[gentoo-commits] proj/linux-patches:4.9 commit in: /

["Mike Pagano" <mpagano@gentoo.org>]

commit:     6aed8ad7db11b972116e7e37ac56f601dd4cb76b
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Fri Jul 31 16:13:22 2020 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Fri Jul 31 16:13:22 2020 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=6aed8ad7

Linux patch 4.9.232

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README              |    4 +
 1231_linux-4.9.232.patch | 1945 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1949 insertions(+)

diff --git a/0000_README b/0000_README
index f3d3878..cf1c30c 100644
--- a/0000_README
+++ b/0000_README
@@ -967,6 +967,10 @@ Patch:  1230_linux-4.9.231.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.9.231
 
+Patch:  1231_linux-4.9.232.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.9.232
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1231_linux-4.9.232.patch b/1231_linux-4.9.232.patch
new file mode 100644
index 0000000..4dfa101
--- /dev/null
+++ b/1231_linux-4.9.232.patch
@@ -0,0 +1,1945 @@
+diff --git a/Makefile b/Makefile
+index 1b1342a8785a..934db3609c16 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 9
+-SUBLEVEL = 231
++SUBLEVEL = 232
+ EXTRAVERSION =
+ NAME = Roaring Lionus
+ 
+@@ -505,7 +505,7 @@ ifeq ($(cc-name),clang)
+ ifneq ($(CROSS_COMPILE),)
+ CLANG_FLAGS	+= --target=$(notdir $(CROSS_COMPILE:%-=%))
+ GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
+-CLANG_FLAGS	+= --prefix=$(GCC_TOOLCHAIN_DIR)
++CLANG_FLAGS	+= --prefix=$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE))
+ GCC_TOOLCHAIN	:= $(realpath $(GCC_TOOLCHAIN_DIR)/..)
+ endif
+ ifneq ($(GCC_TOOLCHAIN),)
+diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
+index a5236a3e5297..3101d1b61713 100644
+--- a/arch/arm64/kernel/debug-monitors.c
++++ b/arch/arm64/kernel/debug-monitors.c
+@@ -380,14 +380,14 @@ void user_rewind_single_step(struct task_struct *task)
+ 	 * If single step is active for this thread, then set SPSR.SS
+ 	 * to 1 to avoid returning to the active-pending state.
+ 	 */
+-	if (test_ti_thread_flag(task_thread_info(task), TIF_SINGLESTEP))
++	if (test_tsk_thread_flag(task, TIF_SINGLESTEP))
+ 		set_regs_spsr_ss(task_pt_regs(task));
+ }
+ NOKPROBE_SYMBOL(user_rewind_single_step);
+ 
+ void user_fastforward_single_step(struct task_struct *task)
+ {
+-	if (test_ti_thread_flag(task_thread_info(task), TIF_SINGLESTEP))
++	if (test_tsk_thread_flag(task, TIF_SINGLESTEP))
+ 		clear_regs_spsr_ss(task_pt_regs(task));
+ }
+ 
+diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
+index 5394b9c5f914..1616428a5f95 100644
+--- a/arch/parisc/include/asm/atomic.h
++++ b/arch/parisc/include/asm/atomic.h
+@@ -255,6 +255,8 @@ atomic64_set(atomic64_t *v, s64 i)
+ 	_atomic_spin_unlock_irqrestore(v, flags);
+ }
+ 
++#define atomic64_set_release(v, i)	atomic64_set((v), (i))
++
+ static __inline__ s64
+ atomic64_read(const atomic64_t *v)
+ {
+diff --git a/arch/x86/math-emu/wm_sqrt.S b/arch/x86/math-emu/wm_sqrt.S
+index d258f59564e1..3b40c98bbbd4 100644
+--- a/arch/x86/math-emu/wm_sqrt.S
++++ b/arch/x86/math-emu/wm_sqrt.S
+@@ -208,7 +208,7 @@ sqrt_stage_2_finish:
+ 
+ #ifdef PARANOID
+ /* It should be possible to get here only if the arg is ffff....ffff */
+-	cmp	$0xffffffff,FPU_fsqrt_arg_1
++	cmpl	$0xffffffff,FPU_fsqrt_arg_1
+ 	jnz	sqrt_stage_2_error
+ #endif /* PARANOID */
+ 
+diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
+index b9beae798d72..8679fa306206 100644
+--- a/arch/xtensa/kernel/setup.c
++++ b/arch/xtensa/kernel/setup.c
+@@ -830,7 +830,8 @@ c_start(struct seq_file *f, loff_t *pos)
+ static void *
+ c_next(struct seq_file *f, void *v, loff_t *pos)
+ {
+-	return NULL;
++	++*pos;
++	return c_start(f, pos);
+ }
+ 
+ static void
+diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c
+index 9210b9cc4ec9..455c6ec4086c 100644
+--- a/arch/xtensa/kernel/xtensa_ksyms.c
++++ b/arch/xtensa/kernel/xtensa_ksyms.c
+@@ -82,13 +82,13 @@ void __xtensa_libgcc_window_spill(void)
+ }
+ EXPORT_SYMBOL(__xtensa_libgcc_window_spill);
+ 
+-unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v)
++unsigned int __sync_fetch_and_and_4(volatile void *p, unsigned int v)
+ {
+ 	BUG();
+ }
+ EXPORT_SYMBOL(__sync_fetch_and_and_4);
+ 
+-unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v)
++unsigned int __sync_fetch_and_or_4(volatile void *p, unsigned int v)
+ {
+ 	BUG();
+ }
+diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
+index 36ce3511c733..7d0c83b47259 100644
+--- a/drivers/base/regmap/regmap-debugfs.c
++++ b/drivers/base/regmap/regmap-debugfs.c
+@@ -204,6 +204,9 @@ static ssize_t regmap_read_debugfs(struct regmap *map, unsigned int from,
+ 	if (*ppos < 0 || !count)
+ 		return -EINVAL;
+ 
++	if (count > (PAGE_SIZE << (MAX_ORDER - 1)))
++		count = PAGE_SIZE << (MAX_ORDER - 1);
++
+ 	buf = kmalloc(count, GFP_KERNEL);
+ 	if (!buf)
+ 		return -ENOMEM;
+@@ -352,6 +355,9 @@ static ssize_t regmap_reg_ranges_read_file(struct file *file,
+ 	if (*ppos < 0 || !count)
+ 		return -EINVAL;
+ 
++	if (count > (PAGE_SIZE << (MAX_ORDER - 1)))
++		count = PAGE_SIZE << (MAX_ORDER - 1);
++
+ 	buf = kmalloc(count, GFP_KERNEL);
+ 	if (!buf)
+ 		return -ENOMEM;
+diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
+index 1799a1dfa46e..cd984b59a8a1 100644
+--- a/drivers/base/regmap/regmap.c
++++ b/drivers/base/regmap/regmap.c
+@@ -1239,7 +1239,7 @@ static int dev_get_regmap_match(struct device *dev, void *res, void *data)
+ 
+ 	/* If the user didn't specify a name match any */
+ 	if (data)
+-		return (*r)->name == data;
++		return !strcmp((*r)->name, data);
+ 	else
+ 		return 1;
+ }
+diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
+index 1389f0582e29..c5a45c57b8b8 100644
+--- a/drivers/dma/ioat/dma.c
++++ b/drivers/dma/ioat/dma.c
+@@ -38,6 +38,18 @@
+ 
+ #include "../dmaengine.h"
+ 
++int completion_timeout = 200;
++module_param(completion_timeout, int, 0644);
++MODULE_PARM_DESC(completion_timeout,
++		"set ioat completion timeout [msec] (default 200 [msec])");
++int idle_timeout = 2000;
++module_param(idle_timeout, int, 0644);
++MODULE_PARM_DESC(idle_timeout,
++		"set ioat idel timeout [msec] (default 2000 [msec])");
++
++#define IDLE_TIMEOUT msecs_to_jiffies(idle_timeout)
++#define COMPLETION_TIMEOUT msecs_to_jiffies(completion_timeout)
++
+ static char *chanerr_str[] = {
+ 	"DMA Transfer Destination Address Error",
+ 	"Next Descriptor Address Error",
+diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
+index a9bc1a15b0d1..b0152288983b 100644
+--- a/drivers/dma/ioat/dma.h
++++ b/drivers/dma/ioat/dma.h
+@@ -111,8 +111,6 @@ struct ioatdma_chan {
+ 	#define IOAT_RUN 5
+ 	#define IOAT_CHAN_ACTIVE 6
+ 	struct timer_list timer;
+-	#define COMPLETION_TIMEOUT msecs_to_jiffies(100)
+-	#define IDLE_TIMEOUT msecs_to_jiffies(2000)
+ 	#define RESET_DELAY msecs_to_jiffies(100)
+ 	struct ioatdma_device *ioat_dma;
+ 	dma_addr_t completion_dma;
+diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c
+index c16c06b3dd2f..54296e262dea 100644
+--- a/drivers/dma/tegra210-adma.c
++++ b/drivers/dma/tegra210-adma.c
+@@ -583,6 +583,7 @@ static int tegra_adma_alloc_chan_resources(struct dma_chan *dc)
+ 
+ 	ret = pm_runtime_get_sync(tdc2dev(tdc));
+ 	if (ret < 0) {
++		pm_runtime_put_noidle(tdc2dev(tdc));
+ 		free_irq(tdc->irq, tdc);
+ 		return ret;
+ 	}
+@@ -764,8 +765,10 @@ static int tegra_adma_probe(struct platform_device *pdev)
+ 	pm_runtime_enable(&pdev->dev);
+ 
+ 	ret = pm_runtime_get_sync(&pdev->dev);
+-	if (ret < 0)
++	if (ret < 0) {
++		pm_runtime_put_noidle(&pdev->dev);
+ 		goto rpm_disable;
++	}
+ 
+ 	ret = tegra_adma_init(tdma);
+ 	if (ret)
+diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
+index 954f5b76bfcf..d44965f805fe 100644
+--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
++++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
+@@ -118,10 +118,10 @@ g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry,
+ 		if (retries)
+ 			udelay(400);
+ 
+-		/* transaction request, wait up to 1ms for it to complete */
++		/* transaction request, wait up to 2ms for it to complete */
+ 		nvkm_wr32(device, 0x00e4e4 + base, 0x00010000 | ctrl);
+ 
+-		timeout = 1000;
++		timeout = 2000;
+ 		do {
+ 			ctrl = nvkm_rd32(device, 0x00e4e4 + base);
+ 			udelay(1);
+diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
+index 61d729b82c69..a5783f4d972e 100644
+--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
++++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
+@@ -118,10 +118,10 @@ gm200_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry,
+ 		if (retries)
+ 			udelay(400);
+ 
+-		/* transaction request, wait up to 1ms for it to complete */
++		/* transaction request, wait up to 2ms for it to complete */
+ 		nvkm_wr32(device, 0x00d954 + base, 0x00010000 | ctrl);
+ 
+-		timeout = 1000;
++		timeout = 2000;
+ 		do {
+ 			ctrl = nvkm_rd32(device, 0x00d954 + base);
+ 			udelay(1);
+diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
