bridge: convert br_features_recompute() to ndo_fix_features

Note: netdev_update_features() needs only rtnl_lock as br->port_list
is only changed while holding it.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_notify.c b/net/bridge/br_notify.c
index 606b323..6545ee9 100644
--- a/net/bridge/br_notify.c
+++ b/net/bridge/br_notify.c
@@ -66,10 +66,7 @@
 		break;
 
 	case NETDEV_FEAT_CHANGE:
-		spin_lock_bh(&br->lock);
-		if (netif_running(br->dev))
-			br_features_recompute(br);
-		spin_unlock_bh(&br->lock);
+		netdev_update_features(br->dev);
 		break;
 
 	case NETDEV_DOWN: