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* Linux 4.9.251
@ 2021-01-12 19:21 Greg Kroah-Hartman
  2021-01-12 19:21 ` Greg Kroah-Hartman
  0 siblings, 1 reply; 2+ messages in thread
From: Greg Kroah-Hartman @ 2021-01-12 19:21 UTC (permalink / raw)
  To: linux-kernel, akpm, torvalds, stable; +Cc: lwn, jslaby, Greg Kroah-Hartman

I'm announcing the release of the 4.9.251 kernel.

All users of the 4.9 kernel series must upgrade.

The updated 4.9.y git tree can be found at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.9.y
and can be browsed at the normal kernel.org git web browser:
	https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary

thanks,

greg k-h

------------

 Makefile                                         |    4 -
 arch/x86/kernel/cpu/mtrr/generic.c               |    6 +-
 arch/x86/mm/pgtable.c                            |    2 
 drivers/atm/idt77252.c                           |    2 
 drivers/base/core.c                              |    2 
 drivers/net/ethernet/ethoc.c                     |    3 -
 drivers/net/ethernet/freescale/ucc_geth.c        |    2 
 drivers/net/ethernet/hisilicon/hns/hns_ethtool.c |    4 +
 drivers/net/usb/cdc_ncm.c                        |    3 -
 drivers/net/virtio_net.c                         |   12 ++--
 drivers/net/wan/hdlc_ppp.c                       |    7 ++
 drivers/usb/chipidea/ci_hdrc_imx.c               |    6 +-
 drivers/usb/class/cdc-acm.c                      |    4 +
 drivers/usb/class/usblp.c                        |   21 ++++++-
 drivers/usb/gadget/Kconfig                       |    2 
 drivers/usb/gadget/composite.c                   |   10 ++-
 drivers/usb/gadget/configfs.c                    |   19 ++++--
 drivers/usb/gadget/function/f_printer.c          |    1 
 drivers/usb/gadget/function/f_uac2.c             |   69 ++++++++++++++++++-----
 drivers/usb/gadget/legacy/acm_ms.c               |    4 +
 drivers/usb/host/xhci.c                          |   24 ++++----
 drivers/usb/misc/yurex.c                         |    3 +
 drivers/usb/serial/iuu_phoenix.c                 |   20 +++++-
 drivers/usb/serial/keyspan_pda.c                 |    2 
 drivers/usb/serial/option.c                      |    1 
 drivers/usb/storage/unusual_uas.h                |    7 ++
 drivers/vhost/net.c                              |    6 +-
 drivers/video/fbdev/hyperv_fb.c                  |    6 --
 include/net/red.h                                |    4 +
 kernel/workqueue.c                               |   13 +++-
 lib/genalloc.c                                   |   25 ++++----
 net/ipv4/fib_frontend.c                          |    2 
 net/ncsi/ncsi-rsp.c                              |    2 
 net/netfilter/ipset/ip_set_hash_gen.h            |   20 +-----
 net/netfilter/xt_RATEEST.c                       |    3 +
 net/sched/sch_choke.c                            |    2 
 net/sched/sch_gred.c                             |    2 
 net/sched/sch_red.c                              |    2 
 net/sched/sch_sfq.c                              |    2 
 scripts/depmod.sh                                |    2 
 scripts/gdb/linux/dmesg.py                       |   22 +++++--
 scripts/gdb/linux/proc.py                        |    2 
 sound/pci/hda/patch_conexant.c                   |    1 
 sound/usb/midi.c                                 |    4 +
 44 files changed, 246 insertions(+), 114 deletions(-)

André Draszik (1):
      scripts/gdb: make lx-dmesg command work (reliably)

Arnd Bergmann (1):
      usb: gadget: select CONFIG_CRC32

Bard Liao (1):
      Revert "device property: Keep secondary firmware node secondary by type"

Chandana Kishori Chiluveru (1):
      usb: gadget: configfs: Preserve function ordering after bind failure

Dan Carpenter (1):
      atm: idt77252: call pci_disable_device() on error path

Dan Williams (1):
      x86/mm: Fix leak of pmd ptlock

Daniel Palmer (1):
      USB: serial: option: add LongSung M5710 module support

Dexuan Cui (1):
      video: hyperv_fb: Fix the mmap() regression for v5.4.y and older

Dinghao Liu (1):
      net: ethernet: Fix memleak in ethoc_probe

Dominique Martinet (1):
      kbuild: don't hardcode depmod path

Du Changbin (1):
      scripts/gdb: fix lx-version string output

Eddie Hung (1):
      usb: gadget: configfs: Fix use-after-free issue with udc_name

Florian Westphal (1):
      netfilter: xt_RATEEST: reject non-null terminated string from userspace

Greg Kroah-Hartman (1):
      Linux 4.9.251

Guillaume Nault (1):
      ipv4: Ignore ECN bits for fib lookups in fib_compute_spec_dst()

Huang Shijie (1):
      lib/genalloc: fix the overflow when size is too big

Jeff Dike (1):
      virtio_net: Fix recursive call to cpus_read_lock()

Jerome Brunet (1):
      usb: gadget: f_uac2: reset wMaxPacketSize

Johan Hovold (4):
      USB: serial: iuu_phoenix: fix DMA from stack
      USB: yurex: fix control-URB timeout handling
      USB: usblp: fix DMA to stack
      USB: serial: keyspan_pda: remove unused variable

John Wang (1):
      net/ncsi: Use real net-device for response handler

Leonard Crestez (2):
      scripts/gdb: lx-dmesg: cast log_buf to void* for addr fetch
      scripts/gdb: lx-dmesg: use explicit encoding=utf8 errors=replace

Linus Torvalds (1):
      depmod: handle the case of /sbin/depmod without /sbin in PATH

Michael Grzeschik (1):
      USB: xhci: fix U1/U2 handling for hardware with XHCI_INTEL_HOST quirk set

Randy Dunlap (1):
      net: sched: prevent invalid Scell_log shift count

Rasmus Villemoes (1):
      ethernet: ucc_geth: fix use-after-free in ucc_geth_remove()

Roland Dreier (1):
      CDC-NCM: remove "connected" log message

Sean Young (1):
      USB: cdc-acm: blacklist another IR Droid device

Sriharsha Allenki (1):
      usb: gadget: Fix spinlock lockup on usb_function_deactivate

Takashi Iwai (1):
      ALSA: usb-audio: Fix UBSAN warnings for MIDI jacks

Thinh Nguyen (1):
      usb: uas: Add PNY USB Portable SSD to unusual_uas

Vasily Averin (1):
      netfilter: ipset: fix shift-out-of-bounds in htable_bits()

Xie He (1):
      net: hdlc_ppp: Fix issues when mod_timer is called while timer is running

Yang Yingliang (1):
      USB: gadget: legacy: fix return error code in acm_ms_bind()

Ying-Tsun Huang (1):
      x86/mtrr: Correct the range check before performing MTRR type lookups

Yu Kuai (1):
      usb: chipidea: ci_hdrc_imx: add missing put_device() call in usbmisc_get_init_data()

Yunfeng Ye (1):
      workqueue: Kick a worker based on the actual activation of delayed works

Yunjian Wang (2):
      net: hns: fix return value check in __lb_other_process()
      vhost_net: fix ubuf refcount incorrectly when sendmsg fails

Zqiang (1):
      usb: gadget: function: printer: Fix a memory leak for interface descriptor

bo liu (1):
      ALSA: hda/conexant: add a new hda codec CX11970

taehyun.cho (1):
      usb: gadget: enable super speed plus


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: Linux 4.9.251
  2021-01-12 19:21 Linux 4.9.251 Greg Kroah-Hartman
@ 2021-01-12 19:21 ` Greg Kroah-Hartman
  0 siblings, 0 replies; 2+ messages in thread
From: Greg Kroah-Hartman @ 2021-01-12 19:21 UTC (permalink / raw)
  To: linux-kernel, akpm, torvalds, stable; +Cc: lwn, jslaby, Greg Kroah-Hartman

diff --git a/Makefile b/Makefile
index 525d7ec7249d..8ebbb60f2078 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 9
-SUBLEVEL = 250
+SUBLEVEL = 251
 EXTRAVERSION =
 NAME = Roaring Lionus
 
@@ -349,7 +349,7 @@ OBJDUMP		= $(CROSS_COMPILE)objdump
 AWK		= awk
 GENKSYMS	= scripts/genksyms/genksyms
 INSTALLKERNEL  := installkernel
-DEPMOD		= /sbin/depmod
+DEPMOD		= depmod
 PERL		= perl
 PYTHON		= python
 CHECK		= sparse
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index e12ee86906c6..9436f3452049 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -166,9 +166,6 @@ static u8 mtrr_type_lookup_variable(u64 start, u64 end, u64 *partial_end,
 	*repeat = 0;
 	*uniform = 1;
 
-	/* Make end inclusive instead of exclusive */
-	end--;
-
 	prev_match = MTRR_TYPE_INVALID;
 	for (i = 0; i < num_var_ranges; ++i) {
 		unsigned short start_state, end_state, inclusive;
@@ -260,6 +257,9 @@ u8 mtrr_type_lookup(u64 start, u64 end, u8 *uniform)
 	int repeat;
 	u64 partial_end;
 
+	/* Make end inclusive instead of exclusive */
+	end--;
+
 	if (!mtrr_state_set)
 		return MTRR_TYPE_INVALID;
 
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 08e0380414a9..b68b102f6774 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -697,6 +697,8 @@ int pud_free_pmd_page(pud_t *pud, unsigned long addr)
 	}
 
 	free_page((unsigned long)pmd_sv);
+
+	pgtable_pmd_page_dtor(virt_to_page(pmd));
 	free_page((unsigned long)pmd);
 
 	return 1;
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 074616b39f4d..89adb49e435e 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -3615,7 +3615,7 @@ static int idt77252_init_one(struct pci_dev *pcidev,
 
 	if ((err = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(32)))) {
 		printk("idt77252: can't enable DMA for PCI device at %s\n", pci_name(pcidev));
-		return err;
+		goto err_out_disable_pdev;
 	}
 
 	card = kzalloc(sizeof(struct idt77252_dev), GFP_KERNEL);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index ec5cc5d98a3e..3b8487e28c84 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2364,7 +2364,7 @@ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode)
 		if (fwnode_is_primary(fn)) {
 			dev->fwnode = fn->secondary;
 			if (!(parent && fn == parent->fwnode))
-				fn->secondary = ERR_PTR(-ENODEV);
+				fn->secondary = NULL;
 		} else {
 			dev->fwnode = NULL;
 		}
diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c
index e31199f3048c..0d3b159f4c56 100644
--- a/drivers/net/ethernet/ethoc.c
+++ b/drivers/net/ethernet/ethoc.c
@@ -1190,7 +1190,7 @@ static int ethoc_probe(struct platform_device *pdev)
 	ret = mdiobus_register(priv->mdio);
 	if (ret) {
 		dev_err(&netdev->dev, "failed to register MDIO bus\n");
-		goto free2;
+		goto free3;
 	}
 
 	ret = ethoc_mdio_probe(netdev);
@@ -1222,6 +1222,7 @@ static int ethoc_probe(struct platform_device *pdev)
 	netif_napi_del(&priv->napi);
 error:
 	mdiobus_unregister(priv->mdio);
+free3:
 	mdiobus_free(priv->mdio);
 free2:
 	if (priv->clk)
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index af922bac19ae..cdef919d5b75 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -3939,12 +3939,12 @@ static int ucc_geth_remove(struct platform_device* ofdev)
 	struct device_node *np = ofdev->dev.of_node;
 
 	unregister_netdev(dev);
-	free_netdev(dev);
 	ucc_geth_memclean(ugeth);
 	if (of_phy_is_fixed_link(np))
 		of_phy_deregister_fixed_link(np);
 	of_node_put(ugeth->ug_info->tbi_node);
 	of_node_put(ugeth->ug_info->phy_node);
+	free_netdev(dev);
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index f38848c4f69d..62143ccfd5fb 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -447,6 +447,10 @@ static void __lb_other_process(struct hns_nic_ring_data *ring_data,
 	/* for mutl buffer*/
 	new_skb = skb_copy(skb, GFP_ATOMIC);
 	dev_kfree_skb_any(skb);
+	if (!new_skb) {
+		netdev_err(ndev, "skb alloc failed\n");
+		return;
+	}
 	skb = new_skb;
 
 	check_ok = 0;
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index be4e56826daf..99ca9526dd65 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1602,9 +1602,6 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb)
 		 * USB_CDC_NOTIFY_NETWORK_CONNECTION notification shall be
 		 * sent by device after USB_CDC_NOTIFY_SPEED_CHANGE.
 		 */
-		netif_info(dev, link, dev->net,
-			   "network connection: %sconnected\n",
-			   !!event->wValue ? "" : "dis");
 		usbnet_link_change(dev, !!event->wValue, 0);
 		break;
 