+index 197eb75d10ef..959a9e38b4f5 100644
+--- a/drivers/hid/hid-apple.c
++++ b/drivers/hid/hid-apple.c
+@@ -55,6 +55,7 @@ MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option (\"Alt\") and Command (\"Flag\")
+ struct apple_sc {
+ 	unsigned long quirks;
+ 	unsigned int fn_on;
++	unsigned int fn_found;
+ 	DECLARE_BITMAP(pressed_numlock, KEY_CNT);
+ };
+ 
+@@ -340,12 +341,15 @@ static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ 		struct hid_field *field, struct hid_usage *usage,
+ 		unsigned long **bit, int *max)
+ {
++	struct apple_sc *asc = hid_get_drvdata(hdev);
++
+ 	if (usage->hid == (HID_UP_CUSTOM | 0x0003) ||
+ 			usage->hid == (HID_UP_MSVENDOR | 0x0003) ||
+ 			usage->hid == (HID_UP_HPVENDOR2 | 0x0003)) {
+ 		/* The fn key on Apple USB keyboards */
+ 		set_bit(EV_REP, hi->input->evbit);
+ 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN);
++		asc->fn_found = true;
+ 		apple_setup_input(hi->input);
+ 		return 1;
+ 	}
+@@ -372,6 +376,19 @@ static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+ 	return 0;
+ }
+ 
++static int apple_input_configured(struct hid_device *hdev,
++		struct hid_input *hidinput)
++{
++	struct apple_sc *asc = hid_get_drvdata(hdev);
++
++	if ((asc->quirks & APPLE_HAS_FN) && !asc->fn_found) {
++		hid_info(hdev, "Fn key not found (Apple Wireless Keyboard clone?), disabling Fn key handling\n");
++		asc->quirks = 0;
++	}
++
++	return 0;
++}
++
+ static int apple_probe(struct hid_device *hdev,
+ 		const struct hid_device_id *id)
+ {
+@@ -593,6 +610,7 @@ static struct hid_driver apple_driver = {
+ 	.event = apple_event,
+ 	.input_mapping = apple_input_mapping,
+ 	.input_mapped = apple_input_mapped,
++	.input_configured = apple_input_configured,
+ };
+ module_hid_driver(apple_driver);
+ 
+diff --git a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
+index 681ac9bc68b3..f98c1e1b1dbd 100644
+--- a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
++++ b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
+@@ -373,6 +373,14 @@ static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = {
+ 		},
+ 		.driver_data = (void *)&sipodev_desc
+ 	},
++	{
++		.ident = "Mediacom FlexBook edge 13",
++		.matches = {
++			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MEDIACOM"),
++			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "FlexBook_edge13-M-FBE13"),
++		},
++		.driver_data = (void *)&sipodev_desc
++	},
+ 	{
+ 		.ident = "Odys Winbook 13",
+ 		.matches = {
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+index 3a352f76e633..427d4dbc9735 100644
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+@@ -1023,8 +1023,11 @@ static int bnxt_set_pauseparam(struct net_device *dev,
+ 	if (epause->tx_pause)
+ 		link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
+ 
+-	if (netif_running(dev))
++	if (netif_running(dev)) {
++		mutex_lock(&bp->link_lock);
+ 		rc = bnxt_hwrm_set_pause(bp);
++		mutex_unlock(&bp->link_lock);
++	}
+ 	return rc;
+ }
+ 
+diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
+index 49f692907a30..c4197d0ec4d2 100644
+--- a/drivers/net/ethernet/marvell/sky2.c
++++ b/drivers/net/ethernet/marvell/sky2.c
+@@ -215,7 +215,7 @@ io_error:
+ 
+ static inline u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg)
+ {
+-	u16 v;
++	u16 v = 0;
+ 	__gm_phy_read(hw, port, reg, &v);
+ 	return v;
+ }
+diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c
+index b0c72167bade..3c221ca2cc12 100644
+--- a/drivers/net/ethernet/smsc/smc91x.c
++++ b/drivers/net/ethernet/smsc/smc91x.c
+@@ -2294,7 +2294,7 @@ static int smc_drv_probe(struct platform_device *pdev)
+ 		ret = try_toggle_control_gpio(&pdev->dev, &lp->power_gpio,
+ 					      "power", 0, 0, 100);
+ 		if (ret)
+-			return ret;
++			goto out_free_netdev;
+ 
+ 		/*
+ 		 * Optional reset GPIO configured? Minimum 100 ns reset needed
+@@ -2303,7 +2303,7 @@ static int smc_drv_probe(struct platform_device *pdev)
+ 		ret = try_toggle_control_gpio(&pdev->dev, &lp->reset_gpio,
+ 					      "reset", 0, 0, 100);
+ 		if (ret)
+-			return ret;
++			goto out_free_netdev;
+ 
+ 		/*
+ 		 * Need to wait for optional EEPROM to load, max 750 us according
+diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c
+index 313e006f74fe..6f3519123eb6 100644
+--- a/drivers/net/hippi/rrunner.c
++++ b/drivers/net/hippi/rrunner.c
+@@ -1250,7 +1250,7 @@ static int rr_open(struct net_device *dev)
+ 		rrpriv->info = NULL;
+ 	}
+ 	if (rrpriv->rx_ctrl) {
+-		pci_free_consistent(pdev, sizeof(struct ring_ctrl),
++		pci_free_consistent(pdev, 256 * sizeof(struct ring_ctrl),
+ 				    rrpriv->rx_ctrl, rrpriv->rx_ctrl_dma);
+ 		rrpriv->rx_ctrl = NULL;
+ 	}
+diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
+index 7e94526de51c..5649cc075ccb 100644
+--- a/drivers/net/phy/dp83640.c
++++ b/drivers/net/phy/dp83640.c
+@@ -1337,6 +1337,7 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr)
+ 		dp83640->hwts_rx_en = 1;
+ 		dp83640->layer = PTP_CLASS_L4;
+ 		dp83640->version = PTP_CLASS_V1;
++		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
+ 		break;
+ 	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
+ 	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+@@ -1344,6 +1345,7 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr)
+ 		dp83640->hwts_rx_en = 1;
+ 		dp83640->layer = PTP_CLASS_L4;
+ 		dp83640->version = PTP_CLASS_V2;
++		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
+ 		break;
+ 	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
+ 	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
+@@ -1351,6 +1353,7 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr)
+ 		dp83640->hwts_rx_en = 1;
+ 		dp83640->layer = PTP_CLASS_L2;
+ 		dp83640->version = PTP_CLASS_V2;
++		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
+ 		break;
+ 	case HWTSTAMP_FILTER_PTP_V2_EVENT:
+ 	case HWTSTAMP_FILTER_PTP_V2_SYNC:
+@@ -1358,6 +1361,7 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr)
+ 		dp83640->hwts_rx_en = 1;
+ 		dp83640->layer = PTP_CLASS_L4 | PTP_CLASS_L2;
+ 		dp83640->version = PTP_CLASS_V2;
++		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
+ 		break;
+ 	default:
+ 		return -ERANGE;
+diff --git a/drivers/net/usb/ax88172a.c b/drivers/net/usb/ax88172a.c
+index 2c50497cc4ed..7ec8992401fb 100644
+--- a/drivers/net/usb/ax88172a.c
++++ b/drivers/net/usb/ax88172a.c
+@@ -217,6 +217,7 @@ static int ax88172a_bind(struct usbnet *dev, struct usb_interface *intf)
+ 	ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
+ 	if (ret < ETH_ALEN) {
+ 		netdev_err(dev->net, "Failed to read MAC address: %d\n", ret);
++		ret = -EIO;
+ 		goto free;
+ 	}
+ 	memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
+index 6676607164d6..f5657783fad4 100644
+--- a/drivers/net/wan/lapbether.c
++++ b/drivers/net/wan/lapbether.c
+@@ -308,7 +308,6 @@ static void lapbeth_setup(struct net_device *dev)
+ 	dev->netdev_ops	     = &lapbeth_netdev_ops;
+ 	dev->destructor	     = free_netdev;
+ 	dev->type            = ARPHRD_X25;
+-	dev->hard_header_len = 3;
+ 	dev->mtu             = 1000;
+ 	dev->addr_len        = 0;
+ }
+@@ -329,6 +328,14 @@ static int lapbeth_new_device(struct net_device *dev)
+ 	if (!ndev)
+ 		goto out;
+ 
++	/* When transmitting data:
++	 * first this driver removes a pseudo header of 1 byte,
++	 * then the lapb module prepends an LAPB header of at most 3 bytes,
++	 * then this driver prepends a length field of 2 bytes,
++	 * then the underlying Ethernet device prepends its own header.
++	 */
++	ndev->hard_header_len = -1 + 3 + 2 + dev->hard_header_len;
++
+ 	lapbeth = netdev_priv(ndev);
+ 	lapbeth->axdev = ndev;
+ 
+diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
+index eb56bb5916be..3b983f645726 100644
+--- a/drivers/net/wan/x25_asy.c
++++ b/drivers/net/wan/x25_asy.c
+@@ -186,7 +186,7 @@ static inline void x25_asy_unlock(struct x25_asy *sl)
+ 	netif_wake_queue(sl->dev);
+ }
+ 
+-/* Send one completely decapsulated IP datagram to the IP layer. */
++/* Send an LAPB frame to the LAPB module to process. */
+ 
+ static void x25_asy_bump(struct x25_asy *sl)
+ {
+@@ -198,13 +198,12 @@ static void x25_asy_bump(struct x25_asy *sl)
+ 	count = sl->rcount;
+ 	dev->stats.rx_bytes += count;
+ 
+-	skb = dev_alloc_skb(count+1);
++	skb = dev_alloc_skb(count);
+ 	if (skb == NULL) {
+ 		netdev_warn(sl->dev, "memory squeeze, dropping packet\n");
+ 		dev->stats.rx_dropped++;
+ 		return;
+ 	}
+-	skb_push(skb, 1);	/* LAPB internal control */
+ 	memcpy(skb_put(skb, count), sl->rbuff, count);
+ 	skb->protocol = x25_type_trans(skb, sl->dev);
+ 	err = lapb_data_received(skb->dev, skb);
+@@ -212,7 +211,6 @@ static void x25_asy_bump(struct x25_asy *sl)
+ 		kfree_skb(skb);
+ 		printk(KERN_DEBUG "x25_asy: data received err - %d\n", err);
+ 	} else {
+-		netif_rx(skb);
+ 		dev->stats.rx_packets++;
+ 	}
+ }
+@@ -358,12 +356,21 @@ static netdev_tx_t x25_asy_xmit(struct sk_buff *skb,
+  */
+ 
+ /*
+- *	Called when I frame data arrives. We did the work above - throw it
+- *	at the net layer.
