From f84d3d4735a1c96a745c453de8390936a7eb72d3 Mon Sep 17 00:00:00 2001
From: Sebastien Buisson <sebastien.buisson@bull.net>
Date: Thu, 25 Jul 2013 01:17:26 +0800
Subject: [PATCH] staging/lustre: fix 'data race condition' issues in
 at_reset()

Fix 'data race condition' defects found by Coverity version
6.5.0:
Data race condition (MISSING_LOCK)
Accessing variable without holding lock. Elsewhere,
this variable is accessed with lock held.

at_reset() needs to take at->at_lock before modifying its members.

Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2744
Lustre-change: http://review.whamcloud.com/6569
Signed-off-by: Sebastien Buisson <sebastien.buisson@bull.net>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Keith Mannthey <keith.mannthey@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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