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 7118b8263760..a3447f8eaf66 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1357,14 +1357,16 @@ static int virtnet_set_channels(struct net_device *dev,
 
 	get_online_cpus();
 	err = virtnet_set_queues(vi, queue_pairs);
-	if (!err) {
-		netif_set_real_num_tx_queues(dev, queue_pairs);
-		netif_set_real_num_rx_queues(dev, queue_pairs);
-
-		virtnet_set_affinity(vi);
+	if (err) {
+		put_online_cpus();
+		goto err;
 	}
+	virtnet_set_affinity(vi);
 	put_online_cpus();
 
+	netif_set_real_num_tx_queues(dev, queue_pairs);
+	netif_set_real_num_rx_queues(dev, queue_pairs);
+err:
 	return err;
 }
 
diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c
index 35589ee0cde1..fe543099768c 100644
--- a/drivers/net/wan/hdlc_ppp.c
+++ b/drivers/net/wan/hdlc_ppp.c
@@ -572,6 +572,13 @@ static void ppp_timer(unsigned long arg)
 	unsigned long flags;
 
 	spin_lock_irqsave(&ppp->lock, flags);
+	/* mod_timer could be called after we entered this function but
+	 * before we got the lock.
+	 */
+	if (timer_pending(&proto->timer)) {
+		spin_unlock_irqrestore(&ppp->lock, flags);
+		return;
+	}
 	switch (proto->state) {
 	case STOPPING:
 	case REQ_SENT:
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 7ea84e6c85bb..553bdd0983f7 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -133,9 +133,13 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
 	misc_pdev = of_find_device_by_node(args.np);
 	of_node_put(args.np);
 
-	if (!misc_pdev || !platform_get_drvdata(misc_pdev))
+	if (!misc_pdev)
 		return ERR_PTR(-EPROBE_DEFER);
 
+	if (!platform_get_drvdata(misc_pdev)) {
+		put_device(&misc_pdev->dev);
+		return ERR_PTR(-EPROBE_DEFER);
+	}
 	data->dev = &misc_pdev->dev;
 
 	if (of_find_property(np, "disable-over-current", NULL))
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 90f4a5c8012c..a251514a0ee9 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1849,6 +1849,10 @@ static const struct usb_device_id acm_ids[] = {
 	{ USB_DEVICE(0x04d8, 0x0083),	/* Bootloader mode */
 	.driver_info = IGNORE_DEVICE,
 	},
+
+	{ USB_DEVICE(0x04d8, 0xf58b),
+	.driver_info = IGNORE_DEVICE,
+	},
 #endif
 
 	/*Samsung phone in firmware update mode */
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 71c2ae4b8106..76701d6ce92c 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -289,8 +289,25 @@ static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, i
 #define usblp_reset(usblp)\
 	usblp_ctrl_msg(usblp, USBLP_REQ_RESET, USB_TYPE_CLASS, USB_DIR_OUT, USB_RECIP_OTHER, 0, NULL, 0)
 
-#define usblp_hp_channel_change_request(usblp, channel, buffer) \
-	usblp_ctrl_msg(usblp, USBLP_REQ_HP_CHANNEL_CHANGE_REQUEST, USB_TYPE_VENDOR, USB_DIR_IN, USB_RECIP_INTERFACE, channel, buffer, 1)
+static int usblp_hp_channel_change_request(struct usblp *usblp, int channel, u8 *new_channel)
+{
+	u8 *buf;
+	int ret;
+
+	buf = kzalloc(1, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	ret = usblp_ctrl_msg(usblp, USBLP_REQ_HP_CHANNEL_CHANGE_REQUEST,
+			USB_TYPE_VENDOR, USB_DIR_IN, USB_RECIP_INTERFACE,
+			channel, buf, 1);
+	if (ret == 0)
+		*new_channel = buf[0];
+
+	kfree(buf);
+
+	return ret;
+}
 
 /*
  * See the description for usblp_select_alts() below for the usage
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index f3ee80ece682..59dc3054ad6e 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -258,6 +258,7 @@ config USB_CONFIGFS_NCM
 	depends on NET
 	select USB_U_ETHER
 	select USB_F_NCM
+	select CRC32
 	help
 	  NCM is an advanced protocol for Ethernet encapsulation, allows
 	  grouping of several ethernet frames into one USB transfer and
@@ -307,6 +308,7 @@ config USB_CONFIGFS_EEM
 	depends on NET
 	select USB_U_ETHER
 	select USB_F_EEM
+	select CRC32
 	help
 	  CDC EEM is a newer USB standard that is somewhat simpler than CDC ECM
 	  and therefore can be supported by more hardware.  Technically ECM and
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 5a1723d99fe5..c574bf981140 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -392,8 +392,11 @@ int usb_function_deactivate(struct usb_function *function)
 
 	spin_lock_irqsave(&cdev->lock, flags);
 
-	if (cdev->deactivations == 0)
+	if (cdev->deactivations == 0) {
+		spin_unlock_irqrestore(&cdev->lock, flags);
 		status = usb_gadget_deactivate(cdev->gadget);
+		spin_lock_irqsave(&cdev->lock, flags);
+	}
 	if (status == 0)
 		cdev->deactivations++;
 
@@ -424,8 +427,11 @@ int usb_function_activate(struct usb_function *function)
 		status = -EINVAL;
 	else {
 		cdev->deactivations--;
-		if (cdev->deactivations == 0)
+		if (cdev->deactivations == 0) {
+			spin_unlock_irqrestore(&cdev->lock, flags);
 			status = usb_gadget_activate(cdev->gadget);
+			spin_lock_irqsave(&cdev->lock, flags);
+		}
 	}
 
 	spin_unlock_irqrestore(&cdev->lock, flags);
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 6420cae820bc..0aa1b8fa9b47 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -232,9 +232,16 @@ static ssize_t gadget_dev_desc_bcdUSB_store(struct config_item *item,
 
 static ssize_t gadget_dev_desc_UDC_show(struct config_item *item, char *page)
 {
-	char *udc_name = to_gadget_info(item)->composite.gadget_driver.udc_name;
+	struct gadget_info *gi = to_gadget_info(item);
+	char *udc_name;
+	int ret;
+
+	mutex_lock(&gi->lock);
+	udc_name = gi->composite.gadget_driver.udc_name;
+	ret = sprintf(page, "%s\n", udc_name ?: "");
+	mutex_unlock(&gi->lock);
 