++ *	Called when I frame data arrive. We add a pseudo header for upper
++ *	layers and pass it to upper layers.
+  */
+ 
+ static int x25_asy_data_indication(struct net_device *dev, struct sk_buff *skb)
+ {
++	if (skb_cow(skb, 1)) {
++		kfree_skb(skb);
++		return NET_RX_DROP;
++	}
++	skb_push(skb, 1);
++	skb->data[0] = X25_IFACE_DATA;
++
++	skb->protocol = x25_type_trans(skb, dev);
++
+ 	return netif_rx(skb);
+ }
+ 
+@@ -659,7 +666,7 @@ static void x25_asy_unesc(struct x25_asy *sl, unsigned char s)
+ 	switch (s) {
+ 	case X25_END:
+ 		if (!test_and_clear_bit(SLF_ERROR, &sl->flags) &&
+-		    sl->rcount > 2)
++		    sl->rcount >= 2)
+ 			x25_asy_bump(sl);
+ 		clear_bit(SLF_ESCAPE, &sl->flags);
+ 		sl->rcount = 0;
+diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
+index 84b5f8a144ff..fb5b7ce3d2c3 100644
+--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
++++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
+@@ -641,9 +641,9 @@ err:
+ 
+ static void ath9k_hif_usb_rx_cb(struct urb *urb)
+ {
+-	struct sk_buff *skb = (struct sk_buff *) urb->context;
+-	struct hif_device_usb *hif_dev =
+-		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
++	struct rx_buf *rx_buf = (struct rx_buf *)urb->context;
++	struct hif_device_usb *hif_dev = rx_buf->hif_dev;
++	struct sk_buff *skb = rx_buf->skb;
+ 	int ret;
+ 
+ 	if (!skb)
+@@ -683,14 +683,15 @@ resubmit:
+ 	return;
+ free:
+ 	kfree_skb(skb);
++	kfree(rx_buf);
+ }
+ 
+ static void ath9k_hif_usb_reg_in_cb(struct urb *urb)
+ {
+-	struct sk_buff *skb = (struct sk_buff *) urb->context;
++	struct rx_buf *rx_buf = (struct rx_buf *)urb->context;
++	struct hif_device_usb *hif_dev = rx_buf->hif_dev;
++	struct sk_buff *skb = rx_buf->skb;
+ 	struct sk_buff *nskb;
+-	struct hif_device_usb *hif_dev =
+-		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
+ 	int ret;
+ 
+ 	if (!skb)
+@@ -730,11 +731,13 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb)
+ 			return;
+ 		}
+ 
++		rx_buf->skb = nskb;
++
+ 		usb_fill_int_urb(urb, hif_dev->udev,
+ 				 usb_rcvintpipe(hif_dev->udev,
+ 						 USB_REG_IN_PIPE),
+ 				 nskb->data, MAX_REG_IN_BUF_SIZE,
+-				 ath9k_hif_usb_reg_in_cb, nskb, 1);
++				 ath9k_hif_usb_reg_in_cb, rx_buf, 1);
+ 	}
+ 
+ resubmit:
+@@ -748,6 +751,7 @@ resubmit:
+ 	return;
+ free:
+ 	kfree_skb(skb);
++	kfree(rx_buf);
+ 	urb->context = NULL;
+ }
+ 
+@@ -793,7 +797,7 @@ static int ath9k_hif_usb_alloc_tx_urbs(struct hif_device_usb *hif_dev)
+ 	init_usb_anchor(&hif_dev->mgmt_submitted);
+ 
+ 	for (i = 0; i < MAX_TX_URB_NUM; i++) {
+-		tx_buf = kzalloc(sizeof(struct tx_buf), GFP_KERNEL);
++		tx_buf = kzalloc(sizeof(*tx_buf), GFP_KERNEL);
+ 		if (!tx_buf)
+ 			goto err;
+ 
+@@ -830,8 +834,9 @@ static void ath9k_hif_usb_dealloc_rx_urbs(struct hif_device_usb *hif_dev)
+ 
+ static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev)
+ {
+-	struct urb *urb = NULL;
++	struct rx_buf *rx_buf = NULL;
+ 	struct sk_buff *skb = NULL;
++	struct urb *urb = NULL;
+ 	int i, ret;
+ 
+ 	init_usb_anchor(&hif_dev->rx_submitted);
+@@ -839,6 +844,12 @@ static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev)
+ 
+ 	for (i = 0; i < MAX_RX_URB_NUM; i++) {
+ 
++		rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL);
++		if (!rx_buf) {
++			ret = -ENOMEM;
++			goto err_rxb;
++		}
++
+ 		/* Allocate URB */
+ 		urb = usb_alloc_urb(0, GFP_KERNEL);
+ 		if (urb == NULL) {
+@@ -853,11 +864,14 @@ static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev)
+ 			goto err_skb;
+ 		}
+ 
++		rx_buf->hif_dev = hif_dev;
++		rx_buf->skb = skb;
++
+ 		usb_fill_bulk_urb(urb, hif_dev->udev,
+ 				  usb_rcvbulkpipe(hif_dev->udev,
+ 						  USB_WLAN_RX_PIPE),
+ 				  skb->data, MAX_RX_BUF_SIZE,
+-				  ath9k_hif_usb_rx_cb, skb);
++				  ath9k_hif_usb_rx_cb, rx_buf);
+ 
+ 		/* Anchor URB */
+ 		usb_anchor_urb(urb, &hif_dev->rx_submitted);
+@@ -883,6 +897,8 @@ err_submit:
+ err_skb:
+ 	usb_free_urb(urb);
+ err_urb:
++	kfree(rx_buf);
++err_rxb:
+ 	ath9k_hif_usb_dealloc_rx_urbs(hif_dev);
+ 	return ret;
+ }
+@@ -894,14 +910,21 @@ static void ath9k_hif_usb_dealloc_reg_in_urbs(struct hif_device_usb *hif_dev)
+ 
+ static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev)
+ {
+-	struct urb *urb = NULL;
++	struct rx_buf *rx_buf = NULL;
+ 	struct sk_buff *skb = NULL;
++	struct urb *urb = NULL;
+ 	int i, ret;
+ 
+ 	init_usb_anchor(&hif_dev->reg_in_submitted);
+ 
+ 	for (i = 0; i < MAX_REG_IN_URB_NUM; i++) {
+ 
++		rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL);
++		if (!rx_buf) {
++			ret = -ENOMEM;
++			goto err_rxb;
++		}
++
+ 		/* Allocate URB */
+ 		urb = usb_alloc_urb(0, GFP_KERNEL);
+ 		if (urb == NULL) {
+@@ -916,11 +939,14 @@ static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev)
+ 			goto err_skb;
+ 		}
+ 
++		rx_buf->hif_dev = hif_dev;
++		rx_buf->skb = skb;
++
+ 		usb_fill_int_urb(urb, hif_dev->udev,
+ 				  usb_rcvintpipe(hif_dev->udev,
+ 						  USB_REG_IN_PIPE),
+ 				  skb->data, MAX_REG_IN_BUF_SIZE,
+-				  ath9k_hif_usb_reg_in_cb, skb, 1);
++				  ath9k_hif_usb_reg_in_cb, rx_buf, 1);
+ 
+ 		/* Anchor URB */
+ 		usb_anchor_urb(urb, &hif_dev->reg_in_submitted);
+@@ -946,6 +972,8 @@ err_submit:
+ err_skb:
+ 	usb_free_urb(urb);
+ err_urb:
++	kfree(rx_buf);
++err_rxb:
+ 	ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev);
+ 	return ret;
+ }
+diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h
+index a95cdf562611..835264c36595 100644
+--- a/drivers/net/wireless/ath/ath9k/hif_usb.h
++++ b/drivers/net/wireless/ath/ath9k/hif_usb.h
+@@ -84,6 +84,11 @@ struct tx_buf {
+ 	struct list_head list;
+ };
+ 
++struct rx_buf {
++	struct sk_buff *skb;
++	struct hif_device_usb *hif_dev;
++};
++
+ #define HIF_USB_TX_STOP  BIT(0)
+ #define HIF_USB_TX_FLUSH BIT(1)
+ 
+diff --git a/drivers/pinctrl/pinctrl-amd.h b/drivers/pinctrl/pinctrl-amd.h
+index e8bbb20779d0..83597e1d6dcd 100644
+--- a/drivers/pinctrl/pinctrl-amd.h
++++ b/drivers/pinctrl/pinctrl-amd.h
+@@ -250,7 +250,7 @@ static const struct amd_pingroup kerncz_groups[] = {
+ 	{
+ 		.name = "uart0",
+ 		.pins = uart0_pins,
+-		.npins = 9,
++		.npins = 5,
+ 	},
+ 	{
+ 		.name = "uart1",
+diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
+index 319868f3f674..083cd11ce7d7 100644
+--- a/drivers/scsi/scsi_transport_spi.c
++++ b/drivers/scsi/scsi_transport_spi.c
+@@ -353,7 +353,7 @@ store_spi_transport_##field(struct device *dev, 			\
+ 	struct spi_transport_attrs *tp					\
+ 		= (struct spi_transport_attrs *)&starget->starget_data;	\
+ 									\
+-	if (i->f->set_##field)						\
++	if (!i->f->set_##field)						\
+ 		return -EINVAL;						\
+ 	val = simple_strtoul(buf, NULL, 0);				\
+ 	if (val > tp->max_##field)					\
+diff --git a/drivers/staging/comedi/drivers/addi_apci_1032.c b/drivers/staging/comedi/drivers/addi_apci_1032.c
+index ccd1a91290bf..536a135cd00b 100644
+--- a/drivers/staging/comedi/drivers/addi_apci_1032.c
++++ b/drivers/staging/comedi/drivers/addi_apci_1032.c
+@@ -115,14 +115,22 @@ static int apci1032_cos_insn_config(struct comedi_device *dev,
+ 				    unsigned int *data)
+ {
+ 	struct apci1032_private *devpriv = dev->private;
+-	unsigned int shift, oldmask;
++	unsigned int shift, oldmask, himask, lomask;
+ 
+ 	switch (data[0]) {
+ 	case INSN_CONFIG_DIGITAL_TRIG:
+ 		if (data[1] != 0)
+ 			return -EINVAL;
+ 		shift = data[3];
+-		oldmask = (1U << shift) - 1;
++		if (shift < 32) {
++			oldmask = (1U << shift) - 1;
++			himask = data[4] << shift;
++			lomask = data[5] << shift;
++		} else {
++			oldmask = 0xffffffffu;
