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-rw-r--r--net/bridge/br_multicast.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 02da21d771c9..45e7f4173bba 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)