diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index af3ee288bc11793c6b155865336f7aff288be585..b6e6bacfa6bf6468306f1cd3f4971301021527dc 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -1107,6 +1107,9 @@ EXPORT_SYMBOL_GPL(dma_async_device_channel_register);
 static void __dma_async_device_channel_unregister(struct dma_device *device,
 						  struct dma_chan *chan)
 {
+	if (chan->local == NULL)
+		return;
+
 	WARN_ONCE(!device->device_release && chan->client_count,
 		  "%s called while %d clients hold a reference\n",
 		  __func__, chan->client_count);
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 24f643982903a40b9957539f49973b2b3f6d643d..79249568bdec347cb5155c9f77e0378ebbdd7b33 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -1213,6 +1213,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
 out:
 	if (fb)
 		drm_framebuffer_put(fb);
+	fb = NULL;
 	if (plane->old_fb)
 		drm_framebuffer_put(plane->old_fb);
 	plane->old_fb = NULL;
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 0c4bc42b55c206f478edab6f6b17ebb1b21255c4..97bce4f50be938e20cc174389836a4fa52f76a16 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -63,11 +63,11 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd);
 static int scsi_try_to_abort_cmd(struct scsi_host_template *,
 				 struct scsi_cmnd *);
 
-void scsi_eh_wakeup(struct Scsi_Host *shost)
+void scsi_eh_wakeup(struct Scsi_Host *shost, unsigned int busy)
 {
 	lockdep_assert_held(shost->host_lock);
 
-	if (scsi_host_busy(shost) == shost->host_failed) {
+	if (busy == shost->host_failed) {
 		trace_scsi_eh_wakeup(shost);
 		wake_up_process(shost->ehandler);
 		SCSI_LOG_ERROR_RECOVERY(5, shost_printk(KERN_INFO, shost,
@@ -90,7 +90,7 @@ void scsi_schedule_eh(struct Scsi_Host *shost)
 	if (scsi_host_set_state(shost, SHOST_RECOVERY) == 0 ||
 	    scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY) == 0) {
 		shost->host_eh_scheduled++;
-		scsi_eh_wakeup(shost);
+		scsi_eh_wakeup(shost, scsi_host_busy(shost));
 	}
 
 	spin_unlock_irqrestore(shost->host_lock, flags);
@@ -245,7 +245,7 @@ static void scsi_eh_inc_host_failed(struct rcu_head *head)
 
 	spin_lock_irqsave(shost->host_lock, flags);
 	shost->host_failed++;
-	scsi_eh_wakeup(shost);
+	scsi_eh_wakeup(shost, scsi_host_busy(shost));
 	spin_unlock_irqrestore(shost->host_lock, flags);
 }
 
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 0a265a3e3dc688baa51a32152e90bd6ae36e61e9..78a5ead8a0989c5603ed3535fb3d9a202ad8c444 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -312,7 +312,7 @@ static void scsi_dec_host_busy(struct Scsi_Host *shost, struct scsi_cmnd *cmd)
 	if (unlikely(scsi_host_in_recovery(shost))) {
 		spin_lock_irqsave(shost->host_lock, flags);
 		if (shost->host_failed || shost->host_eh_scheduled)
-			scsi_eh_wakeup(shost);
+			scsi_eh_wakeup(shost, scsi_host_busy(shost));
 		spin_unlock_irqrestore(shost->host_lock, flags);
 	}
 	rcu_read_unlock();
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 180636d54982d0db670ecaf1b3b158f1eca08956..ba39c21196f502c8a3e83ad3e3fe3c07eea5affc 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -74,7 +74,7 @@ extern void scmd_eh_abort_handler(struct work_struct *work);
 extern enum blk_eh_timer_return scsi_times_out(struct request *req);
 extern int scsi_error_handler(void *host);
 extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
-extern void scsi_eh_wakeup(struct Scsi_Host *shost);
+extern void scsi_eh_wakeup(struct Scsi_Host *shost, unsigned int busy);
 extern void scsi_eh_scmd_add(struct scsi_cmnd *);
 void scsi_eh_ready_devs(struct Scsi_Host *shost,
 			struct list_head *work_q,
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 5c373ebde016e43897229300b75acedd0393aa17..614a847c2815f81d968622b4503dad0a43abcfb2 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1303,7 +1303,8 @@ static int ext4_write_end(struct file *file,
 
 	trace_ext4_write_end(inode, pos, len, copied);
 
