diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 247514793101..40bda804fbd9 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -617,8 +617,6 @@ struct net_bridge_mdb_entry *br_multicast_new_group(struct net_bridge *br,
 
 	mp->br = br;
 	mp->addr = *group;
-	setup_timer(&mp->timer, br_multicast_group_expired,
-		    (unsigned long)mp);
 
 	hlist_add_head_rcu(&mp->hlist[mdb->ver], &mdb->mhash[hash]);
 	mdb->size++;
@@ -656,7 +654,6 @@ static int br_multicast_add_group(struct net_bridge *br,
 	struct net_bridge_mdb_entry *mp;
 	struct net_bridge_port_group *p;
 	struct net_bridge_port_group __rcu **pp;
-	unsigned long now = jiffies;
 	int err;
 
 	spin_lock(&br->multicast_lock);
@@ -671,7 +668,6 @@ static int br_multicast_add_group(struct net_bridge *br,
 
 	if (!port) {
 		mp->mglist = true;
-		mod_timer(&mp->timer, now + br->multicast_membership_interval);
 		goto out;
 	}
 
@@ -679,7 +675,7 @@ static int br_multicast_add_group(struct net_bridge *br,
 	     (p = mlock_dereference(*pp, br)) != NULL;
 	     pp = &p->next) {
 		if (p->port == port)
-			goto found;
+			goto out;
 		if ((unsigned long)p->port < (unsigned long)port)
 			break;
 	}
@@ -690,8 +686,6 @@ static int br_multicast_add_group(struct net_bridge *br,
 	rcu_assign_pointer(*pp, p);
 	br_mdb_notify(br->dev, port, group, RTM_NEWMDB);
 
-found:
-	mod_timer(&p->timer, now + br->multicast_membership_interval);
 out:
 	err = 0;
 
@@ -1131,6 +1125,10 @@ static int br_ip4_multicast_query(struct net_bridge *br,
 	if (!mp)
 		goto out;
 
+	setup_timer(&mp->timer, br_multicast_group_expired, (unsigned long)mp);
+	mod_timer(&mp->timer, now + br->multicast_membership_interval);
+	mp->timer_armed = true;
+
 	max_delay *= br->multicast_last_member_count;
 
 	if (mp->mglist &&
@@ -1205,6 +1203,10 @@ static int br_ip6_multicast_query(struct net_bridge *br,
 	if (!mp)
 		goto out;
 
+	setup_timer(&mp->timer, br_multicast_group_expired, (unsigned long)mp);
+	mod_timer(&mp->timer, now + br->multicast_membership_interval);
+	mp->timer_armed = true;
+
 	max_delay *= br->multicast_last_member_count;
 	if (mp->mglist &&
 	    (timer_pending(&mp->timer) ?
@@ -1263,7 +1265,7 @@ static void br_multicast_leave_group(struct net_bridge *br,
 			call_rcu_bh(&p->rcu, br_multicast_free_pg);
 			br_mdb_notify(br->dev, port, group, RTM_DELMDB);
 
-			if (!mp->ports && !mp->mglist &&
+			if (!mp->ports && !mp->mglist && mp->timer_armed &&
 			    netif_running(br->dev))
 				mod_timer(&mp->timer, jiffies);
 		}
@@ -1275,30 +1277,12 @@ static void br_multicast_leave_group(struct net_bridge *br,
 		     br->multicast_last_member_interval;
 
 	if (!port) {
-		if (mp->mglist &&
+		if (mp->mglist && mp->timer_armed &&
 		    (timer_pending(&mp->timer) ?
 		     time_after(mp->timer.expires, time) :
 		     try_to_del_timer_sync(&mp->timer) >= 0)) {
 			mod_timer(&mp->timer, time);
 		}
-
-		goto out;
-	}
-
-	for (p = mlock_dereference(mp->ports, br);
-	     p != NULL;
-	     p = mlock_dereference(p->next, br)) {
-		if (p->port != port)
-			continue;
-
-		if (!hlist_unhashed(&p->mglist) &&
-		    (timer_pending(&p->timer) ?
-		     time_after(p->timer.expires, time) :
-		     try_to_del_timer_sync(&p->timer) >= 0)) {
-			mod_timer(&p->timer, time);
-		}
-
-		break;
 	}
 
 out:
@@ -1674,6 +1658,7 @@ void br_multicast_stop(struct net_bridge *br)
 		hlist_for_each_entry_safe(mp, n, &mdb->mhash[i],
 					  hlist[ver]) {
 			del_timer(&mp->timer);
+			mp->timer_armed = false;
 			call_rcu_bh(&mp->rcu, br_multicast_free_group);
 		}
 	}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index e260710a01d4..1b0ac95a5c37 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -112,6 +112,7 @@ struct net_bridge_mdb_entry
 	struct timer_list		timer;
 	struct br_ip			addr;
 	bool				mglist;
+	bool				timer_armed;
 };
 
 struct net_bridge_mdb_htable