commit:     2da8e45d7a4e5e8b3e3249521f35cf65078686d4
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Tue Jan 14 22:28:31 2020 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Tue Jan 14 22:28:31 2020 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=2da8e45d

Linux patch 4.14.165

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

 0000_README               |    4 +
 1164_linux-4.14.165.patch | 1239 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1243 insertions(+)

diff --git a/0000_README b/0000_README
index 9cdb60b..eb1e9b7 100644
--- a/0000_README
+++ b/0000_README
@@ -699,6 +699,10 @@ Patch:  1163_linux-4.14.164.patch
 From:   https://www.kernel.org
 Desc:   Linux 4.14.164
 
+Patch:  1164_linux-4.14.165.patch
+From:   https://www.kernel.org
+Desc:   Linux 4.14.165
+
 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/1164_linux-4.14.165.patch b/1164_linux-4.14.165.patch
new file mode 100644
index 0000000..600d8fc
--- /dev/null
+++ b/1164_linux-4.14.165.patch
@@ -0,0 +1,1239 @@
+diff --git a/Makefile b/Makefile
+index f2aa55cea457..166e18aa9ca9 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 164
++SUBLEVEL = 165
+ EXTRAVERSION =
+ NAME = Petit Gorille
+ 
+diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
+index 15ce2c8b9ee2..60066315d669 100644
+--- a/arch/arm64/kernel/cpufeature.c
++++ b/arch/arm64/kernel/cpufeature.c
+@@ -799,11 +799,6 @@ static bool has_no_hw_prefetch(const struct 
arm64_cpu_capabilities *entry, int _
+               MIDR_CPU_VAR_REV(1, MIDR_REVISION_MASK));
+ }
+ 
+-static bool runs_at_el2(const struct arm64_cpu_capabilities *entry, int 
__unused)
+-{
+-      return is_kernel_in_hyp_mode();
+-}
+-
+ static bool hyp_offset_low(const struct arm64_cpu_capabilities *entry,
+                          int __unused)
+ {
+@@ -937,6 +932,12 @@ static int __init parse_kpti(char *str)
+ }
+ early_param("kpti", parse_kpti);
+ 
++#ifdef CONFIG_ARM64_VHE
++static bool runs_at_el2(const struct arm64_cpu_capabilities *entry, int 
__unused)
++{
++      return is_kernel_in_hyp_mode();
++}
++
+ static void cpu_copy_el2regs(const struct arm64_cpu_capabilities *__unused)
+ {
+       /*
+@@ -950,6 +951,7 @@ static void cpu_copy_el2regs(const struct 
arm64_cpu_capabilities *__unused)
+       if (!alternatives_applied)
+               write_sysreg(read_sysreg(tpidr_el1), tpidr_el2);
+ }
++#endif
+ 
+ #ifdef CONFIG_ARM64_SSBD
+ static int ssbs_emulation_handler(struct pt_regs *regs, u32 instr)
+diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
+index 3aa7fe6baf2a..c7b9125c8ec2 100644
+--- a/drivers/gpio/gpiolib-acpi.c
++++ b/drivers/gpio/gpiolib-acpi.c
+@@ -24,11 +24,19 @@
+ 
+ #include "gpiolib.h"
+ 
++#define QUIRK_NO_EDGE_EVENTS_ON_BOOT          0x01l
++#define QUIRK_NO_WAKEUP                               0x02l
++
+ static int run_edge_events_on_boot = -1;
+ module_param(run_edge_events_on_boot, int, 0444);
+ MODULE_PARM_DESC(run_edge_events_on_boot,
+                "Run edge _AEI event-handlers at boot: 0=no, 1=yes, -1=auto");
+ 
++static int honor_wakeup = -1;
++module_param(honor_wakeup, int, 0444);
++MODULE_PARM_DESC(honor_wakeup,
++               "Honor the ACPI wake-capable flag: 0=no, 1=yes, -1=auto");
++
+ /**
+  * struct acpi_gpio_event - ACPI GPIO event handler data
+  *
+@@ -339,7 +347,7 @@ static acpi_status acpi_gpiochip_alloc_event(struct 
acpi_resource *ares,
+       event->handle = evt_handle;
+       event->handler = handler;
+       event->irq = irq;
+-      event->irq_is_wake = agpio->wake_capable == ACPI_WAKE_CAPABLE;
++      event->irq_is_wake = honor_wakeup && agpio->wake_capable == 
ACPI_WAKE_CAPABLE;
+       event->pin = pin;
+       event->desc = desc;
+ 
+@@ -1312,7 +1320,7 @@ static int acpi_gpio_handle_deferred_request_irqs(void)
+ /* We must use _sync so that this runs after the first deferred_probe run */
+ late_initcall_sync(acpi_gpio_handle_deferred_request_irqs);
+ 
+-static const struct dmi_system_id run_edge_events_on_boot_blacklist[] = {
++static const struct dmi_system_id gpiolib_acpi_quirks[] = {
+       {
+               /*
+                * The Minix Neo Z83-4 has a micro-USB-B id-pin handler for
+@@ -1322,7 +1330,8 @@ static const struct dmi_system_id 
run_edge_events_on_boot_blacklist[] = {
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "MINIX"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Z83-4"),
+-              }
++              },
++              .driver_data = (void *)QUIRK_NO_EDGE_EVENTS_ON_BOOT,
+       },
+       {
+               /*
+@@ -1334,20 +1343,52 @@ static const struct dmi_system_id 
run_edge_events_on_boot_blacklist[] = {
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Wortmann_AG"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "TERRA_PAD_1061"),
+-              }
++              },
++              .driver_data = (void *)QUIRK_NO_EDGE_EVENTS_ON_BOOT,
++      },
++      {
++              /*
++               * Various HP X2 10 Cherry Trail models use an external
++               * embedded-controller connected via I2C + an ACPI GPIO
++               * event handler. The embedded controller generates various
++               * spurious wakeup events when suspended. So disable wakeup
++               * for its handler (it uses the only ACPI GPIO event handler).
++               * This breaks wakeup when opening the lid, the user needs
++               * to press the power-button to wakeup the system. The
++               * alternative is suspend simply not working, which is worse.
