X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=net%2Fbridge%2Fbr_multicast.c;h=45e7f4173bbafe7e59e2ea514a7bccbee8456c79;hb=ed97c988bdc61ab6fb5d1f5f02a709844557b68f;hp=02da21d771c9cc7d93c442f0310ad2ab5d9b66f6;hpb=cf60528f8ab805ba03e21ce4ce6ab11647cede9b;p=platform%2Fkernel%2Flinux-rpi.git

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 02da21d..45e7f41 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -2031,7 +2031,8 @@ static void br_multicast_start_querier(struct net_bridge *br,
 
 	__br_multicast_open(br, query);
 
-	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;
@@ -2043,6 +2044,7 @@ static void br_multicast_start_querier(struct net_bridge *br,
 			br_multicast_enable(&port->ip6_own_query);
 #endif
 	}
+	rcu_read_unlock();
 }
 
 int br_multicast_toggle(struct net_bridge *br, unsigned long val)