staging: lustre: o2iblnd: fix race at kiblnd_connect_peer

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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>

...

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Doug Oucahrek 2018-05-01 22:22:19 -07:00 • committed by Greg Kroah-Hartman

parent 24d4b7c8de

commit cf04968efe

1 changed files with 12 additions and 6 deletions

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drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c

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