++               */
++              .matches = {
++                      DMI_MATCH(DMI_SYS_VENDOR, "HP"),
++                      DMI_MATCH(DMI_PRODUCT_NAME, "HP x2 Detachable 10-p0XX"),
++              },
++              .driver_data = (void *)QUIRK_NO_WAKEUP,
+       },
+       {} /* Terminating entry */
+ };
+ 
+ static int acpi_gpio_setup_params(void)
+ {
++      const struct dmi_system_id *id;
++      long quirks = 0;
++
++      id = dmi_first_match(gpiolib_acpi_quirks);
++      if (id)
++              quirks = (long)id->driver_data;
++
+       if (run_edge_events_on_boot < 0) {
+-              if (dmi_check_system(run_edge_events_on_boot_blacklist))
++              if (quirks & QUIRK_NO_EDGE_EVENTS_ON_BOOT)
+                       run_edge_events_on_boot = 0;
+               else
+                       run_edge_events_on_boot = 1;
+       }
+ 
++      if (honor_wakeup < 0) {
++              if (quirks & QUIRK_NO_WAKEUP)
++                      honor_wakeup = 0;
++              else
++                      honor_wakeup = 1;
++      }
++
+       return 0;
+ }
+ 
+diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c 
b/drivers/gpu/drm/drm_dp_mst_topology.c
+index ef86721c06f3..c8c83f84aced 100644
+--- a/drivers/gpu/drm/drm_dp_mst_topology.c
++++ b/drivers/gpu/drm/drm_dp_mst_topology.c
+@@ -274,7 +274,7 @@ static void drm_dp_encode_sideband_req(struct 
drm_dp_sideband_msg_req_body *req,
+                       memcpy(&buf[idx], 
req->u.i2c_read.transactions[i].bytes, 
req->u.i2c_read.transactions[i].num_bytes);
+                       idx += req->u.i2c_read.transactions[i].num_bytes;
+ 
+-                      buf[idx] = (req->u.i2c_read.transactions[i].no_stop_bit 
& 0x1) << 5;
++                      buf[idx] = (req->u.i2c_read.transactions[i].no_stop_bit 
& 0x1) << 4;
+                       buf[idx] |= 
(req->u.i2c_read.transactions[i].i2c_transaction_delay & 0xf);
+                       idx++;
+               }
+diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
+index f1259a0c2883..eb6bf881c465 100644
+--- a/drivers/gpu/drm/drm_fb_helper.c
++++ b/drivers/gpu/drm/drm_fb_helper.c
+@@ -1590,7 +1590,7 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo 
*var,
+        * Changes struct fb_var_screeninfo are currently not pushed back
+        * to KMS, hence fail if different settings are requested.
+        */
+-      if (var->bits_per_pixel != fb->format->cpp[0] * 8 ||
++      if (var->bits_per_pixel > fb->format->cpp[0] * 8 ||
+           var->xres > fb->width || var->yres > fb->height ||
+           var->xres_virtual > fb->width || var->yres_virtual > fb->height) {
+               DRM_DEBUG("fb requested width/height/bpp can't fit in current 
fb "
+@@ -1615,6 +1615,11 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo 
*var,
+               drm_fb_helper_fill_pixel_fmt(var, fb->format->depth);
+       }
+ 
++      /*
++       * Likewise, bits_per_pixel should be rounded up to a supported value.
++       */
++      var->bits_per_pixel = fb->format->cpp[0] * 8;
++
+       /*
+        * drm fbdev emulation doesn't support changing the pixel format at all,
+        * so reject all pixel format changing requests.
+diff --git a/drivers/gpu/drm/i915/intel_lrc.c 
b/drivers/gpu/drm/i915/intel_lrc.c
+index e0483c068d23..baff1f01bfc7 100644
+--- a/drivers/gpu/drm/i915/intel_lrc.c
++++ b/drivers/gpu/drm/i915/intel_lrc.c
+@@ -1101,17 +1101,14 @@ static u32 *gen9_init_indirectctx_bb(struct 
intel_engine_cs *engine, u32 *batch)
+ 
+       *batch++ = MI_NOOP;
+ 
+-      /* WaClearSlmSpaceAtContextSwitch:kbl */
+-      /* Actual scratch location is at 128 bytes offset */
+-      if (IS_KBL_REVID(engine->i915, 0, KBL_REVID_A0)) {
+-              batch = gen8_emit_pipe_control(batch,
+-                                             PIPE_CONTROL_FLUSH_L3 |
+-                                             PIPE_CONTROL_GLOBAL_GTT_IVB |
+-                                             PIPE_CONTROL_CS_STALL |
+-                                             PIPE_CONTROL_QW_WRITE,
+-                                             i915_ggtt_offset(engine->scratch)
+-                                             + 2 * CACHELINE_BYTES);
+-      }
++      /* WaClearSlmSpaceAtContextSwitch:skl,bxt,kbl,glk,cfl */
++      batch = gen8_emit_pipe_control(batch,
++                                     PIPE_CONTROL_FLUSH_L3 |
++                                     PIPE_CONTROL_GLOBAL_GTT_IVB |
++                                     PIPE_CONTROL_CS_STALL |
++                                     PIPE_CONTROL_QW_WRITE,
++                                     i915_ggtt_offset(engine->scratch) +
++                                     2 * CACHELINE_BYTES);
+ 
+       /* WaMediaPoolStateCmdInWABB:bxt,glk */
+       if (HAS_POOLED_EU(engine->i915)) {
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index 6a04b56d161b..2d089d3954e3 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -268,6 +268,12 @@ static int hid_add_field(struct hid_parser *parser, 
unsigned report_type, unsign
+       offset = report->size;
+       report->size += parser->global.report_size * 
parser->global.report_count;
+ 
++      /* Total size check: Allow for possible report index byte */
++      if (report->size > (HID_MAX_BUFFER_SIZE - 1) << 3) {
++              hid_err(parser->device, "report is too long\n");
++              return -1;
++      }
++
+       if (!parser->local.usage_index) /* Ignore padding fields */
+               return 0;
+ 
+diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
+index 9d24fb0715ba..14e4003fde4d 100644
+--- a/drivers/hid/hid-input.c
++++ b/drivers/hid/hid-input.c
+@@ -1116,9 +1116,15 @@ static void hidinput_configure_usage(struct hid_input 
*hidinput, struct hid_fiel
+       }
+ 
+ mapped:
+-      if (device->driver->input_mapped && device->driver->input_mapped(device,
+-                              hidinput, field, usage, &bit, &max) < 0)
+-              goto ignore;
++      if (device->driver->input_mapped &&
++          device->driver->input_mapped(device, hidinput, field, usage,
++                                       &bit, &max) < 0) {
++              /*
++               * The driver indicated that no further generic handling
++               * of the usage is desired.
++               */
++              return;
++      }
+ 
+       set_bit(usage->type, input->evbit);
+ 
+@@ -1176,9 +1182,11 @@ mapped:
+               set_bit(MSC_SCAN, input->mscbit);
+       }
+ 
+-ignore:
+       return;
+ 
++ignore:
++      usage->type = 0;
++      usage->code = 0;
+ }
+ 
+ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, 
struct hid_usage *usage, __s32 value)
+diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
+index 6f67d73b184e..e63b761f600a 100644
+--- a/drivers/hid/uhid.c
++++ b/drivers/hid/uhid.c
+@@ -25,6 +25,7 @@
+ #include <linux/spinlock.h>
+ #include <linux/uhid.h>
+ #include <linux/wait.h>
++#include <linux/eventpoll.h>
+ 
+ #define UHID_NAME     "uhid"
+ #define UHID_BUFSIZE  32
+@@ -774,7 +775,7 @@ static unsigned int uhid_char_poll(struct file *file, 
poll_table *wait)
+       if (uhid->head != uhid->tail)
+               return POLLIN | POLLRDNORM;
+ 
+-      return 0;
++      return EPOLLOUT | EPOLLWRNORM;
+ }
+ 
+ static const struct file_operations uhid_fops = {
+diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
+index ce342fd0457e..bccd97cdc53f 100644
+--- a/drivers/hid/usbhid/hiddev.c
++++ b/drivers/hid/usbhid/hiddev.c
+@@ -254,12 +254,51 @@ static int hiddev_release(struct inode * inode, struct 
file * file)
+       return 0;
+ }
+ 
++static int __hiddev_open(struct hiddev *hiddev, struct file *file)
++{
++      struct hiddev_list *list;
++      int error;
++
++      lockdep_assert_held(&hiddev->existancelock);
++
++      list = vzalloc(sizeof(*list));
++      if (!list)
++              return -ENOMEM;
++
++      mutex_init(&list->thread_lock);
++      list->hiddev = hiddev;
++
++      if (!hiddev->open++) {
++              error = hid_hw_power(hiddev->hid, PM_HINT_FULLON);
++              if (error < 0)
++                      goto err_drop_count;
++
++              error = hid_hw_open(hiddev->hid);
++              if (error < 0)
++                      goto err_normal_power;
++      }
++
++      spin_lock_irq(&hiddev->list_lock);
++      list_add_tail(&list->node, &hiddev->list);
++      spin_unlock_irq(&hiddev->list_lock);
++
++      file->private_data = list;
++
++      return 0;
++
++err_normal_power:
++      hid_hw_power(hiddev->hid, PM_HINT_NORMAL);
++err_drop_count:
++      hiddev->open--;
++      vfree(list);
++      return error;
++}
++
+ /*
+  * open file op
+  */
+ static int hiddev_open(struct inode *inode, struct file *file)
+ {
+-      struct hiddev_list *list;
+       struct usb_interface *intf;
+       struct hid_device *hid;
+       struct hiddev *hiddev;
+@@ -268,66 +307,14 @@ static int hiddev_open(struct inode *inode, struct file 
*file)
+       intf = usbhid_find_interface(iminor(inode));
+       if (!intf)
+               return -ENODEV;
++
+       hid = usb_get_intfdata(intf);
+       hiddev = hid->hiddev;
+ 
+-      if (!(list = vzalloc(sizeof(struct hiddev_list))))
+-              return -ENOMEM;
+-      mutex_init(&list->thread_lock);
+-      list->hiddev = hiddev;
+-      file->private_data = list;
+-
+-      /*
+-       * no need for locking because the USB major number
+-       * is shared which usbcore guards against disconnect
+-       */
+-      if (list->hiddev->exist) {
+-              if (!list->hiddev->open++) {
+-                      res = hid_hw_open(hiddev->hid);
+-                      if (res < 0)
+-                              goto bail;
+-              }
+-      } else {
+-              res = -ENODEV;
+-              goto bail;
+-      }
+-
+-      spin_lock_irq(&list->hiddev->list_lock);
+-      list_add_tail(&list->node, &hiddev->list);
+-      spin_unlock_irq(&list->hiddev->list_lock);
+-
+       mutex_lock(&hiddev->existancelock);
+-      /*
+-       * recheck exist with existance lock held to
+-       * avoid opening a disconnected device
+-       */
+-      if (!list->hiddev->exist) {
+-              res = -ENODEV;
+-              goto bail_unlock;
+-      }
+-      if (!list->hiddev->open++)
+-              if (list->hiddev->exist) {
+-                      struct hid_device *hid = hiddev->hid;
+-                      res = hid_hw_power(hid, PM_HINT_FULLON);
+-                      if (res < 0)
+-                              goto bail_unlock;
+-                      res = hid_hw_open(hid);
+-                      if (res < 0)
+-                              goto bail_normal_power;
+-              }
+-      mutex_unlock(&hiddev->existancelock);
+-      return 0;
+-bail_normal_power:
+-      hid_hw_power(hid, PM_HINT_NORMAL);
+-bail_unlock:
++      res = hiddev->exist ? __hiddev_open(hiddev, file) : -ENODEV;
+       mutex_unlock(&hiddev->existancelock);
+ 
+-      spin_lock_irq(&list->hiddev->list_lock);
+-      list_del(&list->node);
+-      spin_unlock_irq(&list->hiddev->list_lock);
+-bail:
+-      file->private_data = NULL;
+-      vfree(list);
+       return res;
+ }
+ 
+diff --git a/drivers/input/input.c b/drivers/input/input.c
+index 50d425fe6706..cadb368be8ef 100644
+--- a/drivers/input/input.c
++++ b/drivers/input/input.c
+@@ -858,16 +858,18 @@ static int input_default_setkeycode(struct input_dev 
*dev,
+               }
+       }
+ 
+-      __clear_bit(*old_keycode, dev->keybit);
+-      __set_bit(ke->keycode, dev->keybit);
+-
+-      for (i = 0; i < dev->keycodemax; i++) {
+-              if (input_fetch_keycode(dev, i) == *old_keycode) {
+-                      __set_bit(*old_keycode, dev->keybit);
+-                      break; /* Setting the bit twice is useless, so break */
++      if (*old_keycode <= KEY_MAX) {
++              __clear_bit(*old_keycode, dev->keybit);
++              for (i = 0; i < dev->keycodemax; i++) {
++                      if (input_fetch_keycode(dev, i) == *old_keycode) {
++                              __set_bit(*old_keycode, dev->keybit);
++                              /* Setting the bit twice is useless, so break */
++                              break;
++                      }
+               }
+       }
+ 
++      __set_bit(ke->keycode, dev->keybit);
+       return 0;
+ }
+ 
+@@ -923,9 +925,13 @@ int input_set_keycode(struct input_dev *dev,
+        * Simulate keyup event if keycode is not present
+        * in the keymap anymore
+        */
+-      if (test_bit(EV_KEY, dev->evbit) &&
+-          !is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
+-          __test_and_clear_bit(old_keycode, dev->key)) {
++      if (old_keycode > KEY_MAX) {
++              dev_warn(dev->dev.parent ?: &dev->dev,
++                       "%s: got too big old keycode %#x\n",
++                       __func__, old_keycode);
++      } else if (test_bit(EV_KEY, dev->evbit) &&
++                 !is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
++                 __test_and_clear_bit(old_keycode, dev->key)) {
+               struct input_value vals[] =  {
+                       { EV_KEY, old_keycode, 0 },
+                       input_value_sync
+diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
+index acb708fc1463..0a7d818a06f3 100644
+--- a/drivers/net/can/mscan/mscan.c
++++ b/drivers/net/can/mscan/mscan.c
+@@ -392,13 +392,12 @@ static int mscan_rx_poll(struct napi_struct *napi, int 
quota)
+       struct net_device *dev = napi->dev;
+       struct mscan_regs __iomem *regs = priv->reg_base;
+       struct net_device_stats *stats = &dev->stats;
+-      int npackets = 0;
+-      int ret = 1;