-	return sprintf(page, "%s\n", udc_name ?: "");
+	return ret;
 }
 
 static int unregister_gadget(struct gadget_info *gi)
@@ -1214,9 +1221,9 @@ static void purge_configs_funcs(struct gadget_info *gi)
 
 		cfg = container_of(c, struct config_usb_cfg, c);
 
-		list_for_each_entry_safe(f, tmp, &c->functions, list) {
+		list_for_each_entry_safe_reverse(f, tmp, &c->functions, list) {
 
-			list_move_tail(&f->list, &cfg->func_list);
+			list_move(&f->list, &cfg->func_list);
 			if (f->unbind) {
 				dev_dbg(&gi->cdev.gadget->dev,
 				         "unbind function '%s'/%p\n",
@@ -1502,7 +1509,7 @@ static const struct usb_gadget_driver configfs_driver_template = {
 	.suspend	= configfs_composite_suspend,
 	.resume		= configfs_composite_resume,
 
-	.max_speed	= USB_SPEED_SUPER,
+	.max_speed	= USB_SPEED_SUPER_PLUS,
 	.driver = {
 		.owner          = THIS_MODULE,
 		.name		= "configfs-gadget",
@@ -1542,7 +1549,7 @@ static struct config_group *gadgets_make(
 	gi->composite.unbind = configfs_do_nothing;
 	gi->composite.suspend = NULL;
 	gi->composite.resume = NULL;
-	gi->composite.max_speed = USB_SPEED_SUPER;
+	gi->composite.max_speed = USB_SPEED_SUPER_PLUS;
 
 	spin_lock_init(&gi->spinlock);
 	mutex_init(&gi->lock);
diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c
index d89b3046dd10..b962f24b500b 100644
--- a/drivers/usb/gadget/function/f_printer.c
+++ b/drivers/usb/gadget/function/f_printer.c
@@ -1120,6 +1120,7 @@ static int printer_func_bind(struct usb_configuration *c,
 		printer_req_free(dev->in_ep, req);
 	}
 
+	usb_free_all_descriptors(f);
 	return ret;
 
 }
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index a631975e050d..af7fd0185a44 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -766,7 +766,7 @@ static struct usb_endpoint_descriptor fs_epout_desc = {
 
 	.bEndpointAddress = USB_DIR_OUT,
 	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
-	.wMaxPacketSize = cpu_to_le16(1023),
+	/* .wMaxPacketSize = DYNAMIC */
 	.bInterval = 1,
 };
 
@@ -775,7 +775,7 @@ static struct usb_endpoint_descriptor hs_epout_desc = {
 	.bDescriptorType = USB_DT_ENDPOINT,
 
 	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
-	.wMaxPacketSize = cpu_to_le16(1024),
+	/* .wMaxPacketSize = DYNAMIC */
 	.bInterval = 4,
 };
 
@@ -843,7 +843,7 @@ static struct usb_endpoint_descriptor fs_epin_desc = {
 
 	.bEndpointAddress = USB_DIR_IN,
 	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
-	.wMaxPacketSize = cpu_to_le16(1023),
+	/* .wMaxPacketSize = DYNAMIC */
 	.bInterval = 1,
 };
 
@@ -852,7 +852,7 @@ static struct usb_endpoint_descriptor hs_epin_desc = {
 	.bDescriptorType = USB_DT_ENDPOINT,
 
 	.bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
-	.wMaxPacketSize = cpu_to_le16(1024),
+	/* .wMaxPacketSize = DYNAMIC */
 	.bInterval = 4,
 };
 
@@ -963,12 +963,28 @@ free_ep(struct uac2_rtd_params *prm, struct usb_ep *ep)
 			"%s:%d Error!\n", __func__, __LINE__);
 }
 
-static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
+static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
 	struct usb_endpoint_descriptor *ep_desc,
-	unsigned int factor, bool is_playback)
+	enum usb_device_speed speed, bool is_playback)
 {
 	int chmask, srate, ssize;
-	u16 max_packet_size;
+	u16 max_size_bw, max_size_ep;
+	unsigned int factor;
+
+	switch (speed) {
+	case USB_SPEED_FULL:
+		max_size_ep = 1023;
+		factor = 1000;
+		break;
+
+	case USB_SPEED_HIGH:
+		max_size_ep = 1024;
+		factor = 8000;
+		break;
+
+	default:
+		return -EINVAL;
+	}
 
 	if (is_playback) {
 		chmask = uac2_opts->p_chmask;
@@ -980,10 +996,12 @@ static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
 		ssize = uac2_opts->c_ssize;
 	}
 
-	max_packet_size = num_channels(chmask) * ssize *
+	max_size_bw = num_channels(chmask) * ssize *
 		DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1)));
-	ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_packet_size,
-				le16_to_cpu(ep_desc->wMaxPacketSize)));
+	ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_size_bw,
+						    max_size_ep));
+
+	return 0;
 }
 
 static int
@@ -1082,10 +1100,33 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
 	uac2->c_prm.uac2 = uac2;
 
 	/* Calculate wMaxPacketSize according to audio bandwidth */
-	set_ep_max_packet_size(uac2_opts, &fs_epin_desc, 1000, true);
-	set_ep_max_packet_size(uac2_opts, &fs_epout_desc, 1000, false);
-	set_ep_max_packet_size(uac2_opts, &hs_epin_desc, 8000, true);
-	set_ep_max_packet_size(uac2_opts, &hs_epout_desc, 8000, false);
+	ret = set_ep_max_packet_size(uac2_opts, &fs_epin_desc, USB_SPEED_FULL,
+				     true);
+	if (ret < 0) {
+		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+		return ret;
+	}
+
+	ret = set_ep_max_packet_size(uac2_opts, &fs_epout_desc, USB_SPEED_FULL,
+				     false);
+	if (ret < 0) {
+		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+		return ret;
+	}
+
+	ret = set_ep_max_packet_size(uac2_opts, &hs_epin_desc, USB_SPEED_HIGH,
+				     true);
+	if (ret < 0) {
+		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+		return ret;
+	}
+
+	ret = set_ep_max_packet_size(uac2_opts, &hs_epout_desc, USB_SPEED_HIGH,
+				     false);
+	if (ret < 0) {
+		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+		return ret;
+	}
 
