netdev - [PATCH net-next 1/2] bridge: multicast: notify on group delete

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Message-Id: <1436969811-13237-2-git-send-email-nikolay@cumulusnetworks.com>
Date:	Wed, 15 Jul 2015 07:16:50 -0700
From:	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
To:	netdev@...r.kernel.org
Cc:	bridge@...ts.linux-foundation.org, herbert@...dor.apana.org.au,
	davem@...emloft.net, stephen@...workplumber.org,
	sashok@...ulusnetworks.com,
	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Subject: [PATCH net-next 1/2] bridge: multicast: notify on group delete

Group notifications were not sent when a group expired or was deleted
due to bridge/port device being deleted. So add br_mdb_notify() to
br_multicast_del_pg().

Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
---
 net/bridge/br_multicast.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 5a44cd9473f2..55903d91d0a8 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -273,6 +273,8 @@ static void br_multicast_del_pg(struct net_bridge *br,
 		rcu_assign_pointer(*pp, p->next);
 		hlist_del_init(&p->mglist);
 		del_timer(&p->timer);
+		br_mdb_notify(br->dev, p->port, &pg->addr, RTM_DELMDB,
+			      p->state);
 		call_rcu_bh(&p->rcu, br_multicast_free_pg);
 
 		if (!mp->ports && !mp->mglist &&
-- 
1.9.3

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