commit:     6eb3f2503c38b3d4f8abcddfa32c03b74239973c
Author:     Arisu Tachibana <alicef <AT> gentoo <DOT> org>
AuthorDate: Fri Jul 18 12:06:50 2025 +0000
Commit:     Arisu Tachibana <alicef <AT> gentoo <DOT> org>
CommitDate: Fri Jul 18 12:06:50 2025 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=6eb3f250

Linux patch 5.15.189

Signed-off-by: Arisu Tachibana <alicef <AT> gentoo.org>

 0000_README               |    4 +
 1188_linux-5.15.189.patch | 3286 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 3290 insertions(+)

diff --git a/0000_README b/0000_README
index fa835cd8..eeeff59c 100644
--- a/0000_README
+++ b/0000_README
@@ -795,6 +795,10 @@ Patch:  1187_linux-5.15.188.patch
 From:   https://www.kernel.org
 Desc:   Linux 5.15.188
 
+Patch:  1188_linux-5.15.189.patch
+From:   https://www.kernel.org
+Desc:   Linux 5.15.189
+
 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/1188_linux-5.15.189.patch b/1188_linux-5.15.189.patch
new file mode 100644
index 00000000..c045d056
--- /dev/null
+++ b/1188_linux-5.15.189.patch
@@ -0,0 +1,3286 @@
+diff --git a/Makefile b/Makefile
+index 86a5048e981615..6bc80f4cfd7e34 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 5
+ PATCHLEVEL = 15
+-SUBLEVEL = 188
++SUBLEVEL = 189
+ EXTRAVERSION =
+ NAME = Trick or Treat
+ 
+diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
+index c63ccf1ab4a20a..41fc93ce4d372b 100644
+--- a/arch/um/drivers/vector_kern.c
++++ b/arch/um/drivers/vector_kern.c
+@@ -1603,35 +1603,19 @@ static void vector_eth_configure(
+ 
+       device->dev = dev;
+ 
+-      *vp = ((struct vector_private)
+-              {
+-              .list                   = LIST_HEAD_INIT(vp->list),
+-              .dev                    = dev,
+-              .unit                   = n,
+-              .options                = get_transport_options(def),
+-              .rx_irq                 = 0,
+-              .tx_irq                 = 0,
+-              .parsed                 = def,
+-              .max_packet             = get_mtu(def) + ETH_HEADER_OTHER,
+-              /* TODO - we need to calculate headroom so that ip header
+-               * is 16 byte aligned all the time
+-               */
+-              .headroom               = get_headroom(def),
+-              .form_header            = NULL,
+-              .verify_header          = NULL,
+-              .header_rxbuffer        = NULL,
+-              .header_txbuffer        = NULL,
+-              .header_size            = 0,
+-              .rx_header_size         = 0,
+-              .rexmit_scheduled       = false,
+-              .opened                 = false,
+-              .transport_data         = NULL,
+-              .in_write_poll          = false,
+-              .coalesce               = 2,
+-              .req_size               = get_req_size(def),
+-              .in_error               = false,
+-              .bpf                    = NULL
+-      });
++      INIT_LIST_HEAD(&vp->list);
++      vp->dev         = dev;
++      vp->unit        = n;
++      vp->options     = get_transport_options(def);
++      vp->parsed      = def;
++      vp->max_packet  = get_mtu(def) + ETH_HEADER_OTHER;
++      /*
++       * TODO - we need to calculate headroom so that ip header
++       * is 16 byte aligned all the time
++       */
++      vp->headroom    = get_headroom(def);
++      vp->coalesce    = 2;
++      vp->req_size    = get_req_size(def);
+ 
+       dev->features = dev->hw_features = (NETIF_F_SG | NETIF_F_FRAGLIST);
+       tasklet_setup(&vp->tx_poll, vector_tx_poll);
+diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
+index 4eca434fd80bef..3b9ba4b227d579 100644
+--- a/arch/x86/Kconfig
++++ b/arch/x86/Kconfig
+@@ -118,7 +118,7 @@ config X86
+       select ARCH_WANT_DEFAULT_BPF_JIT        if X86_64
+       select ARCH_WANTS_DYNAMIC_TASK_STRUCT
+       select ARCH_WANTS_NO_INSTR
+-      select ARCH_WANT_HUGE_PMD_SHARE
++      select ARCH_WANT_HUGE_PMD_SHARE         if X86_64
+       select ARCH_WANT_LD_ORPHAN_WARN
+       select ARCH_WANTS_THP_SWAP              if X86_64
+       select ARCH_HAS_PARANOID_L1D_FLUSH
+diff --git a/arch/x86/include/asm/cpufeatures.h 
b/arch/x86/include/asm/cpufeatures.h
+index 63b84540cfb356..b8d945d8d34ff3 100644
+--- a/arch/x86/include/asm/cpufeatures.h
++++ b/arch/x86/include/asm/cpufeatures.h
+@@ -418,8 +418,8 @@
+ #define X86_FEATURE_SEV_ES            (19*32+ 3) /* AMD Secure Encrypted 
Virtualization - Encrypted State */
+ #define X86_FEATURE_SME_COHERENT      (19*32+10) /* "" AMD hardware-enforced 
cache coherency */
+ 
++#define X86_FEATURE_VERW_CLEAR                (20*32+ 5) /* "" The memory 
form of VERW mitigates TSA */
+ #define X86_FEATURE_AUTOIBRS          (20*32+ 8) /* "" Automatic IBRS */
+-#define X86_FEATURE_VERW_CLEAR                (20*32+ 10) /* "" The memory 
form of VERW mitigates TSA */
+ #define X86_FEATURE_SBPB              (20*32+27) /* "" Selective Branch 
Prediction Barrier */
+ #define X86_FEATURE_IBPB_BRTYPE               (20*32+28) /* "" 
MSR_PRED_CMD[IBPB] flushes all branch type predictions */
+ #define X86_FEATURE_SRSO_NO           (20*32+29) /* "" CPU is not affected by 
SRSO */
+diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
+index 1a162e559753b5..c183b7f9efef29 100644
+--- a/arch/x86/include/asm/xen/page.h
++++ b/arch/x86/include/asm/xen/page.h
+@@ -355,9 +355,6 @@ unsigned long arbitrary_virt_to_mfn(void *vaddr);
+ void make_lowmem_page_readonly(void *vaddr);
+ void make_lowmem_page_readwrite(void *vaddr);
+ 
+-#define xen_remap(cookie, size) ioremap((cookie), (size))
+-#define xen_unmap(cookie) iounmap((cookie))
+-
+ static inline bool xen_arch_need_swiotlb(struct device *dev,
+                                        phys_addr_t phys,
+                                        dma_addr_t dev_addr)
+diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
+index d4e75be64a4c54..aa20b2c6881e95 100644
+--- a/arch/x86/kernel/cpu/mce/amd.c
++++ b/arch/x86/kernel/cpu/mce/amd.c
+@@ -310,7 +310,6 @@ static void smca_configure(unsigned int bank, unsigned int 
cpu)
+ 
+ struct thresh_restart {
+       struct threshold_block  *b;
+-      int                     reset;
+       int                     set_lvt_off;
+       int                     lvt_off;
+       u16                     old_limit;
+@@ -405,13 +404,13 @@ static void threshold_restart_bank(void *_tr)
+ 
+       rdmsr(tr->b->address, lo, hi);
+ 
+-      if (tr->b->threshold_limit < (hi & THRESHOLD_MAX))
+-              tr->reset = 1;  /* limit cannot be lower than err count */
+-
+-      if (tr->reset) {                /* reset err count and overflow bit */
+-              hi =
+-                  (hi & ~(MASK_ERR_COUNT_HI | MASK_OVERFLOW_HI)) |
+-                  (THRESHOLD_MAX - tr->b->threshold_limit);
++      /*
++       * Reset error count and overflow bit.
++       * This is done during init or after handling an interrupt.
++       */
++      if (hi & MASK_OVERFLOW_HI || tr->set_lvt_off) {
++              hi &= ~(MASK_ERR_COUNT_HI | MASK_OVERFLOW_HI);
++              hi |= THRESHOLD_MAX - tr->b->threshold_limit;
+       } else if (tr->old_limit) {     /* change limit w/o reset */
+               int new_count = (hi & THRESHOLD_MAX) +
+                   (tr->old_limit - tr->b->threshold_limit);
+diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
+index 30d822c2e5c0f0..e8a25b3c02722e 100644
+--- a/arch/x86/kernel/cpu/mce/core.c
++++ b/arch/x86/kernel/cpu/mce/core.c
+@@ -2620,15 +2620,9 @@ static int mce_cpu_dead(unsigned int cpu)
+ static int mce_cpu_online(unsigned int cpu)
+ {
+       struct timer_list *t = this_cpu_ptr(&mce_timer);
+-      int ret;
+ 
+       mce_device_create(cpu);
+-
+-      ret = mce_threshold_create_device(cpu);
+-      if (ret) {
+-              mce_device_remove(cpu);
+-              return ret;
+-      }
++      mce_threshold_create_device(cpu);
+       mce_reenable_cpu();
+       mce_start_timer(t);
+       return 0;
+diff --git a/arch/x86/kernel/cpu/mce/intel.c b/arch/x86/kernel/cpu/mce/intel.c
+index baafbb37be678d..deabe15fb59314 100644
+--- a/arch/x86/kernel/cpu/mce/intel.c
++++ b/arch/x86/kernel/cpu/mce/intel.c
+@@ -542,6 +542,7 @@ void mce_intel_feature_init(struct cpuinfo_x86 *c)
+ void mce_intel_feature_clear(struct cpuinfo_x86 *c)
+ {
+       intel_clear_lmce();
++      cmci_clear();
+ }
+ 
+ bool intel_filter_mce(struct mce *m)
+diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
+index b0a5d077db9054..8bb0f4d06adc01 100644
+--- a/drivers/acpi/battery.c
++++ b/drivers/acpi/battery.c
+@@ -250,23 +250,10 @@ static int acpi_battery_get_property(struct power_supply 
*psy,
+               break;
+       case POWER_SUPPLY_PROP_CURRENT_NOW:
+       case POWER_SUPPLY_PROP_POWER_NOW:
+-              if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) {
++              if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN)
+                       ret = -ENODEV;
+-                      break;
+-              }
+-
+-              val->intval = battery->rate_now * 1000;
+-              /*
+-               * When discharging, the current should be reported as a
+-               * negative number as per the power supply class interface
+-               * definition.
+-               */
+-              if (psp == POWER_SUPPLY_PROP_CURRENT_NOW &&
+-                  (battery->state & ACPI_BATTERY_STATE_DISCHARGING) &&
+-                  acpi_battery_handle_discharging(battery)
+-                              == POWER_SUPPLY_STATUS_DISCHARGING)
+-                      val->intval = -val->intval;
+-
++              else
++                      val->intval = battery->rate_now * 1000;
+               break;
+       case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
+       case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
+diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
+index 7810f974b2ca99..d9ee20f0048feb 100644
+--- a/drivers/atm/idt77252.c
++++ b/drivers/atm/idt77252.c
+@@ -852,6 +852,8 @@ queue_skb(struct idt77252_dev *card, struct vc_map *vc,
+ 
+       IDT77252_PRV_PADDR(skb) = dma_map_single(&card->pcidev->dev, skb->data,
+                                                skb->len, DMA_TO_DEVICE);
++      if (dma_mapping_error(&card->pcidev->dev, IDT77252_PRV_PADDR(skb)))
++              return -ENOMEM;
+ 
+       error = -EINVAL;
+ 
+@@ -1857,6 +1859,8 @@ add_rx_skb(struct idt77252_dev *card, int queue,
+               paddr = dma_map_single(&card->pcidev->dev, skb->data,
+                                      skb_end_pointer(skb) - skb->data,
+                                      DMA_FROM_DEVICE);
++              if (dma_mapping_error(&card->pcidev->dev, paddr))
++                      goto outpoolrm;
+               IDT77252_PRV_PADDR(skb) = paddr;
+ 
+               if (push_rx_skb(card, skb, queue)) {
+@@ -1871,6 +1875,7 @@ add_rx_skb(struct idt77252_dev *card, int queue,
+       dma_unmap_single(&card->pcidev->dev, IDT77252_PRV_PADDR(skb),
+                        skb_end_pointer(skb) - skb->data, DMA_FROM_DEVICE);
+ 
++outpoolrm:
+       handle = IDT77252_PRV_POOL(skb);
+       card->sbpool[POOL_QUEUE(handle)].skb[POOL_INDEX(handle)] = NULL;
+ 
+diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
+index 06b360f7123af5..4bbb540f26b941 100644
+--- a/drivers/block/aoe/aoeblk.c
++++ b/drivers/block/aoe/aoeblk.c
+@@ -346,6 +346,7 @@ aoeblk_gdalloc(void *vp)
+       struct gendisk *gd;
+       mempool_t *mp;
+       struct blk_mq_tag_set *set;
++      sector_t ssize;
+       ulong flags;
+       int late = 0;
+       int err;
+@@ -408,7 +409,7 @@ aoeblk_gdalloc(void *vp)
+       gd->minors = AOE_PARTITIONS;
+       gd->fops = &aoe_bdops;
+       gd->private_data = d;
+-      set_capacity(gd, d->ssize);
++      ssize = d->ssize;
+       snprintf(gd->disk_name, sizeof gd->disk_name, "etherd/e%ld.%d",
+               d->aoemajor, d->aoeminor);
+ 
+@@ -417,6 +418,8 @@ aoeblk_gdalloc(void *vp)
+ 
+       spin_unlock_irqrestore(&d->lock, flags);
+ 
++      set_capacity(gd, ssize);
++
+       device_add_disk(NULL, gd, aoe_attr_groups);
+       aoedisk_add_debugfs(d);
+ 
+diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
+index 1b04fd7c6b98a4..eca713f87614fb 100644
+--- a/drivers/block/nbd.c
++++ b/drivers/block/nbd.c
+@@ -2011,9 +2011,7 @@ static int nbd_genl_connect(struct sk_buff *skb, struct 
genl_info *info)
+                               goto out;
+               }
+       }
+-      ret = nbd_start_device(nbd);
+-      if (ret)
+-              goto out;
++
+       if (info->attrs[NBD_ATTR_BACKEND_IDENTIFIER]) {
+               nbd->backend = 
nla_strdup(info->attrs[NBD_ATTR_BACKEND_IDENTIFIER],
+                                         GFP_KERNEL);
+@@ -2029,6 +2027,8 @@ static int nbd_genl_connect(struct sk_buff *skb, struct 
genl_info *info)
+               goto out;
+       }
+       set_bit(NBD_RT_HAS_BACKEND_FILE, &config->runtime_flags);
++
++      ret = nbd_start_device(nbd);
+ out:
+       mutex_unlock(&nbd->config_lock);
+       if (!ret) {
+diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c
+index e744fd87c63c8b..cafaa54c3d9f1f 100644
+--- a/drivers/dma-buf/dma-resv.c
++++ b/drivers/dma-buf/dma-resv.c
+@@ -313,6 +313,106 @@ void dma_resv_add_excl_fence(struct dma_resv *obj, 
struct dma_fence *fence)
+ }
+ EXPORT_SYMBOL(dma_resv_add_excl_fence);
+ 
++/**
++ * dma_resv_iter_restart_unlocked - restart the unlocked iterator
++ * @cursor: The dma_resv_iter object to restart
++ *
++ * Restart the unlocked iteration by initializing the cursor object.
++ */
++static void dma_resv_iter_restart_unlocked(struct dma_resv_iter *cursor)
++{
++      cursor->seq = read_seqcount_begin(&cursor->obj->seq);
++      cursor->index = -1;
++      if (cursor->all_fences)
++              cursor->fences = dma_resv_shared_list(cursor->obj);
++      else
++              cursor->fences = NULL;
++      cursor->is_restarted = true;
++}
++
++/**
++ * dma_resv_iter_walk_unlocked - walk over fences in a dma_resv obj
++ * @cursor: cursor to record the current position
++ *
++ * Return all the fences in the dma_resv object which are not yet signaled.
++ * The returned fence has an extra local reference so will stay alive.
++ * If a concurrent modify is detected the whole iteration is started over 
again.
++ */
++static void dma_resv_iter_walk_unlocked(struct dma_resv_iter *cursor)
++{
++      struct dma_resv *obj = cursor->obj;
++
++      do {
++              /* Drop the reference from the previous round */
++              dma_fence_put(cursor->fence);
++
++              if (cursor->index == -1) {
++                      cursor->fence = dma_resv_excl_fence(obj);
++                      cursor->index++;
++                      if (!cursor->fence)
++                              continue;
++
++              } else if (!cursor->fences ||
++                         cursor->index >= cursor->fences->shared_count) {
++                      cursor->fence = NULL;
++                      break;
++
++              } else {
++                      struct dma_resv_list *fences = cursor->fences;
++                      unsigned int idx = cursor->index++;
++
++                      cursor->fence = rcu_dereference(fences->shared[idx]);
++              }
++              cursor->fence = dma_fence_get_rcu(cursor->fence);
++              if (!cursor->fence || !dma_fence_is_signaled(cursor->fence))
++                      break;
++      } while (true);
++}
++
++/**
++ * dma_resv_iter_first_unlocked - first fence in an unlocked dma_resv obj.
++ * @cursor: the cursor with the current position
++ *
++ * Returns the first fence from an unlocked dma_resv obj.
++ */
++struct dma_fence *dma_resv_iter_first_unlocked(struct dma_resv_iter *cursor)
++{
++      rcu_read_lock();
++      do {
++              dma_resv_iter_restart_unlocked(cursor);
++              dma_resv_iter_walk_unlocked(cursor);
++      } while (read_seqcount_retry(&cursor->obj->seq, cursor->seq));
++      rcu_read_unlock();
++
++      return cursor->fence;
++}
++EXPORT_SYMBOL(dma_resv_iter_first_unlocked);
++
++/**
++ * dma_resv_iter_next_unlocked - next fence in an unlocked dma_resv obj.
++ * @cursor: the cursor with the current position
++ *
++ * Returns the next fence from an unlocked dma_resv obj.
++ */
++struct dma_fence *dma_resv_iter_next_unlocked(struct dma_resv_iter *cursor)
++{
++      bool restart;
++
++      rcu_read_lock();
++      cursor->is_restarted = false;
++      restart = read_seqcount_retry(&cursor->obj->seq, cursor->seq);
++      do {
++              if (restart)
++                      dma_resv_iter_restart_unlocked(cursor);
++              dma_resv_iter_walk_unlocked(cursor);
++              restart = true;
++      } while (read_seqcount_retry(&cursor->obj->seq, cursor->seq));
++      rcu_read_unlock();
++
++      return cursor->fence;
++}
++EXPORT_SYMBOL(dma_resv_iter_next_unlocked);
++
+ /**
+  * dma_resv_copy_fences - Copy all fences from src to dst.