++      int work_done = 0;
+       struct sk_buff *skb;
+       struct can_frame *frame;
+       u8 canrflg;
+ 
+-      while (npackets < quota) {
++      while (work_done < quota) {
+               canrflg = in_8(&regs->canrflg);
+               if (!(canrflg & (MSCAN_RXF | MSCAN_ERR_IF)))
+                       break;
+@@ -419,18 +418,18 @@ static int mscan_rx_poll(struct napi_struct *napi, int 
quota)
+ 
+               stats->rx_packets++;
+               stats->rx_bytes += frame->can_dlc;
+-              npackets++;
++              work_done++;
+               netif_receive_skb(skb);
+       }
+ 
+-      if (!(in_8(&regs->canrflg) & (MSCAN_RXF | MSCAN_ERR_IF))) {
+-              napi_complete(&priv->napi);
+-              clear_bit(F_RX_PROGRESS, &priv->flags);
+-              if (priv->can.state < CAN_STATE_BUS_OFF)
+-                      out_8(&regs->canrier, priv->shadow_canrier);
+-              ret = 0;
++      if (work_done < quota) {
++              if (likely(napi_complete_done(&priv->napi, work_done))) {
++                      clear_bit(F_RX_PROGRESS, &priv->flags);
++                      if (priv->can.state < CAN_STATE_BUS_OFF)
++                              out_8(&regs->canrier, priv->shadow_canrier);
++              }
+       }
+-      return ret;
++      return work_done;
+ }
+ 
+ static irqreturn_t mscan_isr(int irq, void *dev_id)
+diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
+index bfbf80949600..aed8ab6d6c5b 100644
+--- a/drivers/net/can/usb/gs_usb.c
++++ b/drivers/net/can/usb/gs_usb.c
+@@ -926,7 +926,7 @@ static int gs_usb_probe(struct usb_interface *intf,
+                            GS_USB_BREQ_HOST_FORMAT,
+                            USB_DIR_OUT | USB_TYPE_VENDOR | 
USB_RECIP_INTERFACE,
+                            1,
+-                           intf->altsetting[0].desc.bInterfaceNumber,
++                           intf->cur_altsetting->desc.bInterfaceNumber,
+                            hconf,
+                            sizeof(*hconf),
+                            1000);
+@@ -949,7 +949,7 @@ static int gs_usb_probe(struct usb_interface *intf,
+                            GS_USB_BREQ_DEVICE_CONFIG,
+                            USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
+                            1,
+-                           intf->altsetting[0].desc.bInterfaceNumber,
++                           intf->cur_altsetting->desc.bInterfaceNumber,
+                            dconf,
+                            sizeof(*dconf),
+                            1000);
+diff --git a/drivers/net/wireless/ath/ath10k/usb.c 
b/drivers/net/wireless/ath/ath10k/usb.c
+index f9c79e21ab22..c64a03f164c0 100644
+--- a/drivers/net/wireless/ath/ath10k/usb.c
++++ b/drivers/net/wireless/ath/ath10k/usb.c
+@@ -454,6 +454,7 @@ static int ath10k_usb_hif_tx_sg(struct ath10k *ar, u8 
pipe_id,
+                       ath10k_dbg(ar, ATH10K_DBG_USB_BULK,
+                                  "usb bulk transmit failed: %d\n", ret);
+                       usb_unanchor_urb(urb);
++                      usb_free_urb(urb);
+                       ret = -EINVAL;
+                       goto err_free_urb_to_pipe;
+               }
+diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c 
b/drivers/net/wireless/marvell/mwifiex/pcie.c
+index 9d0d790a1319..8ee9609ef974 100644
+--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
++++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
+@@ -1022,8 +1022,10 @@ static int mwifiex_pcie_alloc_cmdrsp_buf(struct 
mwifiex_adapter *adapter)
+       }
+       skb_put(skb, MWIFIEX_UPLD_SIZE);
+       if (mwifiex_map_pci_memory(adapter, skb, MWIFIEX_UPLD_SIZE,
+-                                 PCI_DMA_FROMDEVICE))
++                                 PCI_DMA_FROMDEVICE)) {
++              kfree_skb(skb);
+               return -1;
++      }
+ 
+       card->cmdrsp_buf = skb;
+ 
+diff --git a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c 
b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
+index a8043d76152a..f88a953b3cd5 100644
+--- a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
++++ b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
+@@ -271,6 +271,14 @@ static int mwifiex_process_country_ie(struct 
mwifiex_private *priv,
+                           "11D: skip setting domain info in FW\n");
+               return 0;
+       }
++
++      if (country_ie_len >
++          (IEEE80211_COUNTRY_STRING_LEN + MWIFIEX_MAX_TRIPLET_802_11D)) {
++              mwifiex_dbg(priv->adapter, ERROR,
++                          "11D: country_ie_len overflow!, deauth AP\n");
++              return -EINVAL;
++      }
++
+       memcpy(priv->adapter->country_code, &country_ie[2], 2);
+ 
+       domain_info->country_code[0] = country_ie[2];
+@@ -314,8 +322,9 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct 
cfg80211_bss *bss,
+       priv->scan_block = false;
+ 
+       if (bss) {
+-              if (adapter->region_code == 0x00)
+-                      mwifiex_process_country_ie(priv, bss);
++              if (adapter->region_code == 0x00 &&
++                  mwifiex_process_country_ie(priv, bss))
++                      return -EINVAL;
+ 
+               /* Allocate and fill new bss descriptor */
+               bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
+diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c 
b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+index b58bf8e2cad2..73fc5952fd37 100644
+--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+@@ -5453,6 +5453,7 @@ static int rtl8xxxu_submit_int_urb(struct ieee80211_hw 
*hw)
+       ret = usb_submit_urb(urb, GFP_KERNEL);
+       if (ret) {
+               usb_unanchor_urb(urb);
++              usb_free_urb(urb);
+               goto error;
+       }
+ 
+diff --git a/drivers/phy/motorola/phy-cpcap-usb.c 
b/drivers/phy/motorola/phy-cpcap-usb.c
+index 6601ad0dfb3a..4ba3634009af 100644
+--- a/drivers/phy/motorola/phy-cpcap-usb.c
++++ b/drivers/phy/motorola/phy-cpcap-usb.c
+@@ -207,6 +207,19 @@ static int cpcap_phy_get_ints_state(struct 
cpcap_phy_ddata *ddata,
+ static int cpcap_usb_set_uart_mode(struct cpcap_phy_ddata *ddata);
+ static int cpcap_usb_set_usb_mode(struct cpcap_phy_ddata *ddata);
+ 
++static void cpcap_usb_try_musb_mailbox(struct cpcap_phy_ddata *ddata,
++                                     enum musb_vbus_id_status status)
++{
++      int error;
++
++      error = musb_mailbox(status);
++      if (!error)
++              return;
++
++      dev_dbg(ddata->dev, "%s: musb_mailbox failed: %i\n",
++              __func__, error);
++}
++
+ static void cpcap_usb_detect(struct work_struct *work)
+ {
+       struct cpcap_phy_ddata *ddata;
+@@ -226,9 +239,7 @@ static void cpcap_usb_detect(struct work_struct *work)
+               if (error)
+                       goto out_err;
+ 
+-              error = musb_mailbox(MUSB_ID_GROUND);
+-              if (error)
+-                      goto out_err;
++              cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND);
+ 
+               error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3,
+                                          CPCAP_BIT_VBUSSTBY_EN,
+@@ -255,9 +266,7 @@ static void cpcap_usb_detect(struct work_struct *work)
+                       error = cpcap_usb_set_usb_mode(ddata);
+                       if (error)
+                               goto out_err;
+-                      error = musb_mailbox(MUSB_ID_GROUND);
+-                      if (error)
+-                              goto out_err;
++                      cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND);
+ 
+                       return;
+               }
+@@ -267,22 +276,18 @@ static void cpcap_usb_detect(struct work_struct *work)
+               error = cpcap_usb_set_usb_mode(ddata);
+               if (error)
+                       goto out_err;
+-              error = musb_mailbox(MUSB_VBUS_VALID);
+-              if (error)
+-                      goto out_err;
++              cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_VALID);
+ 
+               return;
+       }
+ 
++      cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_OFF);
++
+       /* Default to debug UART mode */
+       error = cpcap_usb_set_uart_mode(ddata);
+       if (error)
+               goto out_err;
+ 
+-      error = musb_mailbox(MUSB_VBUS_OFF);
+-      if (error)
+-              goto out_err;
+-
+       dev_dbg(ddata->dev, "set UART mode\n");
+ 
+       return;
+@@ -647,9 +652,7 @@ static int cpcap_usb_phy_remove(struct platform_device 
*pdev)
+       if (error)
+               dev_err(ddata->dev, "could not set UART mode\n");
+ 
+-      error = musb_mailbox(MUSB_VBUS_OFF);
+-      if (error)
+-              dev_err(ddata->dev, "could not set mailbox\n");
++      cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_OFF);
+ 
+       usb_remove_phy(&ddata->phy);
+       cancel_delayed_work_sync(&ddata->detect_work);
+diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
+index d0a504af5b4f..0a70d54a4df6 100644
+--- a/drivers/scsi/bfa/bfad_attr.c
++++ b/drivers/scsi/bfa/bfad_attr.c
+@@ -283,8 +283,10 @@ bfad_im_get_stats(struct Scsi_Host *shost)
+       rc = bfa_port_get_stats(BFA_FCPORT(&bfad->bfa),
+                               fcstats, bfad_hcb_comp, &fcomp);
+       spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+-      if (rc != BFA_STATUS_OK)
++      if (rc != BFA_STATUS_OK) {
++              kfree(fcstats);
+               return NULL;
++      }
+ 
+       wait_for_completion(&fcomp.comp);
+ 
+diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c 
b/drivers/staging/comedi/drivers/adv_pci1710.c
+index 2c1b6de30da8..385e14269870 100644
+--- a/drivers/staging/comedi/drivers/adv_pci1710.c
++++ b/drivers/staging/comedi/drivers/adv_pci1710.c
+@@ -45,8 +45,8 @@
+ #define PCI171X_RANGE_UNI     BIT(4)
+ #define PCI171X_RANGE_GAIN(x) (((x) & 0x7) << 0)
+ #define PCI171X_MUX_REG               0x04    /* W:   A/D multiplexor control 
*/
+-#define PCI171X_MUX_CHANH(x)  (((x) & 0xf) << 8)
+-#define PCI171X_MUX_CHANL(x)  (((x) & 0xf) << 0)
++#define PCI171X_MUX_CHANH(x)  (((x) & 0xff) << 8)
++#define PCI171X_MUX_CHANL(x)  (((x) & 0xff) << 0)
+ #define PCI171X_MUX_CHAN(x)   (PCI171X_MUX_CHANH(x) | PCI171X_MUX_CHANL(x))
+ #define PCI171X_STATUS_REG    0x06    /* R:   status register */
+ #define PCI171X_STATUS_IRQ    BIT(11) /* 1=IRQ occurred */
+diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c 
b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+index 3733b73863b6..536453358568 100644
+--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
++++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+@@ -45,6 +45,7 @@ static const struct usb_device_id rtw_usb_id_tbl[] = {
+       {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
+       {USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
+       {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
++      {USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */
+       {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
+       {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
+       {}      /* Terminating entry */
+diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
+index 74715c854856..705fffa59da9 100644
+--- a/drivers/staging/vt6656/device.h
++++ b/drivers/staging/vt6656/device.h
+@@ -269,6 +269,7 @@ struct vnt_private {
+       u8 mac_hw;
+       /* netdev */
+       struct usb_device *usb;
++      struct usb_interface *intf;
+ 
+       u64 tsf_time;
+       u8 rx_rate;
+diff --git a/drivers/staging/vt6656/main_usb.c 
b/drivers/staging/vt6656/main_usb.c
+index cc6d8778fe5b..645ea16b53d5 100644
+--- a/drivers/staging/vt6656/main_usb.c
++++ b/drivers/staging/vt6656/main_usb.c
+@@ -954,6 +954,7 @@ vt6656_probe(struct usb_interface *intf, const struct 
usb_device_id *id)
+       priv = hw->priv;
+       priv->hw = hw;
+       priv->usb = udev;
++      priv->intf = intf;
+ 
+       vnt_set_options(priv);
+ 
+diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c
+index b2fc17f1381b..3f6ccdeb6dec 100644
+--- a/drivers/staging/vt6656/wcmd.c
++++ b/drivers/staging/vt6656/wcmd.c
+@@ -109,6 +109,7 @@ void vnt_run_command(struct work_struct *work)
+               if (vnt_init(priv)) {
+                       /* If fail all ends TODO retry */
+                       dev_err(&priv->usb->dev, "failed to start\n");
++                      usb_set_intfdata(priv->intf, NULL);
+                       ieee80211_free_hw(priv->hw);
+                       return;
+               }
+diff --git a/drivers/tty/serial/serial_core.c 
b/drivers/tty/serial/serial_core.c
+index 38bb8f85e88d..0ff8de7725cf 100644
+--- a/drivers/tty/serial/serial_core.c
++++ b/drivers/tty/serial/serial_core.c
+@@ -2810,6 +2810,7 @@ int uart_add_one_port(struct uart_driver *drv, struct 
uart_port *uport)
+       if (uport->cons && uport->dev)
+               of_console_check(uport->dev->of_node, uport->cons->name, 
uport->line);
+ 
++      tty_port_link_device(port, drv->tty_driver, uport->line);
+       uart_configure_port(drv, state, uport);
+ 
+       port->console = uart_console(uport);
+diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
+index 18cb8e46262d..83683a5627f3 100644
+--- a/drivers/usb/chipidea/host.c
++++ b/drivers/usb/chipidea/host.c
+@@ -37,6 +37,7 @@ static int (*orig_bus_suspend)(struct usb_hcd *hcd);
+ 
+ struct ehci_ci_priv {
+       struct regulator *reg_vbus;
++      bool enabled;
+ };
+ 
+ static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable)
+@@ -48,7 +49,7 @@ static int ehci_ci_portpower(struct usb_hcd *hcd, int 
portnum, bool enable)
+       int ret = 0;
+       int port = HCS_N_PORTS(ehci->hcs_params);
+ 
+-      if (priv->reg_vbus) {
++      if (priv->reg_vbus && enable != priv->enabled) {
+               if (port > 1) {
+                       dev_warn(dev,
+                               "Not support multi-port regulator control\n");
+@@ -64,6 +65,7 @@ static int ehci_ci_portpower(struct usb_hcd *hcd, int 
portnum, bool enable)
+                               enable ? "enable" : "disable", ret);
+                       return ret;
+               }
++              priv->enabled = enable;
+       }
+ 
+       if (enable && (ci->platdata->phy_mode == USBPHY_INTERFACE_MODE_HSIC)) {
+diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
+index 1f525d5f6d2d..7df7faa3eed5 100644
+--- a/drivers/usb/core/config.c
++++ b/drivers/usb/core/config.c
+@@ -392,12 +392,16 @@ static int usb_parse_endpoint(struct device *ddev, int 
cfgno,
+                       endpoint->desc.wMaxPacketSize = cpu_to_le16(8);
+       }
+ 
+-      /* Validate the wMaxPacketSize field */
++      /*
++       * Validate the wMaxPacketSize field.
++       * Some devices have isochronous endpoints in altsetting 0;
++       * the USB-2 spec requires such endpoints to have wMaxPacketSize = 0
++       * (see the end of section 5.6.3), so don't warn about them.
++       */
+       maxp = usb_endpoint_maxp(&endpoint->desc);
+-      if (maxp == 0) {
+-              dev_warn(ddev, "config %d interface %d altsetting %d endpoint 
0x%X has wMaxPacketSize 0, skipping\n",
++      if (maxp == 0 && !(usb_endpoint_xfer_isoc(d) && asnum == 0)) {
++              dev_warn(ddev, "config %d interface %d altsetting %d endpoint 
0x%X has invalid wMaxPacketSize 0\n",
+                   cfgno, inum, asnum, d->bEndpointAddress);
+-              goto skip_to_next_endpoint_or_interface_descriptor;
+       }
+ 
+       /* Find the highest legal maxpacket size for this endpoint */
+diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
+index ff17e94ef465..dca39c9a13b0 100644
+--- a/drivers/usb/musb/musb_core.c
++++ b/drivers/usb/musb/musb_core.c
+@@ -1838,6 +1838,9 @@ static const struct attribute_group musb_attr_group = {
+ #define MUSB_QUIRK_B_INVALID_VBUS_91  (MUSB_DEVCTL_BDEVICE | \
+                                        (2 << MUSB_DEVCTL_VBUS_SHIFT) | \
+                                        MUSB_DEVCTL_SESSION)
++#define MUSB_QUIRK_B_DISCONNECT_99    (MUSB_DEVCTL_BDEVICE | \
++                                       (3 << MUSB_DEVCTL_VBUS_SHIFT) | \
++                                       MUSB_DEVCTL_SESSION)
+ #define MUSB_QUIRK_A_DISCONNECT_19    ((3 << MUSB_DEVCTL_VBUS_SHIFT) | \
+                                        MUSB_DEVCTL_SESSION)
+ 
+@@ -1860,6 +1863,11 @@ static void musb_pm_runtime_check_session(struct musb 
*musb)
+       s = MUSB_DEVCTL_FSDEV | MUSB_DEVCTL_LSDEV |
+               MUSB_DEVCTL_HR;
+       switch (devctl & ~s) {
++      case MUSB_QUIRK_B_DISCONNECT_99:
++              musb_dbg(musb, "Poll devctl in case of suspend after 
disconnect\n");
++              schedule_delayed_work(&musb->irq_work,
++                                    msecs_to_jiffies(1000));
++              break;
+       case MUSB_QUIRK_B_INVALID_VBUS_91:
+               if (musb->quirk_retries && !musb->flush_irq_work) {
+                       musb_dbg(musb,
+@@ -2320,6 +2328,9 @@ musb_init_controller(struct device *dev, int nIrq, void 
__iomem *ctrl)
+       musb_disable_interrupts(musb);
+       musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
+ 
++      /* MUSB_POWER_SOFTCONN might be already set, JZ4740 does this. */
++      musb_writeb(musb->mregs, MUSB_POWER, 0);
++
+       /* Init IRQ workqueue before request_irq */
+       INIT_DELAYED_WORK(&musb->irq_work, musb_irq_work);
+       INIT_DELAYED_WORK(&musb->deassert_reset_work, musb_deassert_reset);
+diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
+index 512108e22d2b..1dc35ab31275 100644
+--- a/drivers/usb/musb/musbhsdma.c
++++ b/drivers/usb/musb/musbhsdma.c
+@@ -399,7 +399,7 @@ struct dma_controller *musbhs_dma_controller_create(struct 
musb *musb,
+       controller->controller.channel_abort = dma_channel_abort;
+ 
+       if (request_irq(irq, dma_controller_irq, 0,
+-                      dev_name(musb->controller), &controller->controller)) {
++                      dev_name(musb->controller), controller)) {
+               dev_err(dev, "request_irq %d failed!\n", irq);
+               musb_dma_controller_destroy(&controller->controller);
+ 
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index dc9a1139e7e1..e69e31539914 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -570,6 +570,9 @@ static void option_instat_callback(struct urb *urb);
+ /* Interface must have two endpoints */
+ #define NUMEP2                BIT(16)
+ 
++/* Device needs ZLP */
++#define ZLP           BIT(17)
++
+ 
+ static const struct usb_device_id option_ids[] = {
+       { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
+@@ -1201,6 +1204,8 @@ static const struct usb_device_id option_ids[] = {
+         .driver_info = NCTRL(0) | RSVD(1) },
+       { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff),    /* 
Telit LN940 (MBIM) */
+         .driver_info = NCTRL(0) },
++      { USB_DEVICE(TELIT_VENDOR_ID, 0x9010),                          /* 
Telit SBL FN980 flashing device */
++        .driver_info = NCTRL(0) | ZLP },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 
0xff, 0xff) }, /* ZTE WCDMA products */
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 
0xff),
+         .driver_info = RSVD(1) },
+@@ -2109,6 +2114,9 @@ static int option_attach(struct usb_serial *serial)
+       if (!(device_flags & NCTRL(iface_desc->bInterfaceNumber)))
+               data->use_send_setup = 1;
+ 
++      if (device_flags & ZLP)
++              data->use_zlp = 1;
++
+       spin_lock_init(&data->susp_lock);
+ 
+       usb_set_serial_data(serial, data);
+diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h
+index d28dab4b9eff..9879773fb39e 100644
+--- a/drivers/usb/serial/usb-wwan.h
++++ b/drivers/usb/serial/usb-wwan.h
+@@ -36,6 +36,7 @@ struct usb_wwan_intf_private {
+       spinlock_t susp_lock;
+       unsigned int suspended:1;
+       unsigned int use_send_setup:1;
++      unsigned int use_zlp:1;
+       int in_flight;
+       unsigned int open_ports;
+       void *private;
+diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
+index 59bfcb3da116..95e9576c2fe6 100644
+--- a/drivers/usb/serial/usb_wwan.c
++++ b/drivers/usb/serial/usb_wwan.c
+@@ -492,6 +492,7 @@ static struct urb *usb_wwan_setup_urb(struct 
usb_serial_port *port,
+                                     void (*callback) (struct urb *))
+ {
+       struct usb_serial *serial = port->serial;
++      struct usb_wwan_intf_private *intfdata = usb_get_serial_data(serial);
+       struct urb *urb;
+ 
+       urb = usb_alloc_urb(0, GFP_KERNEL);     /* No ISO */
+@@ -502,6 +503,9 @@ static struct urb *usb_wwan_setup_urb(struct 
