diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 3d8deac2353d045964c52981a1eaac96d6f23025..f8cac3702712028ef596ce994c7b872cc4e353d1 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1388,6 +1388,9 @@ br_multicast_leave_group(struct net_bridge *br,
 			if (!br_port_group_equal(p, port, src))
 				continue;
 
+			if (p->flags & MDB_PG_FLAGS_PERMANENT)
+				break;
+
 			rcu_assign_pointer(*pp, p->next);
 			hlist_del_init(&p->mglist);
 			del_timer(&p->timer);