commit:     edceebae5b074eeabc237ce5ebc7c0b97dece0f0
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Thu Dec 13 11:37:43 2018 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Thu Dec 13 11:37:43 2018 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=edceebae

proj/linux-patches: Linux patch 4.14.88

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

 0000_README              |    4 +
 1087_linux-4.14.88.patch | 2403 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 2407 insertions(+)

diff --git a/0000_README b/0000_README
index b64e7d4..cd0b9dc 100644
--- a/0000_README
+++ b/0000_README
@@ -391,6 +391,10 @@ Patch:  1086_4.14.87.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.14.87
 
+Patch:  1087_4.14.88.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.14.88
+
 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/1087_linux-4.14.88.patch b/1087_linux-4.14.88.patch
new file mode 100644
index 0000000..4c1347a
--- /dev/null
+++ b/1087_linux-4.14.88.patch
@@ -0,0 +1,2403 @@
+diff --git a/Makefile b/Makefile
+index 322484348f3e..3fdee40861a1 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 87
++SUBLEVEL = 88
+ EXTRAVERSION =
+ NAME = Petit Gorille
+ 
+diff --git a/arch/arm/probes/kprobes/opt-arm.c 
b/arch/arm/probes/kprobes/opt-arm.c
+index b2aa9b32bff2..2c118a6ab358 100644
+--- a/arch/arm/probes/kprobes/opt-arm.c
++++ b/arch/arm/probes/kprobes/opt-arm.c
+@@ -247,7 +247,7 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe 
*op, struct kprobe *or
+       }
+ 
+       /* Copy arch-dep-instance from template. */
+-      memcpy(code, &optprobe_template_entry,
++      memcpy(code, (unsigned char *)optprobe_template_entry,
+                       TMPL_END_IDX * sizeof(kprobe_opcode_t));
+ 
+       /* Adjust buffer according to instruction. */
+diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
+index f7e965f63274..ddd4a3932127 100644
+--- a/drivers/dma/cppi41.c
++++ b/drivers/dma/cppi41.c
+@@ -723,8 +723,22 @@ static int cppi41_stop_chan(struct dma_chan *chan)
+ 
+       desc_phys = lower_32_bits(c->desc_phys);
+       desc_num = (desc_phys - cdd->descs_phys) / sizeof(struct cppi41_desc);
+-      if (!cdd->chan_busy[desc_num])
++      if (!cdd->chan_busy[desc_num]) {
++              struct cppi41_channel *cc, *_ct;
++
++              /*
++               * channels might still be in the pendling list if
++               * cppi41_dma_issue_pending() is called after
++               * cppi41_runtime_suspend() is called
++               */
++              list_for_each_entry_safe(cc, _ct, &cdd->pending, node) {
++                      if (cc != c)
++                              continue;
++                      list_del(&cc->node);
++                      break;
++              }
+               return 0;
++      }
+ 
+       ret = cppi41_tear_down_chan(c);
+       if (ret)
+diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
+index f43e6dafe446..0f389e008ce6 100644
+--- a/drivers/dma/dw/core.c
++++ b/drivers/dma/dw/core.c
+@@ -1064,12 +1064,12 @@ static void dwc_issue_pending(struct dma_chan *chan)
+ /*
+  * Program FIFO size of channels.
+  *
+- * By default full FIFO (1024 bytes) is assigned to channel 0. Here we
++ * By default full FIFO (512 bytes) is assigned to channel 0. Here we
+  * slice FIFO on equal parts between channels.
+  */
+ static void idma32_fifo_partition(struct dw_dma *dw)
+ {
+-      u64 value = IDMA32C_FP_PSIZE_CH0(128) | IDMA32C_FP_PSIZE_CH1(128) |
++      u64 value = IDMA32C_FP_PSIZE_CH0(64) | IDMA32C_FP_PSIZE_CH1(64) |
+                   IDMA32C_FP_UPDATE;
+       u64 fifo_partition = 0;
+ 
+@@ -1082,7 +1082,7 @@ static void idma32_fifo_partition(struct dw_dma *dw)
+       /* Fill FIFO_PARTITION high bits (Channels 2..3, 6..7) */
+       fifo_partition |= value << 32;
+ 
+-      /* Program FIFO Partition registers - 128 bytes for each channel */
++      /* Program FIFO Partition registers - 64 bytes per channel */
+       idma32_writeq(dw, FIFO_PARTITION1, fifo_partition);
+       idma32_writeq(dw, FIFO_PARTITION0, fifo_partition);
+ }
+diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
+index 9532d86a82f7..d99c8d8da9a0 100644
+--- a/drivers/gpio/gpio-mockup.c
++++ b/drivers/gpio/gpio-mockup.c
+@@ -35,8 +35,8 @@
+ #define GPIO_MOCKUP_MAX_RANGES        (GPIO_MOCKUP_MAX_GC * 2)
+ 
+ enum {
+-      GPIO_MOCKUP_DIR_OUT = 0,
+-      GPIO_MOCKUP_DIR_IN = 1,
++      GPIO_MOCKUP_DIR_IN = 0,
++      GPIO_MOCKUP_DIR_OUT = 1,
+ };
+ 
+ /*
+@@ -112,7 +112,7 @@ static int gpio_mockup_get_direction(struct gpio_chip *gc, 
unsigned int offset)
+ {
+       struct gpio_mockup_chip *chip = gpiochip_get_data(gc);
+ 
+-      return chip->lines[offset].dir;
++      return !chip->lines[offset].dir;
+ }
+ 
+ static int gpio_mockup_name_lines(struct device *dev,
+diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+index 3b3326daf32b..0f5dc97ae920 100644
+--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+@@ -52,6 +52,9 @@ MODULE_FIRMWARE("amdgpu/tonga_mc.bin");
+ MODULE_FIRMWARE("amdgpu/polaris11_mc.bin");
+ MODULE_FIRMWARE("amdgpu/polaris10_mc.bin");
+ MODULE_FIRMWARE("amdgpu/polaris12_mc.bin");
++MODULE_FIRMWARE("amdgpu/polaris11_k_mc.bin");
++MODULE_FIRMWARE("amdgpu/polaris10_k_mc.bin");
++MODULE_FIRMWARE("amdgpu/polaris12_k_mc.bin");
+ 
+ static const u32 golden_settings_tonga_a11[] =
+ {
+@@ -219,13 +222,39 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device 
*adev)
+               chip_name = "tonga";
+               break;
+       case CHIP_POLARIS11:
+-              chip_name = "polaris11";
++              if (((adev->pdev->device == 0x67ef) &&
++                   ((adev->pdev->revision == 0xe0) ||
++                    (adev->pdev->revision == 0xe5))) ||
++                  ((adev->pdev->device == 0x67ff) &&
++                   ((adev->pdev->revision == 0xcf) ||
++                    (adev->pdev->revision == 0xef) ||
++                    (adev->pdev->revision == 0xff))))
++                      chip_name = "polaris11_k";
++              else if ((adev->pdev->device == 0x67ef) &&
++                       (adev->pdev->revision == 0xe2))
++                      chip_name = "polaris11_k";
++              else
++                      chip_name = "polaris11";
+               break;
+       case CHIP_POLARIS10:
+-              chip_name = "polaris10";
++              if ((adev->pdev->device == 0x67df) &&
++                  ((adev->pdev->revision == 0xe1) ||
++                   (adev->pdev->revision == 0xf7)))
++                      chip_name = "polaris10_k";
++              else
++                      chip_name = "polaris10";
+               break;
+       case CHIP_POLARIS12:
+-              chip_name = "polaris12";
++              if (((adev->pdev->device == 0x6987) &&
++                   ((adev->pdev->revision == 0xc0) ||
++                    (adev->pdev->revision == 0xc3))) ||
++                  ((adev->pdev->device == 0x6981) &&
++                   ((adev->pdev->revision == 0x00) ||
++                    (adev->pdev->revision == 0x01) ||
++                    (adev->pdev->revision == 0x10))))
++                      chip_name = "polaris12_k";
++              else
++                      chip_name = "polaris12";
+               break;
+       case CHIP_FIJI:
+       case CHIP_CARRIZO:
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index 3fc8c0d67592..fcc688df694c 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -266,6 +266,9 @@
+ 
+ #define USB_VENDOR_ID_CIDC            0x1677
+ 
++#define I2C_VENDOR_ID_CIRQUE          0x0488
++#define I2C_PRODUCT_ID_CIRQUE_121F    0x121F
++
+ #define USB_VENDOR_ID_CJTOUCH         0x24b8
+ #define USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020        0x0020
+ #define USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040        0x0040
+@@ -1001,6 +1004,7 @@
+ #define USB_VENDOR_ID_SYMBOL          0x05e0
+ #define USB_DEVICE_ID_SYMBOL_SCANNER_1        0x0800
+ #define USB_DEVICE_ID_SYMBOL_SCANNER_2        0x1300
++#define USB_DEVICE_ID_SYMBOL_SCANNER_3        0x1200
+ 
+ #define USB_VENDOR_ID_SYNAPTICS               0x06cb
+ #define USB_DEVICE_ID_SYNAPTICS_TP    0x0001
+diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
+index bb984cc9753b..d146a9b545ee 100644
+--- a/drivers/hid/hid-input.c
++++ b/drivers/hid/hid-input.c
+@@ -325,6 +325,9 @@ static const struct hid_device_id hid_battery_quirks[] = {
+       { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM,
+               USB_DEVICE_ID_ELECOM_BM084),
+         HID_BATTERY_QUIRK_IGNORE },
++      { HID_USB_DEVICE(USB_VENDOR_ID_SYMBOL,
++              USB_DEVICE_ID_SYMBOL_SCANNER_3),
++        HID_BATTERY_QUIRK_IGNORE },
+       {}
+ };
+ 
+diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
+index c3b9bd5dba75..07d92d4a9f7c 100644
+--- a/drivers/hid/hid-multitouch.c
++++ b/drivers/hid/hid-multitouch.c
+@@ -1474,6 +1474,12 @@ static const struct hid_device_id mt_devices[] = {
+               MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
+                       USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
+ 
++      /* Cirque devices */
++      { .driver_data = MT_CLS_WIN_8_DUAL,
++              HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
++                      I2C_VENDOR_ID_CIRQUE,
++                      I2C_PRODUCT_ID_CIRQUE_121F) },
++
+       /* CJTouch panels */
+       { .driver_data = MT_CLS_NSMU,
+               MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH,
+diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
+index 752c52f7353d..43eaf54736f4 100644
+--- a/drivers/hv/channel_mgmt.c
++++ b/drivers/hv/channel_mgmt.c
+@@ -444,61 +444,16 @@ void vmbus_free_channels(void)
+       }
+ }
+ 
+-/*
+- * vmbus_process_offer - Process the offer by creating a channel/device
+- * associated with this offer
+- */
+-static void vmbus_process_offer(struct vmbus_channel *newchannel)
++/* Note: the function can run concurrently for primary/sub channels. */
++static void vmbus_add_channel_work(struct work_struct *work)
+ {
+-      struct vmbus_channel *channel;
+-      bool fnew = true;
++      struct vmbus_channel *newchannel =
++              container_of(work, struct vmbus_channel, add_channel_work);
++      struct vmbus_channel *primary_channel = newchannel->primary_channel;
+       unsigned long flags;
+       u16 dev_type;
+       int ret;
+ 
+-      /* Make sure this is a new offer */
+-      mutex_lock(&vmbus_connection.channel_mutex);
+-
+-      /*
+-       * Now that we have acquired the channel_mutex,
+-       * we can release the potentially racing rescind thread.
+-       */
+-      atomic_dec(&vmbus_connection.offer_in_progress);
+-
+-      list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) {
+-              if (!uuid_le_cmp(channel->offermsg.offer.if_type,
+-                      newchannel->offermsg.offer.if_type) &&
+-                      !uuid_le_cmp(channel->offermsg.offer.if_instance,
+-                              newchannel->offermsg.offer.if_instance)) {
+-                      fnew = false;
+-                      break;
+-              }
+-      }
+-
+-      if (fnew)
+-              list_add_tail(&newchannel->listentry,
+-                            &vmbus_connection.chn_list);
+-
+-      mutex_unlock(&vmbus_connection.channel_mutex);
+-
+-      if (!fnew) {
+-              /*
+-               * Check to see if this is a sub-channel.
+-               */
+-              if (newchannel->offermsg.offer.sub_channel_index != 0) {
+-                      /*
+-                       * Process the sub-channel.
+-                       */
+-                      newchannel->primary_channel = channel;
+-                      spin_lock_irqsave(&channel->lock, flags);
+-                      list_add_tail(&newchannel->sc_list, &channel->sc_list);
+-                      channel->num_sc++;
+-                      spin_unlock_irqrestore(&channel->lock, flags);
+-              } else {
+-                      goto err_free_chan;
+-              }
+-      }
+-
+       dev_type = hv_get_dev_type(newchannel);
+ 
+       init_vp_index(newchannel, dev_type);
+@@ -516,21 +471,22 @@ static void vmbus_process_offer(struct vmbus_channel 
*newchannel)
+       /*
+        * This state is used to indicate a successful open
+        * so that when we do close the channel normally, we
+-       * can cleanup properly
++       * can cleanup properly.
