOTSUPP;
}
@@ -2480,10 +2514,9 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog,
/* XDP requires extra queues for XDP_TX */
if (curr_qp + xdp_qp > vi->max_queue_pairs) {
- NL_SET_ERR_MSG_MOD(extack, "Too few free TX rings available");
- netdev_warn(dev, "request %i queues but max is %i\n",
+ netdev_warn(dev, "XDP request %i queues but max is %i. XDP_TX and XDP_REDIRECT will operate in a slower locked tx mode.\n",
curr_qp + xdp_qp, vi->max_queue_pairs);
- return -ENOMEM;
+ xdp_qp = 0;
}
old_prog = rtnl_dereference(vi->rq[0].xdp_prog);
@@ -2520,11 +2553,14 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog,
vi->xdp_queue_pairs = xdp_qp;
if (prog) {
+ vi->xdp_enabled = true;
for (i = 0; i < vi->max_queue_pairs; i++) {
rcu_assign_pointer(vi->rq[i].xdp_prog, prog);
if (i == 0 && !old_prog)
virtnet_clear_guest_offloads(vi);
}
+ } else {
+ vi->xdp_enabled = false;
}
for (i = 0; i < vi->max_queue_pairs; i++) {
@@ -2608,15 +2644,15 @@ static int virtnet_set_features(struct net_device *dev,
u64 offloads;
int err;
- if ((dev->features ^ features) & NETIF_F_LRO) {
- if (vi->xdp_queue_pairs)
+ if ((dev->features ^ features) & NETIF_F_GRO_HW) {
+ if (vi->xdp_enabled)
return -EBUSY;
- if (features & NETIF_F_LRO)
+ if (features & NETIF_F_GRO_HW)
offloads = vi->guest_offloads_capable;
else
offloads = vi->guest_offloads_capable &
- ~GUEST_OFFLOAD_LRO_MASK;
+ ~GUEST_OFFLOAD_GRO_HW_MASK;
err = virtnet_set_guest_offloads(vi, offloads);
if (err)
@@ -3092,9 +3128,9 @@ static int virtnet_probe(struct virtio_device *vdev)
dev->features |= NETIF_F_RXCSUM;
if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||
virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6))
- dev->features |= NETIF_F_LRO;
+ dev->features |= NETIF_F_GRO_HW;
if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS))
- dev->hw_features |= NETIF_F_LRO;
+ dev->hw_features |= NETIF_F_GRO_HW;
dev->vlan_features = dev->features;
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index f08ed52d51f3..9b626c169554 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -1036,6 +1036,8 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev,
bool need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr);
bool is_ndisc = ipv6_ndisc_frame(skb);
+ nf_reset_ct(skb);
+
/* loopback, multicast & non-ND link-local traffic; do not push through
* packet taps again. Reset pkt_type for upper layers to process skb.
* For strict packets with a source LLA, determine the dst using the
@@ -1092,6 +1094,8 @@ static struct sk_buff *vrf_ip_rcv(struct net_device *vrf_dev,
skb->skb_iif = vrf_dev->ifindex;
IPCB(skb)->flags |= IPSKB_L3SLAVE;
+ nf_reset_ct(skb);
+
if (ipv4_is_multicast(ip_hdr(skb)->daddr))
goto out;
diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 7a364eca46d6..f083fb9038c3 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -197,12 +197,13 @@ struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
bool ath_is_mybeacon(struct ath_common *common, struct ieee80211_hdr *hdr);
void ath_hw_setbssidmask(struct ath_common *common);
-void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf *key);
+void ath_key_delete(struct ath_common *common, u8 hw_key_idx);
int ath_key_config(struct ath_common *common,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key);
bool ath_hw_keyreset(struct ath_common *common, u16 entry);
+bool ath_hw_keysetmac(struct ath_common *common, u16 entry, const u8 *mac);
void ath_hw_cycle_counters_update(struct ath_common *common);
int32_t ath_hw_get_listen_time(struct ath_common *common);
diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
index 5e866a193ed0..d065600791c1 100644
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -521,7 +521,7 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
}
break;
case DISABLE_KEY:
- ath_key_delete(common, key);
+ ath_key_delete(common, key->hw_key_idx);
break;
default:
ret = -EINVAL;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index a82ad739ab80..16a7bae62b7d 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1460,7 +1460,7 @@ static int ath9k_htc_set_key(struct ieee80211_hw *hw,
}
break;
case DISABLE_KEY:
- ath_key_delete(common, key);
+ ath_key_delete(common, key->hw_key_idx);
break;
default:
ret = -EINVAL;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 2e4489700a85..2842ca205a0a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -819,6 +819,7 @@ struct ath_hw {
struct ath9k_pacal_info pacal_info;
struct ar5416Stats stats;
struct ath9k_tx_queue_info txq[ATH9K_NUM_TX_QUEUES];
+ DECLARE_BITMAP(pending_del_keymap, ATH_KEYMAX);
enum ath9k_int imask;
u32 imrs2_reg;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index d14e01da3c31..28ccdcb197de 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -823,12 +823,80 @@ exit:
ieee80211_free_txskb(hw, skb);
}
+static bool ath9k_txq_list_has_key(struct list_head *txq_list, u32 keyix)
+{
+ struct ath_buf *bf;
+ struct ieee80211_tx_info *txinfo;
+ struct ath_frame_info *fi;
+
+ list_for_each_entry(bf, txq_list, list) {
+ if (bf->bf_state.stale || !bf->bf_mpdu)
+ continue;
+
+ txinfo = IEEE80211_SKB_CB(bf->bf_mpdu);
+ fi = (struct ath_frame_info *)&txinfo->rate_driver_data[0];
+ if (fi->keyix == keyix)
+ return true;
+ }
+
+ return false;
+}
+
+static bool ath9k_txq_has_key(struct ath_softc *sc, u32 keyix)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ int i;
+ struct ath_txq *txq;
+ bool key_in_use = false;
+
+ for (i = 0; !key_in_use && i < ATH9K_NUM_TX_QUEUES; i++) {
+ if (!ATH_TXQ_SETUP(sc, i))
+ continue;
+ txq = &sc->tx.txq[i];
+ if (!txq->axq_depth)
+ continue;
+ if (!ath9k_hw_numtxpending(ah, txq->axq_qnum))
+ continue;
+
+ ath_txq_lock(sc, txq);
+ key_in_use = ath9k_txq_list_has_key(&txq->axq_q, keyix);
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
+ int idx = txq->txq_tailidx;
+
+ while (!key_in_use &&
+ !list_empty(&txq->txq_fifo[idx])) {
+ key_in_use = ath9k_txq_list_has_key(
+ &txq->txq_fifo[idx], keyix);
+ INCR(idx, ATH_TXFIFO_DEPTH);
+ }
+ }
+ ath_txq_unlock(sc, txq);
+ }
+
+ return key_in_use;
+}
+
+static void ath9k_pending_key_del(struct ath_softc *sc, u8 keyix)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ if (!test_bit(keyix, ah->pending_del_keymap) ||
+ ath9k_txq_has_key(sc, keyix))
+ return;
+
+ /* No more TXQ frames point to this key cache entry, so delete it. */
+ clear_bit(keyix, ah->pending_del_keymap);
+ ath_key_delete(common, keyix);
+}
+
static void ath9k_stop(struct ieee80211_hw *hw)
{
struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
bool prev_idle;
+ int i;
ath9k_deinit_channel_context(sc);
@@ -896,6 +964,14 @@ static void ath9k_stop(struct ieee80211_hw *hw)
spin_unlock_bh(&sc->sc_pcu_lock);
+ for (i = 0; i < ATH_KEYMAX; i++)
+ ath9k_pending_key_del(sc, i);
+
+ /* Clear key cache entries explicitly to get rid of any potentially
+ * remaining keys.
+ */
+ ath9k_cmn_init_crypto(sc->sc_ah);
+
ath9k_ps_restore(sc);
sc->ps_idle = prev_idle;
@@ -1541,12 +1617,11 @@ static void ath9k_del_ps_key(struct ath_softc *sc,
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_node *an = (struct ath_node *) sta->drv_priv;
- struct ieee80211_key_conf ps_key = { .hw_key_idx = an->ps_key };
if (!an->ps_key)
return;
- ath_key_delete(common, &ps_key);
+ ath_key_delete(common, an->ps_key);
an->ps_key = 0;
an->key_idx[0] = 0;
}
@@ -1708,6 +1783,12 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
if (sta)
an = (struct ath_node *)sta->drv_priv;
+ /* Delete pending key cache entries if no more frames are pointing to
+ * them in TXQs.
+ */
+ for (i = 0; i < ATH_KEYMAX; i++)
+ ath9k_pending_key_del(sc, i);
+
switch (cmd) {
case SET_KEY:
if (sta)
@@ -1737,7 +1818,15 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
}
break;
case DISABLE_KEY:
- ath_key_delete(common, key);
+ if (ath9k_txq_has_key(sc, key->hw_key_idx)) {
+ /* Delay key cache entry deletion until there are no
+ * remaining TXQ frames pointing to this entry.
+ */
+ set_bit(key->hw_key_idx, sc->sc_ah->pending_del_keymap);
+ ath_hw_keysetmac(common, key->hw_key_idx, NULL);
+ } else {
+ ath_key_delete(common, key->hw_key_idx);
+ }
if (an) {
for (i = 0; i < ARRAY_SIZE(an->key_idx); i++) {
if (an->key_idx[i] != key->hw_key_idx)
diff --git a/drivers/net/wireless/ath/key.c b/drivers/net/wireless/ath/key.c
index 1816b4e7dc26..61b59a804e30 100644
--- a/drivers/net/wireless/ath/key.c
+++ b/drivers/net/wireless/ath/key.c
@@ -84,8 +84,7 @@ bool ath_hw_keyreset(struct ath_common *common, u16 entry)
}
EXPORT_SYMBOL(ath_hw_keyreset);
-static bool ath_hw_keysetmac(struct ath_common *common,
- u16 entry, const u8 *mac)
+bool ath_hw_keysetmac(struct ath_common *common, u16 entry, const u8 *mac)
{
u32 macHi, macLo;
u32 unicast_flag = AR_KEYTABLE_VALID;
@@ -125,6 +124,7 @@ static bool ath_hw_keysetmac(struct ath_common *common,
return true;
}
+EXPORT_SYMBOL(ath_hw_keysetmac);
static bool ath_hw_set_keycache_entry(struct ath_common *common, u16 entry,
const struct ath_keyval *k,
@@ -581,29 +581,38 @@ EXPORT_SYMBOL(ath_key_config);
/*
* Delete Key.