+  * @dst: the destination reservation object
+@@ -513,74 +613,23 @@ long dma_resv_wait_timeout(struct dma_resv *obj, bool 
wait_all, bool intr,
+                          unsigned long timeout)
+ {
+       long ret = timeout ? timeout : 1;
+-      unsigned int seq, shared_count;
++      struct dma_resv_iter cursor;
+       struct dma_fence *fence;
+-      int i;
+-
+-retry:
+-      shared_count = 0;
+-      seq = read_seqcount_begin(&obj->seq);
+-      rcu_read_lock();
+-      i = -1;
+-
+-      fence = dma_resv_excl_fence(obj);
+-      if (fence && !test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) {
+-              if (!dma_fence_get_rcu(fence))
+-                      goto unlock_retry;
+-
+-              if (dma_fence_is_signaled(fence)) {
+-                      dma_fence_put(fence);
+-                      fence = NULL;
+-              }
+-
+-      } else {
+-              fence = NULL;
+-      }
+-
+-      if (wait_all) {
+-              struct dma_resv_list *fobj = dma_resv_shared_list(obj);
+-
+-              if (fobj)
+-                      shared_count = fobj->shared_count;
+-
+-              for (i = 0; !fence && i < shared_count; ++i) {
+-                      struct dma_fence *lfence;
+-
+-                      lfence = rcu_dereference(fobj->shared[i]);
+-                      if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
+-                                   &lfence->flags))
+-                              continue;
+ 
+-                      if (!dma_fence_get_rcu(lfence))
+-                              goto unlock_retry;
++      dma_resv_iter_begin(&cursor, obj, wait_all);
++      dma_resv_for_each_fence_unlocked(&cursor, fence) {
+ 
+-                      if (dma_fence_is_signaled(lfence)) {
+-                              dma_fence_put(lfence);
+-                              continue;
+-                      }
+-
+-                      fence = lfence;
++              ret = dma_fence_wait_timeout(fence, intr, timeout);
++              if (ret <= 0)
+                       break;
+-              }
+-      }
+ 
+-      rcu_read_unlock();
+-      if (fence) {
+-              if (read_seqcount_retry(&obj->seq, seq)) {
+-                      dma_fence_put(fence);
+-                      goto retry;
+-              }
+-
+-              ret = dma_fence_wait_timeout(fence, intr, ret);
+-              dma_fence_put(fence);
+-              if (ret > 0 && wait_all && (i + 1 < shared_count))
+-                      goto retry;
++              /* Even for zero timeout the return value is 1 */
++              if (timeout)
++                      timeout = ret;
+       }
+-      return ret;
++      dma_resv_iter_end(&cursor);
+ 
+-unlock_retry:
+-      rcu_read_unlock();
+-      goto retry;
++      return ret;
+ }
+ EXPORT_SYMBOL_GPL(dma_resv_wait_timeout);
+ 
+diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
+index dbd19a34b517bd..4d5d5330e3045f 100644
+--- a/drivers/gpu/drm/drm_gem.c
++++ b/drivers/gpu/drm/drm_gem.c
+@@ -234,6 +234,9 @@ drm_gem_object_release_handle(int id, void *ptr, void 
*data)
+       struct drm_file *file_priv = data;
+       struct drm_gem_object *obj = ptr;
+ 
++      if (drm_WARN_ON(obj->dev, !data))
++              return 0;
++
+       if (obj->funcs->close)
+               obj->funcs->close(obj, file_priv);
+ 
+@@ -361,7 +364,7 @@ drm_gem_handle_create_tail(struct drm_file *file_priv,
+       idr_preload(GFP_KERNEL);
+       spin_lock(&file_priv->table_lock);
+ 
+-      ret = idr_alloc(&file_priv->object_idr, obj, 1, 0, GFP_NOWAIT);
++      ret = idr_alloc(&file_priv->object_idr, NULL, 1, 0, GFP_NOWAIT);
+ 
+       spin_unlock(&file_priv->table_lock);
+       idr_preload_end();
+@@ -382,6 +385,11 @@ drm_gem_handle_create_tail(struct drm_file *file_priv,
+                       goto err_revoke;
+       }
+ 
++      /* mirrors drm_gem_handle_delete to avoid races */
++      spin_lock(&file_priv->table_lock);
++      obj = idr_replace(&file_priv->object_idr, obj, handle);
++      WARN_ON(obj != NULL);
++      spin_unlock(&file_priv->table_lock);
+       *handlep = handle;
+       return 0;
+ 
+diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c 
b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
+index 12989a47eb66e4..d255c03aed2255 100644
+--- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c
++++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
+@@ -601,6 +601,10 @@ static irqreturn_t decon_irq_handler(int irq, void 
*dev_id)
+       if (!ctx->drm_dev)
+               goto out;
+ 
++      /* check if crtc and vblank have been initialized properly */
++      if (!drm_dev_has_vblank(ctx->drm_dev))
++              goto out;
++
+       if (!ctx->i80_if) {
+               drm_crtc_handle_vblank(&ctx->crtc->base);
+ 
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index 08494eb652091f..bdad42f1e9f963 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -283,6 +283,8 @@
+ #define USB_DEVICE_ID_ASUS_AK1D               0x1125
+ #define USB_DEVICE_ID_CHICONY_TOSHIBA_WT10A   0x1408
+ #define USB_DEVICE_ID_CHICONY_ACER_SWITCH12   0x1421
++#define USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA   0xb824
++#define USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA2  0xb82c
+ 
+ #define USB_VENDOR_ID_CHUNGHWAT               0x2247
+ #define USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH    0x0001
+@@ -764,6 +766,7 @@
+ #define USB_DEVICE_ID_LENOVO_TPPRODOCK        0x6067
+ #define USB_DEVICE_ID_LENOVO_X1_COVER 0x6085
+ #define USB_DEVICE_ID_LENOVO_X1_TAB   0x60a3
++#define USB_DEVICE_ID_LENOVO_X1_TAB2  0x60a4
+ #define USB_DEVICE_ID_LENOVO_X1_TAB3  0x60b5
+ #define USB_DEVICE_ID_LENOVO_X12_TAB  0x60fe
+ #define USB_DEVICE_ID_LENOVO_X12_TAB2 0x61ae
+@@ -1400,4 +1403,7 @@
+ #define USB_VENDOR_ID_SIGNOTEC                        0x2133
+ #define USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011       0x0018
+ 
++#define USB_VENDOR_ID_SMARTLINKTECHNOLOGY              0x4c4a
++#define USB_DEVICE_ID_SMARTLINKTECHNOLOGY_4155         0x4155
++
+ #endif
+diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
+index 9536f468b42c5c..d74f0ddb45fdba 100644
+--- a/drivers/hid/hid-lenovo.c
++++ b/drivers/hid/hid-lenovo.c
+@@ -343,6 +343,7 @@ static int lenovo_input_mapping(struct hid_device *hdev,
+               return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field,
+                                                              usage, bit, max);
+       case USB_DEVICE_ID_LENOVO_X1_TAB:
++      case USB_DEVICE_ID_LENOVO_X1_TAB2:
+       case USB_DEVICE_ID_LENOVO_X1_TAB3:
+               return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, 
bit, max);
+       default:
+@@ -432,6 +433,7 @@ static ssize_t attr_fn_lock_store(struct device *dev,
+               break;
+       case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+       case USB_DEVICE_ID_LENOVO_X1_TAB:
++      case USB_DEVICE_ID_LENOVO_X1_TAB2:
+       case USB_DEVICE_ID_LENOVO_X1_TAB3:
+               ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, 
value);
+               if (ret)
+@@ -616,6 +618,7 @@ static int lenovo_event(struct hid_device *hdev, struct 
hid_field *field,
+               return lenovo_event_cptkbd(hdev, field, usage, value);
+       case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+       case USB_DEVICE_ID_LENOVO_X1_TAB:
++      case USB_DEVICE_ID_LENOVO_X1_TAB2:
+       case USB_DEVICE_ID_LENOVO_X1_TAB3:
+               return lenovo_event_tp10ubkbd(hdev, field, usage, value);
+       default:
+@@ -899,6 +902,7 @@ static int lenovo_led_brightness_set(struct led_classdev 
*led_cdev,
+               break;
+       case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+       case USB_DEVICE_ID_LENOVO_X1_TAB:
++      case USB_DEVICE_ID_LENOVO_X1_TAB2:
+       case USB_DEVICE_ID_LENOVO_X1_TAB3:
+               ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], 
value);
+               break;
+@@ -1140,6 +1144,7 @@ static int lenovo_probe(struct hid_device *hdev,
+               break;
+       case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+       case USB_DEVICE_ID_LENOVO_X1_TAB:
++      case USB_DEVICE_ID_LENOVO_X1_TAB2:
+       case USB_DEVICE_ID_LENOVO_X1_TAB3:
+               ret = lenovo_probe_tp10ubkbd(hdev);
+               break;
+@@ -1207,6 +1212,7 @@ static void lenovo_remove(struct hid_device *hdev)
+               break;
+       case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+       case USB_DEVICE_ID_LENOVO_X1_TAB:
++      case USB_DEVICE_ID_LENOVO_X1_TAB2:
+       case USB_DEVICE_ID_LENOVO_X1_TAB3:
+               lenovo_remove_tp10ubkbd(hdev);
+               break;
+@@ -1253,6 +1259,8 @@ static const struct hid_device_id lenovo_devices[] = {
+        */
+       { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+                    USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) },
++      { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
++                   USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB2) },
+       { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+                    USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB3) },
+       { }
+diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
+index bc9ba011ff607e..c12f7cb7e1d955 100644
+--- a/drivers/hid/hid-multitouch.c
++++ b/drivers/hid/hid-multitouch.c
+@@ -2108,12 +2108,18 @@ static const struct hid_device_id mt_devices[] = {
+               HID_DEVICE(BUS_I2C, HID_GROUP_GENERIC,
+                       USB_VENDOR_ID_LG, I2C_DEVICE_ID_LG_7010) },
+ 
+-      /* Lenovo X1 TAB Gen 2 */
++      /* Lenovo X1 TAB Gen 1 */
+       { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+               HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
+                          USB_VENDOR_ID_LENOVO,
+                          USB_DEVICE_ID_LENOVO_X1_TAB) },
+ 
++      /* Lenovo X1 TAB Gen 2 */
++      { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
++              HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
++                         USB_VENDOR_ID_LENOVO,
++                         USB_DEVICE_ID_LENOVO_X1_TAB2) },
++
+       /* Lenovo X1 TAB Gen 3 */
+       { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+               HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
+diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
+index 126cadb117fef9..72b7aebcc771f0 100644
+--- a/drivers/hid/hid-quirks.c
++++ b/drivers/hid/hid-quirks.c
+@@ -727,6 +727,8 @@ static const struct hid_device_id hid_ignore_list[] = {
+       { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) 
},
+       { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) 
},
+       { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) 
},
++      { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, 
USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA) },
++      { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, 
USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA2) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, 
USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, 
USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
+@@ -874,6 +876,7 @@ static const struct hid_device_id hid_ignore_list[] = {
+ #endif
+       { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, 
USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, 
USB_DEVICE_ID_QUANTA_HP_5MP_CAMERA_5473) },
++      { HID_USB_DEVICE(USB_VENDOR_ID_SMARTLINKTECHNOLOGY, 
USB_DEVICE_ID_SMARTLINKTECHNOLOGY_4155) },
+       { }
+ };
+ 
+diff --git a/drivers/infiniband/hw/mlx5/main.c 
b/drivers/infiniband/hw/mlx5/main.c
+index 2236c62a198073..e2f3369342c48c 100644
+--- a/drivers/infiniband/hw/mlx5/main.c
++++ b/drivers/infiniband/hw/mlx5/main.c
+@@ -1680,6 +1680,33 @@ static void deallocate_uars(struct mlx5_ib_dev *dev,
+                       mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]);
+ }
+ 
++static int mlx5_ib_enable_lb_mp(struct mlx5_core_dev *master,
++                              struct mlx5_core_dev *slave)
++{
++      int err;
++
++      err = mlx5_nic_vport_update_local_lb(master, true);
++      if (err)
++              return err;
++
++      err = mlx5_nic_vport_update_local_lb(slave, true);
++      if (err)
++              goto out;
++
++      return 0;
++
++out:
++      mlx5_nic_vport_update_local_lb(master, false);
++      return err;
++}
++
++static void mlx5_ib_disable_lb_mp(struct mlx5_core_dev *master,
++                                struct mlx5_core_dev *slave)
++{
++      mlx5_nic_vport_update_local_lb(slave, false);
++      mlx5_nic_vport_update_local_lb(master, false);
++}
++
+ int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp)
+ {
+       int err = 0;
+@@ -3147,6 +3174,8 @@ static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev 
*ibdev,
+ 
+       lockdep_assert_held(&mlx5_ib_multiport_mutex);
+ 
++      mlx5_ib_disable_lb_mp(ibdev->mdev, mpi->mdev);
++
+       mlx5_ib_cleanup_cong_debugfs(ibdev, port_num);
+ 
+       spin_lock(&port->mp.mpi_lock);
+@@ -3231,6 +3260,10 @@ static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev 
*ibdev,
+ 
+       mlx5_ib_init_cong_debugfs(ibdev, port_num);
+ 
++      err = mlx5_ib_enable_lb_mp(ibdev->mdev, mpi->mdev);
++      if (err)
++              goto unbind;
++
+       return true;
+ 
+ unbind:
+diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
+index 98397c2c6bfacd..a5207d6a5ebea5 100644
+--- a/drivers/input/joystick/xpad.c
++++ b/drivers/input/joystick/xpad.c
+@@ -149,6 +149,7 @@ static const struct xpad_device {
+       { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, 
XTYPE_XBOX },
+       { 0x05fe, 0x3030, "Chic Controller", 0, XTYPE_XBOX },
+       { 0x05fe, 0x3031, "Chic Controller", 0, XTYPE_XBOX },
++      { 0x0502, 0x1305, "Acer NGR200", 0, XTYPE_XBOX },
+       { 0x062a, 0x0020, "Logic3 Xbox GamePad", 0, XTYPE_XBOX },
+       { 0x062a, 0x0033, "Competition Pro Steering Wheel", 0, XTYPE_XBOX },
+       { 0x06a3, 0x0200, "Saitek Racing Wheel", 0, XTYPE_XBOX },
+@@ -443,6 +444,7 @@ static const struct usb_device_id xpad_table[] = {
+       XPAD_XBOX360_VENDOR(0x045e),            /* Microsoft X-Box 360 
controllers */
+       XPAD_XBOXONE_VENDOR(0x045e),            /* Microsoft X-Box One 
controllers */
+       XPAD_XBOX360_VENDOR(0x046d),            /* Logitech X-Box 360 style 
controllers */
++      XPAD_XBOX360_VENDOR(0x0502),            /* Acer Inc. X-Box 360 style 
controllers */
+       XPAD_XBOX360_VENDOR(0x056e),            /* Elecom JC-U3613M */
+       XPAD_XBOX360_VENDOR(0x06a3),            /* Saitek P3600 */
+       XPAD_XBOX360_VENDOR(0x0738),            /* Mad Catz X-Box 360 
controllers */
+diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
+index e8e9947e2f5cc3..1c033020efc479 100644
+--- a/drivers/input/keyboard/atkbd.c
++++ b/drivers/input/keyboard/atkbd.c
+@@ -817,7 +817,7 @@ static int atkbd_probe(struct atkbd *atkbd)
+ 
+       if (atkbd_skip_getid(atkbd)) {
+               atkbd->id = 0xab83;
+-              return 0;
++              goto deactivate_kbd;
+       }
+ 
+ /*
+@@ -854,6 +854,7 @@ static int atkbd_probe(struct atkbd *atkbd)
+               return -1;
+       }
+ 
++deactivate_kbd:
+ /*
+  * Make sure nothing is coming from the keyboard and disturbs our
+  * internal state.
+diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
+index de87606b2e04cc..3eacac244f3de5 100644
+--- a/drivers/md/raid1.c
++++ b/drivers/md/raid1.c
+@@ -3319,6 +3319,7 @@ static int raid1_reshape(struct mddev *mddev)
+       /* ok, everything is stopped */
+       oldpool = conf->r1bio_pool;
+       conf->r1bio_pool = newpool;
++      init_waitqueue_head(&conf->r1bio_pool.wait);
+ 
+       for (d = d2 = 0; d < conf->raid_disks; d++) {
+               struct md_rdev *rdev = conf->mirrors[d].rdev;
+diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
+index e6c0e24cb9ae23..5b0f38e7c8f139 100644
+--- a/drivers/md/raid10.c
++++ b/drivers/md/raid10.c
+@@ -1196,8 +1196,11 @@ static void raid10_read_request(struct mddev *mddev, 
struct bio *bio,
+               rcu_read_unlock();
+       }
+ 
+-      if (!regular_request_wait(mddev, conf, bio, r10_bio->sectors))
++      if (!regular_request_wait(mddev, conf, bio, r10_bio->sectors)) {
++              raid_end_bio_io(r10_bio);
+               return;
++      }
++
+       rdev = read_balance(conf, r10_bio, &max_sectors);
+       if (!rdev) {
+               if (err_rdev) {
+@@ -1431,8 +1434,11 @@ static void raid10_write_request(struct mddev *mddev, 
struct bio *bio,
+       }
+ 
+       sectors = r10_bio->sectors;
+-      if (!regular_request_wait(mddev, conf, bio, sectors))
++      if (!regular_request_wait(mddev, conf, bio, sectors)) {
++              raid_end_bio_io(r10_bio);
+               return;
++      }
++
+       if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
+           (mddev->reshape_backwards
+            ? (bio->bi_iter.bi_sector < conf->reshape_safe &&
+diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
+index e8b35661c53891..17b893eb286e72 100644
+--- a/drivers/net/can/m_can/m_can.c
++++ b/drivers/net/can/m_can/m_can.c
+@@ -582,7 +582,7 @@ static int m_can_handle_lost_msg(struct net_device *dev)
+       struct can_frame *frame;
+       u32 timestamp = 0;
+ 
+-      netdev_err(dev, "msg lost in rxf0\n");
++      netdev_dbg(dev, "msg lost in rxf0\n");
+ 
+       stats->rx_errors++;
+       stats->rx_over_errors++;
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
+index 228a5db7e1434b..596513ffdfd9cb 100644
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
+@@ -479,7 +479,9 @@ static int bnxt_ets_validate(struct bnxt *bp, struct 
ieee_ets *ets, u8 *tc)
+ 
+               if ((ets->tc_tx_bw[i] || ets->tc_tsa[i]) && i > bp->max_tc)
+                       return -EINVAL;
++      }
+ 
++      for (i = 0; i < max_tc; i++) {
+               switch (ets->tc_tsa[i]) {
+               case IEEE_8021QAZ_TSA_STRICT:
+                       break;
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
+index 148b58f3468b31..8a5009e66a1348 100644
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
+@@ -67,7 +67,7 @@ static void __bnxt_xmit_xdp_redirect(struct bnxt *bp,
+       tx_buf->action = XDP_REDIRECT;
+       tx_buf->xdpf = xdpf;
+       dma_unmap_addr_set(tx_buf, mapping, mapping);
+-      dma_unmap_len_set(tx_buf, len, 0);
++      dma_unmap_len_set(tx_buf, len, len);
+ }
+ 
+ void bnxt_tx_int_xdp(struct bnxt *bp, struct bnxt_napi *bnapi, int nr_pkts)
+diff --git a/drivers/net/ethernet/intel/ice/ice_main.c 
b/drivers/net/ethernet/intel/ice/ice_main.c
+index 91840ea92b0dfe..04e3f6c424c0ca 100644
+--- a/drivers/net/ethernet/intel/ice/ice_main.c
++++ b/drivers/net/ethernet/intel/ice/ice_main.c
+@@ -5731,14 +5731,15 @@ ice_fetch_u64_stats_per_ring(struct ice_ring *ring, 
u64 *pkts, u64 *bytes)
+ /**
+  * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters
+  * @vsi: the VSI to be updated
++ * @vsi_stats: the stats struct to be updated
+  * @rings: rings to work on
+  * @count: number of rings
+  */
+ static void
+-ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, struct ice_ring **rings,
+-                           u16 count)
++ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi,
++                           struct rtnl_link_stats64 *vsi_stats,
++                           struct ice_ring **rings, u16 count)
+ {
+-      struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats;
+       u16 i;
+ 
+       for (i = 0; i < count; i++) {
+@@ -5761,15 +5762,13 @@ ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, 
struct ice_ring **rings,
+  */
+ static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
+ {
+-      struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats;
++      struct rtnl_link_stats64 *vsi_stats;
+       u64 pkts, bytes;
+       int i;
+ 
+-      /* reset netdev stats */
+-      vsi_stats->tx_packets = 0;
+-      vsi_stats->tx_bytes = 0;
+-      vsi_stats->rx_packets = 0;
+-      vsi_stats->rx_bytes = 0;
++      vsi_stats = kzalloc(sizeof(*vsi_stats), GFP_ATOMIC);
++      if (!vsi_stats)
++              return;
+ 
+       /* reset non-netdev (extended) stats */
+       vsi->tx_restart = 0;
+@@ -5781,7 +5780,8 @@ static void ice_update_vsi_ring_stats(struct ice_vsi 
*vsi)
+       rcu_read_lock();
+ 
+       /* update Tx rings counters */
+-      ice_update_vsi_tx_ring_stats(vsi, vsi->tx_rings, vsi->num_txq);
++      ice_update_vsi_tx_ring_stats(vsi, vsi_stats, vsi->tx_rings,
++                                   vsi->num_txq);
+ 
+       /* update Rx rings counters */
+       ice_for_each_rxq(vsi, i) {
+@@ -5796,10 +5796,17 @@ static void ice_update_vsi_ring_stats(struct ice_vsi 
*vsi)
+ 
+       /* update XDP Tx rings counters */
+       if (ice_is_xdp_ena_vsi(vsi))
+-              ice_update_vsi_tx_ring_stats(vsi, vsi->xdp_rings,
++              ice_update_vsi_tx_ring_stats(vsi, vsi_stats, vsi->xdp_rings,
+                                            vsi->num_xdp_txq);
+ 
+       rcu_read_unlock();
++
++      vsi->net_stats.tx_packets = vsi_stats->tx_packets;
++      vsi->net_stats.tx_bytes = vsi_stats->tx_bytes;
++      vsi->net_stats.rx_packets = vsi_stats->rx_packets;
++      vsi->net_stats.rx_bytes = vsi_stats->rx_bytes;
++
++      kfree(vsi_stats);
+ }
+ 
+ /**
+diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c 
b/drivers/net/ethernet/xilinx/ll_temac_main.c
+index 4e45153959c791..ce0d2760a55e06 100644
+--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
++++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
+@@ -1299,7 +1299,7 @@ static int ll_temac_ethtools_set_ringparam(struct 
net_device *ndev,
+       if (ering->rx_pending > RX_BD_NUM_MAX ||
+           ering->rx_mini_pending ||
+           ering->rx_jumbo_pending ||
+-          ering->rx_pending > TX_BD_NUM_MAX)
++          ering->tx_pending > TX_BD_NUM_MAX)
+               return -EINVAL;
+ 
+       if (netif_running(ndev))
+diff --git a/drivers/net/phy/microchip.c b/drivers/net/phy/microchip.c
+index 230f2fcf9c46a1..f2860ec7ac17e6 100644
+--- a/drivers/net/phy/microchip.c
++++ b/drivers/net/phy/microchip.c
+@@ -351,7 +351,7 @@ static void lan88xx_link_change_notify(struct phy_device 
*phydev)
+        * As workaround, set to 10 before setting to 100
+        * at forced 100 F/H mode.
+        */
+-      if (!phydev->autoneg && phydev->speed == 100) {
++      if (phydev->state == PHY_NOLINK && !phydev->autoneg && phydev->speed == 
100) {
+               /* disable phy interrupt */
+               temp = phy_read(phydev, LAN88XX_INT_MASK);
+               temp &= ~LAN88XX_INT_MASK_MDINTPIN_EN_;
+diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c
+index 36dcf6c7f445d0..5c3ebb66fceb52 100644
+--- a/drivers/net/phy/smsc.c
++++ b/drivers/net/phy/smsc.c
+@@ -143,10 +143,29 @@ static int lan911x_config_init(struct phy_device *phydev)
+ 
+ static int lan87xx_config_aneg(struct phy_device *phydev)
+ {
+-      int rc;
++      u8 mdix_ctrl;
+       int val;
++      int rc;
+ 
+-      switch (phydev->mdix_ctrl) {
++      /* When auto-negotiation is disabled (forced mode), the PHY's
++       * Auto-MDIX will continue toggling the TX/RX pairs.
++       *
++       * To establish a stable link, we must select a fixed MDI mode.
++       * If the user has not specified a fixed MDI mode (i.e., mdix_ctrl is
++       * 'auto'), we default to ETH_TP_MDI. This choice of a ETH_TP_MDI mode
++       * mirrors the behavior the hardware would exhibit if the AUTOMDIX_EN
++       * strap were configured for a fixed MDI connection.
++       */
++      if (phydev->autoneg == AUTONEG_DISABLE) {
++              if (phydev->mdix_ctrl == ETH_TP_MDI_AUTO)
++                      mdix_ctrl = ETH_TP_MDI;
++              else
++                      mdix_ctrl = phydev->mdix_ctrl;
++      } else {
++              mdix_ctrl = phydev->mdix_ctrl;
++      }
++
++      switch (mdix_ctrl) {
+       case ETH_TP_MDI:
+               val = SPECIAL_CTRL_STS_OVRRD_AMDIX_;
+               break;
+@@ -155,7 +174,8 @@ static int lan87xx_config_aneg(struct phy_device *phydev)
+                       SPECIAL_CTRL_STS_AMDIX_STATE_;
+               break;
+       case ETH_TP_MDI_AUTO:
+-              val = SPECIAL_CTRL_STS_AMDIX_ENABLE_;
++              val = SPECIAL_CTRL_STS_OVRRD_AMDIX_ |
++                      SPECIAL_CTRL_STS_AMDIX_ENABLE_;
+               break;
+       default:
+               return genphy_config_aneg(phydev);
+@@ -171,7 +191,7 @@ static int lan87xx_config_aneg(struct phy_device *phydev)
+       rc |= val;
+       phy_write(phydev, SPECIAL_CTRL_STS, rc);
+ 
+-      phydev->mdix = phydev->mdix_ctrl;
++      phydev->mdix = mdix_ctrl;
+       return genphy_config_aneg(phydev);
+ }
+ 
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
+index 600a190f221287..d21d23f10d4228 100644
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -1421,6 +1421,7 @@ static const struct usb_device_id products[] = {
+       {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)},    /* HP lt4120 Snapdragon X5 LTE 
*/
+       {QMI_FIXED_INTF(0x22de, 0x9061, 3)},    /* WeTelecom WPD-600N */
+       {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E 
++ */
++      {QMI_QUIRK_SET_DTR(0x1e0e, 0x9071, 3)}, /* SIMCom 8230C ++ */
+       {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */
+       {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */
+       {QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */
+diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
+index d8138ad4f865a6..ed27dd5c7fc8d5 100644
+--- a/drivers/net/virtio_net.c
++++ b/drivers/net/virtio_net.c
+@@ -394,6 +394,26 @@ static unsigned int mergeable_ctx_to_truesize(void 
*mrg_ctx)
+       return (unsigned long)mrg_ctx & ((1 << MRG_CTX_HEADER_SHIFT) - 1);
+ }
+ 
++static int check_mergeable_len(struct net_device *dev, void *mrg_ctx,
++                             unsigned int len)
++{
++      unsigned int headroom, tailroom, room, truesize;
++
++      truesize = mergeable_ctx_to_truesize(mrg_ctx);
++      headroom = mergeable_ctx_to_headroom(mrg_ctx);
++      tailroom = headroom ? sizeof(struct skb_shared_info) : 0;
++      room = SKB_DATA_ALIGN(headroom + tailroom);
++
++      if (len > truesize - room) {
++              pr_debug("%s: rx error: len %u exceeds truesize %lu\n",
++                       dev->name, len, (unsigned long)(truesize - room));
++              dev->stats.rx_length_errors++;
++              return -1;
++      }
++
++      return 0;
++}
++
+ /* Called from bottom half context */
+ static struct sk_buff *page_to_skb(struct virtnet_info *vi,
+                                  struct receive_queue *rq,
+@@ -672,8 +692,9 @@ static unsigned int virtnet_get_headroom(struct 
virtnet_info *vi)
+  * across multiple buffers (num_buf > 1), and we make sure buffers
+  * have enough headroom.
+  */
+-static struct page *xdp_linearize_page(struct receive_queue *rq,
+-                                     u16 *num_buf,
++static struct page *xdp_linearize_page(struct net_device *dev,
++                                     struct receive_queue *rq,
++                                     int *num_buf,
+                                      struct page *p,
+                                      int offset,
+                                      int page_off,
+@@ -692,18 +713,27 @@ static struct page *xdp_linearize_page(struct 
receive_queue *rq,
+       memcpy(page_address(page) + page_off, page_address(p) + offset, *len);
+       page_off += *len;
+ 
++      /* Only mergeable mode can go inside this while loop. In small mode,
++       * *num_buf == 1, so it cannot go inside.
++       */
+       while (--*num_buf) {
+               unsigned int buflen;
+               void *buf;
++              void *ctx;
+               int off;
+ 
+-              buf = virtqueue_get_buf(rq->vq, &buflen);
++              buf = virtqueue_get_buf_ctx(rq->vq, &buflen, &ctx);
+               if (unlikely(!buf))
+                       goto err_buf;
+ 
+               p = virt_to_head_page(buf);
+               off = buf - page_address(p);
+ 
++              if (check_mergeable_len(dev, ctx, buflen)) {
++                      put_page(p);
++                      goto err_buf;
++              }
++
+               /* guard against a misconfigured or uncooperative backend that
+                * is sending packet larger than the MTU.
+                */
+@@ -771,14 +801,14 @@ static struct sk_buff *receive_small(struct net_device 
*dev,
+               if (unlikely(xdp_headroom < virtnet_get_headroom(vi))) {
+                       int offset = buf - page_address(page) + header_offset;
+                       unsigned int tlen = len + vi->hdr_len;
+-                      u16 num_buf = 1;
++                      int num_buf = 1;
+ 
+                       xdp_headroom = virtnet_get_headroom(vi);
+                       header_offset = VIRTNET_RX_PAD + xdp_headroom;
+                       headroom = vi->hdr_len + header_offset;
+                       buflen = SKB_DATA_ALIGN(GOOD_PACKET_LEN + headroom) +
+                                SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+-                      xdp_page = xdp_linearize_page(rq, &num_buf, page,
++                      xdp_page = xdp_linearize_page(dev, rq, &num_buf, page,
+                                                     offset, header_offset,
+                                                     &tlen);
+                       if (!xdp_page)
+@@ -949,10 +979,12 @@ static struct sk_buff *receive_mergeable(struct 
net_device *dev,
+               if (unlikely(num_buf > 1 ||
+                            headroom < virtnet_get_headroom(vi))) {
+                       /* linearize data for XDP */
+-                      xdp_page = xdp_linearize_page(rq, &num_buf,
++                      int _num_buf = num_buf;
++                      xdp_page = xdp_linearize_page(dev, rq, &_num_buf,
+                                                     page, offset,
+                                                     VIRTIO_XDP_HEADROOM,
+                                                     &len);
++                      num_buf = _num_buf;
+                       frame_sz = PAGE_SIZE;
+ 
+                       if (!xdp_page)
+diff --git a/drivers/net/wireless/zydas/zd1211rw/zd_mac.c 
b/drivers/net/wireless/zydas/zd1211rw/zd_mac.c
+index 3ef8533205f913..0a7f368f0d99ca 100644
+--- a/drivers/net/wireless/zydas/zd1211rw/zd_mac.c
++++ b/drivers/net/wireless/zydas/zd1211rw/zd_mac.c
+@@ -583,7 +583,11 @@ void zd_mac_tx_to_dev(struct sk_buff *skb, int error)
+ 
+               skb_queue_tail(q, skb);
+               while (skb_queue_len(q) > ZD_MAC_MAX_ACK_WAITERS) {
+-                      zd_mac_tx_status(hw, skb_dequeue(q),
++                      skb = skb_dequeue(q);
++                      if (!skb)
++                              break;
++
++                      zd_mac_tx_status(hw, skb,
+                                        mac->ack_pending ? mac->ack_signal : 0,
+                                        NULL);
+                       mac->ack_pending = 0;
+diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c 
b/drivers/pinctrl/qcom/pinctrl-msm.c
+index e753161428b4e2..676b16397b07cf 100644
+--- a/drivers/pinctrl/qcom/pinctrl-msm.c
++++ b/drivers/pinctrl/qcom/pinctrl-msm.c
+@@ -949,6 +949,25 @@ static bool 
msm_gpio_needs_dual_edge_parent_workaround(struct irq_data *d,
+              test_bit(d->hwirq, pctrl->skip_wake_irqs);
+ }
+ 
++static void msm_gpio_irq_init_valid_mask(struct gpio_chip *gc,
++                                       unsigned long *valid_mask,
++                                       unsigned int ngpios)
++{
++      struct msm_pinctrl *pctrl = gpiochip_get_data(gc);
++      const struct msm_pingroup *g;
++      int i;
++
++      bitmap_fill(valid_mask, ngpios);
++
++      for (i = 0; i < ngpios; i++) {
++              g = &pctrl->soc->groups[i];
++
++              if (g->intr_detection_width != 1 &&
++                  g->intr_detection_width != 2)
++                      clear_bit(i, valid_mask);
++      }
++}
++
+ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int type)
+ {
+       struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+@@ -1305,6 +1324,7 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl)
+       girq->default_type = IRQ_TYPE_NONE;
+       girq->handler = handle_bad_irq;
+       girq->parents[0] = pctrl->irq;
++      girq->init_valid_mask = msm_gpio_irq_init_valid_mask;
+ 
+       ret = gpiochip_add_data(&pctrl->chip, pctrl);
+       if (ret) {
+diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
+index bb764428bfe76e..d8a80b06a6f2ee 100644
+--- a/drivers/pwm/pwm-mediatek.c
++++ b/drivers/pwm/pwm-mediatek.c
+@@ -129,8 +129,10 @@ static int pwm_mediatek_config(struct pwm_chip *chip, 
struct pwm_device *pwm,
+               return ret;
+ 
