tree 1f7410a566554747361af7b05c2a29b9ca83cccb
parent 424bb9c97cc1992018950485ca7410779b8ea21d
author Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> 1391759306 +0900
committer David S. Miller <davem@davemloft.net> 1392071674 -0800

bridge: Prevent possible race condition in br_fdb_change_mac_address

br_fdb_change_mac_address() calls fdb_insert()/fdb_delete() without
br->hash_lock.

These hash list updates are racy with br_fdb_update()/br_fdb_cleanup().

Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>