usb_serial_port *port,
+                         usb_sndbulkpipe(serial->dev, endpoint) | dir,
+                         buf, len, callback, ctx);
+ 
++      if (intfdata->use_zlp && dir == USB_DIR_OUT)
++              urb->transfer_flags |= URB_ZERO_PACKET;
++
+       return urb;
+ }
+ 
+diff --git a/fs/char_dev.c b/fs/char_dev.c
+index 20ce45c7c57c..715d76b00108 100644
+--- a/fs/char_dev.c
++++ b/fs/char_dev.c
+@@ -361,7 +361,7 @@ static struct kobject *cdev_get(struct cdev *p)
+ 
+       if (owner && !try_module_get(owner))
+               return NULL;
+-      kobj = kobject_get(&p->kobj);
++      kobj = kobject_get_unless_zero(&p->kobj);
+       if (!kobj)
+               module_put(owner);
+       return kobj;
+diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
+index c0c0b992210e..995903c7055b 100644
+--- a/include/linux/can/dev.h
++++ b/include/linux/can/dev.h
+@@ -18,6 +18,7 @@
+ #include <linux/can/error.h>
+ #include <linux/can/led.h>
+ #include <linux/can/netlink.h>
++#include <linux/can/skb.h>
+ #include <linux/netdevice.h>
+ 
+ /*
+@@ -90,6 +91,36 @@ struct can_priv {
+ #define get_can_dlc(i)                (min_t(__u8, (i), CAN_MAX_DLC))
+ #define get_canfd_dlc(i)      (min_t(__u8, (i), CANFD_MAX_DLC))
+ 
++/* Check for outgoing skbs that have not been created by the CAN subsystem */
++static inline bool can_skb_headroom_valid(struct net_device *dev,
++                                        struct sk_buff *skb)
++{
++      /* af_packet creates a headroom of HH_DATA_MOD bytes which is fine */
++      if (WARN_ON_ONCE(skb_headroom(skb) < sizeof(struct can_skb_priv)))
++              return false;
++
++      /* af_packet does not apply CAN skb specific settings */
++      if (skb->ip_summed == CHECKSUM_NONE) {
++              /* init headroom */
++              can_skb_prv(skb)->ifindex = dev->ifindex;
++              can_skb_prv(skb)->skbcnt = 0;
++
++              skb->ip_summed = CHECKSUM_UNNECESSARY;
++
++              /* preform proper loopback on capable devices */
++              if (dev->flags & IFF_ECHO)
++                      skb->pkt_type = PACKET_LOOPBACK;
++              else
++                      skb->pkt_type = PACKET_HOST;
++
++              skb_reset_mac_header(skb);
++              skb_reset_network_header(skb);
++              skb_reset_transport_header(skb);
++      }
++
++      return true;
++}
++
+ /* Drop a given socketbuffer if it does not contain a valid CAN frame. */
+ static inline bool can_dropped_invalid_skb(struct net_device *dev,
+                                         struct sk_buff *skb)
+@@ -107,6 +138,9 @@ static inline bool can_dropped_invalid_skb(struct 
net_device *dev,
+       } else
+               goto inval_skb;
+ 
++      if (!can_skb_headroom_valid(dev, skb))
++              goto inval_skb;
++
+       return false;
+ 
+ inval_skb:
+diff --git a/kernel/trace/trace_sched_wakeup.c 
b/kernel/trace/trace_sched_wakeup.c
+index 0fa9dadf3f4f..a5a4b5663163 100644
+--- a/kernel/trace/trace_sched_wakeup.c
++++ b/kernel/trace/trace_sched_wakeup.c
+@@ -640,7 +640,7 @@ static void start_wakeup_tracer(struct trace_array *tr)
+       if (ret) {
+               pr_info("wakeup trace: Couldn't activate tracepoint"
+                       " probe to kernel_sched_migrate_task\n");
+-              return;
++              goto fail_deprobe_sched_switch;
+       }
+ 
+       wakeup_reset(tr);
+@@ -658,6 +658,8 @@ static void start_wakeup_tracer(struct trace_array *tr)
+               printk(KERN_ERR "failed to start wakeup tracer\n");
+ 
+       return;
++fail_deprobe_sched_switch:
++      unregister_trace_sched_switch(probe_wakeup_sched_switch, NULL);
+ fail_deprobe_wake_new:
+       unregister_trace_sched_wakeup_new(probe_wakeup, NULL);
+ fail_deprobe:
+diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
+index 719a52a4064a..6f9091f874a9 100644
+--- a/kernel/trace/trace_stack.c
++++ b/kernel/trace/trace_stack.c
+@@ -196,6 +196,11 @@ check_stack(unsigned long ip, unsigned long *stack)
+       local_irq_restore(flags);
+ }
+ 
++/* Some archs may not define MCOUNT_INSN_SIZE */
++#ifndef MCOUNT_INSN_SIZE
++# define MCOUNT_INSN_SIZE 0
++#endif
++
+ static void
+ stack_trace_call(unsigned long ip, unsigned long parent_ip,
+                struct ftrace_ops *op, struct pt_regs *pt_regs)
+diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
+index 356ae7da4f16..e288489ae3d5 100644
+--- a/net/ipv4/netfilter/arp_tables.c
++++ b/net/ipv4/netfilter/arp_tables.c
+@@ -394,10 +394,11 @@ next:            ;
+       return 1;
+ }
+ 
+-static inline int check_target(struct arpt_entry *e, const char *name)
++static int check_target(struct arpt_entry *e, struct net *net, const char 
*name)
+ {
+       struct xt_entry_target *t = arpt_get_target(e);
+       struct xt_tgchk_param par = {
++              .net       = net,
+               .table     = name,
+               .entryinfo = e,
+               .target    = t->u.kernel.target,
+@@ -409,8 +410,9 @@ static inline int check_target(struct arpt_entry *e, const 
char *name)
+       return xt_check_target(&par, t->u.target_size - sizeof(*t), 0, false);
+ }
+ 
+-static inline int
+-find_check_entry(struct arpt_entry *e, const char *name, unsigned int size,
++static int
++find_check_entry(struct arpt_entry *e, struct net *net, const char *name,
++               unsigned int size,
+                struct xt_percpu_counter_alloc_state *alloc_state)
+ {
+       struct xt_entry_target *t;
+@@ -429,7 +431,7 @@ find_check_entry(struct arpt_entry *e, const char *name, 
unsigned int size,
+       }
+       t->u.kernel.target = target;
+ 
+-      ret = check_target(e, name);
++      ret = check_target(e, net, name);
+       if (ret)
+               goto err;
+       return 0;
+@@ -522,7 +524,9 @@ static inline void cleanup_entry(struct arpt_entry *e)
+ /* Checks and translates the user-supplied table segment (held in
+  * newinfo).
