diff --git a/[refs] b/[refs]
index 6c6910e49947..f650dd3ebcde 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5007392d8512e666107dc356d4c2e05627b9029b
+refs/heads/master: 9b8adb5ea005fe73acd5dd58f9bd47eafa74c9d1
diff --git a/trunk/net/ipv4/devinet.c b/trunk/net/ipv4/devinet.c
index 126bb911880f..3863c3a4223f 100644
--- a/trunk/net/ipv4/devinet.c
+++ b/trunk/net/ipv4/devinet.c
@@ -1347,7 +1347,8 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write,
 		struct net *net = ctl->extra2;
 
 		if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING)) {
-			rtnl_lock();
+			if (!rtnl_trylock())
+				return restart_syscall();
 			if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING)) {
 				inet_forward_change(net);
 			} else if (*valp) {