++			himask = 0;
++			lomask = 0;
++		}
+ 		switch (data[2]) {
+ 		case COMEDI_DIGITAL_TRIG_DISABLE:
+ 			devpriv->ctrl = 0;
+@@ -145,8 +153,8 @@ static int apci1032_cos_insn_config(struct comedi_device *dev,
+ 				devpriv->mode2 &= oldmask;
+ 			}
+ 			/* configure specified channels */
+-			devpriv->mode1 |= data[4] << shift;
+-			devpriv->mode2 |= data[5] << shift;
++			devpriv->mode1 |= himask;
++			devpriv->mode2 |= lomask;
+ 			break;
+ 		case COMEDI_DIGITAL_TRIG_ENABLE_LEVELS:
+ 			if (devpriv->ctrl != (APCI1032_CTRL_INT_ENA |
+@@ -163,8 +171,8 @@ static int apci1032_cos_insn_config(struct comedi_device *dev,
+ 				devpriv->mode2 &= oldmask;
+ 			}
+ 			/* configure specified channels */
+-			devpriv->mode1 |= data[4] << shift;
+-			devpriv->mode2 |= data[5] << shift;
++			devpriv->mode1 |= himask;
++			devpriv->mode2 |= lomask;
+ 			break;
+ 		default:
+ 			return -EINVAL;
+diff --git a/drivers/staging/comedi/drivers/addi_apci_1500.c b/drivers/staging/comedi/drivers/addi_apci_1500.c
+index 79a8799b1262..c4e36fb6df9d 100644
+--- a/drivers/staging/comedi/drivers/addi_apci_1500.c
++++ b/drivers/staging/comedi/drivers/addi_apci_1500.c
+@@ -461,13 +461,14 @@ static int apci1500_di_cfg_trig(struct comedi_device *dev,
+ 	struct apci1500_private *devpriv = dev->private;
+ 	unsigned int trig = data[1];
+ 	unsigned int shift = data[3];
+-	unsigned int hi_mask = data[4] << shift;
+-	unsigned int lo_mask = data[5] << shift;
+-	unsigned int chan_mask = hi_mask | lo_mask;
+-	unsigned int old_mask = (1 << shift) - 1;
++	unsigned int hi_mask;
++	unsigned int lo_mask;
++	unsigned int chan_mask;
++	unsigned int old_mask;
+ 	unsigned int pm;
+ 	unsigned int pt;
+ 	unsigned int pp;
++	unsigned int invalid_chan;
+ 
+ 	if (trig > 1) {
+ 		dev_dbg(dev->class_dev,
+@@ -475,7 +476,20 @@ static int apci1500_di_cfg_trig(struct comedi_device *dev,
+ 		return -EINVAL;
+ 	}
+ 
+-	if (chan_mask > 0xffff) {
++	if (shift <= 16) {
++		hi_mask = data[4] << shift;
++		lo_mask = data[5] << shift;
++		old_mask = (1U << shift) - 1;
++		invalid_chan = (data[4] | data[5]) >> (16 - shift);
++	} else {
++		hi_mask = 0;
++		lo_mask = 0;
++		old_mask = 0xffff;
++		invalid_chan = data[4] | data[5];
++	}
++	chan_mask = hi_mask | lo_mask;
++
++	if (invalid_chan) {
+ 		dev_dbg(dev->class_dev, "invalid digital trigger channel\n");
+ 		return -EINVAL;
+ 	}
+diff --git a/drivers/staging/comedi/drivers/addi_apci_1564.c b/drivers/staging/comedi/drivers/addi_apci_1564.c
+index 9bfb79c2e5c8..1b4ba19d599e 100644
+--- a/drivers/staging/comedi/drivers/addi_apci_1564.c
++++ b/drivers/staging/comedi/drivers/addi_apci_1564.c
+@@ -340,14 +340,22 @@ static int apci1564_cos_insn_config(struct comedi_device *dev,
+ 				    unsigned int *data)
+ {
+ 	struct apci1564_private *devpriv = dev->private;
+-	unsigned int shift, oldmask;
++	unsigned int shift, oldmask, himask, lomask;
+ 
+ 	switch (data[0]) {
+ 	case INSN_CONFIG_DIGITAL_TRIG:
+ 		if (data[1] != 0)
+ 			return -EINVAL;
+ 		shift = data[3];
+-		oldmask = (1U << shift) - 1;
++		if (shift < 32) {
++			oldmask = (1U << shift) - 1;
++			himask = data[4] << shift;
++			lomask = data[5] << shift;
++		} else {
++			oldmask = 0xffffffffu;
++			himask = 0;
++			lomask = 0;
++		}
+ 		switch (data[2]) {
+ 		case COMEDI_DIGITAL_TRIG_DISABLE:
+ 			devpriv->ctrl = 0;
+@@ -371,8 +379,8 @@ static int apci1564_cos_insn_config(struct comedi_device *dev,
+ 				devpriv->mode2 &= oldmask;
+ 			}
+ 			/* configure specified channels */
+-			devpriv->mode1 |= data[4] << shift;
+-			devpriv->mode2 |= data[5] << shift;
++			devpriv->mode1 |= himask;
++			devpriv->mode2 |= lomask;
+ 			break;
+ 		case COMEDI_DIGITAL_TRIG_ENABLE_LEVELS:
+ 			if (devpriv->ctrl != (APCI1564_DI_IRQ_ENA |
+@@ -389,8 +397,8 @@ static int apci1564_cos_insn_config(struct comedi_device *dev,
+ 				devpriv->mode2 &= oldmask;
+ 			}
+ 			/* configure specified channels */
+-			devpriv->mode1 |= data[4] << shift;
+-			devpriv->mode2 |= data[5] << shift;
++			devpriv->mode1 |= himask;
++			devpriv->mode2 |= lomask;
+ 			break;
+ 		default:
+ 			return -EINVAL;
+diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
+index 84c62e256094..6e411b634015 100644
+--- a/drivers/staging/comedi/drivers/ni_6527.c
++++ b/drivers/staging/comedi/drivers/ni_6527.c
+@@ -341,7 +341,7 @@ static int ni6527_intr_insn_config(struct comedi_device *dev,
+ 		case COMEDI_DIGITAL_TRIG_ENABLE_EDGES:
+ 			/* check shift amount */
+ 			shift = data[3];
+-			if (shift >= s->n_chan) {
++			if (shift >= 32) {
+ 				mask = 0;
+ 				rising = 0;
+ 				falling = 0;
+diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c
+index f7149bb23180..5297e7d1c663 100644
+--- a/drivers/staging/wlan-ng/prism2usb.c
++++ b/drivers/staging/wlan-ng/prism2usb.c
+@@ -60,11 +60,25 @@ static int prism2sta_probe_usb(struct usb_interface *interface,
+ 			       const struct usb_device_id *id)
+ {
+ 	struct usb_device *dev;
+-
++	const struct usb_endpoint_descriptor *epd;
++	const struct usb_host_interface *iface_desc = interface->cur_altsetting;
+ 	struct wlandevice *wlandev = NULL;
+ 	struct hfa384x *hw = NULL;
+ 	int result = 0;
+ 
++	if (iface_desc->desc.bNumEndpoints != 2) {
++		result = -ENODEV;
++		goto failed;
++	}
++
++	result = -EINVAL;
++	epd = &iface_desc->endpoint[1].desc;
++	if (!usb_endpoint_is_bulk_in(epd))
++		goto failed;
++	epd = &iface_desc->endpoint[2].desc;
++	if (!usb_endpoint_is_bulk_out(epd))
++		goto failed;
++
+ 	dev = interface_to_usbdev(interface);
+ 	wlandev = create_wlan();
+ 	if (!wlandev) {
+diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
+index c4e9eba36023..6624cc07ac04 100644
+--- a/drivers/tty/serial/8250/8250_core.c
++++ b/drivers/tty/serial/8250/8250_core.c
+@@ -529,6 +529,7 @@ static void __init serial8250_isa_init_ports(void)
+ 		 */
+ 		up->mcr_mask = ~ALPHA_KLUDGE_MCR;
+ 		up->mcr_force = ALPHA_KLUDGE_MCR;
++		serial8250_set_defaults(up);
+ 	}
+ 
+ 	/* chain base port ops to support Remote Supervisor Adapter */
+@@ -552,7 +553,6 @@ static void __init serial8250_isa_init_ports(void)
+ 		port->membase  = old_serial_port[i].iomem_base;
+ 		port->iotype   = old_serial_port[i].io_type;
+ 		port->regshift = old_serial_port[i].iomem_reg_shift;
+-		serial8250_set_defaults(up);
+ 
+ 		port->irqflags |= irqflag;
+ 		if (serial8250_isa_config != NULL)
+diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
+index 91db9ca1c6c9..c54f57e4a7dd 100644
+--- a/drivers/tty/serial/8250/8250_mtk.c
++++ b/drivers/tty/serial/8250/8250_mtk.c
+@@ -45,8 +45,21 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios,
+ 	unsigned long flags;
+ 	unsigned int baud, quot;
+ 
++	/*
++	 * Store the requested baud rate before calling the generic 8250
++	 * set_termios method. Standard 8250 port expects bauds to be
++	 * no higher than (uartclk / 16) so the baud will be clamped if it
++	 * gets out of that bound. Mediatek 8250 port supports speed
++	 * higher than that, therefore we'll get original baud rate back
++	 * after calling the generic set_termios method and recalculate
++	 * the speed later in this method.
++	 */
++	baud = tty_termios_baud_rate(termios);
++
+ 	serial8250_do_set_termios(port, termios, old);
+ 
++	tty_termios_encode_baud_rate(termios, baud, baud);
++
+ 	/*
+ 	 * Mediatek UARTs use an extra highspeed register (UART_MTK_HIGHS)
+ 	 *
+@@ -85,6 +98,11 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios,
+ 	 */
+ 	spin_lock_irqsave(&port->lock, flags);
+ 
++	/*
++	 * Update the per-port timeout.