+       clk_rate = clk_get_rate(pc->clk_pwms[pwm->hwpwm]);
+-      if (!clk_rate)
+-              return -EINVAL;
++      if (!clk_rate) {
++              ret = -EINVAL;
++              goto out;
++      }
+ 
+       /* Make sure we use the bus clock and not the 26MHz clock */
+       if (pc->soc->has_ck_26m_sel)
+@@ -149,9 +151,9 @@ static int pwm_mediatek_config(struct pwm_chip *chip, 
struct pwm_device *pwm,
+       }
+ 
+       if (clkdiv > PWM_CLK_DIV_MAX) {
+-              pwm_mediatek_clk_disable(chip, pwm);
+-              dev_err(chip->dev, "period %d not supported\n", period_ns);
+-              return -EINVAL;
++              dev_err(chip->dev, "period of %d ns not supported\n", 
period_ns);
++              ret = -EINVAL;
++              goto out;
+       }
+ 
+       if (pc->soc->pwm45_fixup && pwm->hwpwm > 2) {
+@@ -168,9 +170,10 @@ static int pwm_mediatek_config(struct pwm_chip *chip, 
struct pwm_device *pwm,
+       pwm_mediatek_writel(pc, pwm->hwpwm, reg_width, cnt_period);
+       pwm_mediatek_writel(pc, pwm->hwpwm, reg_thres, cnt_duty);
+ 
++out:
+       pwm_mediatek_clk_disable(chip, pwm);
+ 
+-      return 0;
++      return ret;
+ }
+ 
+ static int pwm_mediatek_enable(struct pwm_chip *chip, struct pwm_device *pwm)
+diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c 
b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+index 6aa5fe9736138e..1c479c72b7d2e0 100644
+--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
++++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+@@ -469,7 +469,7 @@ static void int3400_setup_gddv(struct int3400_thermal_priv 
*priv)
+       priv->data_vault = kmemdup(obj->package.elements[0].buffer.pointer,
+                                  obj->package.elements[0].buffer.length,
+                                  GFP_KERNEL);
+-      if (!priv->data_vault) {
++      if (ZERO_OR_NULL_PTR(priv->data_vault)) {
+               kfree(buffer.pointer);
+               return;
+       }
+@@ -540,7 +540,7 @@ static int int3400_thermal_probe(struct platform_device 
*pdev)
+                       goto free_imok;
+       }
+ 
+-      if (priv->data_vault) {
++      if (!ZERO_OR_NULL_PTR(priv->data_vault)) {
+               result = sysfs_create_group(&pdev->dev.kobj,
+                                           &data_attribute_group);
+               if (result)
+@@ -558,7 +558,8 @@ static int int3400_thermal_probe(struct platform_device 
*pdev)
+ free_sysfs:
+       cleanup_odvp(priv);
+       if (priv->data_vault) {
+-              sysfs_remove_group(&pdev->dev.kobj, &data_attribute_group);
++              if (!ZERO_OR_NULL_PTR(priv->data_vault))
++                      sysfs_remove_group(&pdev->dev.kobj, 
&data_attribute_group);
+               kfree(priv->data_vault);
+       }
+ free_uuid:
+@@ -590,7 +591,7 @@ static int int3400_thermal_remove(struct platform_device 
*pdev)
+       if (!priv->rel_misc_dev_res)
+               acpi_thermal_rel_misc_device_remove(priv->adev->handle);
+ 
+-      if (priv->data_vault)
++      if (!ZERO_OR_NULL_PTR(priv->data_vault))
+               sysfs_remove_group(&pdev->dev.kobj, &data_attribute_group);
+       sysfs_remove_group(&pdev->dev.kobj, &uuid_attribute_group);
+       sysfs_remove_group(&pdev->dev.kobj, &imok_attribute_group);
+diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
+index 141acc662eba9f..6a11a4177a16fc 100644
+--- a/drivers/tty/hvc/hvc_xen.c
++++ b/drivers/tty/hvc/hvc_xen.c
+@@ -270,7 +270,7 @@ static int xen_hvm_console_init(void)
+       if (r < 0 || v == 0)
+               goto err;
+       gfn = v;
+-      info->intf = xen_remap(gfn << XEN_PAGE_SHIFT, XEN_PAGE_SIZE);
++      info->intf = memremap(gfn << XEN_PAGE_SHIFT, XEN_PAGE_SIZE, 
MEMREMAP_WB);
+       if (info->intf == NULL)
+               goto err;
+       info->vtermno = HVC_COOKIE;
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
+index a6e0c803e96ec1..a10b7ebbbe918b 100644
+--- a/drivers/tty/vt/vt.c
++++ b/drivers/tty/vt/vt.c
+@@ -4443,6 +4443,7 @@ void do_unblank_screen(int leaving_gfx)
+       set_palette(vc);
+       set_cursor(vc);
+       vt_event_post(VT_EVENT_UNBLANK, vc->vc_num, vc->vc_num);
++      notify_update(vc);
+ }
+ EXPORT_SYMBOL(do_unblank_screen);
+ 
+diff --git a/drivers/usb/cdns3/cdnsp-debug.h b/drivers/usb/cdns3/cdnsp-debug.h
+index f0ca865cce2a09..86860686d8363e 100644
+--- a/drivers/usb/cdns3/cdnsp-debug.h
++++ b/drivers/usb/cdns3/cdnsp-debug.h
+@@ -131,8 +131,6 @@ static inline const char *cdnsp_trb_type_string(u8 type)
+               return "Endpoint Not ready";
+       case TRB_HALT_ENDPOINT:
+               return "Halt Endpoint";
+-      case TRB_FLUSH_ENDPOINT:
+-              return "FLush Endpoint";
+       default:
+               return "UNKNOWN";
+       }
+@@ -189,203 +187,203 @@ static inline const char *cdnsp_decode_trb(char *str, 
size_t size, u32 field0,
+ 
+       switch (type) {
+       case TRB_LINK:
+-              ret = snprintf(str, size,
+-                             "LINK %08x%08x intr %ld type '%s' flags 
%c:%c:%c:%c",
+-                             field1, field0, GET_INTR_TARGET(field2),
+-                             cdnsp_trb_type_string(type),
+-                             field3 & TRB_IOC ? 'I' : 'i',
+-                             field3 & TRB_CHAIN ? 'C' : 'c',
+-                             field3 & TRB_TC ? 'T' : 't',
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "LINK %08x%08x intr %ld type '%s' flags 
%c:%c:%c:%c",
++                              field1, field0, GET_INTR_TARGET(field2),
++                              cdnsp_trb_type_string(type),
++                              field3 & TRB_IOC ? 'I' : 'i',
++                              field3 & TRB_CHAIN ? 'C' : 'c',
++                              field3 & TRB_TC ? 'T' : 't',
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_TRANSFER:
+       case TRB_COMPLETION:
+       case TRB_PORT_STATUS:
+       case TRB_HC_EVENT:
+-              ret = snprintf(str, size,
+-                             "ep%d%s(%d) type '%s' TRB %08x%08x status '%s'"
+-                             " len %ld slot %ld flags %c:%c",
+-                             ep_num, ep_id % 2 ? "out" : "in",
+-                             TRB_TO_EP_INDEX(field3),
+-                             cdnsp_trb_type_string(type), field1, field0,
+-                             
cdnsp_trb_comp_code_string(GET_COMP_CODE(field2)),
+-                             EVENT_TRB_LEN(field2), TRB_TO_SLOT_ID(field3),
+-                             field3 & EVENT_DATA ? 'E' : 'e',
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "ep%d%s(%d) type '%s' TRB %08x%08x status '%s'"
++                              " len %ld slot %ld flags %c:%c",
++                              ep_num, ep_id % 2 ? "out" : "in",
++                              TRB_TO_EP_INDEX(field3),
++                              cdnsp_trb_type_string(type), field1, field0,
++                              
cdnsp_trb_comp_code_string(GET_COMP_CODE(field2)),
++                              EVENT_TRB_LEN(field2), TRB_TO_SLOT_ID(field3),
++                              field3 & EVENT_DATA ? 'E' : 'e',
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_MFINDEX_WRAP:
+-              ret = snprintf(str, size, "%s: flags %c",
+-                             cdnsp_trb_type_string(type),
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size, "%s: flags %c",
++                              cdnsp_trb_type_string(type),
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_SETUP:
+-              ret = snprintf(str, size,
+-                             "type '%s' bRequestType %02x bRequest %02x "
+-                             "wValue %02x%02x wIndex %02x%02x wLength %d "
+-                             "length %ld TD size %ld intr %ld Setup ID %ld "
+-                             "flags %c:%c:%c",
+-                             cdnsp_trb_type_string(type),
+-                             field0 & 0xff,
+-                             (field0 & 0xff00) >> 8,
+-                             (field0 & 0xff000000) >> 24,
+-                             (field0 & 0xff0000) >> 16,
+-                             (field1 & 0xff00) >> 8,
+-                             field1 & 0xff,
+-                             (field1 & 0xff000000) >> 16 |
+-                             (field1 & 0xff0000) >> 16,
+-                             TRB_LEN(field2), GET_TD_SIZE(field2),
+-                             GET_INTR_TARGET(field2),
+-                             TRB_SETUPID_TO_TYPE(field3),
+-                             field3 & TRB_IDT ? 'D' : 'd',
+-                             field3 & TRB_IOC ? 'I' : 'i',
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "type '%s' bRequestType %02x bRequest %02x "
++                              "wValue %02x%02x wIndex %02x%02x wLength %d "
++                              "length %ld TD size %ld intr %ld Setup ID %ld "
++                              "flags %c:%c:%c",
++                              cdnsp_trb_type_string(type),
++                              field0 & 0xff,
++                              (field0 & 0xff00) >> 8,
++                              (field0 & 0xff000000) >> 24,
++                              (field0 & 0xff0000) >> 16,
++                              (field1 & 0xff00) >> 8,
++                              field1 & 0xff,
++                              (field1 & 0xff000000) >> 16 |
++                              (field1 & 0xff0000) >> 16,
++                              TRB_LEN(field2), GET_TD_SIZE(field2),
++                              GET_INTR_TARGET(field2),
++                              TRB_SETUPID_TO_TYPE(field3),
++                              field3 & TRB_IDT ? 'D' : 'd',
++                              field3 & TRB_IOC ? 'I' : 'i',
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_DATA:
+-              ret = snprintf(str, size,
+-                             "type '%s' Buffer %08x%08x length %ld TD size 
%ld "
+-                             "intr %ld flags %c:%c:%c:%c:%c:%c:%c",
+-                             cdnsp_trb_type_string(type),
+-                             field1, field0, TRB_LEN(field2),
+-                             GET_TD_SIZE(field2),
+-                             GET_INTR_TARGET(field2),
+-                             field3 & TRB_IDT ? 'D' : 'i',
+-                             field3 & TRB_IOC ? 'I' : 'i',
+-                             field3 & TRB_CHAIN ? 'C' : 'c',
+-                             field3 & TRB_NO_SNOOP ? 'S' : 's',
+-                             field3 & TRB_ISP ? 'I' : 'i',
+-                             field3 & TRB_ENT ? 'E' : 'e',
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "type '%s' Buffer %08x%08x length %ld TD size 
%ld "
++                              "intr %ld flags %c:%c:%c:%c:%c:%c:%c",
++                              cdnsp_trb_type_string(type),
++                              field1, field0, TRB_LEN(field2),
++                              GET_TD_SIZE(field2),
++                              GET_INTR_TARGET(field2),
++                              field3 & TRB_IDT ? 'D' : 'i',
++                              field3 & TRB_IOC ? 'I' : 'i',
++                              field3 & TRB_CHAIN ? 'C' : 'c',
++                              field3 & TRB_NO_SNOOP ? 'S' : 's',
++                              field3 & TRB_ISP ? 'I' : 'i',
++                              field3 & TRB_ENT ? 'E' : 'e',
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_STATUS:
+-              ret = snprintf(str, size,
+-                             "Buffer %08x%08x length %ld TD size %ld intr"
+-                             "%ld type '%s' flags %c:%c:%c:%c",
+-                             field1, field0, TRB_LEN(field2),
+-                             GET_TD_SIZE(field2),
+-                             GET_INTR_TARGET(field2),
+-                             cdnsp_trb_type_string(type),
+-                             field3 & TRB_IOC ? 'I' : 'i',
+-                             field3 & TRB_CHAIN ? 'C' : 'c',
+-                             field3 & TRB_ENT ? 'E' : 'e',
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "Buffer %08x%08x length %ld TD size %ld intr"
++                              "%ld type '%s' flags %c:%c:%c:%c",
++                              field1, field0, TRB_LEN(field2),
++                              GET_TD_SIZE(field2),
++                              GET_INTR_TARGET(field2),
++                              cdnsp_trb_type_string(type),
++                              field3 & TRB_IOC ? 'I' : 'i',
++                              field3 & TRB_CHAIN ? 'C' : 'c',
++                              field3 & TRB_ENT ? 'E' : 'e',
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_NORMAL:
+       case TRB_ISOC:
+       case TRB_EVENT_DATA:
+       case TRB_TR_NOOP:
+-              ret = snprintf(str, size,
+-                             "type '%s' Buffer %08x%08x length %ld "
+-                             "TD size %ld intr %ld "
+-                             "flags %c:%c:%c:%c:%c:%c:%c:%c:%c",
+-                             cdnsp_trb_type_string(type),
+-                             field1, field0, TRB_LEN(field2),
+-                             GET_TD_SIZE(field2),
+-                             GET_INTR_TARGET(field2),
+-                             field3 & TRB_BEI ? 'B' : 'b',
+-                             field3 & TRB_IDT ? 'T' : 't',
+-                             field3 & TRB_IOC ? 'I' : 'i',
+-                             field3 & TRB_CHAIN ? 'C' : 'c',
+-                             field3 & TRB_NO_SNOOP ? 'S' : 's',
+-                             field3 & TRB_ISP ? 'I' : 'i',
+-                             field3 & TRB_ENT ? 'E' : 'e',
+-                             field3 & TRB_CYCLE ? 'C' : 'c',
+-                             !(field3 & TRB_EVENT_INVALIDATE) ? 'V' : 'v');
++              ret = scnprintf(str, size,
++                              "type '%s' Buffer %08x%08x length %ld "
++                              "TD size %ld intr %ld "
++                              "flags %c:%c:%c:%c:%c:%c:%c:%c:%c",
++                              cdnsp_trb_type_string(type),
++                              field1, field0, TRB_LEN(field2),
++                              GET_TD_SIZE(field2),
++                              GET_INTR_TARGET(field2),
++                              field3 & TRB_BEI ? 'B' : 'b',
++                              field3 & TRB_IDT ? 'T' : 't',
++                              field3 & TRB_IOC ? 'I' : 'i',
++                              field3 & TRB_CHAIN ? 'C' : 'c',
++                              field3 & TRB_NO_SNOOP ? 'S' : 's',
++                              field3 & TRB_ISP ? 'I' : 'i',
++                              field3 & TRB_ENT ? 'E' : 'e',
++                              field3 & TRB_CYCLE ? 'C' : 'c',
++                              !(field3 & TRB_EVENT_INVALIDATE) ? 'V' : 'v');
+               break;
+       case TRB_CMD_NOOP:
+       case TRB_ENABLE_SLOT:
+-              ret = snprintf(str, size, "%s: flags %c",
+-                             cdnsp_trb_type_string(type),
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size, "%s: flags %c",
++                              cdnsp_trb_type_string(type),
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_DISABLE_SLOT:
+-              ret = snprintf(str, size, "%s: slot %ld flags %c",
+-                             cdnsp_trb_type_string(type),
+-                             TRB_TO_SLOT_ID(field3),
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size, "%s: slot %ld flags %c",
++                              cdnsp_trb_type_string(type),
++                              TRB_TO_SLOT_ID(field3),
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_ADDR_DEV:
+-              ret = snprintf(str, size,
+-                             "%s: ctx %08x%08x slot %ld flags %c:%c",
+-                             cdnsp_trb_type_string(type), field1, field0,
+-                             TRB_TO_SLOT_ID(field3),
+-                             field3 & TRB_BSR ? 'B' : 'b',
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "%s: ctx %08x%08x slot %ld flags %c:%c",
++                              cdnsp_trb_type_string(type), field1, field0,
++                              TRB_TO_SLOT_ID(field3),
++                              field3 & TRB_BSR ? 'B' : 'b',
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_CONFIG_EP:
+-              ret = snprintf(str, size,
+-                             "%s: ctx %08x%08x slot %ld flags %c:%c",
+-                             cdnsp_trb_type_string(type), field1, field0,
+-                             TRB_TO_SLOT_ID(field3),
+-                             field3 & TRB_DC ? 'D' : 'd',
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "%s: ctx %08x%08x slot %ld flags %c:%c",
++                              cdnsp_trb_type_string(type), field1, field0,
++                              TRB_TO_SLOT_ID(field3),
++                              field3 & TRB_DC ? 'D' : 'd',
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_EVAL_CONTEXT:
+-              ret = snprintf(str, size,
+-                             "%s: ctx %08x%08x slot %ld flags %c",
+-                             cdnsp_trb_type_string(type), field1, field0,
+-                             TRB_TO_SLOT_ID(field3),
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "%s: ctx %08x%08x slot %ld flags %c",
++                              cdnsp_trb_type_string(type), field1, field0,
++                              TRB_TO_SLOT_ID(field3),
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_RESET_EP:
+       case TRB_HALT_ENDPOINT:
