netns bridge: cleanup bridges during netns stop

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Stephen Hemminger <shemming@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 66c4f71..573e20f 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -446,13 +446,13 @@
 	return 0;
 }
 
-void __exit br_cleanup_bridges(void)
+void br_net_exit(struct net *net)
 {
 	struct net_device *dev;
 
 	rtnl_lock();
 restart:
-	for_each_netdev(&init_net, dev) {
+	for_each_netdev(net, dev) {
 		if (dev->priv_flags & IFF_EBRIDGE) {
 			del_br(dev->priv);
 			goto restart;