+        */
+       newchannel->state = CHANNEL_OPEN_STATE;
+ 
+-      if (!fnew) {
+-              if (channel->sc_creation_callback != NULL)
+-                      channel->sc_creation_callback(newchannel);
++      if (primary_channel != NULL) {
++              /* newchannel is a sub-channel. */
++
++              if (primary_channel->sc_creation_callback != NULL)
++                      primary_channel->sc_creation_callback(newchannel);
++
+               newchannel->probe_done = true;
+               return;
+       }
+ 
+       /*
+-       * Start the process of binding this offer to the driver
+-       * We need to set the DeviceObject field before calling
+-       * vmbus_child_dev_add()
++       * Start the process of binding the primary channel to the driver
+        */
+       newchannel->device_obj = vmbus_device_create(
+               &newchannel->offermsg.offer.if_type,
+@@ -559,13 +515,28 @@ static void vmbus_process_offer(struct vmbus_channel 
*newchannel)
+ 
+ err_deq_chan:
+       mutex_lock(&vmbus_connection.channel_mutex);
+-      list_del(&newchannel->listentry);
++
++      /*
++       * We need to set the flag, otherwise
++       * vmbus_onoffer_rescind() can be blocked.
++       */
++      newchannel->probe_done = true;
++
++      if (primary_channel == NULL) {
++              list_del(&newchannel->listentry);
++      } else {
++              spin_lock_irqsave(&primary_channel->lock, flags);
++              list_del(&newchannel->sc_list);
++              spin_unlock_irqrestore(&primary_channel->lock, flags);
++      }
++
+       mutex_unlock(&vmbus_connection.channel_mutex);
+ 
+       if (newchannel->target_cpu != get_cpu()) {
+               put_cpu();
+               smp_call_function_single(newchannel->target_cpu,
+-                                       percpu_channel_deq, newchannel, true);
++                                       percpu_channel_deq,
++                                       newchannel, true);
+       } else {
+               percpu_channel_deq(newchannel);
+               put_cpu();
+@@ -573,14 +544,104 @@ err_deq_chan:
+ 
+       vmbus_release_relid(newchannel->offermsg.child_relid);
+ 
+-err_free_chan:
+       free_channel(newchannel);
+ }
+ 
++/*
++ * vmbus_process_offer - Process the offer by creating a channel/device
++ * associated with this offer
++ */
++static void vmbus_process_offer(struct vmbus_channel *newchannel)
++{
++      struct vmbus_channel *channel;
++      struct workqueue_struct *wq;
++      unsigned long flags;
++      bool fnew = true;
++
++      mutex_lock(&vmbus_connection.channel_mutex);
++
++      /*
++       * Now that we have acquired the channel_mutex,
++       * we can release the potentially racing rescind thread.
++       */
++      atomic_dec(&vmbus_connection.offer_in_progress);
++
++      list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) {
++              if (!uuid_le_cmp(channel->offermsg.offer.if_type,
++                               newchannel->offermsg.offer.if_type) &&
++                  !uuid_le_cmp(channel->offermsg.offer.if_instance,
++                               newchannel->offermsg.offer.if_instance)) {
++                      fnew = false;
++                      break;
++              }
++      }
++
++      if (fnew)
++              list_add_tail(&newchannel->listentry,
++                            &vmbus_connection.chn_list);
++      else {
++              /*
++               * Check to see if this is a valid sub-channel.
++               */
++              if (newchannel->offermsg.offer.sub_channel_index == 0) {
++                      mutex_unlock(&vmbus_connection.channel_mutex);
++                      /*
++                       * Don't call free_channel(), because newchannel->kobj
++                       * is not initialized yet.
++                       */
++                      kfree(newchannel);
++                      WARN_ON_ONCE(1);
++                      return;
++              }
++              /*
++               * Process the sub-channel.
++               */
++              newchannel->primary_channel = channel;
++              spin_lock_irqsave(&channel->lock, flags);
++              list_add_tail(&newchannel->sc_list, &channel->sc_list);
++              spin_unlock_irqrestore(&channel->lock, flags);
++      }
++
++      mutex_unlock(&vmbus_connection.channel_mutex);
++
++      /*
++       * vmbus_process_offer() mustn't call channel->sc_creation_callback()
++       * directly for sub-channels, because sc_creation_callback() ->
++       * vmbus_open() may never get the host's response to the
++       * OPEN_CHANNEL message (the host may rescind a channel at any time,
++       * e.g. in the case of hot removing a NIC), and vmbus_onoffer_rescind()
++       * may not wake up the vmbus_open() as it's blocked due to a non-zero
++       * vmbus_connection.offer_in_progress, and finally we have a deadlock.
++       *
++       * The above is also true for primary channels, if the related device
++       * drivers use sync probing mode by default.
++       *
++       * And, usually the handling of primary channels and sub-channels can
++       * depend on each other, so we should offload them to different
++       * workqueues to avoid possible deadlock, e.g. in sync-probing mode,
++       * NIC1's netvsc_subchan_work() can race with NIC2's netvsc_probe() ->
++       * rtnl_lock(), and causes deadlock: the former gets the rtnl_lock
++       * and waits for all the sub-channels to appear, but the latter
++       * can't get the rtnl_lock and this blocks the handling of
++       * sub-channels.
++       */
++      INIT_WORK(&newchannel->add_channel_work, vmbus_add_channel_work);
++      wq = fnew ? vmbus_connection.handle_primary_chan_wq :
++                  vmbus_connection.handle_sub_chan_wq;
++      queue_work(wq, &newchannel->add_channel_work);
++}
++
+ /*
+  * We use this state to statically distribute the channel interrupt load.
+  */
+ static int next_numa_node_id;
++/*
++ * init_vp_index() accesses global variables like next_numa_node_id, and
++ * it can run concurrently for primary channels and sub-channels: see
++ * vmbus_process_offer(), so we need the lock to protect the global
++ * variables.
++ */
++static DEFINE_SPINLOCK(bind_channel_to_cpu_lock);
+ 
+ /*
+  * Starting with Win8, we can statically distribute the incoming
+@@ -618,6 +679,8 @@ static void init_vp_index(struct vmbus_channel *channel, 
u16 dev_type)
+               return;
+       }
+ 
++      spin_lock(&bind_channel_to_cpu_lock);
++
+       /*
+        * Based on the channel affinity policy, we will assign the NUMA
+        * nodes.
+@@ -700,6 +763,8 @@ static void init_vp_index(struct vmbus_channel *channel, 
u16 dev_type)
+       channel->target_cpu = cur_cpu;
+       channel->target_vp = hv_cpu_number_to_vp_number(cur_cpu);
+ 
++      spin_unlock(&bind_channel_to_cpu_lock);
++
+       free_cpumask_var(available_mask);
+ }
+ 
+diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
+index 5449fc59b7f5..4b1b70751be3 100644
+--- a/drivers/hv/connection.c
++++ b/drivers/hv/connection.c
+@@ -161,6 +161,20 @@ int vmbus_connect(void)
+               goto cleanup;
+       }
+ 
++      vmbus_connection.handle_primary_chan_wq =
++              create_workqueue("hv_pri_chan");
++      if (!vmbus_connection.handle_primary_chan_wq) {
++              ret = -ENOMEM;
++              goto cleanup;
++      }
++
++      vmbus_connection.handle_sub_chan_wq =
++              create_workqueue("hv_sub_chan");
++      if (!vmbus_connection.handle_sub_chan_wq) {
++              ret = -ENOMEM;
++              goto cleanup;
++      }
++
+       INIT_LIST_HEAD(&vmbus_connection.chn_msg_list);
+       spin_lock_init(&vmbus_connection.channelmsg_lock);
+ 
+@@ -251,10 +265,14 @@ void vmbus_disconnect(void)
+        */
+       vmbus_initiate_unload(false);
+ 
+-      if (vmbus_connection.work_queue) {
+-              drain_workqueue(vmbus_connection.work_queue);
++      if (vmbus_connection.handle_sub_chan_wq)
++              destroy_workqueue(vmbus_connection.handle_sub_chan_wq);
++
++      if (vmbus_connection.handle_primary_chan_wq)
++              destroy_workqueue(vmbus_connection.handle_primary_chan_wq);
++
++      if (vmbus_connection.work_queue)
+               destroy_workqueue(vmbus_connection.work_queue);
+-      }
+ 
+       if (vmbus_connection.int_page) {
+               free_pages((unsigned long)vmbus_connection.int_page, 0);
+diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
+index 49569f8fe038..a166de6efd99 100644
+--- a/drivers/hv/hyperv_vmbus.h
++++ b/drivers/hv/hyperv_vmbus.h
+@@ -327,7 +327,14 @@ struct vmbus_connection {
+       struct list_head chn_list;
+       struct mutex channel_mutex;
+ 
++      /*
++       * An offer message is handled first on the work_queue, and then
++       * is further handled on handle_primary_chan_wq or
++       * handle_sub_chan_wq.
++       */
+       struct workqueue_struct *work_queue;
++      struct workqueue_struct *handle_primary_chan_wq;
++      struct workqueue_struct *handle_sub_chan_wq;
+ };
+ 
+ 
+diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
+index 6fe2d0346073..b97984a5ddad 100644
+--- a/drivers/iommu/amd_iommu_init.c
++++ b/drivers/iommu/amd_iommu_init.c
+@@ -796,7 +796,8 @@ static int iommu_init_ga_log(struct amd_iommu *iommu)
+       entry = iommu_virt_to_phys(iommu->ga_log) | GA_LOG_SIZE_512;
+       memcpy_toio(iommu->mmio_base + MMIO_GA_LOG_BASE_OFFSET,
+                   &entry, sizeof(entry));
+-      entry = (iommu_virt_to_phys(iommu->ga_log) & 0xFFFFFFFFFFFFFULL) & 
~7ULL;
++      entry = (iommu_virt_to_phys(iommu->ga_log_tail) &
++               (BIT_ULL(52)-1)) & ~7ULL;
+       memcpy_toio(iommu->mmio_base + MMIO_GA_LOG_TAIL_OFFSET,
+                   &entry, sizeof(entry));
+       writel(0x00, iommu->mmio_base + MMIO_GA_HEAD_OFFSET);
+diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
+index aaf3fed97477..e86c1c8ec7f6 100644
+--- a/drivers/iommu/intel-iommu.c
++++ b/drivers/iommu/intel-iommu.c
+@@ -3086,7 +3086,7 @@ static int copy_context_table(struct intel_iommu *iommu,
+                       }
+ 
+                       if (old_ce)
+-                              iounmap(old_ce);
++                              memunmap(old_ce);
+ 
+                       ret = 0;
+                       if (devfn < 0x80)
+diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
+index d7def26ccf79..f5573bb9f450 100644
+--- a/drivers/iommu/intel-svm.c
++++ b/drivers/iommu/intel-svm.c
+@@ -589,7 +589,7 @@ static irqreturn_t prq_event_thread(int irq, void *d)
+                       pr_err("%s: Page request without PASID: %08llx 
%08llx\n",
+                              iommu->name, ((unsigned long long *)req)[0],
+                              ((unsigned long long *)req)[1]);
+-                      goto bad_req;
++                      goto no_pasid;
+               }
+ 
+               if (!svm || svm->pasid != req->pasid) {
+diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
+index 5d0ba5f644c4..777aff1f549f 100644
+--- a/drivers/iommu/ipmmu-vmsa.c
++++ b/drivers/iommu/ipmmu-vmsa.c
+@@ -424,6 +424,9 @@ static int ipmmu_domain_init_context(struct 
ipmmu_vmsa_domain *domain)
+ 
+ static void ipmmu_domain_destroy_context(struct ipmmu_vmsa_domain *domain)
+ {
++      if (!domain->mmu)
++              return;
++
+       /*
+        * Disable the context. Flush the TLB as required when modifying the
+        * context registers.
+diff --git a/drivers/media/platform/omap3isp/isp.c 
b/drivers/media/platform/omap3isp/isp.c
+index 6e6e978263b0..c834fea5f9b0 100644
+--- a/drivers/media/platform/omap3isp/isp.c
++++ b/drivers/media/platform/omap3isp/isp.c
+@@ -1592,6 +1592,8 @@ static void isp_pm_complete(struct device *dev)
+ 
+ static void isp_unregister_entities(struct isp_device *isp)
+ {
++      media_device_unregister(&isp->media_dev);
++
+       omap3isp_csi2_unregister_entities(&isp->isp_csi2a);
+       omap3isp_ccp2_unregister_entities(&isp->isp_ccp2);
+       omap3isp_ccdc_unregister_entities(&isp->isp_ccdc);
+@@ -1602,7 +1604,6 @@ static void isp_unregister_entities(struct isp_device 
*isp)
+       omap3isp_stat_unregister_entities(&isp->isp_hist);
+ 
+       v4l2_device_unregister(&isp->v4l2_dev);
+-      media_device_unregister(&isp->media_dev);
+       media_device_cleanup(&isp->media_dev);
+ }
+ 
+diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c
+index b49ca02b399d..09d5f7df6023 100644
+--- a/drivers/mtd/nand/qcom_nandc.c
++++ b/drivers/mtd/nand/qcom_nandc.c
+@@ -149,15 +149,15 @@
+ #define       NAND_VERSION_MINOR_SHIFT        16
+ 
+ /* NAND OP_CMDs */
+-#define       PAGE_READ                       0x2
+-#define       PAGE_READ_WITH_ECC              0x3
+-#define       PAGE_READ_WITH_ECC_SPARE        0x4
+-#define       PROGRAM_PAGE                    0x6
+-#define       PAGE_PROGRAM_WITH_ECC           0x7
+-#define       PROGRAM_PAGE_SPARE              0x9
+-#define       BLOCK_ERASE                     0xa
+-#define       FETCH_ID                        0xb
+-#define       RESET_DEVICE                    0xd
++#define       OP_PAGE_READ                    0x2
++#define       OP_PAGE_READ_WITH_ECC           0x3
++#define       OP_PAGE_READ_WITH_ECC_SPARE     0x4
++#define       OP_PROGRAM_PAGE                 0x6
++#define       OP_PAGE_PROGRAM_WITH_ECC        0x7
++#define       OP_PROGRAM_PAGE_SPARE           0x9
++#define       OP_BLOCK_ERASE                  0xa
++#define       OP_FETCH_ID                     0xb
++#define       OP_RESET_DEVICE                 0xd
+ 
+ /* Default Value for NAND_DEV_CMD_VLD */
+ #define NAND_DEV_CMD_VLD_VAL          (READ_START_VLD | WRITE_START_VLD | \
+@@ -629,11 +629,11 @@ static void update_rw_regs(struct qcom_nand_host *host, 
int num_cw, bool read)
+ 
+       if (read) {
+               if (host->use_ecc)
+-                      cmd = PAGE_READ_WITH_ECC | PAGE_ACC | LAST_PAGE;
++                      cmd = OP_PAGE_READ_WITH_ECC | PAGE_ACC | LAST_PAGE;
+               else
+-                      cmd = PAGE_READ | PAGE_ACC | LAST_PAGE;
++                      cmd = OP_PAGE_READ | PAGE_ACC | LAST_PAGE;
+       } else {
+-                      cmd = PROGRAM_PAGE | PAGE_ACC | LAST_PAGE;
++              cmd = OP_PROGRAM_PAGE | PAGE_ACC | LAST_PAGE;
+       }
+ 
+       if (host->use_ecc) {
+@@ -1030,7 +1030,7 @@ static int nandc_param(struct qcom_nand_host *host)
+        * in use. we configure the controller to perform a raw read of 512
+        * bytes to read onfi params
+        */
+-      nandc_set_reg(nandc, NAND_FLASH_CMD, PAGE_READ | PAGE_ACC | LAST_PAGE);
++      nandc_set_reg(nandc, NAND_FLASH_CMD, OP_PAGE_READ | PAGE_ACC | 
LAST_PAGE);
+       nandc_set_reg(nandc, NAND_ADDR0, 0);
+       nandc_set_reg(nandc, NAND_ADDR1, 0);
+       nandc_set_reg(nandc, NAND_DEV0_CFG0, 0 << CW_PER_PAGE
+@@ -1084,7 +1084,7 @@ static int erase_block(struct qcom_nand_host *host, int 
page_addr)
+       struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
+ 
+       nandc_set_reg(nandc, NAND_FLASH_CMD,
+-                    BLOCK_ERASE | PAGE_ACC | LAST_PAGE);
++                    OP_BLOCK_ERASE | PAGE_ACC | LAST_PAGE);
+       nandc_set_reg(nandc, NAND_ADDR0, page_addr);
+       nandc_set_reg(nandc, NAND_ADDR1, 0);
+       nandc_set_reg(nandc, NAND_DEV0_CFG0,
+@@ -1115,7 +1115,7 @@ static int read_id(struct qcom_nand_host *host, int 
column)
+       if (column == -1)
+               return 0;
+ 
+-      nandc_set_reg(nandc, NAND_FLASH_CMD, FETCH_ID);
++      nandc_set_reg(nandc, NAND_FLASH_CMD, OP_FETCH_ID);
+       nandc_set_reg(nandc, NAND_ADDR0, column);
+       nandc_set_reg(nandc, NAND_ADDR1, 0);
+       nandc_set_reg(nandc, NAND_FLASH_CHIP_SELECT,
+@@ -1136,7 +1136,7 @@ static int reset(struct qcom_nand_host *host)
+       struct nand_chip *chip = &host->chip;
+       struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
+ 
+-      nandc_set_reg(nandc, NAND_FLASH_CMD, RESET_DEVICE);
++      nandc_set_reg(nandc, NAND_FLASH_CMD, OP_RESET_DEVICE);
+       nandc_set_reg(nandc, NAND_EXEC_CMD, 1);
+ 
+       write_reg_dma(nandc, NAND_FLASH_CMD, 1, NAND_BAM_NEXT_SGL);
+diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c 
b/drivers/mtd/spi-nor/cadence-quadspi.c
+index 8d89204b90d2..f22dd34f4f83 100644
+--- a/drivers/mtd/spi-nor/cadence-quadspi.c
++++ b/drivers/mtd/spi-nor/cadence-quadspi.c
+@@ -625,9 +625,23 @@ static int cqspi_indirect_write_execute(struct spi_nor 
*nor,
+              reg_base + CQSPI_REG_INDIRECTWR);
+ 
+       while (remaining > 0) {
++              size_t write_words, mod_bytes;
++
+               write_bytes = remaining > page_size ? page_size : remaining;
+-              iowrite32_rep(cqspi->ahb_base, txbuf,
+-                            DIV_ROUND_UP(write_bytes, 4));
++              write_words = write_bytes / 4;
++              mod_bytes = write_bytes % 4;
++              /* Write 4 bytes at a time then single bytes. */
++              if (write_words) {
++                      iowrite32_rep(cqspi->ahb_base, txbuf, write_words);
++                      txbuf += (write_words * 4);
++              }
++              if (mod_bytes) {
++                      unsigned int temp = 0xFFFFFFFF;
++
++                      memcpy(&temp, txbuf, mod_bytes);
++                      iowrite32(temp, cqspi->ahb_base);
++                      txbuf += mod_bytes;
++              }
+ 
+               ret = wait_for_completion_timeout(&cqspi->transfer_complete,
+                                                 msecs_to_jiffies
+@@ -638,7 +652,6 @@ static int cqspi_indirect_write_execute(struct spi_nor 
*nor,
+                       goto failwr;
+               }
+ 
+-              txbuf += write_bytes;
+               remaining -= write_bytes;
+ 
+               if (remaining > 0)
+diff --git a/drivers/net/can/rcar/rcar_can.c b/drivers/net/can/rcar/rcar_can.c
+index 11662f479e76..771a46083739 100644
+--- a/drivers/net/can/rcar/rcar_can.c
++++ b/drivers/net/can/rcar/rcar_can.c
+@@ -24,6 +24,9 @@
+ 
+ #define RCAR_CAN_DRV_NAME     "rcar_can"
+ 
++#define RCAR_SUPPORTED_CLOCKS (BIT(CLKR_CLKP1) | BIT(CLKR_CLKP2) | \
++                               BIT(CLKR_CLKEXT))
++
+ /* Mailbox configuration:
+  * mailbox 60 - 63 - Rx FIFO mailboxes
+  * mailbox 56 - 59 - Tx FIFO mailboxes
+@@ -789,7 +792,7 @@ static int rcar_can_probe(struct platform_device *pdev)
+               goto fail_clk;
+       }
+ 
+-      if (clock_select >= ARRAY_SIZE(clock_names)) {
++      if (!(BIT(clock_select) & RCAR_SUPPORTED_CLOCKS)) {
+               err = -EINVAL;
+               dev_err(&pdev->dev, "invalid CAN clock selected\n");
+               goto fail_clk;
+diff --git a/drivers/net/ethernet/amd/sunlance.c 
b/drivers/net/ethernet/amd/sunlance.c
+index 291ca5187f12..9845e07d40cd 100644
+--- a/drivers/net/ethernet/amd/sunlance.c
++++ b/drivers/net/ethernet/amd/sunlance.c
+@@ -1418,7 +1418,7 @@ static int sparc_lance_probe_one(struct platform_device 
*op,
+ 
+                       prop = of_get_property(nd, "tpe-link-test?", NULL);
+                       if (!prop)
+-                              goto no_link_test;
++                              goto node_put;
+ 
+                       if (strcmp(prop, "true")) {
+                               printk(KERN_NOTICE "SunLance: warning: 
overriding option "
+@@ -1427,6 +1427,8 @@ static int sparc_lance_probe_one(struct platform_device 
*op,
+                                      "to [email protected]\n");
+                               auxio_set_lte(AUXIO_LTE_ON);
+                       }
++node_put:
++                      of_node_put(nd);
+ no_link_test:
+                       lp->auto_select = 1;
+                       lp->tpe = 0;
+diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h 
b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+index 828e2e56b75e..1b7f4342dab9 100644
+--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+@@ -2187,6 +2187,13 @@ void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, 
u8 idu_sb_id,
+ #define PMF_DMAE_C(bp)                        (BP_PORT(bp) * 
MAX_DMAE_C_PER_PORT + \
+                                        E1HVN_MAX)
+ 
++/* Following is the DMAE channel number allocation for the clients.
++ *   MFW: OCBB/OCSD implementations use DMAE channels 14/15 respectively.
++ *   Driver: 0-3 and 8-11 (for PF dmae operations)
++ *           4 and 12 (for stats requests)
++ */
++#define BNX2X_FW_DMAE_C                 13 /* Channel for FW DMAE operations 
*/
++
+ /* PCIE link and speed */
+ #define PCICFG_LINK_WIDTH             0x1f00000
+ #define PCICFG_LINK_WIDTH_SHIFT               20
+diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c 
b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+index 8baf9d3eb4b1..453bfd83a070 100644
+--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+@@ -6149,6 +6149,7 @@ static inline int bnx2x_func_send_start(struct bnx2x *bp,
+       rdata->sd_vlan_tag      = cpu_to_le16(start_params->sd_vlan_tag);
+       rdata->path_id          = BP_PATH(bp);
+       rdata->network_cos_mode = start_params->network_cos_mode;
++      rdata->dmae_cmd_id      = BNX2X_FW_DMAE_C;
+ 
+       rdata->vxlan_dst_port   = cpu_to_le16(start_params->vxlan_dst_port);
+       rdata->geneve_dst_port  = cpu_to_le16(start_params->geneve_dst_port);
+diff --git a/drivers/net/ethernet/faraday/ftmac100.c 
b/drivers/net/ethernet/faraday/ftmac100.c
+index 66928a922824..415fd93e9930 100644
+--- a/drivers/net/ethernet/faraday/ftmac100.c
++++ b/drivers/net/ethernet/faraday/ftmac100.c
+@@ -870,11 +870,10 @@ static irqreturn_t ftmac100_interrupt(int irq, void 
*dev_id)
+       struct net_device *netdev = dev_id;
+       struct ftmac100 *priv = netdev_priv(netdev);
+ 
+-      if (likely(netif_running(netdev))) {
+-              /* Disable interrupts for polling */
+-              ftmac100_disable_all_int(priv);
++      /* Disable interrupts for polling */
++      ftmac100_disable_all_int(priv);
++      if (likely(netif_running(netdev)))
+               napi_schedule(&priv->napi);
+-      }
+ 
+       return IRQ_HANDLED;
+ }
+diff --git a/drivers/net/ethernet/ibm/ibmvnic.c 
b/drivers/net/ethernet/ibm/ibmvnic.c
+index 5c7134ccc1fd..14c53ed5cca6 100644
+--- a/drivers/net/ethernet/ibm/ibmvnic.c
++++ b/drivers/net/ethernet/ibm/ibmvnic.c
+@@ -457,8 +457,8 @@ static void release_rx_pools(struct ibmvnic_adapter 
*adapter)
+ 
+               for (j = 0; j < rx_pool->size; j++) {
+                       if (rx_pool->rx_buff[j].skb) {
+-                              dev_kfree_skb_any(rx_pool->rx_buff[i].skb);
+-                              rx_pool->rx_buff[i].skb = NULL;
++                              dev_kfree_skb_any(rx_pool->rx_buff[j].skb);
++                              rx_pool->rx_buff[j].skb = NULL;
+                       }
+               }
+ 
+diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c 
b/drivers/net/ethernet/mellanox/mlx4/alloc.c
+index 6dabd983e7e0..94f4dc4a77e9 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/alloc.c
++++ b/drivers/net/ethernet/mellanox/mlx4/alloc.c
+@@ -337,7 +337,7 @@ void mlx4_zone_allocator_destroy(struct 
mlx4_zone_allocator *zone_alloc)
+ static u32 __mlx4_alloc_from_zone(struct mlx4_zone_entry *zone, int count,
+                                 int align, u32 skip_mask, u32 *puid)
+ {
+-      u32 uid;
++      u32 uid = 0;
+       u32 res;
+       struct mlx4_zone_allocator *zone_alloc = zone->allocator;
+       struct mlx4_zone_entry *curr_node;
+diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h 