-	if (ext4_has_inline_data(inode))
+	if (ext4_has_inline_data(inode) &&
+	    ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA))
 		return ext4_write_inline_data_end(inode, pos, len, copied, page);
 
 	copied = block_write_end(file, mapping, pos, len, copied, page, fsdata);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 8ba56a28027b575821cbf2063d20aef5d663e28d..ea2202a229d954d6bbfb4f614680ea589023011d 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -824,6 +824,24 @@ void ext4_mb_generate_buddy(struct super_block *sb,
 	spin_unlock(&sbi->s_bal_lock);
 }
 
+static void mb_regenerate_buddy(struct ext4_buddy *e4b)
+{
+	int count;
+	int order = 1;
+	void *buddy;
+
+	while ((buddy = mb_find_buddy(e4b, order++, &count)))
+		ext4_set_bits(buddy, 0, count);
+
+	e4b->bd_info->bb_fragments = 0;
+	memset(e4b->bd_info->bb_counters, 0,
+		sizeof(*e4b->bd_info->bb_counters) *
+		(e4b->bd_sb->s_blocksize_bits + 2));
+
+	ext4_mb_generate_buddy(e4b->bd_sb, e4b->bd_buddy,
+		e4b->bd_bitmap, e4b->bd_group, e4b->bd_info);
+}
+
 /* The buddy information is attached the buddy cache inode
  * for convenience. The information regarding each group
  * is loaded via ext4_mb_load_buddy. The information involve
@@ -1506,6 +1524,8 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
 			ext4_mark_group_bitmap_corrupted(
 				sb, e4b->bd_group,
 				EXT4_GROUP_INFO_BBITMAP_CORRUPT);
+		} else {
+			mb_regenerate_buddy(e4b);
 		}
 		goto done;
 	}
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index ff901aade442f9701a29bad5c57c8988d32d3a37..568121fa0965c5fcb3e619ca7858ddbb90509b8f 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -339,4 +339,12 @@ static inline bool inet_csk_has_ulp(struct sock *sk)
 	return inet_sk(sk)->is_icsk && !!inet_csk(sk)->icsk_ulp_ops;
 }
 
+static inline void inet_init_csk_locks(struct sock *sk)
+{
+	struct inet_connection_sock *icsk = inet_csk(sk);
+
+	spin_lock_init(&icsk->icsk_accept_queue.rskq_lock);
+	spin_lock_init(&icsk->icsk_accept_queue.fastopenq.lock);
+}
+
 #endif /* _INET_CONNECTION_SOCK_H */
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 37f162d812bc0957959970da2f880a8d960411d0..b09bcb259ad6e2b35c3bdf65e8562a05c8301c14 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -954,7 +954,9 @@ static void neigh_periodic_work(struct work_struct *work)
 			if (refcount_read(&n->refcnt) == 1 &&
 			    (state == NUD_FAILED ||
 			     time_after(jiffies, n->used + NEIGH_VAR(n->parms, GC_STALETIME)))) {
-				*np = n->next;
+				rcu_assign_pointer(*np,
+					rcu_dereference_protected(n->next,
+						lockdep_is_held(&tbl->lock)));
 				neigh_mark_dead(n);
 				write_unlock(&n->lock);
 				neigh_cleanup_and_release(n);
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index f35c2e9984062ba4bed637eaeace4eb9e71dadc0..63de5c635842b6f9e6d92f2a28a69009e54ec68c 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -33,9 +33,6 @@
 
 void reqsk_queue_alloc(struct request_sock_queue *queue)
 {
-	spin_lock_init(&queue->rskq_lock);
-
-	spin_lock_init(&queue->fastopenq.lock);
 	queue->fastopenq.rskq_rst_head = NULL;
 	queue->fastopenq.rskq_rst_tail = NULL;
 	queue->fastopenq.qlen = 0;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index b8671d601978f14c1a845c29a97f14505afb299c..780e1ac8b32e636b9384698e17128e6fa82f7791 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -327,6 +327,9 @@ static int inet_create(struct net *net, struct socket *sock, int protocol,
 	if (INET_PROTOSW_REUSE & answer_flags)
 		sk->sk_reuse = SK_CAN_REUSE;
 
+	if (INET_PROTOSW_ICSK & answer_flags)
+		inet_init_csk_locks(sk);
+
 	inet = inet_sk(sk);
 	inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0;
 
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 3e70e11117dfe9b5075df3f9ec1678cd9e376523..e97244ccad2bdf328612852deba3392236a054c4 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -537,6 +537,10 @@ struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern)
 	}
 	if (req)
 		reqsk_put(req);
+
+	if (newsk)
+		inet_init_csk_locks(newsk);
+
 	return newsk;
 out_err:
 	newsk = NULL;