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block: Remove a duplicative condition

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Remove a duplicative condition to remove below cppcheck warnings:

"warning: Redundant condition: sched_allow_merge. '!A || (A && B)' is
equivalent to '!A || B' [redundantCondition]"

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Baolin Wang 2020-09-02 09:45:25 +08:00 committed by Jens Axboe
parent 8327cce5ff
commit 265600b7b6
1 changed files with 2 additions and 4 deletions
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6
block/blk-merge.c
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@ -996,13 +996,11 @@ static enum bio_merge_status blk_attempt_bio_merge(struct request_queue *q,
switch (blk_try_merge(rq, bio)) {
case ELEVATOR_BACK_MERGE:
if (!sched_allow_merge ||
(sched_allow_merge && blk_mq_sched_allow_merge(q, rq, bio)))
if (!sched_allow_merge || blk_mq_sched_allow_merge(q, rq, bio))
return bio_attempt_back_merge(rq, bio, nr_segs);
break;
case ELEVATOR_FRONT_MERGE:
if (!sched_allow_merge ||
(sched_allow_merge && blk_mq_sched_allow_merge(q, rq, bio)))
if (!sched_allow_merge || blk_mq_sched_allow_merge(q, rq, bio))
return bio_attempt_front_merge(rq, bio, nr_segs);
break;
case ELEVATOR_DISCARD_MERGE: