Merge tag 'v4.8' into patchwork

Linux 4.8

* tag 'v4.8': (1761 commits)
  Linux 4.8
  ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7
  MIPS: CM: Fix mips_cm_max_vp_width for non-MT kernels on MT systems
  include/linux/property.h: fix typo/compile error
  ocfs2: fix deadlock on mmapped page in ocfs2_write_begin_nolock()
  mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()
  MAINTAINERS: Switch to kernel.org email address for Javi Merino
  x86/entry/64: Fix context tracking state warning when load_gs_index fails
  x86/boot: Initialize FPU and X86_FEATURE_ALWAYS even if we don't have CPUID
  x86/vdso: Fix building on big endian host
  x86/boot: Fix another __read_cr4() case on 486
  sctp: fix the issue sctp_diag uses lock_sock in rcu_read_lock
  sctp: change to check peer prsctp_capable when using prsctp polices
  sctp: remove prsctp_param from sctp_chunk
  sctp: move sent_count to the memory hole in sctp_chunk
  tg3: Avoid NULL pointer dereference in tg3_io_error_detected()
  x86/init: Fix cr4_init_shadow() on CR4-less machines
  MIPS: Fix detection of unsupported highmem with cache aliases
  MIPS: Malta: Fix IOCU disable switch read for MIPS64
  MIPS: Fix BUILD_ROLLBACK_PROLOGUE for microMIPS
  ...

4 files changed, 13 insertions, 6 deletions

diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
index b62caa1c770c..ed97a5876ebe 100644
--- a/net/tipc/monitor.c
+++ b/net/tipc/monitor.c
@@ -728,12 +728,13 @@ int tipc_nl_add_monitor_peer(struct net *net, struct tipc_nl_msg *msg,
 			     u32 bearer_id, u32 *prev_node)
 {
 	struct tipc_monitor *mon = tipc_monitor(net, bearer_id);
-	struct tipc_peer *peer = mon->self;
+	struct tipc_peer *peer;
 
 	if (!mon)
 		return -EINVAL;
 
 	read_lock_bh(&mon->lock);
+	peer = mon->self;
 	do {
 		if (*prev_node) {
 			if (peer->addr == *prev_node)
diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index 6b626a64b517..a04fe9be1c60 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -62,6 +62,8 @@ static void publ_to_item(struct distr_item *i, struct publication *p)
 
 /**
  * named_prepare_buf - allocate & initialize a publication message
+ *
+ * The buffer returned is of size INT_H_SIZE + payload size
  */
 static struct sk_buff *named_prepare_buf(struct net *net, u32 type, u32 size,
 					 u32 dest)
@@ -141,9 +143,9 @@ static void named_distribute(struct net *net, struct sk_buff_head *list,
 	struct publication *publ;
 	struct sk_buff *skb = NULL;
 	struct distr_item *item = NULL;
-	uint msg_dsz = (tipc_node_get_mtu(net, dnode, 0) / ITEM_SIZE) *
-			ITEM_SIZE;
-	uint msg_rem = msg_dsz;
+	u32 msg_dsz = ((tipc_node_get_mtu(net, dnode, 0) - INT_H_SIZE) /
+			ITEM_SIZE) * ITEM_SIZE;
+	u32 msg_rem = msg_dsz;
 
 	list_for_each_entry(publ, pls, local_list) {
 		/* Prepare next buffer: */
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index c49b8df438cb..f9f5f3c3dab5 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -2180,7 +2180,8 @@ restart:
 					      TIPC_CONN_MSG, SHORT_H_SIZE,
 					      0, dnode, onode, dport, oport,
 					      TIPC_CONN_SHUTDOWN);
-			tipc_node_xmit_skb(net, skb, dnode, tsk->portid);
+			if (skb)
+				tipc_node_xmit_skb(net, skb, dnode, tsk->portid);
 		}
 		tsk->connected = 0;
 		sock->state = SS_DISCONNECTING;
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index b016c011970b..ae7e14cae085 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -396,10 +396,13 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b,
 	tuncfg.encap_destroy = NULL;
 	setup_udp_tunnel_sock(net, ub->ubsock, &tuncfg);
 
-	if (enable_mcast(ub, remote))
+	err = enable_mcast(ub, remote);
+	if (err)
 		goto err;
 	return 0;
 err:
+	if (ub->ubsock)
+		udp_tunnel_sock_release(ub->ubsock);
 	kfree(ub);
 	return err;
 }