b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+index c68da1986e51..aaeb446bba62 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
++++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+@@ -541,8 +541,8 @@ struct slave_list {
+ struct resource_allocator {
+       spinlock_t alloc_lock; /* protect quotas */
+       union {
+-              int res_reserved;
+-              int res_port_rsvd[MLX4_MAX_PORTS];
++              unsigned int res_reserved;
++              unsigned int res_port_rsvd[MLX4_MAX_PORTS];
+       };
+       union {
+               int res_free;
+diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c 
b/drivers/net/ethernet/mellanox/mlx4/mr.c
+index c7c0764991c9..20043f82c1d8 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
++++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
+@@ -363,6 +363,7 @@ int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct 
mlx4_mr *mmr,
+                       container_of((void *)mpt_entry, struct mlx4_cmd_mailbox,
+                                    buf);
+ 
++              (*mpt_entry)->lkey = 0;
+               err = mlx4_SW2HW_MPT(dev, mailbox, key);
+       }
+ 
+diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c 
b/drivers/net/ethernet/qlogic/qed/qed_dev.c
+index ef2374699726..16953c4ebd71 100644
+--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
++++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
+@@ -440,8 +440,16 @@ static u16 *qed_init_qm_get_idx_from_flags(struct 
qed_hwfn *p_hwfn,
+       struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+ 
+       /* Can't have multiple flags set here */
+-      if (bitmap_weight((unsigned long *)&pq_flags, sizeof(pq_flags)) > 1)
++      if (bitmap_weight((unsigned long *)&pq_flags,
++                        sizeof(pq_flags) * BITS_PER_BYTE) > 1) {
++              DP_ERR(p_hwfn, "requested multiple pq flags 0x%x\n", pq_flags);
+               goto err;
++      }
++
++      if (!(qed_get_pq_flags(p_hwfn) & pq_flags)) {
++              DP_ERR(p_hwfn, "pq flag 0x%x is not set\n", pq_flags);
++              goto err;
++      }
+ 
+       switch (pq_flags) {
+       case PQ_FLAGS_RLS:
+@@ -465,8 +473,7 @@ static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn 
*p_hwfn,
+       }
+ 
+ err:
+-      DP_ERR(p_hwfn, "BAD pq flags %d\n", pq_flags);
+-      return NULL;
++      return &qm_info->start_pq;
+ }
+ 
+ /* save pq index in qm info */
+@@ -490,20 +497,32 @@ u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 
tc)
+ {
+       u8 max_tc = qed_init_qm_get_num_tcs(p_hwfn);
+ 
++      if (max_tc == 0) {
++              DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
++                     PQ_FLAGS_MCOS);
++              return p_hwfn->qm_info.start_pq;
++      }
++
+       if (tc > max_tc)
+               DP_ERR(p_hwfn, "tc %d must be smaller than %d\n", tc, max_tc);
+ 
+-      return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + tc;
++      return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + (tc % max_tc);
+ }
+ 
+ u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf)
+ {
+       u16 max_vf = qed_init_qm_get_num_vfs(p_hwfn);
+ 
++      if (max_vf == 0) {
++              DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
++                     PQ_FLAGS_VFS);
++              return p_hwfn->qm_info.start_pq;
++      }
++
+       if (vf > max_vf)
+               DP_ERR(p_hwfn, "vf %d must be smaller than %d\n", vf, max_vf);
+ 
+-      return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + vf;
++      return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + (vf % max_vf);
+ }
+ 
+ u16 qed_get_cm_pq_idx_rl(struct qed_hwfn *p_hwfn, u8 rl)
+diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c 
b/drivers/net/ethernet/qlogic/qed/qed_int.c
+index 719cdbfe1695..7746417130bd 100644
+--- a/drivers/net/ethernet/qlogic/qed/qed_int.c
++++ b/drivers/net/ethernet/qlogic/qed/qed_int.c
+@@ -992,6 +992,8 @@ static int qed_int_attentions(struct qed_hwfn *p_hwfn)
+        */
+       do {
+               index = p_sb_attn->sb_index;
++              /* finish reading index before the loop condition */
++              dma_rmb();
+               attn_bits = le32_to_cpu(p_sb_attn->atten_bits);
+               attn_acks = le32_to_cpu(p_sb_attn->atten_ack);
+       } while (index != p_sb_attn->sb_index);
+diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c 
b/drivers/net/ethernet/qlogic/qed/qed_main.c
+index 954f7ce4cf28..ecc2d4296526 100644
+--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
++++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
+@@ -1561,9 +1561,9 @@ static int qed_drain(struct qed_dev *cdev)
+                       return -EBUSY;
+               }
+               rc = qed_mcp_drain(hwfn, ptt);
++              qed_ptt_release(hwfn, ptt);
+               if (rc)
+                       return rc;
+-              qed_ptt_release(hwfn, ptt);
+       }
+ 
+       return 0;
+diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
+index 817451a1efd6..bd455a6cc82c 100644
+--- a/drivers/net/team/team.c
++++ b/drivers/net/team/team.c
+@@ -989,8 +989,6 @@ static void team_port_disable(struct team *team,
+       team->en_port_count--;
+       team_queue_override_port_del(team, port);
+       team_adjust_ops(team);
+-      team_notify_peers(team);
+-      team_mcast_rejoin(team);
+       team_lower_state_changed(port);
+ }
+ 
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c
+index e7584b842dce..eb5db94f5745 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c
+@@ -193,6 +193,9 @@ static void brcmu_d11ac_decchspec(struct brcmu_chan *ch)
+               }
+               break;
+       case BRCMU_CHSPEC_D11AC_BW_160:
++              ch->bw = BRCMU_CHAN_BW_160;
++              ch->sb = brcmu_maskget16(ch->chspec, BRCMU_CHSPEC_D11AC_SB_MASK,
++                                       BRCMU_CHSPEC_D11AC_SB_SHIFT);
+               switch (ch->sb) {
+               case BRCMU_CHAN_SB_LLL:
+                       ch->control_ch_num -= CH_70MHZ_APART;
+diff --git a/drivers/net/wireless/mac80211_hwsim.c 
b/drivers/net/wireless/mac80211_hwsim.c
+index 477f9f2f6626..670224be3c8b 100644
+--- a/drivers/net/wireless/mac80211_hwsim.c
++++ b/drivers/net/wireless/mac80211_hwsim.c
+@@ -2698,6 +2698,10 @@ static int mac80211_hwsim_new_radio(struct genl_info 
*info,
+ 
+       wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+ 
++      tasklet_hrtimer_init(&data->beacon_timer,
++                           mac80211_hwsim_beacon,
++                           CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
++
+       err = ieee80211_register_hw(hw);
+       if (err < 0) {
+               printk(KERN_DEBUG "mac80211_hwsim: ieee80211_register_hw failed 
(%d)\n",
+@@ -2722,10 +2726,6 @@ static int mac80211_hwsim_new_radio(struct genl_info 
*info,
+                                   data->debugfs,
+                                   data, &hwsim_simulate_radar);
+ 
+-      tasklet_hrtimer_init(&data->beacon_timer,
+-                           mac80211_hwsim_beacon,
+-                           CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
+-
+       spin_lock_bh(&hwsim_radio_lock);
+       list_add_tail(&data->list, &hwsim_radios);
+       spin_unlock_bh(&hwsim_radio_lock);
+diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h
+index 86bc19ae30da..f7b0c39ac339 100644
+--- a/drivers/nvdimm/nd-core.h
++++ b/drivers/nvdimm/nd-core.h
+@@ -105,6 +105,8 @@ resource_size_t nd_pmem_available_dpa(struct nd_region 
*nd_region,
+               struct nd_mapping *nd_mapping, resource_size_t *overlap);
+ resource_size_t nd_blk_available_dpa(struct nd_region *nd_region);
+ resource_size_t nd_region_available_dpa(struct nd_region *nd_region);
++int nd_region_conflict(struct nd_region *nd_region, resource_size_t start,
++              resource_size_t size);
+ resource_size_t nvdimm_allocated_dpa(struct nvdimm_drvdata *ndd,
+               struct nd_label_id *label_id);
+ int alias_dpa_busy(struct device *dev, void *data);
+diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
+index 2adada1a5855..6d38191ff0da 100644
+--- a/drivers/nvdimm/pfn_devs.c
++++ b/drivers/nvdimm/pfn_devs.c
+@@ -589,14 +589,47 @@ static u64 phys_pmem_align_down(struct nd_pfn *nd_pfn, 
u64 phys)
+                       ALIGN_DOWN(phys, nd_pfn->align));
+ }
+ 
++/*
++ * Check if pmem collides with 'System RAM', or other regions when
++ * section aligned.  Trim it accordingly.
++ */
++static void trim_pfn_device(struct nd_pfn *nd_pfn, u32 *start_pad, u32 
*end_trunc)
++{
++      struct nd_namespace_common *ndns = nd_pfn->ndns;
++      struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev);
++      struct nd_region *nd_region = to_nd_region(nd_pfn->dev.parent);
++      const resource_size_t start = nsio->res.start;
++      const resource_size_t end = start + resource_size(&nsio->res);
++      resource_size_t adjust, size;
++
++      *start_pad = 0;
++      *end_trunc = 0;
++
++      adjust = start - PHYS_SECTION_ALIGN_DOWN(start);
++      size = resource_size(&nsio->res) + adjust;
++      if (region_intersects(start - adjust, size, IORESOURCE_SYSTEM_RAM,
++                              IORES_DESC_NONE) == REGION_MIXED
++                      || nd_region_conflict(nd_region, start - adjust, size))
++              *start_pad = PHYS_SECTION_ALIGN_UP(start) - start;
++
++      /* Now check that end of the range does not collide. */
++      adjust = PHYS_SECTION_ALIGN_UP(end) - end;
++      size = resource_size(&nsio->res) + adjust;
++      if (region_intersects(start, size, IORESOURCE_SYSTEM_RAM,
++                              IORES_DESC_NONE) == REGION_MIXED
++                      || !IS_ALIGNED(end, nd_pfn->align)
++                      || nd_region_conflict(nd_region, start, size + adjust))
++              *end_trunc = end - phys_pmem_align_down(nd_pfn, end);
++}
++
+ static int nd_pfn_init(struct nd_pfn *nd_pfn)
+ {
+       u32 dax_label_reserve = is_nd_dax(&nd_pfn->dev) ? SZ_128K : 0;
+       struct nd_namespace_common *ndns = nd_pfn->ndns;
+-      u32 start_pad = 0, end_trunc = 0;
++      struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev);
+       resource_size_t start, size;
+-      struct nd_namespace_io *nsio;
+       struct nd_region *nd_region;
++      u32 start_pad, end_trunc;
+       struct nd_pfn_sb *pfn_sb;
+       unsigned long npfns;
+       phys_addr_t offset;
+@@ -628,30 +661,7 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn)
+ 
+       memset(pfn_sb, 0, sizeof(*pfn_sb));
+ 
+-      /*
+-       * Check if pmem collides with 'System RAM' when section aligned and
+-       * trim it accordingly
+-       */
+-      nsio = to_nd_namespace_io(&ndns->dev);
+-      start = PHYS_SECTION_ALIGN_DOWN(nsio->res.start);
+-      size = resource_size(&nsio->res);
+-      if (region_intersects(start, size, IORESOURCE_SYSTEM_RAM,
+-                              IORES_DESC_NONE) == REGION_MIXED) {
+-              start = nsio->res.start;
+-              start_pad = PHYS_SECTION_ALIGN_UP(start) - start;
+-      }
+-
+-      start = nsio->res.start;
+-      size = PHYS_SECTION_ALIGN_UP(start + size) - start;
+-      if (region_intersects(start, size, IORESOURCE_SYSTEM_RAM,
+-                              IORES_DESC_NONE) == REGION_MIXED
+-                      || !IS_ALIGNED(start + resource_size(&nsio->res),
+-                              nd_pfn->align)) {
+-              size = resource_size(&nsio->res);
+-              end_trunc = start + size - phys_pmem_align_down(nd_pfn,
+-                              start + size);
+-      }
+-
++      trim_pfn_device(nd_pfn, &start_pad, &end_trunc);
+       if (start_pad + end_trunc)
+               dev_info(&nd_pfn->dev, "%s alignment collision, truncate %d 
bytes\n",
+                               dev_name(&ndns->dev), start_pad + end_trunc);
+@@ -662,7 +672,7 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn)
+        * implementation will limit the pfns advertised through
+        * ->direct_access() to those that are included in the memmap.
+        */
+-      start += start_pad;
++      start = nsio->res.start + start_pad;
+       size = resource_size(&nsio->res);
+       npfns = PFN_SECTION_ALIGN_UP((size - start_pad - end_trunc - SZ_8K)
+                       / PAGE_SIZE);
+diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
+index 050deb56ee62..708043d20d0d 100644
+--- a/drivers/nvdimm/region_devs.c
++++ b/drivers/nvdimm/region_devs.c
+@@ -1112,6 +1112,47 @@ int nvdimm_has_cache(struct nd_region *nd_region)
+ }
+ EXPORT_SYMBOL_GPL(nvdimm_has_cache);
+ 
++struct conflict_context {
++      struct nd_region *nd_region;
++      resource_size_t start, size;
++};
++
++static int region_conflict(struct device *dev, void *data)
++{
++      struct nd_region *nd_region;
++      struct conflict_context *ctx = data;
++      resource_size_t res_end, region_end, region_start;
++
++      if (!is_memory(dev))
++              return 0;
++
++      nd_region = to_nd_region(dev);
++      if (nd_region == ctx->nd_region)
++              return 0;
++
++      res_end = ctx->start + ctx->size;
++      region_start = nd_region->ndr_start;
++      region_end = region_start + nd_region->ndr_size;
++      if (ctx->start >= region_start && ctx->start < region_end)
++              return -EBUSY;
++      if (res_end > region_start && res_end <= region_end)
++              return -EBUSY;
++      return 0;
++}
++
++int nd_region_conflict(struct nd_region *nd_region, resource_size_t start,
++              resource_size_t size)
++{
++      struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(&nd_region->dev);
++      struct conflict_context ctx = {
++              .nd_region = nd_region,
++              .start = start,
++              .size = size,
++      };
++
++      return device_for_each_child(&nvdimm_bus->dev, &ctx, region_conflict);
++}
++
+ void __exit nd_region_devs_exit(void)
+ {
+       ida_destroy(&region_ida);
+diff --git a/drivers/s390/virtio/virtio_ccw.c 
b/drivers/s390/virtio/virtio_ccw.c
+index b18fe2014cf2..0847d05e138b 100644
+--- a/drivers/s390/virtio/virtio_ccw.c
++++ b/drivers/s390/virtio/virtio_ccw.c
+@@ -59,6 +59,7 @@ struct virtio_ccw_device {
+       unsigned int revision; /* Transport revision */
+       wait_queue_head_t wait_q;
+       spinlock_t lock;
++      struct mutex io_lock; /* Serializes I/O requests */
+       struct list_head virtqueues;
+       unsigned long indicators;
+       unsigned long indicators2;
+@@ -299,6 +300,7 @@ static int ccw_io_helper(struct virtio_ccw_device *vcdev,
+       unsigned long flags;
+       int flag = intparm & VIRTIO_CCW_INTPARM_MASK;
+ 
++      mutex_lock(&vcdev->io_lock);
+       do {
+               spin_lock_irqsave(get_ccwdev_lock(vcdev->cdev), flags);
+               ret = ccw_device_start(vcdev->cdev, ccw, intparm, 0, 0);
+@@ -311,7 +313,9 @@ static int ccw_io_helper(struct virtio_ccw_device *vcdev,
+               cpu_relax();
+       } while (ret == -EBUSY);
+       wait_event(vcdev->wait_q, doing_io(vcdev, flag) == 0);
+-      return ret ? ret : vcdev->err;
++      ret = ret ? ret : vcdev->err;
++      mutex_unlock(&vcdev->io_lock);
++      return ret;
+ }
+ 
+ static void virtio_ccw_drop_indicator(struct virtio_ccw_device *vcdev,
+@@ -831,6 +835,7 @@ static void virtio_ccw_get_config(struct virtio_device 
*vdev,
+       int ret;
+       struct ccw1 *ccw;
+       void *config_area;
++      unsigned long flags;
+ 
+       ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL);
+       if (!ccw)
+@@ -849,11 +854,13 @@ static void virtio_ccw_get_config(struct virtio_device 
*vdev,
+       if (ret)
+               goto out_free;
+ 
++      spin_lock_irqsave(&vcdev->lock, flags);
+       memcpy(vcdev->config, config_area, offset + len);
+-      if (buf)
+-              memcpy(buf, &vcdev->config[offset], len);
+       if (vcdev->config_ready < offset + len)
+               vcdev->config_ready = offset + len;
++      spin_unlock_irqrestore(&vcdev->lock, flags);
++      if (buf)
++              memcpy(buf, config_area + offset, len);
+ 
+ out_free:
+       kfree(config_area);
+@@ -867,6 +874,7 @@ static void virtio_ccw_set_config(struct virtio_device 
*vdev,
+       struct virtio_ccw_device *vcdev = to_vc_device(vdev);
+       struct ccw1 *ccw;
+       void *config_area;
++      unsigned long flags;
+ 
+       ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL);
+       if (!ccw)
+@@ -879,9 +887,11 @@ static void virtio_ccw_set_config(struct virtio_device 
*vdev,
+       /* Make sure we don't overwrite fields. */
+       if (vcdev->config_ready < offset)
+               virtio_ccw_get_config(vdev, 0, NULL, offset);
++      spin_lock_irqsave(&vcdev->lock, flags);
+       memcpy(&vcdev->config[offset], buf, len);
+       /* Write the config area to the host. */
+       memcpy(config_area, vcdev->config, sizeof(vcdev->config));
++      spin_unlock_irqrestore(&vcdev->lock, flags);
+       ccw->cmd_code = CCW_CMD_WRITE_CONF;
+       ccw->flags = 0;
+       ccw->count = offset + len;
+@@ -1250,6 +1260,7 @@ static int virtio_ccw_online(struct ccw_device *cdev)
+       init_waitqueue_head(&vcdev->wait_q);
+       INIT_LIST_HEAD(&vcdev->virtqueues);
+       spin_lock_init(&vcdev->lock);
++      mutex_init(&vcdev->io_lock);
+ 
+       spin_lock_irqsave(get_ccwdev_lock(cdev), flags);
+       dev_set_drvdata(&cdev->dev, vcdev);
+diff --git a/drivers/staging/lustre/lnet/lnet/config.c 
b/drivers/staging/lustre/lnet/lnet/config.c
+index 26841a7b6213..99b400c4190f 100644
+--- a/drivers/staging/lustre/lnet/lnet/config.c
++++ b/drivers/staging/lustre/lnet/lnet/config.c
+@@ -354,8 +354,7 @@ lnet_parse_networks(struct list_head *nilist, char 
*networks)
+                               CERROR("Can't allocate net interface name\n");
+                               goto failed;
+                       }
+-                      strncpy(ni->ni_interfaces[niface], iface,
+-                              strlen(iface));
++                      strcpy(ni->ni_interfaces[niface], iface);
+                       niface++;
+                       iface = comma;
+               } while (iface);
+diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c 
b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
+index c2aadb2d1fea..fa46fe9e1bd9 100644
+--- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c
++++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
+@@ -645,7 +645,7 @@ repeat_fid2path:
+               memmove(ptr + strlen(gf->gf_path) + 1, ptr,
+                       strlen(ori_gf->gf_path));
+ 
+-              strncpy(ptr, gf->gf_path, strlen(gf->gf_path));
++              strcpy(ptr, gf->gf_path);
+               ptr += strlen(gf->gf_path);
+               *ptr = '/';
+       }
+diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/debug/src/ia_css_debug.c
 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/debug/src/ia_css_debug.c
+index 0fa7cb2423d8..0320c089f688 100644
+--- 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/debug/src/ia_css_debug.c
++++ 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/debug/src/ia_css_debug.c
+@@ -2860,9 +2860,7 @@ ia_css_debug_pipe_graph_dump_stage(
+                       if (l <= ENABLE_LINE_MAX_LENGTH) {
+                               /* It fits on one line, copy string and init */
+                               /* other helper strings with empty string */
+-                              strcpy_s(enable_info,
+-                                      sizeof(enable_info),
+-                                      ei);
++                              strscpy(enable_info, ei, sizeof(enable_info));
+                       } else {
+                               /* Too big for one line, find last comma */
+                               p = ENABLE_LINE_MAX_LENGTH;
+diff --git a/drivers/staging/rtl8712/mlme_linux.c 
b/drivers/staging/rtl8712/mlme_linux.c
+index a077069d6227..7e367452c339 100644
+--- a/drivers/staging/rtl8712/mlme_linux.c
++++ b/drivers/staging/rtl8712/mlme_linux.c
+@@ -158,7 +158,7 @@ void r8712_report_sec_ie(struct _adapter *adapter, u8 
authmode, u8 *sec_ie)
+               p = buff;
+               p += sprintf(p, "ASSOCINFO(ReqIEs=");
+               len = sec_ie[1] + 2;
+-              len =  (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX - 1;
++              len =  (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
+               for (i = 0; i < len; i++)
+                       p += sprintf(p, "%02x", sec_ie[i]);
+               p += sprintf(p, ")");
+diff --git a/drivers/staging/rtl8712/rtl871x_mlme.c 
b/drivers/staging/rtl8712/rtl871x_mlme.c
+index bf1ac22bae1c..98c7e8b229d1 100644
+--- a/drivers/staging/rtl8712/rtl871x_mlme.c
++++ b/drivers/staging/rtl8712/rtl871x_mlme.c
+@@ -1361,7 +1361,7 @@ sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 
*in_ie,
+                    u8 *out_ie, uint in_len)
+ {
+       u8 authmode = 0, match;
+-      u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
++      u8 sec_ie[IW_CUSTOM_MAX], uncst_oui[4], bkup_ie[255];
+       u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
+       uint ielength, cnt, remove_cnt;
+       int iEntry;
+diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c 
b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+index b6d137f505e1..111752f0bc27 100644
+--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
++++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+@@ -1574,7 +1574,7 @@ unsigned int OnAssocReq(struct adapter *padapter, union 
recv_frame *precv_frame)
+       if (pstat->aid > 0) {
+               DBG_871X("  old AID %d\n", pstat->aid);
+       } else {
+-              for (pstat->aid = 1; pstat->aid < NUM_STA; pstat->aid++)
++              for (pstat->aid = 1; pstat->aid <= NUM_STA; pstat->aid++)
+                       if (pstapriv->sta_aid[pstat->aid - 1] == NULL)
+                               break;
+ 
+diff --git a/drivers/tty/serial/8250/8250_mtk.c 
b/drivers/tty/serial/8250/8250_mtk.c
+index fb45770d47aa..fa909fa3c4cd 100644
+--- a/drivers/tty/serial/8250/8250_mtk.c
++++ b/drivers/tty/serial/8250/8250_mtk.c
+@@ -222,17 +222,17 @@ static int mtk8250_probe(struct platform_device *pdev)
+ 
+       platform_set_drvdata(pdev, data);
+ 
+-      pm_runtime_enable(&pdev->dev);
+-      if (!pm_runtime_enabled(&pdev->dev)) {
+-              err = mtk8250_runtime_resume(&pdev->dev);
+-              if (err)
+-                      return err;
+-      }
++      err = mtk8250_runtime_resume(&pdev->dev);
++      if (err)
++              return err;
+ 
+       data->line = serial8250_register_8250_port(&uart);
+       if (data->line < 0)
+               return data->line;
+ 
++      pm_runtime_set_active(&pdev->dev);
++      pm_runtime_enable(&pdev->dev);
++
+       return 0;
+ }
+ 
+@@ -243,13 +243,11 @@ static int mtk8250_remove(struct platform_device *pdev)
+       pm_runtime_get_sync(&pdev->dev);
+ 
+       serial8250_unregister_port(data->line);
++      mtk8250_runtime_suspend(&pdev->dev);
+ 
+       pm_runtime_disable(&pdev->dev);
+       pm_runtime_put_noidle(&pdev->dev);
+ 
+-      if (!pm_runtime_status_suspended(&pdev->dev))
+-              mtk8250_runtime_suspend(&pdev->dev);
+-
+       return 0;
+ }
+ 
+diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
+index c448225ef5ca..f2b0d8cee8ef 100644
+--- a/drivers/tty/serial/kgdboc.c
++++ b/drivers/tty/serial/kgdboc.c
+@@ -232,7 +232,7 @@ static void kgdboc_put_char(u8 chr)
+ 
+ static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp)
+ {
+-      int len = strlen(kmessage);
++      size_t len = strlen(kmessage);
+ 
+       if (len >= MAX_CONFIG_LEN) {
+               printk(KERN_ERR "kgdboc: config string too long\n");
+@@ -254,7 +254,7 @@ static int param_set_kgdboc_var(const char *kmessage, 
struct kernel_param *kp)
+ 
+       strcpy(config, kmessage);
+       /* Chop out \n char as a result of echo */
+-      if (config[len - 1] == '\n')
++      if (len && config[len - 1] == '\n')
+               config[len - 1] = '\0';
+ 
+       if (configured == 1)
+diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
+index 6b137194069f..c93a33701d32 100644
+--- a/drivers/tty/tty_port.c
++++ b/drivers/tty/tty_port.c
+@@ -639,7 +639,8 @@ void tty_port_close(struct tty_port *port, struct 
tty_struct *tty,
+       if (tty_port_close_start(port, tty, filp) == 0)
+               return;
+       tty_port_shutdown(port, tty);
+-      set_bit(TTY_IO_ERROR, &tty->flags);
++      if (!port->console)
++              set_bit(TTY_IO_ERROR, &tty->flags);
+       tty_port_close_end(port, tty);
+       tty_port_tty_set(port, NULL);
+ }
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index 638dc6f66d70..a073cb5be013 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -2231,7 +2231,7 @@ static int usb_enumerate_device_otg(struct usb_device 
*udev)
+               /* descriptor may appear anywhere in config */
+               err = __usb_get_extra_descriptor(udev->rawdescriptors[0],
+                               le16_to_cpu(udev->config[0].desc.wTotalLength),
+-                              USB_DT_OTG, (void **) &desc);
++                              USB_DT_OTG, (void **) &desc, sizeof(*desc));
+               if (err || !(desc->bmAttributes & USB_OTG_HNP))
+                       return 0;
+ 
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
+index 808437c5ec49..cf378b1ed373 100644
+--- a/drivers/usb/core/quirks.c
++++ b/drivers/usb/core/quirks.c
+@@ -188,6 +188,10 @@ static const struct usb_device_id usb_quirk_list[] = {
+       /* Midiman M-Audio Keystation 88es */
+       { USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME },
+ 
++      /* SanDisk Ultra Fit and Ultra Flair */
++      { USB_DEVICE(0x0781, 0x5583), .driver_info = USB_QUIRK_NO_LPM },
++      { USB_DEVICE(0x0781, 0x5591), .driver_info = USB_QUIRK_NO_LPM },
++
+       /* M-Systems Flash Disk Pioneers */
+       { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
+ 
+diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
+index f8b50eaf6d1e..7a4e3da549fe 100644
+--- a/drivers/usb/core/usb.c
++++ b/drivers/usb/core/usb.c
+@@ -833,14 +833,14 @@ EXPORT_SYMBOL_GPL(usb_get_current_frame_number);
+  */
+ 
+ int __usb_get_extra_descriptor(char *buffer, unsigned size,
+-                             unsigned char type, void **ptr)
++                             unsigned char type, void **ptr, size_t minsize)
+ {
+       struct usb_descriptor_header *header;
+ 
+       while (size >= sizeof(struct usb_descriptor_header)) {
+               header = (struct usb_descriptor_header *)buffer;
+ 
+-              if (header->bLength < 2) {
++              if (header->bLength < 2 || header->bLength > size) {
+                       printk(KERN_ERR
+                               "%s: bogus descriptor, type %d length %d\n",
+                               usbcore_name,
+@@ -849,7 +849,7 @@ int __usb_get_extra_descriptor(char *buffer, unsigned size,
+                       return -1;
+               }
+ 
+-              if (header->bDescriptorType == type) {
++              if (header->bDescriptorType == type && header->bLength >= 
minsize) {
+                       *ptr = header;
+                       return 0;
+               }
+diff --git a/drivers/usb/gadget/function/f_fs.c 
b/drivers/usb/gadget/function/f_fs.c
+index 17467545391b..52e6897fa35a 100644
+--- a/drivers/usb/gadget/function/f_fs.c
++++ b/drivers/usb/gadget/function/f_fs.c
+@@ -219,7 +219,6 @@ struct ffs_io_data {
+ 
+       struct mm_struct *mm;
+       struct work_struct work;
+-      struct work_struct cancellation_work;
+ 
+       struct usb_ep *ep;
+       struct usb_request *req;
+@@ -1074,31 +1073,22 @@ ffs_epfile_open(struct inode *inode, struct file *file)
+       return 0;
+ }
+ 
+-static void ffs_aio_cancel_worker(struct work_struct *work)
+-{
+-      struct ffs_io_data *io_data = container_of(work, struct ffs_io_data,
+-                                                 cancellation_work);
+-
+-      ENTER();
+-
+-      usb_ep_dequeue(io_data->ep, io_data->req);
+-}
+-
+ static int ffs_aio_cancel(struct kiocb *kiocb)
+ {
+       struct ffs_io_data *io_data = kiocb->private;
+-      struct ffs_data *ffs = io_data->ffs;
++      struct ffs_epfile *epfile = kiocb->ki_filp->private_data;
+       int value;
+ 
+       ENTER();
+ 
+-      if (likely(io_data && io_data->ep && io_data->req)) {
+-              INIT_WORK(&io_data->cancellation_work, ffs_aio_cancel_worker);
+-              queue_work(ffs->io_completion_wq, &io_data->cancellation_work);
+-              value = -EINPROGRESS;
+-      } else {
++      spin_lock_irq(&epfile->ffs->eps_lock);
++
++      if (likely(io_data && io_data->ep && io_data->req))
++              value = usb_ep_dequeue(io_data->ep, io_data->req);
++      else
+               value = -EINVAL;
+-      }
++
++      spin_unlock_irq(&epfile->ffs->eps_lock);
+ 
+       return value;
+ }
+diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c
+index da3b18038d23..216069c396a0 100644
+--- a/drivers/usb/host/hwa-hc.c
++++ b/drivers/usb/host/hwa-hc.c
+@@ -654,7 +654,7 @@ static int hwahc_security_create(struct hwahc *hwahc)
+       top = itr + itr_size;
+       result = __usb_get_extra_descriptor(usb_dev->rawdescriptors[index],
+                       le16_to_cpu(usb_dev->actconfig->desc.wTotalLength),
+-                      USB_DT_SECURITY, (void **) &secd);
++                      USB_DT_SECURITY, (void **) &secd, sizeof(*secd));
+       if (result == -1) {
+               dev_warn(dev, "BUG? WUSB host has no security descriptors\n");
+               return 0;
+diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
+index 4b07b6859b4c..0fbc549cc55c 100644
+--- a/drivers/usb/host/xhci-pci.c
++++ b/drivers/usb/host/xhci-pci.c
+@@ -144,6 +144,10 @@ static void xhci_pci_quirks(struct device *dev, struct 
xhci_hcd *xhci)
+                pdev->device == 0x43bb))
+               xhci->quirks |= XHCI_SUSPEND_DELAY;
+ 
++      if (pdev->vendor == PCI_VENDOR_ID_AMD &&
++          (pdev->device == 0x15e0 || pdev->device == 0x15e1))
++              xhci->quirks |= XHCI_SNPS_BROKEN_SUSPEND;
++
+       if (pdev->vendor == PCI_VENDOR_ID_AMD)
+               xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+ 
+diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
+index faf048682194..930eecd86429 100644
+--- a/drivers/usb/host/xhci.c
++++ b/drivers/usb/host/xhci.c
+@@ -918,6 +918,7 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
+       unsigned int            delay = XHCI_MAX_HALT_USEC;
+       struct usb_hcd          *hcd = xhci_to_hcd(xhci);
+       u32                     command;
++      u32                     res;
+ 
+       if (!hcd->state)
+               return 0;
+@@ -969,11 +970,28 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
+       command = readl(&xhci->op_regs->command);
+       command |= CMD_CSS;
+       writel(command, &xhci->op_regs->command);
++      xhci->broken_suspend = 0;
+       if (xhci_handshake(&xhci->op_regs->status,
+                               STS_SAVE, 0, 10 * 1000)) {
+-              xhci_warn(xhci, "WARN: xHC save state timeout\n");
+-              spin_unlock_irq(&xhci->lock);
+-              return -ETIMEDOUT;
++      /*
++       * AMD SNPS xHC 3.0 occasionally does not clear the
++       * SSS bit of USBSTS and when driver tries to poll
++       * to see if the xHC clears BIT(8) which never happens
++       * and driver assumes that controller is not responding
++       * and times out. To workaround this, its good to check
++       * if SRE and HCE bits are not set (as per xhci
++       * Section 5.4.2) and bypass the timeout.
++       */
++              res = readl(&xhci->op_regs->status);
++              if ((xhci->quirks & XHCI_SNPS_BROKEN_SUSPEND) &&
++                  (((res & STS_SRE) == 0) &&
++                              ((res & STS_HCE) == 0))) {
++                      xhci->broken_suspend = 1;
++              } else {
++                      xhci_warn(xhci, "WARN: xHC save state timeout\n");
++                      spin_unlock_irq(&xhci->lock);
++                      return -ETIMEDOUT;
++              }
+       }
+       spin_unlock_irq(&xhci->lock);
+ 
+@@ -1026,7 +1044,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
+       set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
+ 
+       spin_lock_irq(&xhci->lock);
+-      if (xhci->quirks & XHCI_RESET_ON_RESUME)
++      if ((xhci->quirks & XHCI_RESET_ON_RESUME) || xhci->broken_suspend)
+               hibernated = true;
+ 
+       if (!hibernated) {
+@@ -4363,6 +4381,14 @@ static u16 xhci_calculate_u1_timeout(struct xhci_hcd 
*xhci,
+ {
+       unsigned long long timeout_ns;
+ 
++      /* Prevent U1 if service interval is shorter than U1 exit latency */
++      if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
++              if (xhci_service_interval_to_ns(desc) <= udev->u1_params.mel) {
++                      dev_dbg(&udev->dev, "Disable U1, ESIT shorter than exit 
latency\n");
++                      return USB3_LPM_DISABLED;
++              }
++      }
++
+       if (xhci->quirks & XHCI_INTEL_HOST)
+               timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc);
+       else
+@@ -4419,6 +4445,14 @@ static u16 xhci_calculate_u2_timeout(struct xhci_hcd 
*xhci,
+ {
+       unsigned long long timeout_ns;
+ 
++      /* Prevent U2 if service interval is shorter than U2 exit latency */
++      if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
++              if (xhci_service_interval_to_ns(desc) <= udev->u2_params.mel) {
++                      dev_dbg(&udev->dev, "Disable U2, ESIT shorter than exit 
latency\n");
++                      return USB3_LPM_DISABLED;
++              }
++      }
++
+       if (xhci->quirks & XHCI_INTEL_HOST)
+               timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc);
+       else
+diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
+index 74ba20556020..1ccff2d9dee9 100644
+--- a/drivers/usb/host/xhci.h
++++ b/drivers/usb/host/xhci.h
+@@ -1839,6 +1839,7 @@ struct xhci_hcd {
+ #define XHCI_SUSPEND_DELAY    BIT_ULL(30)
+ #define XHCI_INTEL_USB_ROLE_SW        BIT_ULL(31)
+ #define XHCI_RESET_PLL_ON_DISCONNECT  BIT_ULL(34)
++#define XHCI_SNPS_BROKEN_SUSPEND    BIT_ULL(35)
+ 
+       unsigned int            num_active_eps;
+       unsigned int            limit_active_eps;
+@@ -1870,6 +1871,8 @@ struct xhci_hcd {
+ 
+       /* platform-specific data -- must come last */
+       unsigned long           priv[0] __aligned(sizeof(s64));
++      /* Broken Suspend flag for SNPS Suspend resume issue */
++      u8                      broken_suspend;
+ };
+ 
+ /* Platform specific overrides to generic XHCI hc_driver ops */
+diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
+index 288fe3e69d52..03be7c75c5be 100644
+--- a/drivers/usb/misc/appledisplay.c
++++ b/drivers/usb/misc/appledisplay.c
+@@ -64,6 +64,7 @@ static const struct usb_device_id appledisplay_table[] = {
+       { APPLEDISPLAY_DEVICE(0x921c) },
+       { APPLEDISPLAY_DEVICE(0x921d) },
+       { APPLEDISPLAY_DEVICE(0x9222) },
++      { APPLEDISPLAY_DEVICE(0x9226) },
+       { APPLEDISPLAY_DEVICE(0x9236) },
+ 
+       /* Terminating entry */
+diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
+index c9de9c41aa97..b044a0800805 100644
+--- a/drivers/vhost/vsock.c
++++ b/drivers/vhost/vsock.c
+@@ -15,6 +15,7 @@
+ #include <net/sock.h>
+ #include <linux/virtio_vsock.h>
+ #include <linux/vhost.h>
++#include <linux/hashtable.h>
+ 
+ #include <net/af_vsock.h>
+ #include "vhost.h"
+@@ -27,14 +28,14 @@ enum {
+ 
+ /* Used to track all the vhost_vsock instances on the system. */
+ static DEFINE_SPINLOCK(vhost_vsock_lock);
+-static LIST_HEAD(vhost_vsock_list);
++static DEFINE_READ_MOSTLY_HASHTABLE(vhost_vsock_hash, 8);
+ 
+ struct vhost_vsock {
+       struct vhost_dev dev;
+       struct vhost_virtqueue vqs[2];
+ 
+-      /* Link to global vhost_vsock_list, protected by vhost_vsock_lock */
+-      struct list_head list;
++      /* Link to global vhost_vsock_hash, writes use vhost_vsock_lock */
++      struct hlist_node hash;
+ 
+       struct vhost_work send_pkt_work;
+       spinlock_t send_pkt_list_lock;
+@@ -50,11 +51,14 @@ static u32 vhost_transport_get_local_cid(void)
+       return VHOST_VSOCK_DEFAULT_HOST_CID;
+ }
+ 
+-static struct vhost_vsock *__vhost_vsock_get(u32 guest_cid)
++/* Callers that dereference the return value must hold vhost_vsock_lock or the
++ * RCU read lock.
++ */
++static struct vhost_vsock *vhost_vsock_get(u32 guest_cid)
+ {
+       struct vhost_vsock *vsock;
+ 
+-      list_for_each_entry(vsock, &vhost_vsock_list, list) {
++      hash_for_each_possible_rcu(vhost_vsock_hash, vsock, hash, guest_cid) {
+               u32 other_cid = vsock->guest_cid;
+ 
+               /* Skip instances that have no CID yet */
+@@ -69,17 +73,6 @@ static struct vhost_vsock *__vhost_vsock_get(u32 guest_cid)
+       return NULL;
+ }
+ 
+-static struct vhost_vsock *vhost_vsock_get(u32 guest_cid)
+-{
+-      struct vhost_vsock *vsock;
+-
+-      spin_lock_bh(&vhost_vsock_lock);
+-      vsock = __vhost_vsock_get(guest_cid);
+-      spin_unlock_bh(&vhost_vsock_lock);
+-
+-      return vsock;
+-}
+-
+ static void
+ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
+                           struct vhost_virtqueue *vq)
+@@ -210,9 +203,12 @@ vhost_transport_send_pkt(struct virtio_vsock_pkt *pkt)
+       struct vhost_vsock *vsock;
+       int len = pkt->len;
+ 
++      rcu_read_lock();
++
+       /* Find the vhost_vsock according to guest context id  */
+       vsock = vhost_vsock_get(le64_to_cpu(pkt->hdr.dst_cid));
+       if (!vsock) {
++              rcu_read_unlock();
+               virtio_transport_free_pkt(pkt);
+               return -ENODEV;
+       }
+@@ -225,6 +221,8 @@ vhost_transport_send_pkt(struct virtio_vsock_pkt *pkt)
+       spin_unlock_bh(&vsock->send_pkt_list_lock);
+ 
+       vhost_work_queue(&vsock->dev, &vsock->send_pkt_work);
++
++      rcu_read_unlock();
+       return len;
+ }
+ 
+@@ -234,12 +232,15 @@ vhost_transport_cancel_pkt(struct vsock_sock *vsk)
+       struct vhost_vsock *vsock;
+       struct virtio_vsock_pkt *pkt, *n;
+       int cnt = 0;
++      int ret = -ENODEV;
+       LIST_HEAD(freeme);
+ 
++      rcu_read_lock();
++
+       /* Find the vhost_vsock according to guest context id  */
+       vsock = vhost_vsock_get(vsk->remote_addr.svm_cid);
+       if (!vsock)
+-              return -ENODEV;
++              goto out;
+ 
+       spin_lock_bh(&vsock->send_pkt_list_lock);
+       list_for_each_entry_safe(pkt, n, &vsock->send_pkt_list, list) {
+@@ -265,7 +266,10 @@ vhost_transport_cancel_pkt(struct vsock_sock *vsk)
+                       vhost_poll_queue(&tx_vq->poll);
+       }
+ 
+-      return 0;
++      ret = 0;
++out:
++      rcu_read_unlock();
++      return ret;
+ }
+ 
+ static struct virtio_vsock_pkt *
+@@ -531,10 +535,6 @@ static int vhost_vsock_dev_open(struct inode *inode, 
struct file *file)
+       spin_lock_init(&vsock->send_pkt_list_lock);
+       INIT_LIST_HEAD(&vsock->send_pkt_list);
+       vhost_work_init(&vsock->send_pkt_work, vhost_transport_send_pkt_work);
+-
+-      spin_lock_bh(&vhost_vsock_lock);
+-      list_add_tail(&vsock->list, &vhost_vsock_list);
+-      spin_unlock_bh(&vhost_vsock_lock);
+       return 0;
+ 
+ out:
+@@ -575,9 +575,13 @@ static int vhost_vsock_dev_release(struct inode *inode, 
struct file *file)
+       struct vhost_vsock *vsock = file->private_data;
+ 
+       spin_lock_bh(&vhost_vsock_lock);
+-      list_del(&vsock->list);
++      if (vsock->guest_cid)
++              hash_del_rcu(&vsock->hash);
+       spin_unlock_bh(&vhost_vsock_lock);
+ 
++      /* Wait for other CPUs to finish using vsock */
++      synchronize_rcu();
++
+       /* Iterating over all connections for all CIDs to find orphans is
+        * inefficient.  Room for improvement here. */
+       vsock_for_each_connected_socket(vhost_vsock_reset_orphans);
+@@ -618,12 +622,17 @@ static int vhost_vsock_set_cid(struct vhost_vsock 
*vsock, u64 guest_cid)
+ 
+       /* Refuse if CID is already in use */
+       spin_lock_bh(&vhost_vsock_lock);
+-      other = __vhost_vsock_get(guest_cid);
++      other = vhost_vsock_get(guest_cid);
+       if (other && other != vsock) {
+               spin_unlock_bh(&vhost_vsock_lock);
+               return -EADDRINUSE;
+       }
++
++      if (vsock->guest_cid)
++              hash_del_rcu(&vsock->hash);
++
+       vsock->guest_cid = guest_cid;
++      hash_add_rcu(vhost_vsock_hash, &vsock->hash, guest_cid);
+       spin_unlock_bh(&vhost_vsock_lock);
+ 
+       return 0;
+diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
+index 925844343038..ca98afda3cdb 100644
+--- a/fs/cifs/dir.c
++++ b/fs/cifs/dir.c
+@@ -174,7 +174,7 @@ cifs_bp_rename_retry:
+ 
+               cifs_dbg(FYI, "using cifs_sb prepath <%s>\n", cifs_sb->prepath);
+               memcpy(full_path+dfsplen+1, cifs_sb->prepath, pplen-1);
+-              full_path[dfsplen] = '\\';
++              full_path[dfsplen] = dirsep;
+               for (i = 0; i < pplen-1; i++)
+                       if (full_path[dfsplen+1+i] == '/')
+                               full_path[dfsplen+1+i] = CIFS_DIR_SEP(cifs_sb);
+diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
+index 8f6e7c3a10f8..c68b319b07aa 100644
+--- a/fs/f2fs/data.c
++++ b/fs/f2fs/data.c
+@@ -468,6 +468,9 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, 
block_t blkaddr,
+       struct fscrypt_ctx *ctx = NULL;
+       struct bio *bio;
+ 
++      if (!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC))
++              return ERR_PTR(-EFAULT);
++
+       if (f2fs_encrypted_file(inode)) {
+               ctx = fscrypt_get_ctx(inode, GFP_NOFS);
+               if (IS_ERR(ctx))
+diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
+index 9a40724dbaa6..50818b519df8 100644
+--- a/fs/f2fs/inode.c
++++ b/fs/f2fs/inode.c
+@@ -62,14 +62,16 @@ static void __get_inode_rdev(struct inode *inode, struct 
f2fs_inode *ri)
+       }
+ }
+ 
+-static bool __written_first_block(struct f2fs_sb_info *sbi,
++static int __written_first_block(struct f2fs_sb_info *sbi,
+                                       struct f2fs_inode *ri)
+ {
+       block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]);
+ 
+-      if (is_valid_data_blkaddr(sbi, addr))
+-              return true;
+-      return false;
++      if (!__is_valid_data_blkaddr(addr))
++              return 1;
++      if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC))
++              return -EFAULT;
++      return 0;
+ }
+ 
+ static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
+@@ -253,6 +255,7 @@ static int do_read_inode(struct inode *inode)
+       struct page *node_page;
+       struct f2fs_inode *ri;
+       projid_t i_projid;
++      int err;
+ 
+       /* Check if ino is within scope */
+       if (check_nid_range(sbi, inode->i_ino))
+@@ -307,7 +310,12 @@ static int do_read_inode(struct inode *inode)
+       /* get rdev by using inline_info */
+       __get_inode_rdev(inode, ri);
+ 
+-      if (__written_first_block(sbi, ri))
++      err = __written_first_block(sbi, ri);
++      if (err < 0) {
++              f2fs_put_page(node_page, 1);
++              return err;
++      }
++      if (!err)
+               set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
+ 
+       if (!need_inode_block_update(sbi, inode->i_ino))
+diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c 
b/fs/nfs/flexfilelayout/flexfilelayout.c
+index b0fa83a60754..13612a848378 100644
+--- a/fs/nfs/flexfilelayout/flexfilelayout.c
++++ b/fs/nfs/flexfilelayout/flexfilelayout.c
+@@ -1365,12 +1365,7 @@ static void ff_layout_read_prepare_v4(struct rpc_task 
*task, void *data)
+                               task))
+               return;
+ 
+-      if (ff_layout_read_prepare_common(task, hdr))
+-              return;
+-
+-      if (nfs4_set_rw_stateid(&hdr->args.stateid, hdr->args.context,
+-                      hdr->args.lock_context, FMODE_READ) == -EIO)
+-              rpc_exit(task, -EIO); /* lost lock, terminate I/O */
++      ff_layout_read_prepare_common(task, hdr);
+ }
+ 
+ static void ff_layout_read_call_done(struct rpc_task *task, void *data)
+@@ -1539,12 +1534,7 @@ static void ff_layout_write_prepare_v4(struct rpc_task 
*task, void *data)
+                               task))
+               return;
+ 
+-      if (ff_layout_write_prepare_common(task, hdr))
+-              return;
+-
+-      if (nfs4_set_rw_stateid(&hdr->args.stateid, hdr->args.context,
+-                      hdr->args.lock_context, FMODE_WRITE) == -EIO)
+-              rpc_exit(task, -EIO); /* lost lock, terminate I/O */
++      ff_layout_write_prepare_common(task, hdr);
+ }
+ 
+ static void ff_layout_write_call_done(struct rpc_task *task, void *data)
+@@ -1734,6 +1724,10 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr)
+       fh = nfs4_ff_layout_select_ds_fh(lseg, idx);
+       if (fh)
+               hdr->args.fh = fh;
++
++      if (!nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
++              goto out_failed;
++
+       /*
+        * Note that if we ever decide to split across DSes,
+        * then we may need to handle dense-like offsets.
+@@ -1796,6 +1790,9 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, 
int sync)
+       if (fh)
+               hdr->args.fh = fh;
+ 
++      if (!nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
++              goto out_failed;
++
+       /*
+        * Note that if we ever decide to split across DSes,
+        * then we may need to handle dense-like offsets.
+diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h 
b/fs/nfs/flexfilelayout/flexfilelayout.h
+index 679cb087ef3f..d6515f1584f3 100644
+--- a/fs/nfs/flexfilelayout/flexfilelayout.h
++++ b/fs/nfs/flexfilelayout/flexfilelayout.h
+@@ -214,6 +214,10 @@ unsigned int ff_layout_fetch_ds_ioerr(struct 
pnfs_layout_hdr *lo,
+               unsigned int maxnum);
+ struct nfs_fh *
+ nfs4_ff_layout_select_ds_fh(struct pnfs_layout_segment *lseg, u32 mirror_idx);
++int
++nfs4_ff_layout_select_ds_stateid(struct pnfs_layout_segment *lseg,
++                              u32 mirror_idx,
++                              nfs4_stateid *stateid);
+ 
+ struct nfs4_pnfs_ds *
+ nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx,
+diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c 
b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+index d62279d3fc5d..9f69e83810ca 100644
+--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
++++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+@@ -369,6 +369,25 @@ out:
+       return fh;
+ }
+ 
++int
++nfs4_ff_layout_select_ds_stateid(struct pnfs_layout_segment *lseg,
++                              u32 mirror_idx,
++                              nfs4_stateid *stateid)
++{
++      struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, mirror_idx);
++
++      if (!ff_layout_mirror_valid(lseg, mirror, false)) {
++              pr_err_ratelimited("NFS: %s: No data server for mirror offset 
index %d\n",
++                      __func__, mirror_idx);
++              goto out;
++      }
++
++      nfs4_stateid_copy(stateid, &mirror->stateid);
++      return 1;
++out:
++      return 0;
++}
++
+ /**
+  * nfs4_ff_layout_prepare_ds - prepare a DS connection for an RPC call
+  * @lseg: the layout segment we're operating on
+diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
+index 0c51f753652d..d1324d3c72b0 100644
+--- a/include/linux/hyperv.h
++++ b/include/linux/hyperv.h
+@@ -869,6 +869,13 @@ struct vmbus_channel {
+ 
+       bool probe_done;
+ 
++      /*
++       * We must offload the handling of the primary/sub channels
++       * from the single-threaded vmbus_connection.work_queue to
++       * two different workqueue, otherwise we can block
++       * vmbus_connection.work_queue and hang: see vmbus_process_offer().
