Messages in this thread Patch in this message | | | From | Peng Tao <> | Subject | [PATCH 43/48] staging/lustre/build: fix 'data race condition' issues | Date | Tue, 23 Jul 2013 00:07:04 +0800 |
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From: Sebastien Buisson <sebastien.buisson@bull.net>
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.
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> --- .../staging/lustre/lustre/include/lustre_import.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/staging/lustre/lustre/include/lustre_import.h b/drivers/staging/lustre/lustre/include/lustre_import.h index 3a5dd6a..67259eb 100644 --- a/drivers/staging/lustre/lustre/include/lustre_import.h +++ b/drivers/staging/lustre/lustre/include/lustre_import.h @@ -336,9 +336,11 @@ static inline unsigned int at_timeout2est(unsigned int val) } static inline void at_reset(struct adaptive_timeout *at, int val) { + spin_lock(&at->at_lock); at->at_current = val; at->at_worst_ever = val; at->at_worst_time = cfs_time_current_sec(); + spin_unlock(&at->at_lock); } static inline void at_init(struct adaptive_timeout *at, int val, int flags) { memset(at, 0, sizeof(*at)); -- 1.7.9.5
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