diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index a09ea178348c..15f2525099c4 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1772,13 +1772,15 @@ static void br_multicast_start_querier(struct net_bridge *br)
 
 	br_multicast_open(br);
 
-	list_for_each_entry(port, &br->port_list, list) {
+	rcu_read_lock();
+	list_for_each_entry_rcu(port, &br->port_list, list) {
 		if (port->state == BR_STATE_DISABLED ||
 		    port->state == BR_STATE_BLOCKING)
 			continue;
 
 		__br_multicast_enable_port(port);
 	}
+	rcu_read_unlock();
 }
 
 int br_multicast_toggle(struct net_bridge *br, unsigned long val)