++       */
++      struct work_struct add_channel_work;
+ };
+ 
+ static inline bool is_hvsock_channel(const struct vmbus_channel *c)
+diff --git a/include/linux/usb.h b/include/linux/usb.h
+index 4192a1755ccb..8c7ba40cf021 100644
+--- a/include/linux/usb.h
++++ b/include/linux/usb.h
+@@ -407,11 +407,11 @@ struct usb_host_bos {
+ };
+ 
+ int __usb_get_extra_descriptor(char *buffer, unsigned size,
+-      unsigned char type, void **ptr);
++      unsigned char type, void **ptr, size_t min);
+ #define usb_get_extra_descriptor(ifpoint, type, ptr) \
+                               __usb_get_extra_descriptor((ifpoint)->extra, \
+                               (ifpoint)->extralen, \
+-                              type, (void **)ptr)
++                              type, (void **)ptr, sizeof(**(ptr)))
+ 
+ /* ----------------------------------------------------------------------- */
+ 
+diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h
+index c704357775fc..2af7bb3ee57d 100644
+--- a/include/sound/pcm_params.h
++++ b/include/sound/pcm_params.h
+@@ -247,11 +247,13 @@ static inline int snd_interval_empty(const struct 
snd_interval *i)
+ static inline int snd_interval_single(const struct snd_interval *i)
+ {
+       return (i->min == i->max || 
+-              (i->min + 1 == i->max && i->openmax));
++              (i->min + 1 == i->max && (i->openmin || i->openmax)));
+ }
+ 
+ static inline int snd_interval_value(const struct snd_interval *i)
+ {
++      if (i->openmin && !i->openmax)
++              return i->max;
+       return i->min;
+ }
+ 
+diff --git a/lib/swiotlb.c b/lib/swiotlb.c
+index 20df2fd9b150..b4c768de3344 100644
+--- a/lib/swiotlb.c
++++ b/lib/swiotlb.c
+@@ -17,6 +17,8 @@
+  * 08/12/11 beckyb    Add highmem support
+  */
+ 
++#define pr_fmt(fmt) "software IO TLB: " fmt
++
+ #include <linux/cache.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/mm.h>
+@@ -177,20 +179,16 @@ static bool no_iotlb_memory;
+ void swiotlb_print_info(void)
+ {
+       unsigned long bytes = io_tlb_nslabs << IO_TLB_SHIFT;
+-      unsigned char *vstart, *vend;
+ 
+       if (no_iotlb_memory) {
+-              pr_warn("software IO TLB: No low mem\n");
++              pr_warn("No low mem\n");
+               return;
+       }
+ 
+-      vstart = phys_to_virt(io_tlb_start);
+-      vend = phys_to_virt(io_tlb_end);
+-
+-      printk(KERN_INFO "software IO TLB [mem %#010llx-%#010llx] (%luMB) 
mapped at [%p-%p]\n",
++      pr_info("mapped [mem %#010llx-%#010llx] (%luMB)\n",
+              (unsigned long long)io_tlb_start,
+              (unsigned long long)io_tlb_end,
+-             bytes >> 20, vstart, vend - 1);
++             bytes >> 20);
+ }
+ 
+ /*
+@@ -290,7 +288,7 @@ swiotlb_init(int verbose)
+       if (io_tlb_start)
+               memblock_free_early(io_tlb_start,
+                                   PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT));
+-      pr_warn("Cannot allocate SWIOTLB buffer");
++      pr_warn("Cannot allocate buffer");
+       no_iotlb_memory = true;
+ }
+ 
+@@ -332,8 +330,8 @@ swiotlb_late_init_with_default_size(size_t default_size)
+               return -ENOMEM;
+       }
+       if (order != get_order(bytes)) {
+-              printk(KERN_WARNING "Warning: only able to allocate %ld MB "
+-                     "for software IO TLB\n", (PAGE_SIZE << order) >> 20);
++              pr_warn("only able to allocate %ld MB\n",
++                      (PAGE_SIZE << order) >> 20);
+               io_tlb_nslabs = SLABS_PER_PAGE << order;
+       }
+       rc = swiotlb_late_init_with_tbl(vstart, io_tlb_nslabs);
+@@ -770,7 +768,7 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
+ 
+ err_warn:
+       if (warn && printk_ratelimit()) {
+-              pr_warn("swiotlb: coherent allocation failed for device %s 
size=%zu\n",
++              pr_warn("coherent allocation failed for device %s size=%zu\n",
+                       dev_name(hwdev), size);
+               dump_stack();
+       }
+diff --git a/lib/test_firmware.c b/lib/test_firmware.c
+index e7008688769b..71d371f97138 100644
+--- a/lib/test_firmware.c
++++ b/lib/test_firmware.c
+@@ -838,6 +838,7 @@ static ssize_t read_firmware_show(struct device *dev,
+       if (req->fw->size > PAGE_SIZE) {
+               pr_err("Testing interface must use PAGE_SIZE firmware for 
now\n");
+               rc = -EINVAL;
++              goto out;
+       }
+       memcpy(buf, req->fw->data, req->fw->size);
+ 
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c
+index 2074f424dabf..6be91a1a00d9 100644
+--- a/mm/page_alloc.c
++++ b/mm/page_alloc.c
+@@ -3862,8 +3862,6 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int 
order,
+       enum compact_result compact_result;
+       int compaction_retries;
+       int no_progress_loops;
+-      unsigned long alloc_start = jiffies;
+-      unsigned int stall_timeout = 10 * HZ;
+       unsigned int cpuset_mems_cookie;
+       int reserve_flags;
+ 
+@@ -3983,14 +3981,6 @@ retry:
+       if (!can_direct_reclaim)
+               goto nopage;
+ 
+-      /* Make sure we know about allocations which stall for too long */
+-      if (time_after(jiffies, alloc_start + stall_timeout)) {
+-              warn_alloc(gfp_mask & ~__GFP_NOWARN, ac->nodemask,
+-                      "page allocation stalls for %ums, order:%u",
+-                      jiffies_to_msecs(jiffies-alloc_start), order);
+-              stall_timeout += 10 * HZ;
+-      }
+-
+       /* Avoid recursion of direct reclaim */
+       if (current->flags & PF_MEMALLOC)
+               goto nopage;
+diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
+index e92dfedccc16..fbc132f4670e 100644
+--- a/net/batman-adv/bat_v_elp.c
++++ b/net/batman-adv/bat_v_elp.c
+@@ -338,19 +338,21 @@ out:
+  */
+ int batadv_v_elp_iface_enable(struct batadv_hard_iface *hard_iface)
+ {
++      static const size_t tvlv_padding = sizeof(__be32);
+       struct batadv_elp_packet *elp_packet;
+       unsigned char *elp_buff;
+       u32 random_seqno;
+       size_t size;
+       int res = -ENOMEM;
+ 
+-      size = ETH_HLEN + NET_IP_ALIGN + BATADV_ELP_HLEN;
++      size = ETH_HLEN + NET_IP_ALIGN + BATADV_ELP_HLEN + tvlv_padding;
+       hard_iface->bat_v.elp_skb = dev_alloc_skb(size);
+       if (!hard_iface->bat_v.elp_skb)
+               goto out;
+ 
+       skb_reserve(hard_iface->bat_v.elp_skb, ETH_HLEN + NET_IP_ALIGN);
+-      elp_buff = skb_put_zero(hard_iface->bat_v.elp_skb, BATADV_ELP_HLEN);
++      elp_buff = skb_put_zero(hard_iface->bat_v.elp_skb,
++                              BATADV_ELP_HLEN + tvlv_padding);
+       elp_packet = (struct batadv_elp_packet *)elp_buff;
+ 
+       elp_packet->packet_type = BATADV_ELP;
+diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
+index b6abd19ab23e..c6d37d22bd12 100644
+--- a/net/batman-adv/fragmentation.c
++++ b/net/batman-adv/fragmentation.c
+@@ -274,7 +274,7 @@ batadv_frag_merge_packets(struct hlist_head *chain)
+       kfree(entry);
+ 
+       packet = (struct batadv_frag_packet *)skb_out->data;
+-      size = ntohs(packet->total_size);
++      size = ntohs(packet->total_size) + hdr_size;
+ 
+       /* Make room for the rest of the fragments. */
+       if (pskb_expand_head(skb_out, 0, size - skb_out->len, GFP_ATOMIC) < 0) {
+diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
+index e4912858b72c..222c063244f5 100644
+--- a/net/mac80211/iface.c
++++ b/net/mac80211/iface.c
+@@ -1032,6 +1032,8 @@ static void ieee80211_do_stop(struct 
ieee80211_sub_if_data *sdata,
+       if (local->open_count == 0)
+               ieee80211_clear_tx_pending(local);
+ 
++      sdata->vif.bss_conf.beacon_int = 0;
++
+       /*
+        * If the interface goes down while suspended, presumably because
+        * the device was unplugged and that happens before our resume,
+diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
+index dddd498e1338..9e19ddbcb06e 100644
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -1254,6 +1254,7 @@ ieee80211_rx_h_check_dup(struct ieee80211_rx_data *rx)
+               return RX_CONTINUE;
+ 
+       if (ieee80211_is_ctl(hdr->frame_control) ||
++          ieee80211_is_nullfunc(hdr->frame_control) ||
+           ieee80211_is_qos_nullfunc(hdr->frame_control) ||
+           is_multicast_ether_addr(hdr->addr1))
+               return RX_CONTINUE;
+diff --git a/net/mac80211/status.c b/net/mac80211/status.c
+index bdf131ed5ce8..35912270087c 100644
+--- a/net/mac80211/status.c
++++ b/net/mac80211/status.c
+@@ -953,6 +953,8 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
+                       /* Track when last TDLS packet was ACKed */
+                       if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
+                               sta->status_stats.last_tdls_pkt_time = jiffies;
++              } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
++                      return;
+               } else {
+                       ieee80211_lost_packet(sta, info);
+               }
+diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
+index a17a56032a21..6b9bf9c027a2 100644
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -435,8 +435,8 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data 
*tx)
+       if (ieee80211_hw_check(&tx->local->hw, QUEUE_CONTROL))
+               info->hw_queue = tx->sdata->vif.cab_queue;
+ 
+-      /* no stations in PS mode */
+-      if (!atomic_read(&ps->num_sta_ps))
++      /* no stations in PS mode and no buffered packets */
++      if (!atomic_read(&ps->num_sta_ps) && skb_queue_empty(&ps->bc_buf))
+               return TX_CONTINUE;
+ 
+       info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
+diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
+index 9463af4b32e8..1281b967dbf9 100644
+--- a/net/sunrpc/auth_gss/auth_gss.c
++++ b/net/sunrpc/auth_gss/auth_gss.c
+@@ -1736,6 +1736,7 @@ priv_release_snd_buf(struct rpc_rqst *rqstp)
+       for (i=0; i < rqstp->rq_enc_pages_num; i++)
+               __free_page(rqstp->rq_enc_pages[i]);
+       kfree(rqstp->rq_enc_pages);
++      rqstp->rq_release_snd_buf = NULL;
+ }
+ 
+ static int
+@@ -1744,6 +1745,9 @@ alloc_enc_pages(struct rpc_rqst *rqstp)
+       struct xdr_buf *snd_buf = &rqstp->rq_snd_buf;
+       int first, last, i;
+ 
++      if (rqstp->rq_release_snd_buf)
++              rqstp->rq_release_snd_buf(rqstp);
++
+       if (snd_buf->page_len == 0) {
+               rqstp->rq_enc_pages_num = 0;
+               return 0;
+diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
+index ab3bf36786b6..966ac384c3f4 100644
+--- a/sound/core/pcm_native.c
++++ b/sound/core/pcm_native.c
+@@ -36,6 +36,7 @@
+ #include <sound/timer.h>
+ #include <sound/minors.h>
+ #include <linux/uio.h>
++#include <linux/delay.h>
+ 
+ #include "pcm_local.h"
+ 
+@@ -91,12 +92,12 @@ static DECLARE_RWSEM(snd_pcm_link_rwsem);
+  * and this may lead to a deadlock when the code path takes read sem
+  * twice (e.g. one in snd_pcm_action_nonatomic() and another in
+  * snd_pcm_stream_lock()).  As a (suboptimal) workaround, let writer to
+- * spin until it gets the lock.
++ * sleep until all the readers are completed without blocking by writer.
+  */
+-static inline void down_write_nonblock(struct rw_semaphore *lock)
++static inline void down_write_nonfifo(struct rw_semaphore *lock)
+ {
+       while (!down_write_trylock(lock))
+-              cond_resched();
++              msleep(1);
+ }
+ 
+ /**
+@@ -1935,7 +1936,7 @@ static int snd_pcm_link(struct snd_pcm_substream 
*substream, int fd)
+               res = -ENOMEM;
+               goto _nolock;
+       }
+-      down_write_nonblock(&snd_pcm_link_rwsem);
++      down_write_nonfifo(&snd_pcm_link_rwsem);
+       write_lock_irq(&snd_pcm_link_rwlock);
+       if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN ||
+           substream->runtime->status->state != 
substream1->runtime->status->state ||
+@@ -1982,7 +1983,7 @@ static int snd_pcm_unlink(struct snd_pcm_substream 
*substream)
+       struct snd_pcm_substream *s;
+       int res = 0;
+ 
+-      down_write_nonblock(&snd_pcm_link_rwsem);
++      down_write_nonfifo(&snd_pcm_link_rwsem);
+       write_lock_irq(&snd_pcm_link_rwlock);
+       if (!snd_pcm_stream_linked(substream)) {
+               res = -EALREADY;
+@@ -2337,7 +2338,8 @@ int snd_pcm_hw_constraints_complete(struct 
snd_pcm_substream *substream)
+ 
+ static void pcm_release_private(struct snd_pcm_substream *substream)
+ {
+-      snd_pcm_unlink(substream);
++      if (snd_pcm_stream_linked(substream))
++              snd_pcm_unlink(substream);
+ }
+ 
+ void snd_pcm_release_substream(struct snd_pcm_substream *substream)
+diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
+index 4e38905bc47d..d8e80b6f5a6b 100644
+--- a/sound/pci/hda/hda_intel.c
++++ b/sound/pci/hda/hda_intel.c
+@@ -2513,6 +2513,10 @@ static const struct pci_device_id azx_ids[] = {
+       /* AMD Hudson */
+       { PCI_DEVICE(0x1022, 0x780d),
+         .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
++      /* AMD Stoney */
++      { PCI_DEVICE(0x1022, 0x157a),
++        .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
++                       AZX_DCAPS_PM_RUNTIME },
+       /* AMD Raven */
+       { PCI_DEVICE(0x1022, 0x15e3),
+         .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index 66b0a124beae..f6136f041a81 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -4863,9 +4863,18 @@ static void alc_fixup_tpt470_dock(struct hda_codec 
*codec,
+               { 0x19, 0x21a11010 }, /* dock mic */
+               { }
+       };
++      /* Assure the speaker pin to be coupled with DAC NID 0x03; otherwise
++       * the speaker output becomes too low by some reason on Thinkpads with
++       * ALC298 codec
++       */
++      static hda_nid_t preferred_pairs[] = {
++              0x14, 0x03, 0x17, 0x02, 0x21, 0x02,
++              0
++      };
+       struct alc_spec *spec = codec->spec;
+ 
+       if (action == HDA_FIXUP_ACT_PRE_PROBE) {
++              spec->gen.preferred_dacs = preferred_pairs;
+               spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP;
+               snd_hda_apply_pincfgs(codec, pincfgs);
+       } else if (action == HDA_FIXUP_ACT_INIT) {
+diff --git a/sound/usb/card.c b/sound/usb/card.c
+index 23d1d23aefec..4169c71f8a32 100644
+--- a/sound/usb/card.c
++++ b/sound/usb/card.c
+@@ -644,9 +644,12 @@ static int usb_audio_probe(struct usb_interface *intf,
+ 
+  __error:
+       if (chip) {
++              /* chip->active is inside the chip->card object,
++               * decrement before memory is possibly returned.
++               */
++              atomic_dec(&chip->active);
+               if (!chip->num_interfaces)
+                       snd_card_free(chip->card);
+-              atomic_dec(&chip->active);
+       }
+       mutex_unlock(&register_mutex);
+       return err;

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