net/dsa/port.c

662 	struct net_device *bridge_dev;
674 	bridge_dev = netdev_master_upper_dev_get(lag_dev);
675 	if (!bridge_dev || !netif_is_bridge_master(bridge_dev))
678 	err = dsa_port_bridge_join(dp, bridge_dev, extack);
1434 	struct net_device *bridge_dev = dsa_port_bridge_dev_get(dp);
1445 	if (bridge_dev) {
1446 		dsa_port_pre_bridge_leave(dp, bridge_dev);
1447 		dsa_port_bridge_leave(dp, bridge_dev);
1485 	if (bridge_dev) {
1486 		err = dsa_port_bridge_join(dp, bridge_dev, extack);
1519 	if (bridge_dev) {
1520 		tmp = dsa_port_bridge_join(dp, bridge_dev, extack);
1524 				dp->index, bridge_dev->name, ERR_PTR(tmp));