+-      case TRB_FLUSH_ENDPOINT:
+-              ret = snprintf(str, size,
+-                             "%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c",
+-                             cdnsp_trb_type_string(type),
+-                             ep_num, ep_id % 2 ? "out" : "in",
+-                             TRB_TO_EP_INDEX(field3), field1, field0,
+-                             TRB_TO_SLOT_ID(field3),
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c 
%c",
++                              cdnsp_trb_type_string(type),
++                              ep_num, ep_id % 2 ? "out" : "in",
++                              TRB_TO_EP_INDEX(field3), field1, field0,
++                              TRB_TO_SLOT_ID(field3),
++                              field3 & TRB_CYCLE ? 'C' : 'c',
++                              field3 & TRB_ESP ? 'P' : 'p');
+               break;
+       case TRB_STOP_RING:
+-              ret = snprintf(str, size,
+-                             "%s: ep%d%s(%d) slot %ld sp %d flags %c",
+-                             cdnsp_trb_type_string(type),
+-                             ep_num, ep_id % 2 ? "out" : "in",
+-                             TRB_TO_EP_INDEX(field3),
+-                             TRB_TO_SLOT_ID(field3),
+-                             TRB_TO_SUSPEND_PORT(field3),
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "%s: ep%d%s(%d) slot %ld sp %d flags %c",
++                              cdnsp_trb_type_string(type),
++                              ep_num, ep_id % 2 ? "out" : "in",
++                              TRB_TO_EP_INDEX(field3),
++                              TRB_TO_SLOT_ID(field3),
++                              TRB_TO_SUSPEND_PORT(field3),
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_SET_DEQ:
+-              ret = snprintf(str, size,
+-                             "%s: ep%d%s(%d) deq %08x%08x stream %ld slot %ld 
 flags %c",
+-                             cdnsp_trb_type_string(type),
+-                             ep_num, ep_id % 2 ? "out" : "in",
+-                             TRB_TO_EP_INDEX(field3), field1, field0,
+-                             TRB_TO_STREAM_ID(field2),
+-                             TRB_TO_SLOT_ID(field3),
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "%s: ep%d%s(%d) deq %08x%08x stream %ld slot 
%ld  flags %c",
++                              cdnsp_trb_type_string(type),
++                              ep_num, ep_id % 2 ? "out" : "in",
++                              TRB_TO_EP_INDEX(field3), field1, field0,
++                              TRB_TO_STREAM_ID(field2),
++                              TRB_TO_SLOT_ID(field3),
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_RESET_DEV:
+-              ret = snprintf(str, size, "%s: slot %ld flags %c",
+-                             cdnsp_trb_type_string(type),
+-                             TRB_TO_SLOT_ID(field3),
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size, "%s: slot %ld flags %c",
++                              cdnsp_trb_type_string(type),
++                              TRB_TO_SLOT_ID(field3),
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       case TRB_ENDPOINT_NRDY:
+               temp = TRB_TO_HOST_STREAM(field2);
+ 
+-              ret = snprintf(str, size,
+-                             "%s: ep%d%s(%d) H_SID %x%s%s D_SID %lx flags 
%c:%c",
+-                             cdnsp_trb_type_string(type),
+-                             ep_num, ep_id % 2 ? "out" : "in",
+-                             TRB_TO_EP_INDEX(field3), temp,
+-                             temp == STREAM_PRIME_ACK ? "(PRIME)" : "",
+-                             temp == STREAM_REJECTED ? "(REJECTED)" : "",
+-                             TRB_TO_DEV_STREAM(field0),
+-                             field3 & TRB_STAT ? 'S' : 's',
+-                             field3 & TRB_CYCLE ? 'C' : 'c');
++              ret = scnprintf(str, size,
++                              "%s: ep%d%s(%d) H_SID %x%s%s D_SID %lx flags 
%c:%c",
++                              cdnsp_trb_type_string(type),
++                              ep_num, ep_id % 2 ? "out" : "in",
++                              TRB_TO_EP_INDEX(field3), temp,
++                              temp == STREAM_PRIME_ACK ? "(PRIME)" : "",
++                              temp == STREAM_REJECTED ? "(REJECTED)" : "",
++                              TRB_TO_DEV_STREAM(field0),
++                              field3 & TRB_STAT ? 'S' : 's',
++                              field3 & TRB_CYCLE ? 'C' : 'c');
+               break;
+       default:
+-              ret = snprintf(str, size,
+-                             "type '%s' -> raw %08x %08x %08x %08x",
+-                             cdnsp_trb_type_string(type),
+-                             field0, field1, field2, field3);
++              ret = scnprintf(str, size,
++                              "type '%s' -> raw %08x %08x %08x %08x",
++                              cdnsp_trb_type_string(type),
++                              field0, field1, field2, field3);
+       }
+ 
+-      if (ret >= size)
+-              pr_info("CDNSP: buffer overflowed.\n");
++      if (ret == size - 1)
++              pr_info("CDNSP: buffer may be truncated.\n");
+ 
+       return str;
+ }
+@@ -468,32 +466,32 @@ static inline const char *cdnsp_decode_portsc(char *str, 
size_t size,
+ {
+       int ret;
+ 
+-      ret = snprintf(str, size, "%s %s %s Link:%s PortSpeed:%d ",
+-                     portsc & PORT_POWER ? "Powered" : "Powered-off",
+-                     portsc & PORT_CONNECT ? "Connected" : "Not-connected",
+-                     portsc & PORT_PED ? "Enabled" : "Disabled",
+-                     cdnsp_portsc_link_state_string(portsc),
+-                     DEV_PORT_SPEED(portsc));
++      ret = scnprintf(str, size, "%s %s %s Link:%s PortSpeed:%d ",
++                      portsc & PORT_POWER ? "Powered" : "Powered-off",
++                      portsc & PORT_CONNECT ? "Connected" : "Not-connected",
++                      portsc & PORT_PED ? "Enabled" : "Disabled",
++                      cdnsp_portsc_link_state_string(portsc),
++                      DEV_PORT_SPEED(portsc));
+ 
+       if (portsc & PORT_RESET)
+-              ret += snprintf(str + ret, size - ret, "In-Reset ");
++              ret += scnprintf(str + ret, size - ret, "In-Reset ");
+ 
+-      ret += snprintf(str + ret, size - ret, "Change: ");
++      ret += scnprintf(str + ret, size - ret, "Change: ");
+       if (portsc & PORT_CSC)
+-              ret += snprintf(str + ret, size - ret, "CSC ");
++              ret += scnprintf(str + ret, size - ret, "CSC ");
+       if (portsc & PORT_WRC)
+-              ret += snprintf(str + ret, size - ret, "WRC ");
++              ret += scnprintf(str + ret, size - ret, "WRC ");
+       if (portsc & PORT_RC)
+-              ret += snprintf(str + ret, size - ret, "PRC ");
++              ret += scnprintf(str + ret, size - ret, "PRC ");
+       if (portsc & PORT_PLC)
+-              ret += snprintf(str + ret, size - ret, "PLC ");
++              ret += scnprintf(str + ret, size - ret, "PLC ");
+       if (portsc & PORT_CEC)
+-              ret += snprintf(str + ret, size - ret, "CEC ");
+-      ret += snprintf(str + ret, size - ret, "Wake: ");
++              ret += scnprintf(str + ret, size - ret, "CEC ");
++      ret += scnprintf(str + ret, size - ret, "Wake: ");
+       if (portsc & PORT_WKCONN_E)
+-              ret += snprintf(str + ret, size - ret, "WCE ");
++              ret += scnprintf(str + ret, size - ret, "WCE ");
+       if (portsc & PORT_WKDISC_E)
+-              ret += snprintf(str + ret, size - ret, "WDE ");
++              ret += scnprintf(str + ret, size - ret, "WDE ");
+ 
+       return str;
+ }
+@@ -565,20 +563,20 @@ static inline const char *cdnsp_decode_ep_context(char 
*str, size_t size,
+ 
+       avg = EP_AVG_TRB_LENGTH(tx_info);
+ 
+-      ret = snprintf(str, size, "State %s mult %d max P. Streams %d %s",
+-                     cdnsp_ep_state_string(ep_state), mult,
+-                     max_pstr, lsa ? "LSA " : "");
++      ret = scnprintf(str, size, "State %s mult %d max P. Streams %d %s",
++                      cdnsp_ep_state_string(ep_state), mult,
++                      max_pstr, lsa ? "LSA " : "");
+ 
+-      ret += snprintf(str + ret, size - ret,
+-                      "interval %d us max ESIT payload %d CErr %d ",
+-                      (1 << interval) * 125, esit, cerr);
++      ret += scnprintf(str + ret, size - ret,
++                       "interval %d us max ESIT payload %d CErr %d ",
++                       (1 << interval) * 125, esit, cerr);
+ 
+-      ret += snprintf(str + ret, size - ret,
+-                      "Type %s %sburst %d maxp %d deq %016llx ",
+-                      cdnsp_ep_type_string(ep_type), hid ? "HID" : "",
+-                      burst, maxp, deq);
++      ret += scnprintf(str + ret, size - ret,
++                       "Type %s %sburst %d maxp %d deq %016llx ",
++                       cdnsp_ep_type_string(ep_type), hid ? "HID" : "",
++                       burst, maxp, deq);
+ 
+-      ret += snprintf(str + ret, size - ret, "avg trb len %d", avg);
++      ret += scnprintf(str + ret, size - ret, "avg trb len %d", avg);
+ 
+       return str;
+ }
+diff --git a/drivers/usb/cdns3/cdnsp-ep0.c b/drivers/usb/cdns3/cdnsp-ep0.c
+index f317d3c8478108..5cd9b898ce971f 100644
+--- a/drivers/usb/cdns3/cdnsp-ep0.c
++++ b/drivers/usb/cdns3/cdnsp-ep0.c
+@@ -414,6 +414,7 @@ static int cdnsp_ep0_std_request(struct cdnsp_device *pdev,
+ void cdnsp_setup_analyze(struct cdnsp_device *pdev)
+ {
+       struct usb_ctrlrequest *ctrl = &pdev->setup;
++      struct cdnsp_ep *pep;
+       int ret = -EINVAL;
+       u16 len;
+ 
+@@ -427,10 +428,21 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev)
+               goto out;
+       }
+ 
++      pep = &pdev->eps[0];
++
+       /* Restore the ep0 to Stopped/Running state. */
+-      if (pdev->eps[0].ep_state & EP_HALTED) {
+-              trace_cdnsp_ep0_halted("Restore to normal state");
+-              cdnsp_halt_endpoint(pdev, &pdev->eps[0], 0);
++      if (pep->ep_state & EP_HALTED) {
++              if (GET_EP_CTX_STATE(pep->out_ctx) == EP_STATE_HALTED)
++                      cdnsp_halt_endpoint(pdev, pep, 0);
++
++              /*
++               * Halt Endpoint Command for SSP2 for ep0 preserve current
++               * endpoint state and driver has to synchronize the
++               * software endpoint state with endpoint output context
++               * state.
++               */
++              pep->ep_state &= ~EP_HALTED;
++              pep->ep_state |= EP_STOPPED;
+       }
+ 
+       /*
+diff --git a/drivers/usb/cdns3/cdnsp-gadget.c 
b/drivers/usb/cdns3/cdnsp-gadget.c
+index 1e9aee824eb7da..1de82fb9dcb489 100644
+--- a/drivers/usb/cdns3/cdnsp-gadget.c
++++ b/drivers/usb/cdns3/cdnsp-gadget.c
+@@ -1061,10 +1061,8 @@ static int cdnsp_gadget_ep_disable(struct usb_ep *ep)
+       pep->ep_state |= EP_DIS_IN_RROGRESS;
+ 
+       /* Endpoint was unconfigured by Reset Device command. */
+-      if (!(pep->ep_state & EP_UNCONFIGURED)) {
++      if (!(pep->ep_state & EP_UNCONFIGURED))
+               cdnsp_cmd_stop_ep(pdev, pep);
+-              cdnsp_cmd_flush_ep(pdev, pep);
+-      }
+ 
+       /* Remove all queued USB requests. */
+       while (!list_empty(&pep->pending_list)) {
+@@ -1464,8 +1462,6 @@ static void cdnsp_stop(struct cdnsp_device *pdev)
+ {
+       u32 temp;
+ 
+-      cdnsp_cmd_flush_ep(pdev, &pdev->eps[0]);
+-
+       /* Remove internally queued request for ep0. */
+       if (!list_empty(&pdev->eps[0].pending_list)) {
+               struct cdnsp_request *req;
+diff --git a/drivers/usb/cdns3/cdnsp-gadget.h 
b/drivers/usb/cdns3/cdnsp-gadget.h
+index 2998548177aba2..155fd770a8cd9b 100644
+--- a/drivers/usb/cdns3/cdnsp-gadget.h
++++ b/drivers/usb/cdns3/cdnsp-gadget.h
+@@ -987,6 +987,12 @@ enum cdnsp_setup_dev {
+ #define STREAM_ID_FOR_TRB(p)          ((((p)) << 16) & GENMASK(31, 16))
+ #define SCT_FOR_TRB(p)                        (((p) << 1) & 0x7)
+ 
++/*
++ * Halt Endpoint Command TRB field.
++ * The ESP bit only exists in the SSP2 controller.
++ */
++#define TRB_ESP                               BIT(9)
++
+ /* Link TRB specific fields. */
+ #define TRB_TC                                BIT(1)
+ 
+@@ -1138,8 +1144,6 @@ union cdnsp_trb {
+ #define TRB_HALT_ENDPOINT     54
+ /* Doorbell Overflow Event. */
+ #define TRB_DRB_OVERFLOW      57
+-/* Flush Endpoint Command. */
+-#define TRB_FLUSH_ENDPOINT    58
+ 
+ #define TRB_TYPE_LINK(x)      (((x) & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK))
+ #define TRB_TYPE_LINK_LE32(x) (((x) & cpu_to_le32(TRB_TYPE_BITMASK)) == \
+@@ -1552,8 +1556,6 @@ void cdnsp_queue_configure_endpoint(struct cdnsp_device 
*pdev,
+ void cdnsp_queue_reset_ep(struct cdnsp_device *pdev, unsigned int ep_index);
+ void cdnsp_queue_halt_endpoint(struct cdnsp_device *pdev,
+                              unsigned int ep_index);
+-void cdnsp_queue_flush_endpoint(struct cdnsp_device *pdev,
+-                              unsigned int ep_index);
+ void cdnsp_force_header_wakeup(struct cdnsp_device *pdev, int intf_num);
+ void cdnsp_queue_reset_device(struct cdnsp_device *pdev);
+ void cdnsp_queue_new_dequeue_state(struct cdnsp_device *pdev,
+@@ -1587,7 +1589,6 @@ void cdnsp_irq_reset(struct cdnsp_device *pdev);
+ int cdnsp_halt_endpoint(struct cdnsp_device *pdev,
+                       struct cdnsp_ep *pep, int value);
+ int cdnsp_cmd_stop_ep(struct cdnsp_device *pdev, struct cdnsp_ep *pep);
+-int cdnsp_cmd_flush_ep(struct cdnsp_device *pdev, struct cdnsp_ep *pep);
+ void cdnsp_setup_analyze(struct cdnsp_device *pdev);
+ int cdnsp_status_stage(struct cdnsp_device *pdev);
+ int cdnsp_reset_device(struct cdnsp_device *pdev);
+diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
+index c9ad4280f4ba23..42db256978bcc8 100644
+--- a/drivers/usb/cdns3/cdnsp-ring.c
++++ b/drivers/usb/cdns3/cdnsp-ring.c
+@@ -2157,19 +2157,6 @@ int cdnsp_cmd_stop_ep(struct cdnsp_device *pdev, struct 
cdnsp_ep *pep)
+       return ret;
+ }
+ 
+-int cdnsp_cmd_flush_ep(struct cdnsp_device *pdev, struct cdnsp_ep *pep)
+-{
+-      int ret;
+-
+-      cdnsp_queue_flush_endpoint(pdev, pep->idx);
+-      cdnsp_ring_cmd_db(pdev);
+-      ret = cdnsp_wait_for_cmd_compl(pdev);
+-
+-      trace_cdnsp_handle_cmd_flush_ep(pep->out_ctx);
+-
+-      return ret;
+-}
+-
+ /*
+  * The transfer burst count field of the isochronous TRB defines the number of
+  * bursts that are required to move all packets in this TD. Only SuperSpeed
+@@ -2488,18 +2475,8 @@ void cdnsp_queue_halt_endpoint(struct cdnsp_device 
*pdev, unsigned int ep_index)
+ {
+       cdnsp_queue_command(pdev, 0, 0, 0, TRB_TYPE(TRB_HALT_ENDPOINT) |
+                           SLOT_ID_FOR_TRB(pdev->slot_id) |
+-                          EP_ID_FOR_TRB(ep_index));
+-}
+-
+-/*
+- * Queue a flush endpoint request on the command ring.
+- */
+-void  cdnsp_queue_flush_endpoint(struct cdnsp_device *pdev,
+-                               unsigned int ep_index)
+-{
+-      cdnsp_queue_command(pdev, 0, 0, 0, TRB_TYPE(TRB_FLUSH_ENDPOINT) |
+-                          SLOT_ID_FOR_TRB(pdev->slot_id) |
+-                          EP_ID_FOR_TRB(ep_index));
++                          EP_ID_FOR_TRB(ep_index) |
++                          (!ep_index ? TRB_ESP : 0));
+ }
+ 
+ void cdnsp_force_header_wakeup(struct cdnsp_device *pdev, int intf_num)
+diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
+index bb20d8dd187918..488cb16acd67ef 100644
+--- a/drivers/usb/dwc3/core.c
++++ b/drivers/usb/dwc3/core.c
+@@ -1818,6 +1818,7 @@ static int dwc3_core_init_for_resume(struct dwc3 *dwc)
+ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
+ {
+       u32 reg;
++      int ret;
+ 
+       if (!pm_runtime_suspended(dwc->dev) && !PMSG_IS_AUTO(msg)) {
+               dwc->susphy_state = (dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)) 
&
+@@ -1836,7 +1837,9 @@ static int dwc3_suspend_common(struct dwc3 *dwc, 
pm_message_t msg)
+       case DWC3_GCTL_PRTCAP_DEVICE:
+               if (pm_runtime_suspended(dwc->dev))
+                       break;
+-              dwc3_gadget_suspend(dwc);
++              ret = dwc3_gadget_suspend(dwc);
++              if (ret)
++                      return ret;
+               synchronize_irq(dwc->irq_gadget);
+               dwc3_core_exit(dwc);
+               break;
+@@ -1867,7 +1870,9 @@ static int dwc3_suspend_common(struct dwc3 *dwc, 
pm_message_t msg)
+                       break;
+ 
+               if (dwc->current_otg_role == DWC3_OTG_ROLE_DEVICE) {
+-                      dwc3_gadget_suspend(dwc);
++                      ret = dwc3_gadget_suspend(dwc);
++                      if (ret)
++                              return ret;
+                       synchronize_irq(dwc->irq_gadget);
+               }
+ 
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index a99e669468ee30..44bb3770f8bb23 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -4580,26 +4580,22 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
+       int ret;
+ 
+       ret = dwc3_gadget_soft_disconnect(dwc);
+-      if (ret)
+-              goto err;
+-
+-      spin_lock_irqsave(&dwc->lock, flags);
+-      if (dwc->gadget_driver)
+-              dwc3_disconnect_gadget(dwc);
+-      spin_unlock_irqrestore(&dwc->lock, flags);
+-
+-      return 0;
+-
+-err:
+       /*
+        * Attempt to reset the controller's state. Likely no
+        * communication can be established until the host
+        * performs a port reset.
+        */
+-      if (dwc->softconnect)
++      if (ret && dwc->softconnect) {
+               dwc3_gadget_soft_connect(dwc);
++              return -EAGAIN;
++      }
+ 
+-      return ret;
++      spin_lock_irqsave(&dwc->lock, flags);
++      if (dwc->gadget_driver)
++              dwc3_disconnect_gadget(dwc);
++      spin_unlock_irqrestore(&dwc->lock, flags);
++
++      return 0;
+ }
+ 
+ int dwc3_gadget_resume(struct dwc3 *dwc)
+diff --git a/drivers/usb/gadget/function/u_serial.c 
b/drivers/usb/gadget/function/u_serial.c
+index 37ba396d5473fb..2e5ce075935a9d 100644
+--- a/drivers/usb/gadget/function/u_serial.c
++++ b/drivers/usb/gadget/function/u_serial.c
+@@ -290,8 +290,8 @@ __acquires(&port->port_lock)
+                       break;
+       }
+ 
+-      if (do_tty_wake && port->port.tty)
+-              tty_wakeup(port->port.tty);
++      if (do_tty_wake)
++              tty_port_tty_wakeup(&port->port);
+       return status;
+ }
+ 
+@@ -568,7 +568,7 @@ static int gs_start_io(struct gs_port *port)
+               gs_start_tx(port);
+               /* Unblock any pending writes into our circular buffer, in case
+                * we didn't in gs_start_tx() */
+-              tty_wakeup(port->port.tty);
++              tty_port_tty_wakeup(&port->port);
+       } else {
+               /* Free reqs only if we are still connected */
+               if (port->port_usb) {
+diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
+index db22ab0d88893a..149128b89100be 100644
+--- a/drivers/usb/host/xhci-mem.c
++++ b/drivers/usb/host/xhci-mem.c
+@@ -1462,6 +1462,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
+       /* Periodic endpoint bInterval limit quirk */
+       if (usb_endpoint_xfer_int(&ep->desc) ||
+           usb_endpoint_xfer_isoc(&ep->desc)) {
++              if ((xhci->quirks & XHCI_LIMIT_ENDPOINT_INTERVAL_9) &&
++                  interval >= 9) {
++                      interval = 8;
++              }
+               if ((xhci->quirks & XHCI_LIMIT_ENDPOINT_INTERVAL_7) &&
+                   udev->speed >= USB_SPEED_HIGH &&
+                   interval >= 7) {
+diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
+index 18200d3662fe65..9c7491ac28f2f3 100644
+--- a/drivers/usb/host/xhci-pci.c
++++ b/drivers/usb/host/xhci-pci.c
+@@ -65,12 +65,22 @@
+ #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI               0x51ed
+ #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_PCH_XHCI     0x54ed
+ 
++#define PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI            0x13ed
++#define PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI            0x13ee
++#define PCI_DEVICE_ID_AMD_STARSHIP_XHCI                       0x148c
++#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI                0x15d4
++#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI                0x15d5
++#define PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI             0x15e0
++#define PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI             0x15e1
++#define PCI_DEVICE_ID_AMD_RAVEN2_XHCI                 0x15e5
+ #define PCI_DEVICE_ID_AMD_RENOIR_XHCI                 0x1639
+ #define PCI_DEVICE_ID_AMD_PROMONTORYA_4                       0x43b9
+ #define PCI_DEVICE_ID_AMD_PROMONTORYA_3                       0x43ba
+ #define PCI_DEVICE_ID_AMD_PROMONTORYA_2                       0x43bb
+ #define PCI_DEVICE_ID_AMD_PROMONTORYA_1                       0x43bc
+ 
++#define PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI            0x7316
++
+ #define PCI_DEVICE_ID_ASMEDIA_1042_XHCI                       0x1042
+ #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI              0x1142
+ #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI                       0x1242
+@@ -168,6 +178,21 @@ static void xhci_pci_quirks(struct device *dev, struct 
xhci_hcd *xhci)
+       if (pdev->vendor == PCI_VENDOR_ID_NEC)
+               xhci->quirks |= XHCI_NEC_HOST;
+ 
++      if (pdev->vendor == PCI_VENDOR_ID_AMD &&
++          (pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI ||
++           pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI ||
++           pdev->device == PCI_DEVICE_ID_AMD_STARSHIP_XHCI ||
++           pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI ||
++           pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI ||
++           pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI ||
++           pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI ||
++           pdev->device == PCI_DEVICE_ID_AMD_RAVEN2_XHCI))
++              xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9;
++
++      if (pdev->vendor == PCI_VENDOR_ID_ATI &&
++          pdev->device == PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI)
++              xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9;
++
+       if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96)
+               xhci->quirks |= XHCI_AMD_0x96_HOST;
+ 
+@@ -191,8 +216,11 @@ static void xhci_pci_quirks(struct device *dev, struct 
xhci_hcd *xhci)
+               xhci->quirks |= XHCI_RESET_ON_RESUME;
+       }
+ 
+-      if (pdev->vendor == PCI_VENDOR_ID_AMD)
++      if (pdev->vendor == PCI_VENDOR_ID_AMD) {
+               xhci->quirks |= XHCI_TRUST_TX_LENGTH;
++              if (pdev->device == 0x43f7)
++                      xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
++      }
+ 
+       if ((pdev->vendor == PCI_VENDOR_ID_AMD) &&
+               ((pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4) ||
+diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
+index 83c7dffa945c31..daf93bee7669b2 100644
+--- a/drivers/usb/host/xhci-plat.c
++++ b/drivers/usb/host/xhci-plat.c
+@@ -361,7 +361,8 @@ static int xhci_plat_probe(struct platform_device *pdev)
+       if (ret)
+               goto disable_usb_phy;
+ 
+-      if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
++      if (HCC_MAX_PSA(xhci->hcc_params) >= 4 &&
++          !(xhci->quirks & XHCI_BROKEN_STREAMS))
+               xhci->shared_hcd->can_do_streams = 1;
+ 
+       ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
+diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
+index b71e02ed9f0b32..cc332de73d8131 100644
+--- a/drivers/usb/host/xhci.h
++++ b/drivers/usb/host/xhci.h
+@@ -1669,6 +1669,7 @@ struct xhci_hcd {
+ #define XHCI_ZHAOXIN_HOST     BIT_ULL(46)
+ #define XHCI_WRITE_64_HI_LO   BIT_ULL(47)
+ #define XHCI_CDNS_SCTX_QUIRK  BIT_ULL(48)
++#define XHCI_LIMIT_ENDPOINT_INTERVAL_9 BIT_ULL(49)
+ 
+       unsigned int            num_active_eps;
+       unsigned int            limit_active_eps;
+diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
+index f9930887fdd2c4..2c19fa02141dcf 100644
+--- a/drivers/vhost/scsi.c
++++ b/drivers/vhost/scsi.c
+@@ -563,8 +563,10 @@ static void vhost_scsi_complete_cmd_work(struct 
vhost_work *work)
+               ret = copy_to_iter(&v_rsp, sizeof(v_rsp), &iov_iter);
+               if (likely(ret == sizeof(v_rsp))) {
+                       struct vhost_scsi_virtqueue *q;
+-                      vhost_add_used(cmd->tvc_vq, cmd->tvc_vq_desc, 0);
+                       q = container_of(cmd->tvc_vq, struct 
vhost_scsi_virtqueue, vq);
++                      mutex_lock(&q->vq.mutex);
++                      vhost_add_used(cmd->tvc_vq, cmd->tvc_vq_desc, 0);
++                      mutex_unlock(&q->vq.mutex);
+                       vq = q - vs->vqs;
+                       __set_bit(vq, signal);
+               } else
+@@ -1166,8 +1168,11 @@ static void vhost_scsi_tmf_resp_work(struct vhost_work 
*work)
+       else
+               resp_code = VIRTIO_SCSI_S_FUNCTION_REJECTED;
+ 
++      mutex_lock(&tmf->svq->vq.mutex);
+       vhost_scsi_send_tmf_resp(tmf->vhost, &tmf->svq->vq, tmf->in_iovs,
+                                tmf->vq_desc, &tmf->resp_iov, resp_code);
++      mutex_unlock(&tmf->svq->vq.mutex);
++
+       vhost_scsi_release_tmf_res(tmf);
+ }
+ 
+diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
+index 0a2d24d6ac6f73..a10e0741bec56e 100644
+--- a/drivers/xen/grant-table.c
++++ b/drivers/xen/grant-table.c
+@@ -743,7 +743,7 @@ int gnttab_setup_auto_xlat_frames(phys_addr_t addr)
+       if (xen_auto_xlat_grant_frames.count)
+               return -EINVAL;
+ 
+-      vaddr = xen_remap(addr, XEN_PAGE_SIZE * max_nr_gframes);
++      vaddr = memremap(addr, XEN_PAGE_SIZE * max_nr_gframes, MEMREMAP_WB);
+       if (vaddr == NULL) {
+               pr_warn("Failed to ioremap gnttab share frames (addr=%pa)!\n",
+                       &addr);
+@@ -751,7 +751,7 @@ int gnttab_setup_auto_xlat_frames(phys_addr_t addr)
+       }
+       pfn = kcalloc(max_nr_gframes, sizeof(pfn[0]), GFP_KERNEL);
+       if (!pfn) {
+-              xen_unmap(vaddr);
++              memunmap(vaddr);
+               return -ENOMEM;
+       }
+       for (i = 0; i < max_nr_gframes; i++)
+@@ -770,7 +770,7 @@ void gnttab_free_auto_xlat_frames(void)
+       if (!xen_auto_xlat_grant_frames.count)
+               return;
+       kfree(xen_auto_xlat_grant_frames.pfn);
+-      xen_unmap(xen_auto_xlat_grant_frames.vaddr);
++      memunmap(xen_auto_xlat_grant_frames.vaddr);
+ 
+       xen_auto_xlat_grant_frames.pfn = NULL;
+       xen_auto_xlat_grant_frames.count = 0;
+diff --git a/drivers/xen/xenbus/xenbus_probe.c 
b/drivers/xen/xenbus/xenbus_probe.c
+index 2068f83556b78d..77ca24611293a4 100644
+--- a/drivers/xen/xenbus/xenbus_probe.c
++++ b/drivers/xen/xenbus/xenbus_probe.c
+@@ -982,8 +982,7 @@ static int __init xenbus_init(void)
+ #endif
+               xen_store_gfn = (unsigned long)v;
+               xen_store_interface =
+-                      xen_remap(xen_store_gfn << XEN_PAGE_SHIFT,
+-                                XEN_PAGE_SIZE);
++                      memremap(xen_store_gfn << XEN_PAGE_SHIFT, 
XEN_PAGE_SIZE, MEMREMAP_WB);
+               break;
+       default:
+               pr_warn("Xenstore state unknown\n");
+diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
+index e3e5bd4fb477aa..27aaa5064ff7e8 100644
+--- a/fs/btrfs/inode.c
++++ b/fs/btrfs/inode.c
+@@ -4655,7 +4655,6 @@ static int btrfs_rmdir(struct inode *dir, struct dentry 
*dentry)
+       struct inode *inode = d_inode(dentry);
+       int err = 0;
+       struct btrfs_trans_handle *trans;
+-      u64 last_unlink_trans;
+ 
+       if (inode->i_size > BTRFS_EMPTY_DIR_SIZE)
+               return -ENOTEMPTY;
+@@ -4666,6 +4665,23 @@ static int btrfs_rmdir(struct inode *dir, struct dentry 
*dentry)
+       if (IS_ERR(trans))
+               return PTR_ERR(trans);
+ 
++      /*
++       * Propagate the last_unlink_trans value of the deleted dir to its
++       * parent directory. This is to prevent an unrecoverable log tree in the
++       * case we do something like this:
++       * 1) create dir foo
++       * 2) create snapshot under dir foo
++       * 3) delete the snapshot
++       * 4) rmdir foo
++       * 5) mkdir foo
++       * 6) fsync foo or some file inside foo
++       *
++       * This is because we can't unlink other roots when replaying the dir
++       * deletes for directory foo.
++       */
++      if (BTRFS_I(inode)->last_unlink_trans >= trans->transid)
++              btrfs_record_snapshot_destroy(trans, BTRFS_I(dir));
++
+       if (unlikely(btrfs_ino(BTRFS_I(inode)) == 
BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)) {
+               err = btrfs_unlink_subvol(trans, dir, dentry);
+               goto out;
+@@ -4675,28 +4691,12 @@ static int btrfs_rmdir(struct inode *dir, struct 
dentry *dentry)
+       if (err)
+               goto out;
+ 
+-      last_unlink_trans = BTRFS_I(inode)->last_unlink_trans;
+-
+       /* now the directory is empty */
+       err = btrfs_unlink_inode(trans, BTRFS_I(dir),
+                       BTRFS_I(d_inode(dentry)), dentry->d_name.name,
+                       dentry->d_name.len);
+-      if (!err) {
++      if (!err)
+               btrfs_i_size_write(BTRFS_I(inode), 0);
+-              /*
+-               * Propagate the last_unlink_trans value of the deleted dir to
+-               * its parent directory. This is to prevent an unrecoverable
+-               * log tree in the case we do something like this:
+-               * 1) create dir foo
+-               * 2) create snapshot under dir foo
+-               * 3) delete the snapshot
+-               * 4) rmdir foo
+-               * 5) mkdir foo
+-               * 6) fsync foo or some file inside foo
+-               */
+-              if (last_unlink_trans >= trans->transid)
+-                      BTRFS_I(dir)->last_unlink_trans = last_unlink_trans;
+-      }
+ out:
+       btrfs_end_transaction(trans);
+       btrfs_btree_balance_dirty(BTRFS_I(dir)->root->fs_info);
+diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
+index 27ca98614b0bbb..cb57d4f1161f03 100644
+--- a/fs/jfs/jfs_dtree.c
++++ b/fs/jfs/jfs_dtree.c
+@@ -835,6 +835,8 @@ int dtInsert(tid_t tid, struct inode *ip,
+        * the full page.
+        */
+       DT_GETSEARCH(ip, btstack->top, bn, mp, p, index);
++      if (p->header.freelist == 0)
++              return -EINVAL;
+ 
+       /*
+        *      insert entry for new key
+diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c
+index 355673f2830be0..91e663d5d5bc14 100644
+--- a/fs/ksmbd/transport_rdma.c
++++ b/fs/ksmbd/transport_rdma.c
+@@ -426,7 +426,8 @@ static void free_transport(struct smb_direct_transport *t)
+       if (t->qp) {
+               ib_drain_qp(t->qp);
+               ib_mr_pool_destroy(t->qp, &t->qp->rdma_mrs);
+-              ib_destroy_qp(t->qp);
++              t->qp = NULL;
++              rdma_destroy_qp(t->cm_id);
+       }
+ 
+       ksmbd_debug(RDMA, "drain the reassembly queue\n");
+@@ -1934,8 +1935,8 @@ static int smb_direct_create_qpair(struct 
smb_direct_transport *t,
+       return 0;
+ err:
+       if (t->qp) {
+-              ib_destroy_qp(t->qp);
+               t->qp = NULL;
++              rdma_destroy_qp(t->cm_id);
+       }
+       if (t->recv_cq) {
+               ib_destroy_cq(t->recv_cq);
+diff --git a/fs/ksmbd/vfs.c b/fs/ksmbd/vfs.c
+index 7afb2412c4d432..4804976c0c13fc 100644
+--- a/fs/ksmbd/vfs.c
++++ b/fs/ksmbd/vfs.c
+@@ -1280,6 +1280,7 @@ int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, 
char *name,
+ 
+               err = ksmbd_vfs_lock_parent(parent_path->dentry, path->dentry);
+               if (err) {
++                      mnt_drop_write(parent_path->mnt);
+                       path_put(path);
+                       path_put(parent_path);
+               }
+diff --git a/fs/proc/array.c b/fs/proc/array.c
+index 2cb01aaa671872..2ff568dc58387a 100644
+--- a/fs/proc/array.c
++++ b/fs/proc/array.c
+@@ -530,18 +530,18 @@ static int do_task_stat(struct seq_file *m, struct 
pid_namespace *ns,
+               cgtime = sig->cgtime;
+ 
+               if (whole) {
+-                      struct task_struct *t = task;
++                      struct task_struct *t;
+ 
+                       min_flt = sig->min_flt;
+                       maj_flt = sig->maj_flt;
+                       gtime = sig->gtime;
+ 
+                       rcu_read_lock();
+-                      do {
++                      __for_each_thread(sig, t) {
+                               min_flt += t->min_flt;
+                               maj_flt += t->maj_flt;
+                               gtime += task_gtime(t);
+-                      } while_each_thread(task, t);
++                      }
+                       rcu_read_unlock();
+               }
+       } while (need_seqretry(&sig->stats_lock, seq));
+diff --git a/fs/proc/inode.c b/fs/proc/inode.c
+index 695471fa24fe5e..de5ae2e5a97df0 100644
+--- a/fs/proc/inode.c
++++ b/fs/proc/inode.c
+@@ -54,7 +54,7 @@ static void proc_evict_inode(struct inode *inode)
+ 
+       head = ei->sysctl;
+       if (head) {
+-              RCU_INIT_POINTER(ei->sysctl, NULL);
++              WRITE_ONCE(ei->sysctl, NULL);
+               proc_sys_evict_inode(inode, head);
+       }
+ }
+diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
+index 7c5d472b193f88..1a22aa43e740df 100644
+--- a/fs/proc/proc_sysctl.c
++++ b/fs/proc/proc_sysctl.c
+@@ -910,17 +910,21 @@ static int proc_sys_compare(const struct dentry *dentry,
+       struct ctl_table_header *head;
+       struct inode *inode;
+ 
+-      /* Although proc doesn't have negative dentries, rcu-walk means
+-       * that inode here can be NULL */
+-      /* AV: can it, indeed? */
+-      inode = d_inode_rcu(dentry);
+-      if (!inode)
+-              return 1;
+       if (name->len != len)
+               return 1;
+       if (memcmp(name->name, str, len))
+               return 1;
+-      head = rcu_dereference(PROC_I(inode)->sysctl);
++
++      // false positive is fine here - we'll recheck anyway
++      if (d_in_lookup(dentry))
++              return 0;
++
++      inode = d_inode_rcu(dentry);
++      // we just might have run into dentry in the middle of __dentry_kill()
++      if (!inode)
++              return 1;
++
++      head = READ_ONCE(PROC_I(inode)->sysctl);
+       return !head || !sysctl_is_seen(head);
+ }
+ 
+diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
+index a3acb7ac355040..f5cccc92779ce4 100644
+--- a/include/drm/drm_file.h
++++ b/include/drm/drm_file.h
+@@ -273,6 +273,9 @@ struct drm_file {
+        *
+        * Mapping of mm object handles to object pointers. Used by the GEM
+        * subsystem. Protected by @table_lock.
++       *
++       * Note that allocated entries might be NULL as a transient state when
++       * creating or deleting a handle.
+        */
+       struct idr object_idr;
+ 
+diff --git a/include/drm/spsc_queue.h b/include/drm/spsc_queue.h
+index 125f096c88cb96..ee9df8cc67b730 100644
+--- a/include/drm/spsc_queue.h
++++ b/include/drm/spsc_queue.h
+@@ -70,9 +70,11 @@ static inline bool spsc_queue_push(struct spsc_queue 
*queue, struct spsc_node *n
+ 
+       preempt_disable();
+ 
++      atomic_inc(&queue->job_count);
++      smp_mb__after_atomic();
++
+       tail = (struct spsc_node **)atomic_long_xchg(&queue->tail, 
(long)&node->next);
+       WRITE_ONCE(*tail, node);
+-      atomic_inc(&queue->job_count);
+ 
+       /*
+        * In case of first element verify new node will be visible to the 
consumer
+diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h
+index e1ca2080a1ff15..ef9f94ce2cc38f 100644
+--- a/include/linux/dma-resv.h
++++ b/include/linux/dma-resv.h
+@@ -75,6 +75,101 @@ struct dma_resv {
+       struct dma_resv_list __rcu *fence;
+ };
+ 
++/**
++ * struct dma_resv_iter - current position into the dma_resv fences
++ *
++ * Don't touch this directly in the driver, use the accessor function instead.
++ */
++struct dma_resv_iter {
++      /** @obj: The dma_resv object we iterate over */
++      struct dma_resv *obj;
++
++      /** @all_fences: If all fences should be returned */
++      bool all_fences;
++
++      /** @fence: the currently handled fence */
++      struct dma_fence *fence;
++
++      /** @seq: sequence number to check for modifications */
++      unsigned int seq;
++
++      /** @index: index into the shared fences */
++      unsigned int index;
++
++      /** @fences: the shared fences */
++      struct dma_resv_list *fences;
++
++      /** @is_restarted: true if this is the first returned fence */
++      bool is_restarted;
++};
++
++struct dma_fence *dma_resv_iter_first_unlocked(struct dma_resv_iter *cursor);
++struct dma_fence *dma_resv_iter_next_unlocked(struct dma_resv_iter *cursor);
++
++/**
++ * dma_resv_iter_begin - initialize a dma_resv_iter object
++ * @cursor: The dma_resv_iter object to initialize
++ * @obj: The dma_resv object which we want to iterate over
++ * @all_fences: If all fences should be returned or just the exclusive one
++ */
++static inline void dma_resv_iter_begin(struct dma_resv_iter *cursor,
++                                     struct dma_resv *obj,
++                                     bool all_fences)
++{
++      cursor->obj = obj;
++      cursor->all_fences = all_fences;
++      cursor->fence = NULL;
++}
++
++/**
++ * dma_resv_iter_end - cleanup a dma_resv_iter object
++ * @cursor: the dma_resv_iter object which should be cleaned up
++ *
++ * Make sure that the reference to the fence in the cursor is properly
++ * dropped.
++ */
++static inline void dma_resv_iter_end(struct dma_resv_iter *cursor)
++{
++      dma_fence_put(cursor->fence);
++}
++
++/**
++ * dma_resv_iter_is_exclusive - test if the current fence is the exclusive one
++ * @cursor: the cursor of the current position
++ *
++ * Returns true if the currently returned fence is the exclusive one.
++ */
++static inline bool dma_resv_iter_is_exclusive(struct dma_resv_iter *cursor)
++{
++      return cursor->index == 0;
++}
++
++/**
++ * dma_resv_iter_is_restarted - test if this is the first fence after a 
restart
++ * @cursor: the cursor with the current position
++ *
++ * Return true if this is the first fence in an iteration after a restart.
++ */
++static inline bool dma_resv_iter_is_restarted(struct dma_resv_iter *cursor)
++{
++      return cursor->is_restarted;
++}
++
++/**
++ * dma_resv_for_each_fence_unlocked - unlocked fence iterator
++ * @cursor: a struct dma_resv_iter pointer
++ * @fence: the current fence
++ *
++ * Iterate over the fences in a struct dma_resv object without holding the
++ * &dma_resv.lock and using RCU instead. The cursor needs to be initialized
++ * with dma_resv_iter_begin() and cleaned up with dma_resv_iter_end(). Inside
++ * the iterator a reference to the dma_fence is held and the RCU lock dropped.
++ * When the dma_resv is modified the iteration starts over again.
++ */
++#define dma_resv_for_each_fence_unlocked(cursor, fence)                       
\
++      for (fence = dma_resv_iter_first_unlocked(cursor);              \
++           fence; fence = dma_resv_iter_next_unlocked(cursor))
++
+ #define dma_resv_held(obj) lockdep_is_held(&(obj)->lock.base)
+ #define dma_resv_assert_held(obj) lockdep_assert_held(&(obj)->lock.base)
+ 
+diff --git a/include/net/netfilter/nf_flow_table.h 
b/include/net/netfilter/nf_flow_table.h
+index 8e98fb8edff8da..664c3637e283c6 100644
+--- a/include/net/netfilter/nf_flow_table.h
++++ b/include/net/netfilter/nf_flow_table.h
+@@ -336,7 +336,7 @@ static inline __be16 __nf_flow_pppoe_proto(const struct 
sk_buff *skb)
+ 
+ static inline bool nf_flow_pppoe_proto(struct sk_buff *skb, __be16 
*inner_proto)
+ {
+-      if (!pskb_may_pull(skb, PPPOE_SES_HLEN))
++      if (!pskb_may_pull(skb, ETH_HLEN + PPPOE_SES_HLEN))
+               return false;
+ 
+       *inner_proto = __nf_flow_pppoe_proto(skb);
+diff --git a/include/xen/arm/page.h b/include/xen/arm/page.h
+index ac1b654705631d..f831cfeca00055 100644
+--- a/include/xen/arm/page.h
++++ b/include/xen/arm/page.h
+@@ -109,9 +109,6 @@ static inline bool set_phys_to_machine(unsigned long pfn, 
unsigned long mfn)
+       return __set_phys_to_machine(pfn, mfn);
+ }
+ 
+-#define xen_remap(cookie, size) ioremap_cache((cookie), (size))
+-#define xen_unmap(cookie) iounmap((cookie))
+-
+ bool xen_arch_need_swiotlb(struct device *dev,
+                          phys_addr_t phys,
+                          dma_addr_t dev_addr);
+diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
+index 7049a85a78ab22..89b4fa815a9ba4 100644
+--- a/kernel/bpf/verifier.c
++++ b/kernel/bpf/verifier.c
+@@ -2134,12 +2134,29 @@ static int push_jmp_history(struct bpf_verifier_env 
*env,
+ 
+ /* Backtrack one insn at a time. If idx is not at the top of recorded
+  * history then previous instruction came from straight line execution.
++ * Return -ENOENT if we exhausted all instructions within given state.
++ *
++ * It's legal to have a bit of a looping with the same starting and ending
++ * insn index within the same state, e.g.: 3->4->5->3, so just because current
++ * instruction index is the same as state's first_idx doesn't mean we are
++ * done. If there is still some jump history left, we should keep going. We
++ * need to take into account that we might have a jump history between given
++ * state's parent and itself, due to checkpointing. In this case, we'll have
++ * history entry recording a jump from last instruction of parent state and
++ * first instruction of given state.
+  */
+ static int get_prev_insn_idx(struct bpf_verifier_state *st, int i,
+                            u32 *history)
+ {
+       u32 cnt = *history;
+ 
++      if (i == st->first_insn_idx) {
++              if (cnt == 0)
++                      return -ENOENT;
++              if (cnt == 1 && st->jmp_history[0].idx == i)
++                      return -ENOENT;
++      }
++
+       if (cnt && st->jmp_history[cnt - 1].idx == i) {
+               i = st->jmp_history[cnt - 1].prev_idx;
+               (*history)--;
+@@ -2630,9 +2647,9 @@ static int __mark_chain_precision(struct 
bpf_verifier_env *env, int frame, int r
+                                * Nothing to be tracked further in the parent 
state.
+                                */
+                               return 0;
+-                      if (i == first_idx)
+-                              break;
+                       i = get_prev_insn_idx(st, i, &history);
++                      if (i == -ENOENT)
++                              break;
+                       if (i >= env->prog->len) {
+                               /* This can happen if backtracking reached insn 0
+                                * and there are still reg_mask or stack_mask
+diff --git a/kernel/events/core.c b/kernel/events/core.c
+index c7ae6b426de38b..3e98d102931444 100644
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -10225,7 +10225,7 @@ static int perf_uprobe_event_init(struct perf_event 
*event)
+       if (event->attr.type != perf_uprobe.type)
+               return -ENOENT;
+ 
+-      if (!perfmon_capable())
++      if (!capable(CAP_SYS_ADMIN))
+               return -EACCES;
+ 
+       /*
+diff --git a/kernel/rseq.c b/kernel/rseq.c
+index 97ac20b4f7387f..4430a84fa2bf6f 100644
+--- a/kernel/rseq.c
++++ b/kernel/rseq.c
+@@ -119,6 +119,29 @@ static int rseq_reset_rseq_cpu_id(struct task_struct *t)
+       return 0;
+ }
+ 
++/*
++ * Get the user-space pointer value stored in the 'rseq_cs' field.
++ */
++static int rseq_get_rseq_cs_ptr_val(struct rseq __user *rseq, u64 *rseq_cs)
++{
++      if (!rseq_cs)
++              return -EFAULT;
++
++#ifdef CONFIG_64BIT
++      if (get_user(*rseq_cs, &rseq->rseq_cs))
++              return -EFAULT;
++#else
++      if (copy_from_user(rseq_cs, &rseq->rseq_cs, sizeof(*rseq_cs)))
++              return -EFAULT;
++#endif
++
++      return 0;
++}
++
++/*
++ * If the rseq_cs field of 'struct rseq' contains a valid pointer to
++ * user-space, copy 'struct rseq_cs' from user-space and validate its fields.
++ */
+ static int rseq_get_rseq_cs(struct task_struct *t, struct rseq_cs *rseq_cs)
+ {
+       struct rseq_cs __user *urseq_cs;
+@@ -127,17 +150,16 @@ static int rseq_get_rseq_cs(struct task_struct *t, 
struct rseq_cs *rseq_cs)
+       u32 sig;
+       int ret;
+ 
+-#ifdef CONFIG_64BIT
+-      if (get_user(ptr, &t->rseq->rseq_cs))
+-              return -EFAULT;
+-#else
+-      if (copy_from_user(&ptr, &t->rseq->rseq_cs, sizeof(ptr)))
+-              return -EFAULT;
+-#endif
++      ret = rseq_get_rseq_cs_ptr_val(t->rseq, &ptr);
++      if (ret)
++              return ret;
++
++      /* If the rseq_cs pointer is NULL, return a cleared struct rseq_cs. */
+       if (!ptr) {
+               memset(rseq_cs, 0, sizeof(*rseq_cs));
+               return 0;
+       }
++      /* Check that the pointer value fits in the user-space process space. */
+       if (ptr >= TASK_SIZE)
+               return -EINVAL;
+       urseq_cs = (struct rseq_cs __user *)(unsigned long)ptr;
+@@ -206,7 +228,7 @@ static int rseq_need_restart(struct task_struct *t, u32 
cs_flags)
+       return !!(event_mask & ~flags);
+ }
+ 
+-static int clear_rseq_cs(struct task_struct *t)
++static int clear_rseq_cs(struct rseq __user *rseq)
+ {
+       /*
+        * The rseq_cs field is set to NULL on preemption or signal
+@@ -217,9 +239,9 @@ static int clear_rseq_cs(struct task_struct *t)
+        * Set rseq_cs to NULL.
+        */
+ #ifdef CONFIG_64BIT
+-      return put_user(0UL, &t->rseq->rseq_cs);
++      return put_user(0UL, &rseq->rseq_cs);
+ #else
+-      if (clear_user(&t->rseq->rseq_cs, sizeof(t->rseq->rseq_cs)))
++      if (clear_user(&rseq->rseq_cs, sizeof(rseq->rseq_cs)))
+               return -EFAULT;
+       return 0;
+ #endif
+@@ -251,11 +273,11 @@ static int rseq_ip_fixup(struct pt_regs *regs)
+        * Clear the rseq_cs pointer and return.
+        */
+       if (!in_rseq_cs(ip, &rseq_cs))
+-              return clear_rseq_cs(t);
++              return clear_rseq_cs(t->rseq);
+       ret = rseq_need_restart(t, rseq_cs.flags);
+       if (ret <= 0)
+               return ret;
+-      ret = clear_rseq_cs(t);
++      ret = clear_rseq_cs(t->rseq);
+       if (ret)
+               return ret;
+       trace_rseq_ip_fixup(ip, rseq_cs.start_ip, rseq_cs.post_commit_offset,
+@@ -329,6 +351,7 @@ SYSCALL_DEFINE4(rseq, struct rseq __user *, rseq, u32, 
rseq_len,
+               int, flags, u32, sig)
+ {
+       int ret;
++      u64 rseq_cs;
+ 
+       if (flags & RSEQ_FLAG_UNREGISTER) {
+               if (flags & ~RSEQ_FLAG_UNREGISTER)
+@@ -374,6 +397,19 @@ SYSCALL_DEFINE4(rseq, struct rseq __user *, rseq, u32, 
rseq_len,
+               return -EINVAL;
+       if (!access_ok(rseq, rseq_len))
+               return -EFAULT;
++
++      /*
++       * If the rseq_cs pointer is non-NULL on registration, clear it to
++       * avoid a potential segfault on return to user-space. The proper thing
++       * to do would have been to fail the registration but this would break
++       * older libcs that reuse the rseq area for new threads without
++       * clearing the fields.
++       */
++      if (rseq_get_rseq_cs_ptr_val(rseq, &rseq_cs))
++              return -EFAULT;
++      if (rseq_cs && clear_rseq_cs(rseq))
++              return -EFAULT;
++
+       current->rseq = rseq;
+       current->rseq_sig = sig;
+       /*
+diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
+index 8daa3a1bfa4cd9..344a38905c48d8 100644
+--- a/net/appletalk/ddp.c
++++ b/net/appletalk/ddp.c
+@@ -563,6 +563,7 @@ static int atrtr_create(struct rtentry *r, struct 
net_device *devhint)
+ 
+       /* Fill in the routing entry */
+       rt->target  = ta->sat_addr;
++      dev_put(rt->dev); /* Release old device */
+       dev_hold(devhint);
+       rt->dev     = devhint;
+       rt->flags   = r->rt_flags;
+diff --git a/net/atm/clip.c b/net/atm/clip.c
+index 511467bb7fe40d..53d62361ae4606 100644
+--- a/net/atm/clip.c
++++ b/net/atm/clip.c
+@@ -45,7 +45,8 @@
+ #include <net/atmclip.h>
+ 
+ static struct net_device *clip_devs;
+-static struct atm_vcc *atmarpd;
++static struct atm_vcc __rcu *atmarpd;
++static DEFINE_MUTEX(atmarpd_lock);
+ static struct timer_list idle_timer;
+ static const struct neigh_ops clip_neigh_ops;
+ 
+@@ -53,24 +54,35 @@ static int to_atmarpd(enum atmarp_ctrl_type type, int itf, 
__be32 ip)
+ {
+       struct sock *sk;
+       struct atmarp_ctrl *ctrl;
++      struct atm_vcc *vcc;
+       struct sk_buff *skb;
++      int err = 0;
+ 
+       pr_debug("(%d)\n", type);
+-      if (!atmarpd)
+-              return -EUNATCH;
++
++      rcu_read_lock();
++      vcc = rcu_dereference(atmarpd);
++      if (!vcc) {
++              err = -EUNATCH;
++              goto unlock;
++      }
+       skb = alloc_skb(sizeof(struct atmarp_ctrl), GFP_ATOMIC);
+-      if (!skb)
+-              return -ENOMEM;
++      if (!skb) {
++              err = -ENOMEM;
++              goto unlock;
++      }
+       ctrl = skb_put(skb, sizeof(struct atmarp_ctrl));
+       ctrl->type = type;
+       ctrl->itf_num = itf;
+       ctrl->ip = ip;
+-      atm_force_charge(atmarpd, skb->truesize);
++      atm_force_charge(vcc, skb->truesize);
+ 
+-      sk = sk_atm(atmarpd);
++      sk = sk_atm(vcc);
+       skb_queue_tail(&sk->sk_receive_queue, skb);
+       sk->sk_data_ready(sk);
+-      return 0;
++unlock:
++      rcu_read_unlock();
++      return err;
+ }
+ 
+ static void link_vcc(struct clip_vcc *clip_vcc, struct atmarp_entry *entry)
+@@ -417,6 +429,8 @@ static int clip_mkip(struct atm_vcc *vcc, int timeout)
+ 
+       if (!vcc->push)
+               return -EBADFD;
++      if (vcc->user_back)
++              return -EINVAL;
+       clip_vcc = kmalloc(sizeof(struct clip_vcc), GFP_KERNEL);
+       if (!clip_vcc)
+               return -ENOMEM;
+@@ -607,17 +621,27 @@ static void atmarpd_close(struct atm_vcc *vcc)
+ {
+       pr_debug("\n");
+ 
+-      rtnl_lock();
+-      atmarpd = NULL;
++      mutex_lock(&atmarpd_lock);
++      RCU_INIT_POINTER(atmarpd, NULL);
++      mutex_unlock(&atmarpd_lock);
++
++      synchronize_rcu();
+       skb_queue_purge(&sk_atm(vcc)->sk_receive_queue);
+-      rtnl_unlock();
+ 
+       pr_debug("(done)\n");
+       module_put(THIS_MODULE);
+ }
+ 
++static int atmarpd_send(struct atm_vcc *vcc, struct sk_buff *skb)
++{
++      atm_return_tx(vcc, skb);
++      dev_kfree_skb_any(skb);
++      return 0;
++}
++
+ static const struct atmdev_ops atmarpd_dev_ops = {
+-      .close = atmarpd_close
++      .close = atmarpd_close,
++      .send = atmarpd_send
+ };
+ 
+ 
+@@ -631,15 +655,18 @@ static struct atm_dev atmarpd_dev = {
+ 
+ static int atm_init_atmarp(struct atm_vcc *vcc)
+ {
+-      rtnl_lock();
++      if (vcc->push == clip_push)
++              return -EINVAL;
++
++      mutex_lock(&atmarpd_lock);
+       if (atmarpd) {
+-              rtnl_unlock();
++              mutex_unlock(&atmarpd_lock);
+               return -EADDRINUSE;
+       }
+ 
+       mod_timer(&idle_timer, jiffies + CLIP_CHECK_INTERVAL * HZ);
+ 
+-      atmarpd = vcc;
++      rcu_assign_pointer(atmarpd, vcc);
+       set_bit(ATM_VF_META, &vcc->flags);
+       set_bit(ATM_VF_READY, &vcc->flags);
+           /* allow replies and avoid getting closed if signaling dies */
+@@ -648,13 +675,14 @@ static int atm_init_atmarp(struct atm_vcc *vcc)
+       vcc->push = NULL;
+       vcc->pop = NULL; /* crash */
+       vcc->push_oam = NULL; /* crash */
+-      rtnl_unlock();
++      mutex_unlock(&atmarpd_lock);
+       return 0;
+ }
+ 
+ static int clip_ioctl(struct socket *sock, unsigned int cmd, unsigned long 
arg)
+ {
+       struct atm_vcc *vcc = ATM_SD(sock);
++      struct sock *sk = sock->sk;
+       int err = 0;
+ 
+       switch (cmd) {
+@@ -675,14 +703,18 @@ static int clip_ioctl(struct socket *sock, unsigned int 
cmd, unsigned long arg)
+               err = clip_create(arg);
+               break;
+       case ATMARPD_CTRL:
++              lock_sock(sk);
+               err = atm_init_atmarp(vcc);
+               if (!err) {
+                       sock->state = SS_CONNECTED;
+                       __module_get(THIS_MODULE);
+               }
++              release_sock(sk);
+               break;
+       case ATMARP_MKIP:
++              lock_sock(sk);
+               err = clip_mkip(vcc, arg);
++              release_sock(sk);
+               break;
+       case ATMARP_SETENTRY:
+               err = clip_setentry(vcc, (__force __be32)arg);
+diff --git a/net/core/skmsg.c b/net/core/skmsg.c
+index b3d675c3c1ec47..ee38b50eacae53 100644
+--- a/net/core/skmsg.c
++++ b/net/core/skmsg.c
+@@ -608,12 +608,18 @@ static int sk_psock_skb_ingress_self(struct sk_psock 
*psock, struct sk_buff *skb
+ static int sk_psock_handle_skb(struct sk_psock *psock, struct sk_buff *skb,
+                              u32 off, u32 len, bool ingress)
+ {
++      int err = 0;