++	 */
++	uart_update_timeout(port, termios->c_cflag, baud);
++
+ 	/* set DLAB we have cval saved in up->lcr from the call to the core */
+ 	serial_port_out(port, UART_LCR, up->lcr | UART_LCR_DLAB);
+ 	serial_dl_write(up, quot);
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
+index 29fb08c8a2fd..3e5a3614fad0 100644
+--- a/drivers/tty/vt/vt.c
++++ b/drivers/tty/vt/vt.c
+@@ -765,10 +765,19 @@ static const struct tty_port_operations vc_port_ops = {
+ 	.destruct = vc_port_destruct,
+ };
+ 
++/*
++ * Change # of rows and columns (0 means unchanged/the size of fg_console)
++ * [this is to be used together with some user program
++ * like resize that changes the hardware videomode]
++ */
++#define VC_MAXCOL (32767)
++#define VC_MAXROW (32767)
++
+ int vc_allocate(unsigned int currcons)	/* return 0 on success */
+ {
+ 	struct vt_notifier_param param;
+ 	struct vc_data *vc;
++	int err;
+ 
+ 	WARN_CONSOLE_UNLOCKED();
+ 
+@@ -798,6 +807,11 @@ int vc_allocate(unsigned int currcons)	/* return 0 on success */
+ 	if (!*vc->vc_uni_pagedir_loc)
+ 		con_set_default_unimap(vc);
+ 
++	err = -EINVAL;
++	if (vc->vc_cols > VC_MAXCOL || vc->vc_rows > VC_MAXROW ||
++	    vc->vc_screenbuf_size > KMALLOC_MAX_SIZE || !vc->vc_screenbuf_size)
++		goto err_free;
++	err = -ENOMEM;
+ 	vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_KERNEL);
+ 	if (!vc->vc_screenbuf)
+ 		goto err_free;
+@@ -815,7 +829,7 @@ int vc_allocate(unsigned int currcons)	/* return 0 on success */
+ err_free:
+ 	kfree(vc);
+ 	vc_cons[currcons].d = NULL;
+-	return -ENOMEM;
++	return err;
+ }
+ 
+ static inline int resize_screen(struct vc_data *vc, int width, int height,
+@@ -830,14 +844,6 @@ static inline int resize_screen(struct vc_data *vc, int width, int height,
+ 	return err;
+ }
+ 
+-/*
+- * Change # of rows and columns (0 means unchanged/the size of fg_console)
+- * [this is to be used together with some user program
+- * like resize that changes the hardware videomode]
+- */
+-#define VC_RESIZE_MAXCOL (32767)
+-#define VC_RESIZE_MAXROW (32767)
+-
+ /**
+  *	vc_do_resize	-	resizing method for the tty
+  *	@tty: tty being resized
+@@ -872,7 +878,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
+ 	user = vc->vc_resize_user;
+ 	vc->vc_resize_user = 0;
+ 
+-	if (cols > VC_RESIZE_MAXCOL || lines > VC_RESIZE_MAXROW)
++	if (cols > VC_MAXCOL || lines > VC_MAXROW)
+ 		return -EINVAL;
+ 
+ 	new_cols = (cols ? cols : vc->vc_cols);
+@@ -883,7 +889,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
+ 	if (new_cols == vc->vc_cols && new_rows == vc->vc_rows)
+ 		return 0;
+ 
+-	if (new_screen_size > (4 << 20))
++	if (new_screen_size > (4 << 20) || !new_screen_size)
+ 		return -EINVAL;
+ 	newscreen = kzalloc(new_screen_size, GFP_USER);
+ 	if (!newscreen)
+@@ -3033,6 +3039,7 @@ static int __init con_init(void)
+ 		INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
+ 		tty_port_init(&vc->port);
+ 		visual_init(vc, currcons, 1);
++		/* Assuming vc->vc_{cols,rows,screenbuf_size} are sane here. */
+ 		vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_NOWAIT);
+ 		vc_init(vc, vc->vc_rows, vc->vc_cols,
+ 			currcons || !vc->vc_sw->con_save_screen);
+diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
+index 9e246d2e55ca..f2b165182b4b 100644
+--- a/drivers/usb/gadget/udc/gr_udc.c
++++ b/drivers/usb/gadget/udc/gr_udc.c
+@@ -2000,9 +2000,12 @@ static int gr_ep_init(struct gr_udc *dev, int num, int is_in, u32 maxplimit)
+ 
+ 	if (num == 0) {
+ 		_req = gr_alloc_request(&ep->ep, GFP_ATOMIC);
++		if (!_req)
++			return -ENOMEM;
++
+ 		buf = devm_kzalloc(dev->dev, PAGE_SIZE, GFP_DMA | GFP_ATOMIC);
+-		if (!_req || !buf) {
+-			/* possible _req freed by gr_probe via gr_remove */
++		if (!buf) {
++			gr_free_request(&ep->ep, _req);
+ 			return -ENOMEM;
+ 		}
+ 
+diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
+index 144674913c78..3929ac8c6a73 100644
+--- a/drivers/usb/host/xhci-mtk-sch.c
++++ b/drivers/usb/host/xhci-mtk-sch.c
+@@ -284,6 +284,10 @@ static bool need_bw_sch(struct usb_host_endpoint *ep,
+ 	if (is_fs_or_ls(speed) && !has_tt)
+ 		return false;
+ 
++	/* skip endpoint with zero maxpkt */
++	if (usb_endpoint_maxp(&ep->desc) == 0)
++		return false;
++
+ 	return true;
+ }
+ 
+diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
+index 4355fbc36fce..bb63cc5cbca0 100644
+--- a/drivers/usb/host/xhci-pci.c
++++ b/drivers/usb/host/xhci-pci.c
+@@ -213,6 +213,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
+ 	if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
+ 			pdev->device == 0x1142)
+ 		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
++	if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
++			pdev->device == 0x2142)
++		xhci->quirks |= XHCI_NO_64BIT_SUPPORT;
+ 
+ 	if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
+ 		pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI)
+diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
+index 2973d256bb44..bb008ac507fe 100644
+--- a/fs/btrfs/backref.c
++++ b/fs/btrfs/backref.c
+@@ -1550,6 +1550,7 @@ static int __btrfs_find_all_roots(struct btrfs_trans_handle *trans,
+ 		if (ret < 0 && ret != -ENOENT) {
+ 			ulist_free(tmp);
+ 			ulist_free(*roots);
++			*roots = NULL;
+ 			return ret;
+ 		}
+ 		node = ulist_next(tmp, &uiter);
+diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
+index 70aa22a8a9cc..bace03a546b2 100644
+--- a/fs/btrfs/volumes.c
++++ b/fs/btrfs/volumes.c
+@@ -6854,6 +6854,14 @@ int btrfs_read_chunk_tree(struct btrfs_root *root)
+ 	mutex_lock(&uuid_mutex);
+ 	lock_chunks(root);
+ 
++	/*
++	 * It is possible for mount and umount to race in such a way that
++	 * we execute this code path, but open_fs_devices failed to clear
++	 * total_rw_bytes. We certainly want it cleared before reading the
++	 * device items, so clear it here.
++	 */
++	root->fs_info->fs_devices->total_rw_bytes = 0;
++
+ 	/*
+ 	 * Read all device items, and then all the chunk items. All
+ 	 * device items are found before any chunk item (their object id
+diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
+index acd8e0dccab4..5478902a0100 100644
+--- a/fs/cifs/inode.c
++++ b/fs/cifs/inode.c
+@@ -1770,7 +1770,6 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
+ 	FILE_UNIX_BASIC_INFO *info_buf_target;
+ 	unsigned int xid;
+ 	int rc, tmprc;
+-	bool new_target = d_really_is_negative(target_dentry);
+ 
+ 	if (flags & ~RENAME_NOREPLACE)
+ 		return -EINVAL;
+@@ -1847,13 +1846,8 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
+ 	 */
+ 
+ unlink_target:
+-	/*
+-	 * If the target dentry was created during the rename, try
+-	 * unlinking it if it's not negative
+-	 */
+-	if (new_target &&
+-	    d_really_is_positive(target_dentry) &&
+-	    (rc == -EACCES || rc == -EEXIST)) {
++	/* Try unlinking the target dentry if it's not negative */
++	if (d_really_is_positive(target_dentry) && (rc == -EACCES || rc == -EEXIST)) {
+ 		if (d_is_dir(target_dentry))
+ 			tmprc = cifs_rmdir(target_dir, target_dentry);
+ 		else
+diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
+index 1affdec23729..de135d2591ff 100644
+--- a/fs/nfs/direct.c
++++ b/fs/nfs/direct.c
+@@ -379,6 +379,8 @@ static void nfs_direct_complete(struct nfs_direct_req *dreq)
+ {
+ 	struct inode *inode = dreq->inode;
+ 
++	inode_dio_end(inode);
++
+ 	if (dreq->iocb) {
+ 		long res = (long) dreq->error;
+ 		if (dreq->count != 0) {
+@@ -390,10 +392,7 @@ static void nfs_direct_complete(struct nfs_direct_req *dreq)
+ 
+ 	complete(&dreq->completion);
+ 
+-	igrab(inode);
+ 	nfs_direct_req_release(dreq);
+-	inode_dio_end(inode);
+-	iput(inode);
+ }
+ 
+ static void nfs_direct_readpage_release(struct nfs_page *req)
+@@ -535,10 +534,8 @@ static ssize_t nfs_direct_read_schedule_iovec(struct nfs_direct_req *dreq,
+ 	 * generic layer handle the completion.
+ 	 */
+ 	if (requested_bytes == 0) {
+-		igrab(inode);
+-		nfs_direct_req_release(dreq);
+ 		inode_dio_end(inode);
+-		iput(inode);
++		nfs_direct_req_release(dreq);
+ 		return result < 0 ? result : -EIO;
+ 	}
+ 
+@@ -956,10 +953,8 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq,
+ 	 * generic layer handle the completion.
