blk-mq: cleanup additional nr_hw_queues check

PATCH New hujianyang 1 participant 1 message Jan 15, 2015 Block layer

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hujianyang

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2015-01-15 05:42 UTC #0 lore raw

PATCH 1/1 blk-mq: cleanup additional nr_hw_queues check

No need to check set->nr_hw_queues twice in blk_mq_alloc_tag_set(), remove the latter one.

Signed-off-by hujianyang <[email protected]>

---
 block/blk-mq.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

block/blk-mq.c +1 -1

index a7d4a98..eddeccc 100644
@@ -2097,7 +2097,7 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set)
 	if (set->queue_depth < set->reserved_tags + BLK_MQ_TAG_MIN)
 		return -EINVAL;
 
-	if (!set->nr_hw_queues || !set->ops->queue_rq || !set->ops->map_queue)
+	if (!set->ops->queue_rq || !set->ops->map_queue)
 		return -EINVAL;
 
 	if (set->queue_depth > BLK_MQ_MAX_DEPTH) {

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1.6.0.2