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-rw-r--r--net/bridge/br_multicast.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 3d4b2817687f..9b379e110129 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);