*/
-void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf *key)
+void ath_key_delete(struct ath_common *common, u8 hw_key_idx)
{
- ath_hw_keyreset(common, key->hw_key_idx);
- if (key->hw_key_idx < IEEE80211_WEP_NKID)
+ /* Leave CCMP and TKIP (main key) configured to avoid disabling
+ * encryption for potentially pending frames already in a TXQ with the
+ * keyix pointing to this key entry. Instead, only clear the MAC address
+ * to prevent RX processing from using this key cache entry.
+ */
+ if (test_bit(hw_key_idx, common->ccmp_keymap) ||
+ test_bit(hw_key_idx, common->tkip_keymap))
+ ath_hw_keysetmac(common, hw_key_idx, NULL);
+ else
+ ath_hw_keyreset(common, hw_key_idx);
+ if (hw_key_idx < IEEE80211_WEP_NKID)
return;
- clear_bit(key->hw_key_idx, common->keymap);
- clear_bit(key->hw_key_idx, common->ccmp_keymap);
- if (key->cipher != WLAN_CIPHER_SUITE_TKIP)
+ clear_bit(hw_key_idx, common->keymap);
+ clear_bit(hw_key_idx, common->ccmp_keymap);
+ if (!test_bit(hw_key_idx, common->tkip_keymap))
return;
- clear_bit(key->hw_key_idx + 64, common->keymap);
+ clear_bit(hw_key_idx + 64, common->keymap);
- clear_bit(key->hw_key_idx, common->tkip_keymap);
- clear_bit(key->hw_key_idx + 64, common->tkip_keymap);
+ clear_bit(hw_key_idx, common->tkip_keymap);
+ clear_bit(hw_key_idx + 64, common->tkip_keymap);
if (!(common->crypt_caps & ATH_CRYPT_CAP_MIC_COMBINED)) {
- ath_hw_keyreset(common, key->hw_key_idx + 32);
- clear_bit(key->hw_key_idx + 32, common->keymap);
- clear_bit(key->hw_key_idx + 64 + 32, common->keymap);
+ ath_hw_keyreset(common, hw_key_idx + 32);
+ clear_bit(hw_key_idx + 32, common->keymap);
+ clear_bit(hw_key_idx + 64 + 32, common->keymap);
- clear_bit(key->hw_key_idx + 32, common->tkip_keymap);
- clear_bit(key->hw_key_idx + 64 + 32, common->tkip_keymap);
+ clear_bit(hw_key_idx + 32, common->tkip_keymap);
+ clear_bit(hw_key_idx + 64 + 32, common->tkip_keymap);
}
}
EXPORT_SYMBOL(ath_key_delete);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 6c1b936a94fa..0241f0dcc093 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1905,6 +1905,7 @@ static void quirk_ryzen_xhci_d3hot(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x15e0, quirk_ryzen_xhci_d3hot);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x15e1, quirk_ryzen_xhci_d3hot);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x1639, quirk_ryzen_xhci_d3hot);
#ifdef CONFIG_X86_IO_APIC
static int dmi_disable_ioapicreroute(const struct dmi_system_id *d)
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 0517272a268e..9fb6f7643ea9 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -92,7 +92,8 @@ config DP83640_PHY
config PTP_1588_CLOCK_PCH
tristate "Intel PCH EG20T as PTP clock"
depends on X86_32 || COMPILE_TEST
- depends on HAS_IOMEM && NET
+ depends on HAS_IOMEM && PCI
+ depends on NET
imply PTP_1588_CLOCK
help
This driver adds support for using the PCH EG20T as a PTP
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 5efc959493ec..85a71bafaea7 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -453,8 +453,8 @@ static int initialize_controller(struct scsi_device *sdev,
if (!h->ctlr)
err = SCSI_DH_RES_TEMP_UNAVAIL;
else {
- list_add_rcu(&h->node, &h->ctlr->dh_list);
h->sdev = sdev;
+ list_add_rcu(&h->node, &h->ctlr->dh_list);
}
spin_unlock(&list_lock);
err = SCSI_DH_OK;
@@ -778,11 +778,11 @@ static void rdac_bus_detach( struct scsi_device *sdev )
spin_lock(&list_lock);
if (h->ctlr) {
list_del_rcu(&h->node);
- h->sdev = NULL;
kref_put(&h->ctlr->kref, release_controller);
}
spin_unlock(&list_lock);
sdev->handler_data = NULL;
+ synchronize_rcu();
kfree(h);
}
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 59cca898f088..fcfbf3343b64 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -246,7 +246,7 @@ mraid_mm_get_adapter(mimd_t __user *umimd, int *rval)
mimd_t mimd;
uint32_t adapno;
int iterator;
-
+ bool is_found;
if (copy_from_user(&mimd, umimd, sizeof(mimd_t))) {
*rval = -EFAULT;
@@ -262,12 +262,16 @@ mraid_mm_get_adapter(mimd_t __user *umimd, int *rval)
adapter = NULL;
iterator = 0;
+ is_found = false;
list_for_each_entry(adapter, &adapters_list_g, list) {
- if (iterator++ == adapno) break;
+ if (iterator++ == adapno) {
+ is_found = true;
+ break;
+ }
}
- if (!adapter) {
+ if (!is_found) {
*rval = -ENODEV;
return NULL;
}
@@ -733,6 +737,7 @@ ioctl_done(uioc_t *kioc)
uint32_t adapno;
int iterator;
mraid_mmadp_t* adapter;
+ bool is_found;
/*
* When the kioc returns from driver, make sure it still doesn't
@@ -755,19 +760,23 @@ ioctl_done(uioc_t *kioc)
iterator = 0;
adapter = NULL;
adapno = kioc->adapno;
+ is_found = false;
con_log(CL_ANN, ( KERN_WARNING "megaraid cmm: completed "
"ioctl that was timedout before\n"));
list_for_each_entry(adapter, &adapters_list_g, list) {
- if (iterator++ == adapno) break;
+ if (iterator++ == adapno) {
+ is_found = true;
+ break;
+ }
}
kioc->timedout = 0;
- if (adapter) {
+ if (is_found)
mraid_mm_dealloc_kioc( adapter, kioc );
- }
+
}
else {
wake_up(&wait_q);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 79232cef1af1..3fd109fd9335 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -454,7 +454,8 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
error = shost->hostt->target_alloc(starget);
if(error) {
- dev_printk(KERN_ERR, dev, "target allocation failed, error %d\n", error);
+ if (error != -ENXIO)
+ dev_err(dev, "target allocation failed, error %d\n", error);
/* don't want scsi_target_reap to do the final
* put because it will be under the host lock */
scsi_target_destroy(starget);
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 6d7362e7367e..11592ec7b23e 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -787,11 +787,14 @@ store_state_field(struct device *dev, struct device_attribute *attr,
mutex_lock(&sdev->state_mutex);
ret = scsi_device_set_state(sdev, state);
/*
- * If the device state changes to SDEV_RUNNING, we need to run
- * the queue to avoid I/O hang.
+ * If the device state changes to SDEV_RUNNING, we need to
+ * rescan the device to revalidate it, and run the queue to
+ * avoid I/O hang.
*/
- if (ret == 0 && state == SDEV_RUNNING)
+ if (ret == 0 && state == SDEV_RUNNING) {
+ scsi_rescan_device(dev);
blk_mq_run_hw_queues(sdev->request_queue, true);
+ }
mutex_unlock(&sdev->state_mutex);
return ret == 0 ? count : -EINVAL;
diff --git a/drivers/slimbus/messaging.c b/drivers/slimbus/messaging.c
index d5879142dbef..ddf0371ad52b 100644
--- a/drivers/slimbus/messaging.c
+++ b/drivers/slimbus/messaging.c
@@ -66,7 +66,7 @@ int slim_alloc_txn_tid(struct slim_controller *ctrl, struct slim_msg_txn *txn)
int ret = 0;
spin_lock_irqsave(&ctrl->txn_lock, flags);
- ret = idr_alloc_cyclic(&ctrl->tid_idr, txn, 0,
+ ret = idr_alloc_cyclic(&ctrl->tid_idr, txn, 1,
SLIM_MAX_TIDS, GFP_ATOMIC);
if (ret < 0) {
spin_unlock_irqrestore(&ctrl->txn_lock, flags);
@@ -131,7 +131,8 @@ int slim_do_transfer(struct slim_controller *ctrl, struct slim_msg_txn *txn)
goto slim_xfer_err;
}
}
-
+ /* Initialize tid to invalid value */
+ txn->tid = 0;
need_tid = slim_tid_txn(txn->mt, txn->mc);
if (need_tid) {
@@ -163,7 +164,7 @@ int slim_do_transfer(struct slim_controller *ctrl, struct slim_msg_txn *txn)
txn->mt, txn->mc, txn->la, ret);
slim_xfer_err:
- if (!clk_pause_msg && (!need_tid || ret == -ETIMEDOUT)) {
+ if (!clk_pause_msg && (txn->tid == 0 || ret == -ETIMEDOUT)) {
/*
* remove runtime-pm vote if this was TX only, or
* if there was error during this transaction
diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index b60541c3f72d..09ecd1fb24ae 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -1061,7 +1061,8 @@ static void qcom_slim_ngd_setup(struct qcom_slim_ngd_ctrl *ctrl)
{
u32 cfg = readl_relaxed(ctrl->ngd->base);
- if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN)
+ if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN ||
+ ctrl->state == QCOM_SLIM_NGD_CTRL_ASLEEP)
qcom_slim_ngd_init_dma(ctrl);
/* By default enable message queues */
@@ -1112,6 +1113,7 @@ static int qcom_slim_ngd_power_up(struct qcom_slim_ngd_ctrl *ctrl)
dev_info(ctrl->dev, "Subsys restart: ADSP active framer\n");
return 0;
