diff --git a/[refs] b/[refs]
index 49539d1d1495..ae5b0da64c02 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aebcf82c1fe9231be5cb4f9c1362d5db39e7d7b2
+refs/heads/master: a66207121f85c54a3df4d347a3c5bdf6cb154b09
diff --git a/trunk/net/core/dev.c b/trunk/net/core/dev.c
index 4ced3836690b..7153e94f50ad 100644
--- a/trunk/net/core/dev.c
+++ b/trunk/net/core/dev.c
@@ -3971,6 +3971,8 @@ void synchronize_net(void)
 
 void unregister_netdevice(struct net_device *dev)
 {
+	ASSERT_RTNL();
+
 	rollback_registered(dev);
 	/* Finish processing unregister after unlock */
 	net_set_todo(dev);