[BRIDGE]: Use rtnl registration interface

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br.c b/net/bridge/br.c
index 2994387..601c37d 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -47,7 +47,10 @@
 	if (err)
 		goto err_out2;
 
-	br_netlink_init();
+	err = br_netlink_init();
+	if (err)
+		goto err_out3;
+
 	brioctl_set(br_ioctl_deviceless_stub);
 	br_handle_frame_hook = br_handle_frame;
 
@@ -55,7 +58,8 @@
 	br_fdb_put_hook = br_fdb_put;
 
 	return 0;
-
+err_out3:
+	unregister_netdevice_notifier(&br_device_notifier);
 err_out2:
 	br_netfilter_fini();
 err_out1: