No need to check set->nr_hw_queues twice in blk_mq_alloc_tag_set(), remove the latter one.
Signed-off-by: hujianyang <hujiany...@huawei.com> --- block/blk-mq.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index a7d4a98..eddeccc 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -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) { -- 1.6.0.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/