}
+ qcom_slim_ngd_setup(ctrl);
return 0;
}
@@ -1500,6 +1502,7 @@ static int __maybe_unused qcom_slim_ngd_runtime_suspend(struct device *dev)
struct qcom_slim_ngd_ctrl *ctrl = dev_get_drvdata(dev);
int ret = 0;
+ qcom_slim_ngd_exit_dma(ctrl);
if (!ctrl->qmi.handle)
return 0;
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 041c68ea329f..7ca908704777 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -647,6 +647,9 @@ int usb_get_descriptor(struct usb_device *dev, unsigned char type,
int i;
int result;
+ if (size <= 0) /* No point in asking for no data */
+ return -EINVAL;
+
memset(buf, 0, size); /* Make sure we parse really received data */
for (i = 0; i < 3; ++i) {
@@ -695,6 +698,9 @@ static int usb_get_string(struct usb_device *dev, unsigned short langid,
int i;
int result;
+ if (size <= 0) /* No point in asking for no data */
+ return -EINVAL;
+
for (i = 0; i < 3; ++i) {
/* retry on length 0 or stall; some devices are flakey */
result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index a279ecacbf60..97be299f0a8d 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -702,10 +702,16 @@ static bool log_access_ok(void __user *log_base, u64 addr, unsigned long sz)
(sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8);
}
+/* Make sure 64 bit math will not overflow. */
static bool vhost_overflow(u64 uaddr, u64 size)
{
- /* Make sure 64 bit math will not overflow. */
- return uaddr > ULONG_MAX || size > ULONG_MAX || uaddr > ULONG_MAX - size;
+ if (uaddr > ULONG_MAX || size > ULONG_MAX)
+ return true;
+
+ if (!size)
+ return false;
+
+ return uaddr > ULONG_MAX - size + 1;
}
/* Caller should have vq mutex and device mutex. */
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index a977e32a88f2..59a05f1b8105 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -342,6 +342,7 @@ int register_virtio_device(struct virtio_device *dev)
virtio_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE);
INIT_LIST_HEAD(&dev->vqs);
+ spin_lock_init(&dev->vqs_list_lock);
/*
* device_add() causes the bus infrastructure to look for a matching
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 97e8a195e18f..f6011c9ed32f 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -1668,7 +1668,9 @@ static struct virtqueue *vring_create_virtqueue_packed(
cpu_to_le16(vq->packed.event_flags_shadow);
}
+ spin_lock(&vdev->vqs_list_lock);
list_add_tail(&vq->vq.list, &vdev->vqs);
+ spin_unlock(&vdev->vqs_list_lock);
return &vq->vq;
err_desc_extra:
@@ -2126,7 +2128,9 @@ struct virtqueue *__vring_new_virtqueue(unsigned int index,
memset(vq->split.desc_state, 0, vring.num *
sizeof(struct vring_desc_state_split));
+ spin_lock(&vdev->vqs_list_lock);
list_add_tail(&vq->vq.list, &vdev->vqs);
+ spin_unlock(&vdev->vqs_list_lock);
return &vq->vq;
}
EXPORT_SYMBOL_GPL(__vring_new_virtqueue);
@@ -2210,7 +2214,9 @@ void vring_del_virtqueue(struct virtqueue *_vq)
}
if (!vq->packed_ring)
kfree(vq->split.desc_state);
+ spin_lock(&vq->vq.vdev->vqs_list_lock);
list_del(&_vq->list);
+ spin_unlock(&vq->vq.vdev->vqs_list_lock);
kfree(vq);
}
EXPORT_SYMBOL_GPL(vring_del_virtqueue);
@@ -2274,10 +2280,12 @@ void virtio_break_device(struct virtio_device *dev)
{
struct virtqueue *_vq;
+ spin_lock(&dev->vqs_list_lock);
list_for_each_entry(_vq, &dev->vqs, list) {
struct vring_virtqueue *vq = to_vvq(_vq);
vq->broken = true;
}
+ spin_unlock(&dev->vqs_list_lock);
}
EXPORT_SYMBOL_GPL(virtio_break_device);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index b044b1d910de..54b607a3cc3f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9702,8 +9702,14 @@ static int btrfs_rename_exchange(struct inode *old_dir,
bool root_log_pinned = false;
bool dest_log_pinned = false;
- /* we only allow rename subvolume link between subvolumes */
- if (old_ino != BTRFS_FIRST_FREE_OBJECTID && root != dest)
+ /*
+ * For non-subvolumes allow exchange only within one subvolume, in the
+ * same inode namespace. Two subvolumes (represented as directory) can
+ * be exchanged as they're a logical link and have a fixed inode number.