++
+       if (!ingress) {
+               if (!sock_writeable(psock->sk))
+                       return -EAGAIN;
+               return skb_send_sock(psock->sk, skb, off, len);
+       }
+-      return sk_psock_skb_ingress(psock, skb, off, len);
++      skb_get(skb);
++      err = sk_psock_skb_ingress(psock, skb, off, len);
++      if (err < 0)
++              kfree_skb(skb);
++      return err;
+ }
+ 
+ static void sk_psock_skb_state(struct sk_psock *psock,
+@@ -693,9 +699,7 @@ static void sk_psock_backlog(struct work_struct *work)
+               /* The entire skb sent, clear state */
+               sk_psock_skb_state(psock, state, 0, 0);
+               skb = skb_dequeue(&psock->ingress_skb);
+-              if (!ingress) {
+-                      kfree_skb(skb);
+-              }
++              kfree_skb(skb);
+       }
+ end:
+       mutex_unlock(&psock->work_mutex);
+diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
+index 47c4a3e72bcd92..bb0e385992fcc4 100644
+--- a/net/ipv6/addrconf.c
++++ b/net/ipv6/addrconf.c
+@@ -3453,11 +3453,9 @@ static void addrconf_gre_config(struct net_device *dev)
+ 
+       ASSERT_RTNL();
+ 
+-      idev = ipv6_find_idev(dev);
+-      if (IS_ERR(idev)) {
+-              pr_debug("%s: add_dev failed\n", __func__);
++      idev = addrconf_add_dev(dev);
++      if (IS_ERR(idev))
+               return;
+-      }
+ 
+       /* Generate the IPv6 link-local address using addrconf_addr_gen(),
+        * unless we have an IPv4 GRE device not bound to an IP address and
+@@ -3471,9 +3469,6 @@ static void addrconf_gre_config(struct net_device *dev)
+       }
+ 
+       add_v4_addrs(idev);
+-
+-      if (dev->flags & IFF_POINTOPOINT)
+-              addrconf_add_mroute(dev);
+ }
+ #endif
+ 
+diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
+index d3852526ef52ec..08c3908f562ed7 100644
+--- a/net/netlink/af_netlink.c
++++ b/net/netlink/af_netlink.c
+@@ -387,7 +387,6 @@ static void netlink_skb_set_owner_r(struct sk_buff *skb, 
struct sock *sk)
+       WARN_ON(skb->sk != NULL);
+       skb->sk = sk;
+       skb->destructor = netlink_skb_destructor;
+-      atomic_add(skb->truesize, &sk->sk_rmem_alloc);
+       sk_mem_charge(sk, skb->truesize);
+ }
+ 
+@@ -1211,41 +1210,48 @@ static struct sk_buff 
*netlink_alloc_large_skb(unsigned int size,
+ int netlink_attachskb(struct sock *sk, struct sk_buff *skb,
+                     long *timeo, struct sock *ssk)
+ {
++      DECLARE_WAITQUEUE(wait, current);
+       struct netlink_sock *nlk;
++      unsigned int rmem;
+ 
+       nlk = nlk_sk(sk);
++      rmem = atomic_add_return(skb->truesize, &sk->sk_rmem_alloc);
+ 
+-      if ((atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf ||
+-           test_bit(NETLINK_S_CONGESTED, &nlk->state))) {
+-              DECLARE_WAITQUEUE(wait, current);
+-              if (!*timeo) {
+-                      if (!ssk || netlink_is_kernel(ssk))
+-                              netlink_overrun(sk);
+-                      sock_put(sk);
+-                      kfree_skb(skb);
+-                      return -EAGAIN;
+-              }
+-
+-              __set_current_state(TASK_INTERRUPTIBLE);
+-              add_wait_queue(&nlk->wait, &wait);
++      if ((rmem == skb->truesize || rmem < READ_ONCE(sk->sk_rcvbuf)) &&
++          !test_bit(NETLINK_S_CONGESTED, &nlk->state)) {
++              netlink_skb_set_owner_r(skb, sk);
++              return 0;
++      }
+ 
+-              if ((atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf ||
+-                   test_bit(NETLINK_S_CONGESTED, &nlk->state)) &&
+-                  !sock_flag(sk, SOCK_DEAD))
+-                      *timeo = schedule_timeout(*timeo);
++      atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
+ 
+-              __set_current_state(TASK_RUNNING);
+-              remove_wait_queue(&nlk->wait, &wait);
++      if (!*timeo) {
++              if (!ssk || netlink_is_kernel(ssk))
++                      netlink_overrun(sk);
+               sock_put(sk);
++              kfree_skb(skb);
++              return -EAGAIN;
++      }
+ 
+-              if (signal_pending(current)) {
+-                      kfree_skb(skb);
+-                      return sock_intr_errno(*timeo);
+-              }
+-              return 1;
++      __set_current_state(TASK_INTERRUPTIBLE);
++      add_wait_queue(&nlk->wait, &wait);
++      rmem = atomic_read(&sk->sk_rmem_alloc);
++
++      if (((rmem && rmem + skb->truesize > READ_ONCE(sk->sk_rcvbuf)) ||
++           test_bit(NETLINK_S_CONGESTED, &nlk->state)) &&
++          !sock_flag(sk, SOCK_DEAD))
++              *timeo = schedule_timeout(*timeo);
++
++      __set_current_state(TASK_RUNNING);
++      remove_wait_queue(&nlk->wait, &wait);
++      sock_put(sk);
++
++      if (signal_pending(current)) {
++              kfree_skb(skb);
++              return sock_intr_errno(*timeo);
+       }
+-      netlink_skb_set_owner_r(skb, sk);
+-      return 0;
++
++      return 1;
+ }
+ 
+ static int __netlink_sendskb(struct sock *sk, struct sk_buff *skb)
+@@ -1305,6 +1311,7 @@ static int netlink_unicast_kernel(struct sock *sk, 
struct sk_buff *skb,
+       ret = -ECONNREFUSED;
+       if (nlk->netlink_rcv != NULL) {
+               ret = skb->len;
++              atomic_add(skb->truesize, &sk->sk_rmem_alloc);
+               netlink_skb_set_owner_r(skb, sk);
+               NETLINK_CB(skb).sk = ssk;
+               netlink_deliver_tap_kernel(sk, ssk, skb);
+@@ -1383,13 +1390,19 @@ EXPORT_SYMBOL_GPL(netlink_strict_get_check);
+ static int netlink_broadcast_deliver(struct sock *sk, struct sk_buff *skb)
+ {
+       struct netlink_sock *nlk = nlk_sk(sk);
++      unsigned int rmem, rcvbuf;
+ 
+-      if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf &&
++      rmem = atomic_add_return(skb->truesize, &sk->sk_rmem_alloc);
++      rcvbuf = READ_ONCE(sk->sk_rcvbuf);
++
++      if ((rmem == skb->truesize || rmem <= rcvbuf) &&
+           !test_bit(NETLINK_S_CONGESTED, &nlk->state)) {
+               netlink_skb_set_owner_r(skb, sk);
+               __netlink_sendskb(sk, skb);
+-              return atomic_read(&sk->sk_rmem_alloc) > (sk->sk_rcvbuf >> 1);
++              return rmem > (rcvbuf >> 1);
+       }
++
++      atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
+       return -1;
+ }
+ 
+@@ -2202,6 +2215,7 @@ static int netlink_dump(struct sock *sk, bool lock_taken)
+       struct netlink_ext_ack extack = {};
+       struct netlink_callback *cb;
+       struct sk_buff *skb = NULL;
++      unsigned int rmem, rcvbuf;
+       size_t max_recvmsg_len;
+       struct module *module;
+       int err = -ENOBUFS;
+@@ -2215,9 +2229,6 @@ static int netlink_dump(struct sock *sk, bool lock_taken)
+               goto errout_skb;
+       }
+ 
+-      if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf)
+-              goto errout_skb;
+-
+       /* NLMSG_GOODSIZE is small to avoid high order allocations being
+        * required, but it makes sense to _attempt_ a 16K bytes allocation
+        * to reduce number of system calls on dump operations, if user
+@@ -2240,6 +2251,13 @@ static int netlink_dump(struct sock *sk, bool 
lock_taken)
+       if (!skb)
+               goto errout_skb;
+ 
++      rcvbuf = READ_ONCE(sk->sk_rcvbuf);
++      rmem = atomic_add_return(skb->truesize, &sk->sk_rmem_alloc);
++      if (rmem != skb->truesize && rmem >= rcvbuf) {
++              atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
++              goto errout_skb;
++      }
++
+       /* Trim skb to allocated size. User is expected to provide buffer as
+        * large as max(min_dump_alloc, 16KiB (mac_recvmsg_len capped at
+        * netlink_recvmsg())). dump will pack as many smaller messages as
+diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
+index 99e10eea373217..658b592e58e058 100644
+--- a/net/rxrpc/call_accept.c
++++ b/net/rxrpc/call_accept.c
+@@ -270,6 +270,9 @@ static struct rxrpc_call *rxrpc_alloc_incoming_call(struct 
rxrpc_sock *rx,
+       unsigned short call_tail, conn_tail, peer_tail;
+       unsigned short call_count, conn_count;
+ 
++      if (!b)
++              return NULL;
++
+       /* #calls >= #conns >= #peers must hold true. */
+       call_head = smp_load_acquire(&b->call_backlog_head);
+       call_tail = b->call_backlog_tail;
+diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
+index 222921b4751f35..d12e76cdbff6b6 100644
+--- a/net/sched/sch_api.c
++++ b/net/sched/sch_api.c
+@@ -331,17 +331,22 @@ struct Qdisc *qdisc_lookup_rcu(struct net_device *dev, 
u32 handle)
+       return q;
+ }
+ 
+-static struct Qdisc *qdisc_leaf(struct Qdisc *p, u32 classid)
++static struct Qdisc *qdisc_leaf(struct Qdisc *p, u32 classid,
++                              struct netlink_ext_ack *extack)
+ {
+       unsigned long cl;
+       const struct Qdisc_class_ops *cops = p->ops->cl_ops;
+ 
+-      if (cops == NULL)
+-              return NULL;
++      if (cops == NULL) {
++              NL_SET_ERR_MSG(extack, "Parent qdisc is not classful");
++              return ERR_PTR(-EOPNOTSUPP);
++      }
+       cl = cops->find(p, classid);
+ 
+-      if (cl == 0)
+-              return NULL;
++      if (cl == 0) {
++              NL_SET_ERR_MSG(extack, "Specified class not found");
++              return ERR_PTR(-ENOENT);
++      }
+       return cops->leaf(p, cl);
+ }
+ 
+@@ -1462,7 +1467,7 @@ static int tc_get_qdisc(struct sk_buff *skb, struct 
nlmsghdr *n,
+                                       NL_SET_ERR_MSG(extack, "Failed to find 
qdisc with specified classid");
+                                       return -ENOENT;
+                               }
+-                              q = qdisc_leaf(p, clid);
++                              q = qdisc_leaf(p, clid, extack);
+                       } else if (dev_ingress_queue(dev)) {
+                               q = dev_ingress_queue(dev)->qdisc_sleeping;
+                       }
+@@ -1473,6 +1478,8 @@ static int tc_get_qdisc(struct sk_buff *skb, struct 
nlmsghdr *n,
+                       NL_SET_ERR_MSG(extack, "Cannot find specified qdisc on 
specified device");
+                       return -ENOENT;
+               }
++              if (IS_ERR(q))
++                      return PTR_ERR(q);
+ 
+               if (tcm->tcm_handle && q->handle != tcm->tcm_handle) {
+                       NL_SET_ERR_MSG(extack, "Invalid handle");
+@@ -1569,7 +1576,9 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct 
nlmsghdr *n,
+                                       NL_SET_ERR_MSG(extack, "Failed to find 
specified qdisc");
+                                       return -ENOENT;
+                               }
+-                              q = qdisc_leaf(p, clid);
++                              q = qdisc_leaf(p, clid, extack);
++                              if (IS_ERR(q))
++                                      return PTR_ERR(q);
+                       } else if (dev_ingress_queue_create(dev)) {
+                               q = dev_ingress_queue(dev)->qdisc_sleeping;
+                       }
+diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c
+index e3b427a703980d..4292c0f1e3daa3 100644
+--- a/net/tipc/topsrv.c
++++ b/net/tipc/topsrv.c
+@@ -699,8 +699,10 @@ static void tipc_topsrv_stop(struct net *net)
+       for (id = 0; srv->idr_in_use; id++) {
+               con = idr_find(&srv->conn_idr, id);
+               if (con) {
++                      conn_get(con);
+                       spin_unlock_bh(&srv->idr_lock);
+                       tipc_conn_close(con);
++                      conn_put(con);
+                       spin_lock_bh(&srv->idr_lock);
+               }
+       }
+diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
+index 036bdcc9d5c510..c4006e09db0914 100644
+--- a/net/vmw_vsock/af_vsock.c
++++ b/net/vmw_vsock/af_vsock.c
+@@ -400,6 +400,8 @@ EXPORT_SYMBOL_GPL(vsock_enqueue_accept);
+ 
+ static bool vsock_use_local_transport(unsigned int remote_cid)
+ {
++      lockdep_assert_held(&vsock_register_mutex);
++
+       if (!transport_local)
+               return false;
+ 
+@@ -457,6 +459,8 @@ int vsock_assign_transport(struct vsock_sock *vsk, struct 
vsock_sock *psk)
+ 
+       remote_flags = vsk->remote_addr.svm_flags;
+ 
++      mutex_lock(&vsock_register_mutex);
++
+       switch (sk->sk_type) {
+       case SOCK_DGRAM:
+               new_transport = transport_dgram;
+@@ -472,12 +476,15 @@ int vsock_assign_transport(struct vsock_sock *vsk, 
struct vsock_sock *psk)
+                       new_transport = transport_h2g;
+               break;
+       default:
+-              return -ESOCKTNOSUPPORT;
++              ret = -ESOCKTNOSUPPORT;
++              goto err;
+       }
+ 
+       if (vsk->transport) {
+-              if (vsk->transport == new_transport)
+-                      return 0;
++              if (vsk->transport == new_transport) {
++                      ret = 0;
++                      goto err;
++              }
+ 
+               /* transport->release() must be called with sock lock acquired.
+                * This path can only be taken during vsock_connect(), where we
+@@ -501,8 +508,16 @@ int vsock_assign_transport(struct vsock_sock *vsk, struct 
vsock_sock *psk)
+       /* We increase the module refcnt to prevent the transport unloading
+        * while there are open sockets assigned to it.
+        */
+-      if (!new_transport || !try_module_get(new_transport->module))
+-              return -ENODEV;
++      if (!new_transport || !try_module_get(new_transport->module)) {
++              ret = -ENODEV;
++              goto err;
++      }
++
++      /* It's safe to release the mutex after a successful try_module_get().
++       * Whichever transport `new_transport` points at, it won't go away until
++       * the last module_put() below or in vsock_deassign_transport().
++       */
++      mutex_unlock(&vsock_register_mutex);
+ 
+       if (sk->sk_type == SOCK_SEQPACKET) {
+               if (!new_transport->seqpacket_allow ||
+@@ -521,12 +536,31 @@ int vsock_assign_transport(struct vsock_sock *vsk, 
struct vsock_sock *psk)
+       vsk->transport = new_transport;
+ 
+       return 0;
++err:
++      mutex_unlock(&vsock_register_mutex);
++      return ret;
+ }
+ EXPORT_SYMBOL_GPL(vsock_assign_transport);
+ 
++/*
++ * Provide safe access to static transport_{h2g,g2h,dgram,local} callbacks.
++ * Otherwise we may race with module removal. Do not use on `vsk->transport`.
++ */
++static u32 vsock_registered_transport_cid(const struct vsock_transport 
**transport)
++{
++      u32 cid = VMADDR_CID_ANY;
++
++      mutex_lock(&vsock_register_mutex);
++      if (*transport)
++              cid = (*transport)->get_local_cid();
++      mutex_unlock(&vsock_register_mutex);
++
++      return cid;
++}
++
+ bool vsock_find_cid(unsigned int cid)
+ {
+-      if (transport_g2h && cid == transport_g2h->get_local_cid())
++      if (cid == vsock_registered_transport_cid(&transport_g2h))
+               return true;
+ 
+       if (transport_h2g && cid == VMADDR_CID_HOST)
+@@ -2293,18 +2327,19 @@ static long vsock_dev_do_ioctl(struct file *filp,
+                              unsigned int cmd, void __user *ptr)
+ {
+       u32 __user *p = ptr;
+-      u32 cid = VMADDR_CID_ANY;
+       int retval = 0;
++      u32 cid;
+ 
+       switch (cmd) {
+       case IOCTL_VM_SOCKETS_GET_LOCAL_CID:
+               /* To be compatible with the VMCI behavior, we prioritize the
+                * guest CID instead of well-know host CID (VMADDR_CID_HOST).
+                */
+-              if (transport_g2h)
+-                      cid = transport_g2h->get_local_cid();
+-              else if (transport_h2g)
+-                      cid = transport_h2g->get_local_cid();
++              cid = vsock_registered_transport_cid(&transport_g2h);
++              if (cid == VMADDR_CID_ANY)
++                      cid = vsock_registered_transport_cid(&transport_h2g);
++              if (cid == VMADDR_CID_ANY)
++                      cid = vsock_registered_transport_cid(&transport_local);
+ 
+               if (put_user(cid, p) != 0)
+                       retval = -EFAULT;
+diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
+index 08ca410ef551b9..3f36e3d2d9a202 100644
+--- a/sound/soc/fsl/fsl_asrc.c
++++ b/sound/soc/fsl/fsl_asrc.c
+@@ -513,7 +513,8 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair 
*pair, bool use_ideal_rate)
+       regmap_update_bits(asrc->regmap, REG_ASRCTR,
+                          ASRCTR_ATSi_MASK(index), ASRCTR_ATS(index));
+       regmap_update_bits(asrc->regmap, REG_ASRCTR,
+-                         ASRCTR_USRi_MASK(index), 0);
++                         ASRCTR_IDRi_MASK(index) | ASRCTR_USRi_MASK(index),
++                         ASRCTR_USR(index));
+ 
+       /* Set the input and output clock sources */
+       regmap_update_bits(asrc->regmap, REG_ASRCSR,

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