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authorXiaoguang Wang <wangxg.fnst@cn.fujitsu.com>2015-03-30 13:19:14 +0800
committerJens Axboe <axboe@fb.com>2015-03-30 09:04:27 -0600
commitf9018ac9308ea415e659cfbdda040504ef92597b (patch)
tree291929592e7fcbc757d94138728249eb48ab8169 /block
parent271508dba2c3fc307e7c44e2731a2ece70a4025e (diff)
downloadlinux-stericsson-f9018ac9308ea415e659cfbdda040504ef92597b.tar.gz
block: remove redundant check about 'set->nr_hw_queues' in blk_mq_alloc_tag_set()
At the beginning of blk_mq_alloc_tag_set(), we have already checked whether 'set->nr_hw_queues' is zero, so here remove this redundant check. Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 59fa23935a0f..37f14362aa15 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2174,7 +2174,7 @@ 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) {