staging: lustre: o2iblnd: fix race at kiblnd_connect_peer
authorDoug Oucahrek <dougso@me.com>
Wed, 2 May 2018 05:22:19 +0000 (22:22 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 3 Aug 2018 05:55:23 +0000 (07:55 +0200)
commit30f32e09af72473965dfd1f1d86550df3a45112f
tree90df1518ee9fcd433e6d85c4983d92ee3484cc8f
parent749c6f0e3b5d22a50c026c75b06c030650a46af2
staging: lustre: o2iblnd: fix race at kiblnd_connect_peer

[ Upstream commit cf04968efe341b9b1c30a527e5dd61b2af9c43d2 ]

cmid will be destroyed at OFED if kiblnd_cm_callback return error.
if error happen before the end of kiblnd_connect_peer, it will touch
destroyed cmid and fail as
(o2iblnd_cb.c:1315:kiblnd_connect_peer())
            ASSERTION( cmid->device != ((void *)0) ) failed:

Signed-off-by: Alexander Boyko <alexander.boyko@seagate.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10015
Reviewed-by: Alexey Lyashkov <c17817@cray.com>
Reviewed-by: Doug Oucharek <dougso@me.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Signed-off-by: Doug Oucharek <dougso@me.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c