Merge branch '3.4-rc1' into android-tegra-nv-3.3-rebased

Change-Id: Ib3b69ffc5ac3e07c9cc44cc49e9142088eec477e
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

6 files changed, 16 insertions, 15 deletions

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 19acd00a6382..4136987d94da 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -119,7 +119,6 @@ Version 0.0.6    2.1.110   07-aug-98   Eduardo Marcelo Serrat
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <net/flow.h>
-#include <asm/system.h>
 #include <asm/ioctls.h>
 #include <linux/capability.h>
 #include <linux/mm.h>
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 74d321a60e7b..c00e3077988c 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -42,7 +42,6 @@
 #include <linux/notifier.h>
 #include <linux/slab.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <net/net_namespace.h>
 #include <net/neighbour.h>
 #include <net/dst.h>
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index befe426491ba..ee7013f24fca 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -205,17 +205,23 @@ static int dn_neigh_output_packet(struct sk_buff *skb)
 	struct neighbour *neigh = dst_get_neighbour_noref(dst);
 	struct net_device *dev = neigh->dev;
 	char mac_addr[ETH_ALEN];
+	unsigned int seq;
+	int err;
 
 	dn_dn2eth(mac_addr, rt->rt_local_src);
-	if (dev_hard_header(skb, dev, ntohs(skb->protocol), neigh->ha,
-			    mac_addr, skb->len) >= 0)
-		return dev_queue_xmit(skb);
-
-	if (net_ratelimit())
-		printk(KERN_DEBUG "dn_neigh_output_packet: oops, can't send packet\n");
-
-	kfree_skb(skb);
-	return -EINVAL;
+	do {
+		seq = read_seqbegin(&neigh->ha_lock);
+		err = dev_hard_header(skb, dev, ntohs(skb->protocol),
+				      neigh->ha, mac_addr, skb->len);
+	} while (read_seqretry(&neigh->ha_lock, seq));
+
+	if (err >= 0)
+		err = dev_queue_xmit(skb);
+	else {
+		kfree_skb(skb);
+		err = -EINVAL;
+	}
+	return err;
 }
 
 static int dn_long_output(struct neighbour *neigh, struct sk_buff *skb)
diff --git a/net/decnet/dn_nsp_in.c b/net/decnet/dn_nsp_in.c
index 73fa268fe2e8..f6544b2c91b0 100644
--- a/net/decnet/dn_nsp_in.c
+++ b/net/decnet/dn_nsp_in.c
@@ -60,7 +60,6 @@
 #include <linux/slab.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/termios.h>
diff --git a/net/decnet/dn_nsp_out.c b/net/decnet/dn_nsp_out.c
index bd78836a81eb..e446e85e64a6 100644
--- a/net/decnet/dn_nsp_out.c
+++ b/net/decnet/dn_nsp_out.c
@@ -52,7 +52,6 @@
 #include <linux/route.h>
 #include <linux/slab.h>
 #include <net/sock.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/termios.h>
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index f31ce72dca65..80a3de4906d3 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -724,11 +724,10 @@ static int dn_output(struct sk_buff *skb)
 	struct dn_route *rt = (struct dn_route *)dst;
 	struct net_device *dev = dst->dev;
 	struct dn_skb_cb *cb = DN_SKB_CB(skb);
-	struct neighbour *neigh;
 
 	int err = -EINVAL;
 
-	if ((neigh = dst_get_neighbour_noref(dst)) == NULL)
+	if (dst_get_neighbour_noref(dst) == NULL)
 		goto error;
 
 	skb->dev = dev;