diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index 142b294d34468508f80457a6e3b5ffc35c680f07..b0b9413fa5bf9c150c0339fe8ca97b581ba52c10 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -127,6 +127,9 @@ static void dsa_switch_mdb_add_bitmap(struct dsa_switch *ds,
 {
 	int port;
 
+	if (!ds->ops->port_mdb_add)
+		return;
+
 	for_each_set_bit(port, bitmap, ds->num_ports)
 		ds->ops->port_mdb_add(ds, port, mdb);
 }