---

yaml
---
r: 300759
b: refs/heads/master
c: c83b8fa
h: refs/heads/master
i:
  300757: 86507ee
  300755: b4e81ad
  300751: dba54e4
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 748572162a2bc3ce6f0b215e25ad601c3ec33e77
+refs/heads/master: c83b8fab06fc8c80d6440649f117bb7541df5fd0

trunk/net/bridge/br_multicast.c

@@ -36,6 +36,8 @@
 #define mlock_dereference(X, br) \
 	rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock))
 
+static void br_multicast_start_querier(struct net_bridge *br);
+
 #if IS_ENABLED(CONFIG_IPV6)
 static inline int ipv6_is_transient_multicast(const struct in6_addr *addr)
 {
@@ -740,6 +742,21 @@ static void br_multicast_local_router_expired(unsigned long data)
 {
 }
 
+static void br_multicast_querier_expired(unsigned long data)
+{
+	struct net_bridge_port *port = (void *)data;
+	struct net_bridge *br = port->br;
+
+	spin_lock(&br->multicast_lock);
+	if (!netif_running(br->dev) || br->multicast_disabled)
+		goto out;
+
+	br_multicast_start_querier(br);
+
+out:
+	spin_unlock(&br->multicast_lock);
+}
+
 static void __br_multicast_send_query(struct net_bridge *br,
 				      struct net_bridge_port *port,
 				      struct br_ip *ip)
@@ -1562,7 +1579,7 @@ void br_multicast_init(struct net_bridge *br)
 	setup_timer(&br->multicast_router_timer,
 		    br_multicast_local_router_expired, 0);
 	setup_timer(&br->multicast_querier_timer,
-		    br_multicast_local_router_expired, 0);
+		    br_multicast_querier_expired, 0);
 	setup_timer(&br->multicast_query_timer, br_multicast_query_expired,
 		    (unsigned long)br);
 }