From: Sebastien Buisson <[email protected]> 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 <[email protected]> Reviewed-by: Bob Glossman <[email protected]> Reviewed-by: Keith Mannthey <[email protected]> Reviewed-by: Oleg Drokin <[email protected]> Signed-off-by: Peng Tao <[email protected]> Signed-off-by: Andreas Dilger <[email protected]> --- .../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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
