| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.10 42/56] bridge: mdb: fix double add notification | Date | Tue, 29 Sep 2015 15:47:30 +0200 |
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3.10-stable review patch. If anyone has any objections, please let me know.
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From: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
[ Upstream commit 5ebc784625ea68a9570d1f70557e7932988cd1b4 ]
Since the mdb add/del code was introduced there have been 2 br_mdb_notify calls when doing br_mdb_add() resulting in 2 notifications on each add.
Example: Command: bridge mdb add dev br0 port eth1 grp 239.0.0.1 permanent Before patch: root@debian:~# bridge monitor all [MDB]dev br0 port eth1 grp 239.0.0.1 permanent [MDB]dev br0 port eth1 grp 239.0.0.1 permanent
After patch: root@debian:~# bridge monitor all [MDB]dev br0 port eth1 grp 239.0.0.1 permanent
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Fixes: cfd567543590 ("bridge: add support of adding and deleting mdb entries") Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- net/bridge/br_mdb.c | 1 - 1 file changed, 1 deletion(-)
--- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -345,7 +345,6 @@ static int br_mdb_add_group(struct net_b return -ENOMEM; rcu_assign_pointer(*pp, p); - br_mdb_notify(br->dev, port, group, RTM_NEWMDB); return 0; }
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