+  */
+-static int translate_table(struct xt_table_info *newinfo, void *entry0,
++static int translate_table(struct net *net,
++                         struct xt_table_info *newinfo,
++                         void *entry0,
+                          const struct arpt_replace *repl)
+ {
+       struct xt_percpu_counter_alloc_state alloc_state = { 0 };
+@@ -586,7 +590,7 @@ static int translate_table(struct xt_table_info *newinfo, 
void *entry0,
+       /* Finally, each sanity check must pass */
+       i = 0;
+       xt_entry_foreach(iter, entry0, newinfo->size) {
+-              ret = find_check_entry(iter, repl->name, repl->size,
++              ret = find_check_entry(iter, net, repl->name, repl->size,
+                                      &alloc_state);
+               if (ret != 0)
+                       break;
+@@ -974,7 +978,7 @@ static int do_replace(struct net *net, const void __user 
*user,
+               goto free_newinfo;
+       }
+ 
+-      ret = translate_table(newinfo, loc_cpu_entry, &tmp);
++      ret = translate_table(net, newinfo, loc_cpu_entry, &tmp);
+       if (ret != 0)
+               goto free_newinfo;
+ 
+@@ -1149,7 +1153,8 @@ compat_copy_entry_from_user(struct compat_arpt_entry *e, 
void **dstptr,
+       }
+ }
+ 
+-static int translate_compat_table(struct xt_table_info **pinfo,
++static int translate_compat_table(struct net *net,
++                                struct xt_table_info **pinfo,
+                                 void **pentry0,
+                                 const struct compat_arpt_replace *compatr)
+ {
+@@ -1217,7 +1222,7 @@ static int translate_compat_table(struct xt_table_info 
**pinfo,
+       repl.num_counters = 0;
+       repl.counters = NULL;
+       repl.size = newinfo->size;
+-      ret = translate_table(newinfo, entry1, &repl);
++      ret = translate_table(net, newinfo, entry1, &repl);
+       if (ret)
+               goto free_newinfo;
+ 
+@@ -1270,7 +1275,7 @@ static int compat_do_replace(struct net *net, void 
__user *user,
+               goto free_newinfo;
+       }
+ 
+-      ret = translate_compat_table(&newinfo, &loc_cpu_entry, &tmp);
++      ret = translate_compat_table(net, &newinfo, &loc_cpu_entry, &tmp);
+       if (ret != 0)
+               goto free_newinfo;
+ 
+@@ -1546,7 +1551,7 @@ int arpt_register_table(struct net *net,
+       loc_cpu_entry = newinfo->entries;
+       memcpy(loc_cpu_entry, repl->entries, repl->size);
+ 
+-      ret = translate_table(newinfo, loc_cpu_entry, repl);
++      ret = translate_table(net, newinfo, loc_cpu_entry, repl);
+       if (ret != 0)
+               goto out_free;
+ 
+diff --git a/net/netfilter/ipset/ip_set_core.c 
b/net/netfilter/ipset/ip_set_core.c
+index 94d74ec61f42..c2b21c9c1229 100644
+--- a/net/netfilter/ipset/ip_set_core.c
++++ b/net/netfilter/ipset/ip_set_core.c
+@@ -1639,6 +1639,7 @@ static int ip_set_utest(struct net *net, struct sock 
*ctnl, struct sk_buff *skb,
+       struct ip_set *set;
+       struct nlattr *tb[IPSET_ATTR_ADT_MAX + 1] = {};
+       int ret = 0;
++      u32 lineno;
+ 
+       if (unlikely(protocol_failed(attr) ||
+                    !attr[IPSET_ATTR_SETNAME] ||
+@@ -1655,7 +1656,7 @@ static int ip_set_utest(struct net *net, struct sock 
*ctnl, struct sk_buff *skb,
+               return -IPSET_ERR_PROTOCOL;
+ 
+       rcu_read_lock_bh();
+-      ret = set->variant->uadt(set, tb, IPSET_TEST, NULL, 0, 0);
++      ret = set->variant->uadt(set, tb, IPSET_TEST, &lineno, 0, 0);
+       rcu_read_unlock_bh();
+       /* Userspace can't trigger element to be re-added */
+       if (ret == -EAGAIN)
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index 41e3c77d5fb7..5a7afbeb612d 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -378,6 +378,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
+       case 0x10ec0672:
+               alc_update_coef_idx(codec, 0xd, 0, 1<<14); /* EAPD Ctrl */
+               break;
++      case 0x10ec0222:
+       case 0x10ec0623:
+               alc_update_coef_idx(codec, 0x19, 1<<13, 0);
+               break;
+@@ -396,6 +397,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
+               break;
+       case 0x10ec0899:
+       case 0x10ec0900:
++      case 0x10ec0b00:
+       case 0x10ec1168:
+       case 0x10ec1220:
+               alc_update_coef_idx(codec, 0x7, 1<<1, 0);
+@@ -2389,6 +2391,7 @@ static int patch_alc882(struct hda_codec *codec)
+       case 0x10ec0882:
+       case 0x10ec0885:
+       case 0x10ec0900:
++      case 0x10ec0b00:
+       case 0x10ec1220:
+               break;
+       default:
+@@ -8398,6 +8401,7 @@ static const struct hda_device_id snd_hda_id_realtek[] = 
{
+       HDA_CODEC_ENTRY(0x10ec0892, "ALC892", patch_alc662),
+       HDA_CODEC_ENTRY(0x10ec0899, "ALC898", patch_alc882),
+       HDA_CODEC_ENTRY(0x10ec0900, "ALC1150", patch_alc882),
++      HDA_CODEC_ENTRY(0x10ec0b00, "ALCS1200A", patch_alc882),
+       HDA_CODEC_ENTRY(0x10ec1168, "ALC1220", patch_alc882),
+       HDA_CODEC_ENTRY(0x10ec1220, "ALC1220", patch_alc882),
+       {} /* terminator */
+diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
+index ad14d6b78bdc..51ee7910e98c 100644
+--- a/sound/usb/quirks.c
++++ b/sound/usb/quirks.c
+@@ -1143,6 +1143,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio 
*chip)
+       case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
+       case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
+       case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
++      case USB_ID(0x05a7, 0x1020): /* Bose Companion 5 */
+       case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
+       case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
+       case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */

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