Merge tag 'asoc-v5.2-5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...

[platform/kernel/linux-rpi.git] / net / bridge / br_multicast.c

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 02da21d..45e7f41 100644 (file)
--- 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)