Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[mv-sheeva.git] / net / ipv4 / devinet.c

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 126bb911880fa675861f4b1940655e18fcbe1774..3863c3a4223f45f84167b9a50c708049822f1ce4 100644 (file)
--- a/net/ipv4/devinet.c
+++ b/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) {