 	hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;
 	hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
diff --git a/drivers/usb/gadget/legacy/acm_ms.c b/drivers/usb/gadget/legacy/acm_ms.c
index c39de65a448b..270bb88c51cb 100644
--- a/drivers/usb/gadget/legacy/acm_ms.c
+++ b/drivers/usb/gadget/legacy/acm_ms.c
@@ -207,8 +207,10 @@ static int acm_ms_bind(struct usb_composite_dev *cdev)
 		struct usb_descriptor_header *usb_desc;
 
 		usb_desc = usb_otg_descriptor_alloc(gadget);
-		if (!usb_desc)
+		if (!usb_desc) {
+			status = -ENOMEM;
 			goto fail_string_ids;
+		}
 		usb_otg_descriptor_init(gadget, usb_desc);
 		otg_desc[0] = usb_desc;
 		otg_desc[1] = NULL;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index b27987431079..b0e1d3da2e7e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4409,19 +4409,19 @@ static u16 xhci_calculate_u1_timeout(struct xhci_hcd *xhci,
 {
 	unsigned long long timeout_ns;
 
+	if (xhci->quirks & XHCI_INTEL_HOST)
+		timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc);
+	else
+		timeout_ns = udev->u1_params.sel;
+
 	/* Prevent U1 if service interval is shorter than U1 exit latency */
 	if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
-		if (xhci_service_interval_to_ns(desc) <= udev->u1_params.mel) {
+		if (xhci_service_interval_to_ns(desc) <= timeout_ns) {
 			dev_dbg(&udev->dev, "Disable U1, ESIT shorter than exit latency\n");
 			return USB3_LPM_DISABLED;
 		}
 	}
 
-	if (xhci->quirks & XHCI_INTEL_HOST)
-		timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc);
-	else
-		timeout_ns = udev->u1_params.sel;
-
 	/* The U1 timeout is encoded in 1us intervals.
 	 * Don't return a timeout of zero, because that's USB3_LPM_DISABLED.
 	 */
@@ -4473,19 +4473,19 @@ static u16 xhci_calculate_u2_timeout(struct xhci_hcd *xhci,
 {
 	unsigned long long timeout_ns;
 
+	if (xhci->quirks & XHCI_INTEL_HOST)
+		timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc);
+	else
+		timeout_ns = udev->u2_params.sel;
+
 	/* Prevent U2 if service interval is shorter than U2 exit latency */
 	if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
-		if (xhci_service_interval_to_ns(desc) <= udev->u2_params.mel) {
+		if (xhci_service_interval_to_ns(desc) <= timeout_ns) {
 			dev_dbg(&udev->dev, "Disable U2, ESIT shorter than exit latency\n");
 			return USB3_LPM_DISABLED;
 		}
 	}
 
-	if (xhci->quirks & XHCI_INTEL_HOST)
-		timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc);
-	else
-		timeout_ns = udev->u2_params.sel;
-
 	/* The U2 timeout is encoded in 256us intervals */
 	timeout_ns = DIV_ROUND_UP_ULL(timeout_ns, 256 * 1000);
 	/* If the necessary timeout value is bigger than what we can set in the
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 1be1fa1b7377..16cab1b09ad8 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -507,6 +507,9 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
 		timeout = schedule_timeout(YUREX_WRITE_TIMEOUT);
 	finish_wait(&dev->waitq, &wait);
 
+	/* make sure URB is idle after timeout or (spurious) CMD_ACK */
+	usb_kill_urb(dev->cntl_urb);
+
 	mutex_unlock(&dev->io_mutex);
 
 	if (retval < 0) {
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index bdeb2b248954..f3c0ad138c3e 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -553,23 +553,29 @@ static int iuu_uart_flush(struct usb_serial_port *port)
 	struct device *dev = &port->dev;
 	int i;
 	int status;
-	u8 rxcmd = IUU_UART_RX;
+	u8 *rxcmd;
 	struct iuu_private *priv = usb_get_serial_port_data(port);
 
 	if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0)
 		return -EIO;
 
+	rxcmd = kmalloc(1, GFP_KERNEL);
+	if (!rxcmd)
+		return -ENOMEM;
+
+	rxcmd[0] = IUU_UART_RX;
+
 	for (i = 0; i < 2; i++) {
-		status = bulk_immediate(port, &rxcmd, 1);
+		status = bulk_immediate(port, rxcmd, 1);
 		if (status != IUU_OPERATION_OK) {
 			dev_dbg(dev, "%s - uart_flush_write error\n", __func__);
-			return status;
+			goto out_free;
 		}
 
 		status = read_immediate(port, &priv->len, 1);
 		if (status != IUU_OPERATION_OK) {
 			dev_dbg(dev, "%s - uart_flush_read error\n", __func__);
-			return status;
+			goto out_free;
 		}
 
 		if (priv->len > 0) {
@@ -577,12 +583,16 @@ static int iuu_uart_flush(struct usb_serial_port *port)
 			status = read_immediate(port, priv->buf, priv->len);
 			if (status != IUU_OPERATION_OK) {
 				dev_dbg(dev, "%s - uart_flush_read error\n", __func__);
-				return status;
+				goto out_free;
 			}
 		}
 	}
 	dev_dbg(dev, "%s - uart_flush_read OK!\n", __func__);
 	iuu_led(port, 0, 0xF000, 0, 0xFF);
+
+out_free:
+	kfree(rxcmd);
+
 	return status;
 }
 
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 93a31ea8e210..1899190d4f5d 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -559,10 +559,8 @@ static int keyspan_pda_write(struct tty_struct *tty,
 static void keyspan_pda_write_bulk_callback(struct urb *urb)
 {
 	struct usb_serial_port *port = urb->context;
-	struct keyspan_pda_private *priv;
 
 	set_bit(0, &port->write_urbs_free);
-	priv = usb_get_serial_port_data(port);
 
