net: emphasize rtnl lock required in call_netdevice_notifiers

Since netdev_chain is guarded by rtnl_lock, ASSERT_RTNL should be present here to make sure that all callers of call_netdevice_notifiers does the locking properly. Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
Baughn · Apr 20, 2010 · ab93047 · ab93047
1 parent b249dcb
commit ab93047
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/core/dev.c b/net/core/dev.c
@@ -1435,6 +1435,7 @@ EXPORT_SYMBOL(unregister_netdevice_notifier);
 
 int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
 {
+	ASSERT_RTNL();
 	return raw_notifier_call_chain(&netdev_chain, val, dev);
 }