+ 	 */
+ 	if (requested_bytes == 0) {
+-		igrab(inode);
+-		nfs_direct_req_release(dreq);
+ 		inode_dio_end(inode);
+-		iput(inode);
++		nfs_direct_req_release(dreq);
+ 		return result < 0 ? result : -EIO;
+ 	}
+ 
+diff --git a/fs/nfs/file.c b/fs/nfs/file.c
+index a89d2f793c1b..1eec947c562d 100644
+--- a/fs/nfs/file.c
++++ b/fs/nfs/file.c
+@@ -82,7 +82,6 @@ nfs_file_release(struct inode *inode, struct file *filp)
+ 	dprintk("NFS: release(%pD2)\n", filp);
+ 
+ 	nfs_inc_stats(inode, NFSIOS_VFSRELEASE);
+-	inode_dio_wait(inode);
+ 	nfs_file_clear_open_context(filp);
+ 	return 0;
+ }
+diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
+index 9ca8809ee3d0..e390a7882933 100644
+--- a/fs/xfs/libxfs/xfs_bmap.c
++++ b/fs/xfs/libxfs/xfs_bmap.c
+@@ -781,6 +781,8 @@ try_another_ag:
+ 	*logflagsp = 0;
+ 	if ((error = xfs_alloc_vextent(&args))) {
+ 		xfs_iroot_realloc(ip, -1, whichfork);
++		ASSERT(ifp->if_broot == NULL);
++		XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_EXTENTS);
+ 		xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
+ 		return error;
+ 	}
+@@ -801,6 +803,8 @@ try_another_ag:
+ 	}
+ 	if (WARN_ON_ONCE(args.fsbno == NULLFSBLOCK)) {
+ 		xfs_iroot_realloc(ip, -1, whichfork);
++		ASSERT(ifp->if_broot == NULL);
++		XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_EXTENTS);
+ 		xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
+ 		return -ENOSPC;
+ 	}
+diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
+index 58df02bd93c9..fa46183b163b 100644
+--- a/include/linux/io-mapping.h
++++ b/include/linux/io-mapping.h
+@@ -120,9 +120,12 @@ io_mapping_init_wc(struct io_mapping *iomap,
+ 		   resource_size_t base,
+ 		   unsigned long size)
+ {
++	iomap->iomem = ioremap_wc(base, size);
++	if (!iomap->iomem)
++		return NULL;
++
+ 	iomap->base = base;
+ 	iomap->size = size;
+-	iomap->iomem = ioremap_wc(base, size);
+ #if defined(pgprot_noncached_wc) /* archs can't agree on a name ... */
+ 	iomap->prot = pgprot_noncached_wc(PAGE_KERNEL);
+ #elif defined(pgprot_writecombine)
+diff --git a/include/linux/tcp.h b/include/linux/tcp.h
+index 7f517458c64f..53eb9fecd263 100644
+--- a/include/linux/tcp.h
++++ b/include/linux/tcp.h
+@@ -218,6 +218,8 @@ struct tcp_sock {
+ 		u8 reord;    /* reordering detected */
+ 	} rack;
+ 	u16	advmss;		/* Advertised MSS			*/
++	u8	tlp_retrans:1,	/* TLP is a retransmission */
++		unused_1:7;
+ 	u8	rate_app_limited:1,  /* rate_{delivered,interval_us} limited? */
+ 		is_sack_reneg:1,    /* in recovery from loss with SACK reneg? */
+ 		unused:6;
+@@ -234,7 +236,7 @@ struct tcp_sock {
+ 		syn_data_acked:1,/* data in SYN is acked by SYN-ACK */
+ 		save_syn:1,	/* Save headers of SYN packet */
+ 		is_cwnd_limited:1;/* forward progress limited by snd_cwnd? */
+-	u32	tlp_high_seq;	/* snd_nxt at the time of TLP retransmit. */
++	u32	tlp_high_seq;	/* snd_nxt at the time of TLP */
+ 
+ /* RTT measurement */
+ 	u32	srtt_us;	/* smoothed round trip time << 3 in usecs */
+diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
+index 1fcaa174ed32..3f1d008a7c28 100644
+--- a/kernel/events/uprobes.c
++++ b/kernel/events/uprobes.c
+@@ -1885,7 +1885,7 @@ static void handle_swbp(struct pt_regs *regs)
+ 	if (!uprobe) {
+ 		if (is_swbp > 0) {
+ 			/* No matching uprobe; signal SIGTRAP. */
+-			send_sig(SIGTRAP, current, 0);
++			force_sig(SIGTRAP, current);
+ 		} else {
+ 			/*
+ 			 * Either we raced with uprobe_unregister() or we can't
+diff --git a/mm/memcontrol.c b/mm/memcontrol.c
+index 2f7f934bf435..d4232744c59f 100644
+--- a/mm/memcontrol.c
++++ b/mm/memcontrol.c
+@@ -4794,7 +4794,6 @@ static void __mem_cgroup_clear_mc(void)
+ 		if (!mem_cgroup_is_root(mc.to))
+ 			page_counter_uncharge(&mc.to->memory, mc.moved_swap);
+ 
+-		mem_cgroup_id_get_many(mc.to, mc.moved_swap);
+ 		css_put_many(&mc.to->css, mc.moved_swap);
+ 
+ 		mc.moved_swap = 0;
+@@ -4972,7 +4971,8 @@ put:			/* get_mctgt_type() gets the page */
+ 			ent = target.ent;
+ 			if (!mem_cgroup_move_swap_account(ent, mc.from, mc.to)) {
+ 				mc.precharge--;
+-				/* we fixup refcnts and charges later. */
++				mem_cgroup_id_get_many(mc.to, 1);
++				/* we fixup other refcnts and charges later. */
+ 				mc.moved_swap++;
+ 			}
+ 			break;
+diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
+index 02be8ee23271..64fede18aa33 100644
+--- a/net/ax25/af_ax25.c
++++ b/net/ax25/af_ax25.c
+@@ -1191,7 +1191,10 @@ static int __must_check ax25_connect(struct socket *sock,
+ 	if (addr_len > sizeof(struct sockaddr_ax25) &&
+ 	    fsa->fsa_ax25.sax25_ndigis != 0) {
+ 		/* Valid number of digipeaters ? */
+-		if (fsa->fsa_ax25.sax25_ndigis < 1 || fsa->fsa_ax25.sax25_ndigis > AX25_MAX_DIGIS) {
++		if (fsa->fsa_ax25.sax25_ndigis < 1 ||
++		    fsa->fsa_ax25.sax25_ndigis > AX25_MAX_DIGIS ||
++		    addr_len < sizeof(struct sockaddr_ax25) +
++		    sizeof(ax25_address) * fsa->fsa_ax25.sax25_ndigis) {
+ 			err = -EINVAL;
+ 			goto out_release;
+ 		}
+@@ -1510,7 +1513,10 @@ static int ax25_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
+ 			struct full_sockaddr_ax25 *fsa = (struct full_sockaddr_ax25 *)usax;
+ 
+ 			/* Valid number of digipeaters ? */
+-			if (usax->sax25_ndigis < 1 || usax->sax25_ndigis > AX25_MAX_DIGIS) {
++			if (usax->sax25_ndigis < 1 ||
++			    usax->sax25_ndigis > AX25_MAX_DIGIS ||
++			    addr_len < sizeof(struct sockaddr_ax25) +
++			    sizeof(ax25_address) * usax->sax25_ndigis) {
+ 				err = -EINVAL;
+ 				goto out;
+ 			}
+diff --git a/net/core/dev.c b/net/core/dev.c
+index 267b648a0645..dd8d36feb69f 100644
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -4392,7 +4392,7 @@ static void flush_backlog(struct work_struct *work)
+ 	skb_queue_walk_safe(&sd->input_pkt_queue, skb, tmp) {
+ 		if (skb->dev->reg_state == NETREG_UNREGISTERING) {
+ 			__skb_unlink(skb, &sd->input_pkt_queue);
+-			kfree_skb(skb);
++			dev_kfree_skb_irq(skb);
+ 			input_queue_head_incr(sd);
+ 		}
+ 	}
+diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
+index 3333693d8052..3fb5d8ecc849 100644
+--- a/net/core/net-sysfs.c
++++ b/net/core/net-sysfs.c
+@@ -1018,7 +1018,7 @@ static ssize_t show_trans_timeout(struct netdev_queue *queue,
+ 	trans_timeout = queue->trans_timeout;
+ 	spin_unlock_irq(&queue->_xmit_lock);
+ 
+-	return sprintf(buf, "%lu", trans_timeout);
++	return sprintf(buf, fmt_ulong, trans_timeout);
+ }
+ 
+ #ifdef CONFIG_XPS
+diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
+index b3953f789891..23246d8a3eae 100644
+--- a/net/ipv4/tcp_input.c
++++ b/net/ipv4/tcp_input.c
+@@ -3566,10 +3566,8 @@ static void tcp_replace_ts_recent(struct tcp_sock *tp, u32 seq)
+ 	}
+ }
+ 
+-/* This routine deals with acks during a TLP episode.
+- * We mark the end of a TLP episode on receiving TLP dupack or when
+- * ack is after tlp_high_seq.
+- * Ref: loss detection algorithm in draft-dukkipati-tcpm-tcp-loss-probe.
++/* This routine deals with acks during a TLP episode and ends an episode by
++ * resetting tlp_high_seq. Ref: TLP algorithm in draft-ietf-tcpm-rack
+  */
+ static void tcp_process_tlp_ack(struct sock *sk, u32 ack, int flag)
+ {
+@@ -3578,7 +3576,10 @@ static void tcp_process_tlp_ack(struct sock *sk, u32 ack, int flag)
+ 	if (before(ack, tp->tlp_high_seq))
+ 		return;
+ 
+-	if (flag & FLAG_DSACKING_ACK) {
++	if (!tp->tlp_retrans) {
++		/* TLP of new data has been acknowledged */
++		tp->tlp_high_seq = 0;
++	} else if (flag & FLAG_DSACKING_ACK) {
+ 		/* This DSACK means original and TLP probe arrived; no loss */
+ 		tp->tlp_high_seq = 0;
+ 	} else if (after(ack, tp->tlp_high_seq)) {
+diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
+index 84d74c431f83..b730b994b1c7 100644
+--- a/net/ipv4/tcp_output.c
++++ b/net/ipv4/tcp_output.c
+@@ -2357,6 +2357,11 @@ void tcp_send_loss_probe(struct sock *sk)
+ 	int pcount;
+ 	int mss = tcp_current_mss(sk);
+ 
++	/* At most one outstanding TLP */
++	if (tp->tlp_high_seq)
++		goto rearm_timer;
++
++	tp->tlp_retrans = 0;
+ 	skb = tcp_send_head(sk);
+ 	if (skb) {
+ 		if (tcp_snd_wnd_test(tp, skb, mss)) {
+@@ -2379,10 +2384,6 @@ void tcp_send_loss_probe(struct sock *sk)
+ 		return;
+ 	}
+ 
+-	/* At most one outstanding TLP retransmission. */
+-	if (tp->tlp_high_seq)
+-		goto rearm_timer;
+-
+ 	if (skb_still_in_host_queue(sk, skb))
+ 		goto rearm_timer;
+ 
+@@ -2403,10 +2404,12 @@ void tcp_send_loss_probe(struct sock *sk)
+ 	if (__tcp_retransmit_skb(sk, skb, 1))
+ 		goto rearm_timer;
+ 
++	tp->tlp_retrans = 1;
++
++probe_sent:
+ 	/* Record snd_nxt for loss detection. */
+ 	tp->tlp_high_seq = tp->snd_nxt;
+ 
+-probe_sent:
+ 	NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPLOSSPROBES);
+ 	/* Reset s.t. tcp_rearm_rto will restart timer from now */
+ 	inet_csk(sk)->icsk_pending = 0;
+diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
+index 1bb1e27d3d13..18a1a4890c5f 100644
+--- a/net/ipv4/udp.c
++++ b/net/ipv4/udp.c
+@@ -1554,7 +1554,7 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+ 	/*
+ 	 * 	UDP-Lite specific tests, ignored on UDP sockets
+ 	 */
+-	if ((is_udplite & UDPLITE_RECV_CC)  &&  UDP_SKB_CB(skb)->partial_cov) {
++	if ((up->pcflag & UDPLITE_RECV_CC)  &&  UDP_SKB_CB(skb)->partial_cov) {
+ 
+ 		/*
+ 		 * MIB statistics other than incrementing the error count are
+diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
+index ca001ecb7197..e0a2a3d6772d 100644
+--- a/net/ipv6/ip6_gre.c
++++ b/net/ipv6/ip6_gre.c
+@@ -1130,15 +1130,16 @@ static void ip6gre_destroy_tunnels(struct net *net, struct list_head *head)
+ static int __net_init ip6gre_init_net(struct net *net)
+ {
+ 	struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
++	struct net_device *ndev;
+ 	int err;
+ 
+-	ign->fb_tunnel_dev = alloc_netdev(sizeof(struct ip6_tnl), "ip6gre0",
+-					  NET_NAME_UNKNOWN,
+-					  ip6gre_tunnel_setup);
+-	if (!ign->fb_tunnel_dev) {
++	ndev = alloc_netdev(sizeof(struct ip6_tnl), "ip6gre0",
++			    NET_NAME_UNKNOWN, ip6gre_tunnel_setup);
++	if (!ndev) {
+ 		err = -ENOMEM;
+ 		goto err_alloc_dev;
+ 	}
++	ign->fb_tunnel_dev = ndev;
+ 	dev_net_set(ign->fb_tunnel_dev, net);
+ 	/* FB netdevice is special: we have one, and only one per netns.
+ 	 * Allowing to move it to another netns is clearly unsafe.
+@@ -1158,7 +1159,7 @@ static int __net_init ip6gre_init_net(struct net *net)
+ 	return 0;
+ 
+ err_reg_dev:
+-	ip6gre_dev_free(ign->fb_tunnel_dev);
++	ip6gre_dev_free(ndev);
+ err_alloc_dev:
+ 	return err;
+ }
+diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
+index 6a397e110b46..1ad84e18c03b 100644
+--- a/net/ipv6/udp.c
++++ b/net/ipv6/udp.c
+@@ -601,7 +601,7 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+ 	/*
+ 	 * UDP-Lite specific tests, ignored on UDP sockets (see net/ipv4/udp.c).
+ 	 */
+-	if ((is_udplite & UDPLITE_RECV_CC)  &&  UDP_SKB_CB(skb)->partial_cov) {
++	if ((up->pcflag & UDPLITE_RECV_CC)  &&  UDP_SKB_CB(skb)->partial_cov) {
+ 
+ 		if (up->pcrlen == 0) {          /* full coverage was set  */
+ 			net_dbg_ratelimited("UDPLITE6: partial coverage %d while full coverage %d requested\n",
+diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
+index d3334fd84ca2..9be82ed02e0e 100644
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -2098,6 +2098,7 @@ static int ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx)
+ 
+ static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
+ {
++	struct ieee80211_hdr *hdr = (void *)rx->skb->data;
+ 	struct sk_buff *skb = rx->skb;
+ 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+ 
+@@ -2108,6 +2109,31 @@ static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
+ 	if (status->flag & RX_FLAG_DECRYPTED)
+ 		return 0;
+ 
++	/* check mesh EAPOL frames first */
++	if (unlikely(rx->sta && ieee80211_vif_is_mesh(&rx->sdata->vif) &&
++		     ieee80211_is_data(fc))) {
++		struct ieee80211s_hdr *mesh_hdr;
++		u16 hdr_len = ieee80211_hdrlen(fc);
++		u16 ethertype_offset;
++		__be16 ethertype;
++
++		if (!ether_addr_equal(hdr->addr1, rx->sdata->vif.addr))
++			goto drop_check;
++
++		/* make sure fixed part of mesh header is there, also checks skb len */
++		if (!pskb_may_pull(rx->skb, hdr_len + 6))
++			goto drop_check;
++
++		mesh_hdr = (struct ieee80211s_hdr *)(skb->data + hdr_len);
++		ethertype_offset = hdr_len + ieee80211_get_mesh_hdrlen(mesh_hdr) +
++				   sizeof(rfc1042_header);
++
++		if (skb_copy_bits(rx->skb, ethertype_offset, &ethertype, 2) == 0 &&
++		    ethertype == rx->sdata->control_port_protocol)
++			return 0;
++	}
++
++drop_check:
+ 	/* Drop unencrypted frames if key is set. */
+ 	if (unlikely(!ieee80211_has_protected(fc) &&
+ 		     !ieee80211_is_any_nullfunc(fc) &&
+diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
+index 72de69175476..702ebcfa18dc 100644
+--- a/net/rxrpc/recvmsg.c
++++ b/net/rxrpc/recvmsg.c
+@@ -439,7 +439,7 @@ try_again:
+ 	    list_empty(&rx->recvmsg_q) &&
+ 	    rx->sk.sk_state != RXRPC_SERVER_LISTENING) {
+ 		release_sock(&rx->sk);
+-		return -ENODATA;
++		return -EAGAIN;
+ 	}
+ 
+ 	if (list_empty(&rx->recvmsg_q)) {
+diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
+index 1de27c39564b..2ec1c29eeba4 100644
+--- a/net/rxrpc/sendmsg.c
++++ b/net/rxrpc/sendmsg.c
+@@ -191,7 +191,7 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
+ 	/* this should be in poll */
+ 	sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk);
+ 
+-	if (sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN))
++	if (sk->sk_shutdown & SEND_SHUTDOWN)
+ 		return -EPIPE;
+ 
+ 	more = msg->msg_flags & MSG_MORE;
+diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
+index 98cf6343afcd..61564e56e3aa 100755
+--- a/scripts/decode_stacktrace.sh
++++ b/scripts/decode_stacktrace.sh
+@@ -76,8 +76,8 @@ parse_symbol() {
+ 		return
+ 	fi
+ 
+-	# Strip out the base of the path
+-	code=${code#$basepath/}
++	# Strip out the base of the path on each line
++	code=$(while read -r line; do echo "${line#$basepath/}"; done <<< "$code")
+ 
+ 	# In the case of inlines, move everything to same line
+ 	code=${code//$'\n'/' '}
+diff --git a/sound/core/info.c b/sound/core/info.c
+index 358a6947342d..8a6fa8fd0aab 100644
+--- a/sound/core/info.c
++++ b/sound/core/info.c
+@@ -634,7 +634,9 @@ int snd_info_get_line(struct snd_info_buffer *buffer, char *line, int len)
+ {
+ 	int c = -1;
+ 
+-	if (snd_BUG_ON(!buffer || !buffer->buffer))
++	if (snd_BUG_ON(!buffer))
++		return 1;
++	if (!buffer->buffer)
+ 		return 1;
+ 	if (len <= 0 || buffer->stop || buffer->error)
+ 		return 1;
+diff --git a/sound/soc/codecs/rt5670.h b/sound/soc/codecs/rt5670.h
+index 3f1b0f1df809..e4e31e82311d 100644
+--- a/sound/soc/codecs/rt5670.h
++++ b/sound/soc/codecs/rt5670.h
+@@ -760,7 +760,7 @@
+ #define RT5670_PWR_VREF2_BIT			4
+ #define RT5670_PWR_FV2				(0x1 << 3)
+ #define RT5670_PWR_FV2_BIT			3
+-#define RT5670_LDO_SEL_MASK			(0x3)
++#define RT5670_LDO_SEL_MASK			(0x7)
+ #define RT5670_LDO_SEL_SFT			0
+ 
+ /* Power Management for Analog 2 (0x64) */
+diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
+index 7228d141a789..676568286eef 100644
+--- a/tools/perf/builtin-script.c
++++ b/tools/perf/builtin-script.c
+@@ -1516,7 +1516,7 @@ static int is_directory(const char *base_path, const struct dirent *dent)
+ 	char path[PATH_MAX];
+ 	struct stat st;
+ 
+-	sprintf(path, "%s/%s", base_path, dent->d_name);
++	scnprintf(path, PATH_MAX, "%s/%s", base_path, dent->d_name);
+ 	if (stat(path, &st))
+ 		return 0;
+ 
+@@ -1702,8 +1702,8 @@ static int list_available_scripts(const struct option *opt __maybe_unused,
+ 	}
+ 
+ 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
+-		snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
+-			 lang_dirent->d_name);
++		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
++			  lang_dirent->d_name);
+ 		lang_dir = opendir(lang_path);
+ 		if (!lang_dir)
+ 			continue;
+@@ -1712,8 +1712,8 @@ static int list_available_scripts(const struct option *opt __maybe_unused,
+ 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
+ 			if (script_root) {
+ 				desc = script_desc__findnew(script_root);
+-				snprintf(script_path, MAXPATHLEN, "%s/%s",
+-					 lang_path, script_dirent->d_name);
++				scnprintf(script_path, MAXPATHLEN, "%s/%s",
++					  lang_path, script_dirent->d_name);
+ 				read_script_info(desc, script_path);
+ 				free(script_root);
+ 			}
+@@ -1749,7 +1749,7 @@ static int check_ev_match(char *dir_name, char *scriptname,
+ 	int match, len;
+ 	FILE *fp;
+ 
+-	sprintf(filename, "%s/bin/%s-record", dir_name, scriptname);
++	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
+ 
+ 	fp = fopen(filename, "r");
+ 	if (!fp)
+@@ -1825,8 +1825,8 @@ int find_scripts(char **scripts_array, char **scripts_path_array)
+ 	}
+ 
+ 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
+-		snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
+-			 lang_dirent->d_name);
++		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
++			  lang_dirent->d_name);
+ #ifdef NO_LIBPERL
+ 		if (strstr(lang_path, "perl"))
+ 			continue;
+@@ -1881,8 +1881,8 @@ static char *get_script_path(const char *script_root, const char *suffix)
+ 		return NULL;
+ 
+ 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
+-		snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
+-			 lang_dirent->d_name);
++		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
++			  lang_dirent->d_name);
+ 		lang_dir = opendir(lang_path);
+ 		if (!lang_dir)
+ 			continue;
+@@ -1893,8 +1893,8 @@ static char *get_script_path(const char *script_root, const char *suffix)
+ 				free(__script_root);
+ 				closedir(lang_dir);
+ 				closedir(scripts_dir);
+-				snprintf(script_path, MAXPATHLEN, "%s/%s",
+-					 lang_path, script_dirent->d_name);
++				scnprintf(script_path, MAXPATHLEN, "%s/%s",
++					  lang_path, script_dirent->d_name);
+ 				return strdup(script_path);
+ 			}
+ 			free(__script_root);
+diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c
+index b60a6fd66517..a607d2a851ef 100644
+--- a/tools/perf/tests/attr.c
++++ b/tools/perf/tests/attr.c
+@@ -147,8 +147,8 @@ static int run_dir(const char *d, const char *perf)
+ 	if (verbose)