 	/* queue up a wakeup at scheduler time */
 	usb_serial_port_softint(port);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6045a8e24068..1998b314368e 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2043,6 +2043,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff),			/* Fibocom NL678 series */
 	  .driver_info = RSVD(6) },
 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) },			/* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
+	{ USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) },			/* LongSung M5710 */
 	{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) },			/* GosunCn GM500 RNDIS */
 	{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) },			/* GosunCn GM500 MBIM */
 	{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) },			/* GosunCn GM500 ECM/NCM */
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 018b0663d610..1bf15f9d4f43 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -163,6 +163,13 @@ UNUSUAL_DEV(0x152d, 0x0578, 0x0000, 0x9999,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_BROKEN_FUA),
 
+/* Reported-by: Thinh Nguyen <thinhn@synopsys.com> */
+UNUSUAL_DEV(0x154b, 0xf00b, 0x0000, 0x9999,
+		"PNY",
+		"Pro Elite SSD",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_ATA_1X),
+
 /* Reported-by: Thinh Nguyen <thinhn@synopsys.com> */
 UNUSUAL_DEV(0x154b, 0xf00d, 0x0000, 0x9999,
 		"PNY",
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 861f43f8f9ce..66663757cd70 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -377,6 +377,7 @@ static void handle_tx(struct vhost_net *net)
 	size_t hdr_size;
 	struct socket *sock;
 	struct vhost_net_ubuf_ref *uninitialized_var(ubufs);
+	struct ubuf_info *ubuf;
 	bool zcopy, zcopy_used;
 	int sent_pkts = 0;
 
@@ -444,9 +445,7 @@ static void handle_tx(struct vhost_net *net)
 
 		/* use msg_control to pass vhost zerocopy ubuf info to skb */
 		if (zcopy_used) {
-			struct ubuf_info *ubuf;
 			ubuf = nvq->ubuf_info + nvq->upend_idx;
-
 			vq->heads[nvq->upend_idx].id = cpu_to_vhost32(vq, head);
 			vq->heads[nvq->upend_idx].len = VHOST_DMA_IN_PROGRESS;
 			ubuf->callback = vhost_zerocopy_callback;
@@ -465,7 +464,8 @@ static void handle_tx(struct vhost_net *net)
 		err = sock->ops->sendmsg(sock, &msg, len);
 		if (unlikely(err < 0)) {
 			if (zcopy_used) {
-				vhost_net_ubuf_put(ubufs);
+				if (vq->heads[ubuf->desc].len == VHOST_DMA_IN_PROGRESS)
+					vhost_net_ubuf_put(ubufs);
 				nvq->upend_idx = ((unsigned)nvq->upend_idx - 1)
 					% UIO_MAXIOV;
 			}
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index f3938c527883..6e680007cf6b 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c
@@ -713,11 +713,9 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 	}
 
 	/*
-	 * Map the VRAM cacheable for performance. This is also required for
-	 * VM Connect to display properly for ARM64 Linux VM, as the host also
-	 * maps the VRAM cacheable.
+	 * Map the VRAM cacheable for performance.
 	 */
-	fb_virt = ioremap_cache(par->mem->start, screen_fb_size);
+	fb_virt = ioremap_wc(par->mem->start, screen_fb_size);
 	if (!fb_virt)
 		goto err2;
 
diff --git a/include/net/red.h b/include/net/red.h
index 3618cdfec884..17821f66de11 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -167,12 +167,14 @@ static inline void red_set_vars(struct red_vars *v)
 	v->qcount	= -1;
 }
 
-static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog)
+static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog, u8 Scell_log)
 {
 	if (fls(qth_min) + Wlog > 32)
 		return false;
 	if (fls(qth_max) + Wlog > 32)
 		return false;
+	if (Scell_log >= 32)
+		return false;
 	if (qth_max < qth_min)
 		return false;
 	return true;
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 00c295d3104b..205c3131f8b0 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3448,17 +3448,24 @@ static void pwq_adjust_max_active(struct pool_workqueue *pwq)
 	 * is updated and visible.
 	 */
 	if (!freezable || !workqueue_freezing) {
+		bool kick = false;
+
 		pwq->max_active = wq->saved_max_active;
 
 		while (!list_empty(&pwq->delayed_works) &&
-		       pwq->nr_active < pwq->max_active)
+		       pwq->nr_active < pwq->max_active) {
 			pwq_activate_first_delayed(pwq);
+			kick = true;
+		}
 
 		/*
 		 * Need to kick a worker after thawed or an unbound wq's
-		 * max_active is bumped.  It's a slow path.  Do it always.
+		 * max_active is bumped. In realtime scenarios, always kicking a
+		 * worker will cause interference on the isolated cpu cores, so
+		 * let's kick iff work items were activated.
 		 */
-		wake_up_worker(pwq->pool);
+		if (kick)
+			wake_up_worker(pwq->pool);
 	} else {
 		pwq->max_active = 0;
 	}
diff --git a/lib/genalloc.c b/lib/genalloc.c
index 7e85d1e37a6e..0b8ee173cf3a 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -83,14 +83,14 @@ static int clear_bits_ll(unsigned long *addr, unsigned long mask_to_clear)
  * users set the same bit, one user will return remain bits, otherwise
  * return 0.
  */
-static int bitmap_set_ll(unsigned long *map, int start, int nr)
+static int bitmap_set_ll(unsigned long *map, unsigned long start, unsigned long nr)
 {
 	unsigned long *p = map + BIT_WORD(start);
-	const int size = start + nr;
+	const unsigned long size = start + nr;
 	int bits_to_set = BITS_PER_LONG - (start % BITS_PER_LONG);
 	unsigned long mask_to_set = BITMAP_FIRST_WORD_MASK(start);
 
-	while (nr - bits_to_set >= 0) {
+	while (nr >= bits_to_set) {
 		if (set_bits_ll(p, mask_to_set))
 			return nr;
 		nr -= bits_to_set;
@@ -118,14 +118,15 @@ static int bitmap_set_ll(unsigned long *map, int start, int nr)
  * users clear the same bit, one user will return remain bits,
  * otherwise return 0.
  */
-static int bitmap_clear_ll(unsigned long *map, int start, int nr)
+static unsigned long
+bitmap_clear_ll(unsigned long *map, unsigned long start, unsigned long nr)
 {
 	unsigned long *p = map + BIT_WORD(start);
-	const int size = start + nr;
+	const unsigned long size = start + nr;
 	int bits_to_clear = BITS_PER_LONG - (start % BITS_PER_LONG);
 	unsigned long mask_to_clear = BITMAP_FIRST_WORD_MASK(start);
 
