diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index f6b6a92..cb0131d 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -320,7 +320,8 @@ void br_netpoll_disable(struct net_bridge_port *p)
 
 #endif
 
-static int br_add_slave(struct net_device *dev, struct net_device *slave_dev)
+static int br_add_slave(struct net_device *dev, struct net_device *slave_dev,
+			struct netlink_ext_ack *extack)
 
 {
 	struct net_bridge *br = netdev_priv(dev);