+ */
+ if (root != dest &&
+ (old_ino != BTRFS_FIRST_FREE_OBJECTID ||
+ new_ino != BTRFS_FIRST_FREE_OBJECTID))
return -EXDEV;
/* close the race window with snapshot create/destroy ioctl */
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index bf3eaa903033..ae2cb15d9540 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -718,7 +718,7 @@ enum {
#define EXT4_MAX_BLOCK_FILE_PHYS 0xFFFFFFFF
/* Max logical block we can support */
-#define EXT4_MAX_LOGICAL_BLOCK 0xFFFFFFFF
+#define EXT4_MAX_LOGICAL_BLOCK 0xFFFFFFFE
/*
* Structure of an inode on the disk
diff --git a/fs/namespace.c b/fs/namespace.c
index a092611d89e7..5782cd55dfdb 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1647,8 +1647,12 @@ static inline bool may_mount(void)
}
#ifdef CONFIG_MANDATORY_FILE_LOCKING
-static inline bool may_mandlock(void)
+static bool may_mandlock(void)
{
+ pr_warn_once("======================================================\n"
+ "WARNING: the mand mount option is being deprecated and\n"
+ " will be removed in v5.15!\n"
+ "======================================================\n");
return capable(CAP_SYS_ADMIN);
}
#else
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index 7a08a576f7b2..ab5e92897270 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -9,6 +9,9 @@
#include <linux/xattr.h>
#include <linux/uio.h>
#include <linux/uaccess.h>
+#include <linux/splice.h>
+#include <linux/mm.h>
+#include <linux/fs.h>
#include "overlayfs.h"
static char ovl_whatisit(struct inode *inode, struct inode *realinode)
@@ -293,6 +296,48 @@ out_unlock:
return ret;
}
+static ssize_t ovl_splice_read(struct file *in, loff_t *ppos,
+ struct pipe_inode_info *pipe, size_t len,
+ unsigned int flags)
+{
+ ssize_t ret;
+ struct fd real;
+ const struct cred *old_cred;
+
+ ret = ovl_real_fdget(in, &real);
+ if (ret)
+ return ret;
+
+ old_cred = ovl_override_creds(file_inode(in)->i_sb);
+ ret = generic_file_splice_read(real.file, ppos, pipe, len, flags);
+ revert_creds(old_cred);
+
+ ovl_file_accessed(in);
+ fdput(real);
+ return ret;
+}
+
+static ssize_t
+ovl_splice_write(struct pipe_inode_info *pipe, struct file *out,
+ loff_t *ppos, size_t len, unsigned int flags)
+{
+ struct fd real;
+ const struct cred *old_cred;
+ ssize_t ret;
+
+ ret = ovl_real_fdget(out, &real);
+ if (ret)
+ return ret;
+
+ old_cred = ovl_override_creds(file_inode(out)->i_sb);
+ ret = iter_file_splice_write(pipe, real.file, ppos, len, flags);
+ revert_creds(old_cred);
+
+ ovl_file_accessed(out);
+ fdput(real);
+ return ret;
+}
+
static int ovl_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
struct fd real;
@@ -649,6 +694,8 @@ const struct file_operations ovl_file_operations = {
.fadvise = ovl_fadvise,
.unlocked_ioctl = ovl_ioctl,
.compat_ioctl = ovl_compat_ioctl,
+ .splice_read = ovl_splice_read,
+ .splice_write = ovl_splice_write,
.copy_file_range = ovl_copy_file_range,
.remap_file_range = ovl_remap_file_range,
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index fb5b2a41bd45..b6d0b68f5503 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -356,17 +356,54 @@ static inline bool mem_cgroup_disabled(void)
return !cgroup_subsys_enabled(memory_cgrp_subsys);
}
-static inline unsigned long mem_cgroup_protection(struct mem_cgroup *memcg,
- bool in_low_reclaim)
+static inline void mem_cgroup_protection(struct mem_cgroup *root,
+ struct mem_cgroup *memcg,
+ unsigned long *min,
+ unsigned long *low)
{
+ *min = *low = 0;
+
if (mem_cgroup_disabled())
- return 0;
+ return;
- if (in_low_reclaim)
- return READ_ONCE(memcg->memory.emin);
+ /*
+ * There is no reclaim protection applied to a targeted reclaim.
+ * We are special casing this specific case here because
+ * mem_cgroup_protected calculation is not robust enough to keep
+ * the protection invariant for calculated effective values for
+ * parallel reclaimers with different reclaim target. This is
+ * especially a problem for tail memcgs (as they have pages on LRU)
+ * which would want to have effective values 0 for targeted reclaim
+ * but a different value for external reclaim.
+ *
+ * Example
+ * Let's have global and A's reclaim in parallel:
+ * |
+ * A (low=2G, usage = 3G, max = 3G, children_low_usage = 1.5G)
+ * |\
+ * | C (low = 1G, usage = 2.5G)
+ * B (low = 1G, usage = 0.5G)
+ *
+ * For the global reclaim
+ * A.elow = A.low
+ * B.elow = min(B.usage, B.low) because children_low_usage <= A.elow
+ * C.elow = min(C.usage, C.low)
+ *
+ * With the effective values resetting we have A reclaim
+ * A.elow = 0
+ * B.elow = B.low
+ * C.elow = C.low
+ *
+ * If the global reclaim races with A's reclaim then
+ * B.elow = C.elow = 0 because children_low_usage > A.elow)
+ * is possible and reclaiming B would be violating the protection.
+ *
+ */
+ if (root == memcg)
+ return;
- return max(READ_ONCE(memcg->memory.emin),
- READ_ONCE(memcg->memory.elow));
+ *min = READ_ONCE(memcg->memory.emin);
+ *low = READ_ONCE(memcg->memory.elow);
}
enum mem_cgroup_protection mem_cgroup_protected(struct mem_cgroup *root,
@@ -847,10 +884,12 @@ static inline void memcg_memory_event_mm(struct mm_struct *mm,
{
}
-static inline unsigned long mem_cgroup_protection(struct mem_cgroup *memcg,
- bool in_low_reclaim)
+static inline void mem_cgroup_protection(struct mem_cgroup *root,
+ struct mem_cgroup *memcg,
+ unsigned long *min,
+ unsigned long *low)
{
- return 0;
+ *min = *low = 0;
}
static inline enum mem_cgroup_protection mem_cgroup_protected(
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 15f906e4a748..7c075463c7f2 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -111,6 +111,7 @@ struct virtio_device {
bool config_enabled;
bool config_change_pending;
spinlock_t config_lock;
+ spinlock_t vqs_list_lock; /* Protects VQs list access */
struct device dev;
struct virtio_device_id id;
const struct virtio_config_ops *config;
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 52c2b11a0b47..0b5a446ee59c 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -8586,6 +8586,7 @@ static void sanitize_dead_code(struct bpf_verifier_env *env)
if (aux_data[i].seen)
continue;
memcpy(insn + i, &trap, sizeof(trap));
+ aux_data[i].zext_dst = false;
}
}
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index e40712abe089..f63766366e23 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -4291,6 +4291,8 @@ trace_action_create_field_var(struct hist_trigger_data *hist_data,
event = data->match_data.event;
}
+ if (!event)
+ goto free;
/*
* At this point, we're looking at a field on another
* event. Because we can't modify a hist trigger on
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 2701497edda5..6d7fe3589e4a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6446,6 +6446,14 @@ enum mem_cgroup_protection mem_cgroup_protected(struct mem_cgroup *root,
if (!root)
root = root_mem_cgroup;
+
+ /*
+ * Effective values of the reclaim targets are ignored so they
+ * can be stale. Have a look at mem_cgroup_protection for more
+ * details.
+ * TODO: calculation should be more robust so that we do not need
+ * that special casing.
+ */
if (memcg == root)
return MEMCG_PROT_NONE;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 10feb872d9a4..fad9be4703ec 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -89,9 +89,12 @@ struct scan_control {
unsigned int may_swap:1;
/*
- * Cgroups are not reclaimed below their configured memory.low,
- * unless we threaten to OOM. If any cgroups are skipped due to
- * memory.low and nothing was reclaimed, go back for memory.low.
+ * Cgroup memory below memory.low is protected as long as we
+ * don't threaten to OOM. If any cgroup is reclaimed at
+ * reduced force or passed over entirely due to its memory.low
+ * setting (memcg_low_skipped), and nothing is reclaimed as a
+ * result, then go back for one more cycle that reclaims the protected
+ * memory (memcg_low_reclaim) to avert OOM.
*/
unsigned int memcg_low_reclaim:1;
unsigned int memcg_low_skipped:1;
@@ -2458,14 +2461,14 @@ out:
for_each_evictable_lru(lru) {
int file = is_file_lru(lru);
unsigned long lruvec_size;
+ unsigned long low, min;
unsigned long scan;
- unsigned long protection;
lruvec_size = lruvec_lru_size(lruvec, lru, sc->reclaim_idx);
- protection = mem_cgroup_protection(memcg,
- sc->memcg_low_reclaim);
+ mem_cgroup_protection(sc->target_mem_cgroup, memcg,
+ &min, &low);
- if (protection) {
+ if (min || low) {
/*
* Scale a cgroup's reclaim pressure by proportioning
* its current usage to its memory.low or memory.min
@@ -2496,6 +2499,15 @@ out:
* hard protection.
*/
unsigned long cgroup_size = mem_cgroup_size(memcg);
+ unsigned long protection;
+
+ /* memory.low scaling, make sure we retry before OOM */
+ if (!sc->memcg_low_reclaim && low > min) {
+ protection = low;
+ sc->memcg_low_skipped = 1;
+ } else {
+ protection = min;
+ }
/* Avoid TOCTOU with earlier protection check */
cgroup_size = max(cgroup_size, protection);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index bef84b95e2c4..ac98e3b37ab4 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -1290,7 +1290,7 @@ static int hidp_session_thread(void *arg)
/* cleanup runtime environment */
remove_wait_queue(sk_sleep(session->intr_sock->sk), &intr_wait);
- remove_wait_queue(sk_sleep(session->intr_sock->sk), &ctrl_wait);
+ remove_wait_queue(sk_sleep(session->ctrl_sock->sk), &ctrl_wait);
wake_up_interruptible(&session->report_queue);
hidp_del_timer(session);
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 9c3b27c257bb..cb818617699c 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -41,9 +41,9 @@ extern bool dccp_debug;
#define dccp_pr_debug_cat(format, a...) DCCP_PRINTK(dccp_debug, format, ##a)
#define dccp_debug(fmt, a...) dccp_pr_debug_cat(KERN_DEBUG fmt, ##a)
#else
-#define dccp_pr_debug(format, a...)
-#define dccp_pr_debug_cat(format, a...)
-#define dccp_debug(format, a...)
+#define dccp_pr_debug(format, a...) do {} while (0)
+#define dccp_pr_debug_cat(format, a...) do {} while (0)
+#define dccp_debug(format, a...) do {} while (0)
#endif
extern struct inet_hashinfo dccp_hashinfo;
diff --git a/net/netfilter/nft_exthdr.c b/net/netfilter/nft_exthdr.c
index 00f4323cfeb8..faa0844c01fb 100644
--- a/net/netfilter/nft_exthdr.c
+++ b/net/netfilter/nft_exthdr.c
@@ -231,7 +231,6 @@ static void nft_exthdr_tcp_set_eval(const struct nft_expr *expr,
unsigned int i, optl, tcphdr_len, offset;
struct tcphdr *tcph;
u8 *opt;
- u32 src;
tcph = nft_tcp_header_pointer(pkt, sizeof(buff), buff, &tcphdr_len);
if (!tcph)
@@ -240,7 +239,6 @@ static void nft_exthdr_tcp_set_eval(const struct nft_expr *expr,
opt = (u8 *)tcph;
for (i = sizeof(*tcph); i < tcphdr_len - 1; i += optl) {
union {
- u8 octet;
__be16 v16;
__be32 v32;
} old, new;
@@ -262,13 +260,13 @@ static void nft_exthdr_tcp_set_eval(const struct nft_expr *expr,
if (!tcph)
return;
- src = regs->data[priv->sreg];
offset = i + priv->offset;
switch (priv->len) {
case 2:
old.v16 = get_unaligned((u16 *)(opt + offset));
- new.v16 = src;
+ new.v16 = (__force __be16)nft_reg_load16(
+ ®s->data[priv->sreg]);
switch (priv->type) {
case TCPOPT_MSS:
@@ -286,7 +284,7 @@ static void nft_exthdr_tcp_set_eval(const struct nft_expr *expr,
old.v16, new.v16, false);
break;
case 4:
- new.v32 = src;
+ new.v32 = regs->data[priv->sreg];
old.v32 = get_unaligned((u32 *)(opt + offset));
if (old.v32 == new.v32)
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 3fc38d16c456..19af0efeb8dc 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -499,6 +499,7 @@ void ovs_vport_send(struct vport *vport, struct sk_buff *skb, u8 mac_proto)
}
skb->dev = vport->dev;
+ skb->tstamp = 0;
vport->ops->send(skb);
return;
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 7ac3f04ca8c0..e92fcb150e57 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -3458,7 +3458,7 @@ static int cap_put_caller(struct snd_kcontrol *kcontrol,
struct hda_gen_spec *spec = codec->spec;
const struct hda_input_mux *imux;
struct nid_path *path;
- int i, adc_idx, err = 0;
+ int i, adc_idx, ret, err = 0;
imux = &spec->input_mux;
adc_idx = kcontrol->id.index;
@@ -3468,9 +3468,13 @@ static int cap_put_caller(struct snd_kcontrol *kcontrol,
if (!path || !path->ctls[type])
continue;
kcontrol->private_value = path->ctls[type];
- err = func(kcontrol, ucontrol);
- if (err < 0)
+ ret = func(kcontrol, ucontrol);
+ if (ret < 0) {
+ err = ret;
break;
+ }
+ if (ret > 0)
+ err = 1;
}
mutex_unlock(&codec->control_mutex);
if (err >= 0 && spec->cap_sync_hook)
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 216e88624c5f..7d59846808b5 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -127,7 +127,7 @@ static void sst_fill_alloc_params(struct snd_pcm_substream *substream,
snd_pcm_uframes_t period_size;
ssize_t periodbytes;
ssize_t buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
- u32 buffer_addr = substream->runtime->dma_addr;
+ u32 buffer_addr = virt_to_phys(substream->runtime->dma_area);
channels = substream->runtime->channels;
period_size = substream->runtime->period_size;
^ permalink raw reply related [flat|nested] 2+ messages in thread