-	while (nr - bits_to_clear >= 0) {
+	while (nr >= bits_to_clear) {
 		if (clear_bits_ll(p, mask_to_clear))
 			return nr;
 		nr -= bits_to_clear;
@@ -184,8 +185,8 @@ int gen_pool_add_virt(struct gen_pool *pool, unsigned long virt, phys_addr_t phy
 		 size_t size, int nid)
 {
 	struct gen_pool_chunk *chunk;
-	int nbits = size >> pool->min_alloc_order;
-	int nbytes = sizeof(struct gen_pool_chunk) +
+	unsigned long nbits = size >> pool->min_alloc_order;
+	unsigned long nbytes = sizeof(struct gen_pool_chunk) +
 				BITS_TO_LONGS(nbits) * sizeof(long);
 
 	chunk = vzalloc_node(nbytes, nid);
@@ -242,7 +243,7 @@ void gen_pool_destroy(struct gen_pool *pool)
 	struct list_head *_chunk, *_next_chunk;
 	struct gen_pool_chunk *chunk;
 	int order = pool->min_alloc_order;
-	int bit, end_bit;
+	unsigned long bit, end_bit;
 
 	list_for_each_safe(_chunk, _next_chunk, &pool->chunks) {
 		chunk = list_entry(_chunk, struct gen_pool_chunk, next_chunk);
@@ -293,7 +294,7 @@ unsigned long gen_pool_alloc_algo(struct gen_pool *pool, size_t size,
 	struct gen_pool_chunk *chunk;
 	unsigned long addr = 0;
 	int order = pool->min_alloc_order;
-	int nbits, start_bit, end_bit, remain;
+	unsigned long nbits, start_bit, end_bit, remain;
 
 #ifndef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
 	BUG_ON(in_nmi());
@@ -376,7 +377,7 @@ void gen_pool_free(struct gen_pool *pool, unsigned long addr, size_t size)
 {
 	struct gen_pool_chunk *chunk;
 	int order = pool->min_alloc_order;
-	int start_bit, nbits, remain;
+	unsigned long start_bit, nbits, remain;
 
 #ifndef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
 	BUG_ON(in_nmi());
@@ -638,7 +639,7 @@ unsigned long gen_pool_best_fit(unsigned long *map, unsigned long size,
 	index = bitmap_find_next_zero_area(map, size, start, nr, 0);
 
 	while (index < size) {
-		int next_bit = find_next_bit(map, size, index + nr);
+		unsigned long next_bit = find_next_bit(map, size, index + nr);
 		if ((next_bit - index) < len) {
 			len = next_bit - index;
 			start_bit = index;
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index cbe3fdba4a2c..aa4c045587d1 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -292,7 +292,7 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb)
 			.flowi4_iif = LOOPBACK_IFINDEX,
 			.flowi4_oif = l3mdev_master_ifindex_rcu(dev),
 			.daddr = ip_hdr(skb)->saddr,
-			.flowi4_tos = RT_TOS(ip_hdr(skb)->tos),
+			.flowi4_tos = ip_hdr(skb)->tos & IPTOS_RT_MASK,
 			.flowi4_scope = scope,
 			.flowi4_mark = vmark ? skb->mark : 0,
 		};
diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c
index 087db775b3dc..c973d88e9ea7 100644
--- a/net/ncsi/ncsi-rsp.c
+++ b/net/ncsi/ncsi-rsp.c
@@ -975,7 +975,7 @@ int ncsi_rcv_rsp(struct sk_buff *skb, struct net_device *dev,
 	int payload, i, ret;
 
 	/* Find the NCSI device */
-	nd = ncsi_find_dev(dev);
+	nd = ncsi_find_dev(orig_dev);
 	ndp = nd ? TO_NCSI_DEV_PRIV(nd) : NULL;
 	if (!ndp)
 		return -ENODEV;
diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index d32fd6b036bf..a4bd2d3a4821 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -113,20 +113,6 @@ htable_size(u8 hbits)
 	return hsize * sizeof(struct hbucket *) + sizeof(struct htable);
 }
 
-/* Compute htable_bits from the user input parameter hashsize */
-static u8
-htable_bits(u32 hashsize)
-{
-	/* Assume that hashsize == 2^htable_bits */
-	u8 bits = fls(hashsize - 1);
-
-	if (jhash_size(bits) != hashsize)
-		/* Round up to the first 2^n value */
-		bits = fls(hashsize);
-
-	return bits;
-}
-
 #ifdef IP_SET_HASH_WITH_NETS
 #if IPSET_NET_COUNT > 1
 #define __CIDR(cidr, i)		(cidr[i])
@@ -1309,7 +1295,11 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set,
 	get_random_bytes(&h->initval, sizeof(h->initval));
 	set->timeout = IPSET_NO_TIMEOUT;
 
-	hbits = htable_bits(hashsize);
+	/* Compute htable_bits from the user input parameter hashsize.
+	 * Assume that hashsize == 2^htable_bits,
+	 * otherwise round up to the first 2^n value.
+	 */
+	hbits = fls(hashsize - 1);
 	hsize = htable_size(hbits);
 	if (hsize == 0) {
 		kfree(h);
diff --git a/net/netfilter/xt_RATEEST.c b/net/netfilter/xt_RATEEST.c
index 92cfae66743b..1076b8a50d00 100644
--- a/net/netfilter/xt_RATEEST.c
+++ b/net/netfilter/xt_RATEEST.c
@@ -106,6 +106,9 @@ static int xt_rateest_tg_checkentry(const struct xt_tgchk_param *par)
 	} cfg;
 	int ret;
 
+	if (strnlen(info->name, sizeof(est->name)) >= sizeof(est->name))
+		return -ENAMETOOLONG;
+
 	net_get_random_once(&jhash_rnd, sizeof(jhash_rnd));
 
 	mutex_lock(&xt_rateest_mutex);
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index d13e1de0b3a2..2fb79c245f3f 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -425,7 +425,7 @@ static int choke_change(struct Qdisc *sch, struct nlattr *opt)
 
 	ctl = nla_data(tb[TCA_CHOKE_PARMS]);
 
-	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog))
+	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog, ctl->Scell_log))
 		return -EINVAL;
 
 	if (ctl->limit > CHOKE_MAX_QUEUE)
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 729c0e4eca21..d86a96313981 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -356,7 +356,7 @@ static inline int gred_change_vq(struct Qdisc *sch, int dp,
 	struct gred_sched *table = qdisc_priv(sch);
 	struct gred_sched_data *q = table->tab[dp];
 
-	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog))
+	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog, ctl->Scell_log))
 		return -EINVAL;
 
 	if (!q) {
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 4610d44f58d3..797895bddcfd 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -184,7 +184,7 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt)
 	max_P = tb[TCA_RED_MAX_P] ? nla_get_u32(tb[TCA_RED_MAX_P]) : 0;
 
 	ctl = nla_data(tb[TCA_RED_PARMS]);
-	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog))
+	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog, ctl->Scell_log))
 		return -EINVAL;
 
 	if (ctl->limit > 0) {
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 633e237a406c..69a5fffed86c 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -645,7 +645,7 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt)
 	}
 
 	if (ctl_v1 && !red_check_params(ctl_v1->qth_min, ctl_v1->qth_max,
-					ctl_v1->Wlog))
+					ctl_v1->Wlog, ctl_v1->Scell_log))
 		return -EINVAL;
 	if (ctl_v1 && ctl_v1->qth_min) {
 		p = kmalloc(sizeof(*p), GFP_KERNEL);
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index baedaef53ca0..b0cb89e73bc5 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -14,6 +14,8 @@ if ! test -r System.map ; then
 	exit 0
 fi
 
+# legacy behavior: "depmod" in /sbin, no /sbin in PATH
+PATH="$PATH:/sbin"
 if [ -z $(command -v $DEPMOD) ]; then
 	echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
 	echo "This is probably in the kmod package." >&2
diff --git a/scripts/gdb/linux/dmesg.py b/scripts/gdb/linux/dmesg.py
index f9b92ece7834..6d2e09a2ad2f 100644
--- a/scripts/gdb/linux/dmesg.py
+++ b/scripts/gdb/linux/dmesg.py
@@ -12,6 +12,7 @@
 #
 
 import gdb
+import sys
 
 from linux import utils
 
@@ -23,10 +24,11 @@ class LxDmesg(gdb.Command):
         super(LxDmesg, self).__init__("lx-dmesg", gdb.COMMAND_DATA)
 
     def invoke(self, arg, from_tty):
-        log_buf_addr = int(str(gdb.parse_and_eval("log_buf")).split()[0], 16)
-        log_first_idx = int(gdb.parse_and_eval("log_first_idx"))
-        log_next_idx = int(gdb.parse_and_eval("log_next_idx"))
-        log_buf_len = int(gdb.parse_and_eval("log_buf_len"))
+        log_buf_addr = int(str(gdb.parse_and_eval(
+            "(void *)'printk.c'::log_buf")).split()[0], 16)
+        log_first_idx = int(gdb.parse_and_eval("'printk.c'::log_first_idx"))
+        log_next_idx = int(gdb.parse_and_eval("'printk.c'::log_next_idx"))
+        log_buf_len = int(gdb.parse_and_eval("'printk.c'::log_buf_len"))
 
         inf = gdb.inferiors()[0]
         start = log_buf_addr + log_first_idx
@@ -51,13 +53,19 @@ class LxDmesg(gdb.Command):
                 continue
 
             text_len = utils.read_u16(log_buf[pos + 10:pos + 12])
-            text = log_buf[pos + 16:pos + 16 + text_len].decode()
+            text = log_buf[pos + 16:pos + 16 + text_len].decode(
+                encoding='utf8', errors='replace')
             time_stamp = utils.read_u64(log_buf[pos:pos + 8])
 
             for line in text.splitlines():
-                gdb.write("[{time:12.6f}] {line}\n".format(
+                msg = u"[{time:12.6f}] {line}\n".format(
                     time=time_stamp / 1000000000.0,
-                    line=line))
+                    line=line)
+                # With python2 gdb.write will attempt to convert unicode to
+                # ascii and might fail so pass an utf8-encoded str instead.
+                if sys.hexversion < 0x03000000:
+                    msg = msg.encode(encoding='utf8', errors='replace')
+                gdb.write(msg)
 
             pos += length
 
diff --git a/scripts/gdb/linux/proc.py b/scripts/gdb/linux/proc.py
index 38b1f09d1cd9..822e3767bc05 100644
--- a/scripts/gdb/linux/proc.py
+++ b/scripts/gdb/linux/proc.py
@@ -40,7 +40,7 @@ class LxVersion(gdb.Command):
 
     def invoke(self, arg, from_tty):
         # linux_banner should contain a newline
-        gdb.write(gdb.parse_and_eval("linux_banner").string())
+        gdb.write(gdb.parse_and_eval("(char *)linux_banner").string())
 
 LxVersion()
 
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 1e99500dbb6c..f7797e546e3d 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -1001,6 +1001,7 @@ static int patch_conexant_auto(struct hda_codec *codec)
 static const struct hda_device_id snd_hda_id_conexant[] = {
 	HDA_CODEC_ENTRY(0x14f11f86, "CX8070", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f12008, "CX8200", patch_conexant_auto),
+	HDA_CODEC_ENTRY(0x14f120d0, "CX11970", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15045, "CX20549 (Venice)", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15047, "CX20551 (Waikiki)", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15051, "CX20561 (Hermosa)", patch_conexant_auto),
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index b8d4b5b3e54a..ea264727fdf7 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -1867,6 +1867,8 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi *umidi,
 		ms_ep = find_usb_ms_endpoint_descriptor(hostep);
 		if (!ms_ep)
 			continue;
+		if (ms_ep->bNumEmbMIDIJack > 0x10)
+			continue;
 		if (usb_endpoint_dir_out(ep)) {
 			if (endpoints[epidx].out_ep) {
 				if (++epidx >= MIDI_MAX_ENDPOINTS) {
@@ -2119,6 +2121,8 @@ static int snd_usbmidi_detect_roland(struct snd_usb_midi *umidi,
 		    cs_desc[1] == USB_DT_CS_INTERFACE &&
 		    cs_desc[2] == 0xf1 &&
 		    cs_desc[3] == 0x02) {
+			if (cs_desc[4] > 0x10 || cs_desc[5] > 0x10)
+				continue;
 			endpoint->in_cables  = (1 << cs_desc[4]) - 1;
 			endpoint->out_cables = (1 << cs_desc[5]) - 1;
 			return snd_usbmidi_detect_endpoints(umidi, endpoint, 1);

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