+ 		vcnt++;
+ 
+-	snprintf(cmd, 3*PATH_MAX, PYTHON " %s/attr.py -d %s/attr/ -p %s %.*s",
+-		 d, d, perf, vcnt, v);
++	scnprintf(cmd, 3*PATH_MAX, PYTHON " %s/attr.py -d %s/attr/ -p %s %.*s",
++		  d, d, perf, vcnt, v);
+ 
+ 	return system(cmd) ? TEST_FAIL : TEST_OK;
+ }
+diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c
+index 1e2ba2602930..1802ad3f45b6 100644
+--- a/tools/perf/tests/pmu.c
++++ b/tools/perf/tests/pmu.c
+@@ -95,7 +95,7 @@ static char *test_format_dir_get(void)
+ 		struct test_format *format = &test_formats[i];
+ 		FILE *file;
+ 
+-		snprintf(name, PATH_MAX, "%s/%s", dir, format->name);
++		scnprintf(name, PATH_MAX, "%s/%s", dir, format->name);
+ 
+ 		file = fopen(name, "w");
+ 		if (!file)
+diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
+index 3336cbc6ec48..1d4807c46efd 100644
+--- a/tools/perf/util/annotate.c
++++ b/tools/perf/util/annotate.c
+@@ -1302,7 +1302,7 @@ fallback:
+ int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize)
+ {
+ 	struct dso *dso = map->dso;
+-	char command[PATH_MAX * 2];
++	char *command;
+ 	FILE *file;
+ 	char symfs_filename[PATH_MAX];
+ 	struct kcore_extract kce;
+@@ -1364,7 +1364,7 @@ int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize)
+ 		strcpy(symfs_filename, tmp);
+ 	}
+ 
+-	snprintf(command, sizeof(command),
++	err = asprintf(&command,
+ 		 "%s %s%s --start-address=0x%016" PRIx64
+ 		 " --stop-address=0x%016" PRIx64
+ 		 " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand",
+@@ -1377,12 +1377,17 @@ int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize)
+ 		 symbol_conf.annotate_src ? "-S" : "",
+ 		 symfs_filename, symfs_filename);
+ 
++	if (err < 0) {
++		pr_err("Failure allocating memory for the command to run\n");
++		goto out_remove_tmp;
++	}
++
+ 	pr_debug("Executing: %s\n", command);
+ 
+ 	err = -1;
+ 	if (pipe(stdout_fd) < 0) {
+ 		pr_err("Failure creating the pipe to run %s\n", command);
+-		goto out_remove_tmp;
++		goto out_free_command;
+ 	}
+ 
+ 	pid = fork();
+@@ -1409,7 +1414,7 @@ int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize)
+ 		 * If we were using debug info should retry with
+ 		 * original binary.
+ 		 */
+-		goto out_remove_tmp;
++		goto out_free_command;
+ 	}
+ 
+ 	nline = 0;
+@@ -1432,6 +1437,8 @@ int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize)
+ 
+ 	fclose(file);
+ 	err = 0;
++out_free_command:
++	free(command);
+ out_remove_tmp:
+ 	close(stdout_fd[0]);
+ 
+@@ -1445,7 +1452,7 @@ out:
+ 
+ out_close_stdout:
+ 	close(stdout_fd[1]);
+-	goto out_remove_tmp;
++	goto out_free_command;
+ }
+ 
+ static void insert_source_line(struct rb_root *root, struct source_line *src_line)
+diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
+index 8fdee24725a7..5bc2b92ace6d 100644
+--- a/tools/perf/util/cgroup.c
++++ b/tools/perf/util/cgroup.c
+@@ -64,7 +64,7 @@ static int open_cgroup(char *name)
+ 	if (cgroupfs_find_mountpoint(mnt, PATH_MAX + 1))
+ 		return -1;
+ 
+-	snprintf(path, PATH_MAX, "%s/%s", mnt, name);
++	scnprintf(path, PATH_MAX, "%s/%s", mnt, name);
+ 
+ 	fd = open(path, O_RDONLY);
+ 	if (fd == -1)
+diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
+index 6193be6d7639..f9f7e35f47a7 100644
+--- a/tools/perf/util/parse-events.c
++++ b/tools/perf/util/parse-events.c
+@@ -195,8 +195,8 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
+ 
+ 		for_each_event(sys_dirent, evt_dir, evt_dirent) {
+ 
+-			snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path,
+-				 evt_dirent->d_name);
++			scnprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path,
++				  evt_dirent->d_name);
+ 			fd = open(evt_path, O_RDONLY);
+ 			if (fd < 0)
+ 				continue;
+diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
+index c86c1d5ea65c..39abbf827646 100644
+--- a/tools/perf/util/pmu.c
++++ b/tools/perf/util/pmu.c
+@@ -325,7 +325,7 @@ static int pmu_aliases_parse(char *dir, struct list_head *head)
+ 		if (pmu_alias_info_file(name))
+ 			continue;
+ 
+-		snprintf(path, PATH_MAX, "%s/%s", dir, name);
++		scnprintf(path, PATH_MAX, "%s/%s", dir, name);
+ 
+ 		file = fopen(path, "r");
+ 		if (!file) {
+diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
+index a7452fd3b6ee..0551a02ee17c 100644
+--- a/tools/perf/util/probe-event.c
++++ b/tools/perf/util/probe-event.c
+@@ -118,7 +118,7 @@ static struct symbol *__find_kernel_function(u64 addr, struct map **mapp)
+ 	return machine__find_kernel_function(host_machine, addr, mapp);
+ }
+ 
+-static struct ref_reloc_sym *kernel_get_ref_reloc_sym(void)
++static struct ref_reloc_sym *kernel_get_ref_reloc_sym(struct map **pmap)
+ {
+ 	/* kmap->ref_reloc_sym should be set if host_machine is initialized */
+ 	struct kmap *kmap;
+@@ -130,6 +130,10 @@ static struct ref_reloc_sym *kernel_get_ref_reloc_sym(void)
+ 	kmap = map__kmap(map);
+ 	if (!kmap)
+ 		return NULL;
++
++	if (pmap)
++		*pmap = map;
++
+ 	return kmap->ref_reloc_sym;
+ }
+ 
+@@ -141,7 +145,7 @@ static int kernel_get_symbol_address_by_name(const char *name, u64 *addr,
+ 	struct map *map;
+ 
+ 	/* ref_reloc_sym is just a label. Need a special fix*/
+-	reloc_sym = kernel_get_ref_reloc_sym();
++	reloc_sym = kernel_get_ref_reloc_sym(NULL);
+ 	if (reloc_sym && strcmp(name, reloc_sym->name) == 0)
+ 		*addr = (reloc) ? reloc_sym->addr : reloc_sym->unrelocated_addr;
+ 	else {
+@@ -742,6 +746,7 @@ post_process_kernel_probe_trace_events(struct probe_trace_event *tevs,
+ 				       int ntevs)
+ {
+ 	struct ref_reloc_sym *reloc_sym;
++	struct map *map;
+ 	char *tmp;
+ 	int i, skipped = 0;
+ 
+@@ -750,7 +755,7 @@ post_process_kernel_probe_trace_events(struct probe_trace_event *tevs,
+ 		return post_process_offline_probe_trace_events(tevs, ntevs,
+ 						symbol_conf.vmlinux_name);
+ 
+-	reloc_sym = kernel_get_ref_reloc_sym();
++	reloc_sym = kernel_get_ref_reloc_sym(&map);
+ 	if (!reloc_sym) {
+ 		pr_warning("Relocated base symbol is not found!\n");
+ 		return -EINVAL;
+@@ -759,9 +764,13 @@ post_process_kernel_probe_trace_events(struct probe_trace_event *tevs,
+ 	for (i = 0; i < ntevs; i++) {
+ 		if (!tevs[i].point.address || tevs[i].point.retprobe)
+ 			continue;
+-		/* If we found a wrong one, mark it by NULL symbol */
++		/*
++		 * If we found a wrong one, mark it by NULL symbol.
++		 * Since addresses in debuginfo is same as objdump, we need
++		 * to convert it to addresses on memory.
++		 */
+ 		if (kprobe_warn_out_range(tevs[i].point.symbol,
+-					  tevs[i].point.address)) {
++			map__objdump_2mem(map, tevs[i].point.address))) {
+ 			tmp = NULL;
+ 			skipped++;
+ 		} else {
+@@ -2850,7 +2859,7 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
+ 
+ 	/* Note that the symbols in the kmodule are not relocated */
+ 	if (!pev->uprobes && !pp->retprobe && !pev->target) {
+-		reloc_sym = kernel_get_ref_reloc_sym();
++		reloc_sym = kernel_get_ref_reloc_sym(NULL);
+ 		if (!reloc_sym) {
+ 			pr_warning("Relocated base symbol is not found!\n");
+ 			ret = -EINVAL;
+diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
+index b4db3f48e3b0..2853d4728ab9 100644
+--- a/tools/perf/util/srcline.c
++++ b/tools/perf/util/srcline.c
+@@ -86,16 +86,30 @@ static void find_address_in_section(bfd *abfd, asection *section, void *data)
+ 	bfd_vma pc, vma;
+ 	bfd_size_type size;
+ 	struct a2l_data *a2l = data;
++	flagword flags;
+ 
+ 	if (a2l->found)
+ 		return;
+ 
+-	if ((bfd_get_section_flags(abfd, section) & SEC_ALLOC) == 0)
++#ifdef bfd_get_section_flags
++	flags = bfd_get_section_flags(abfd, section);
++#else
++	flags = bfd_section_flags(section);
++#endif
++	if ((flags & SEC_ALLOC) == 0)
+ 		return;
+ 
+ 	pc = a2l->addr;
++#ifdef bfd_get_section_vma
+ 	vma = bfd_get_section_vma(abfd, section);
++#else
++	vma = bfd_section_vma(section);
++#endif
++#ifdef bfd_get_section_size
+ 	size = bfd_get_section_size(section);
++#else
++	size = bfd_section_size(section);
++#endif
+ 
+ 	if (pc < vma || pc >= vma + size)
+ 		return;