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blk-mq: fix leak of q->stats

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blk_alloc_queue_node() already allocates q->stats, so
blk_mq_init_allocated_queue() is overwriting it with a new allocation.

Fixes: a83b576c9c ("block: fix stacked driver stats init and free")
Reviewed-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Omar Sandoval 2017-03-28 16:12:16 -07:00 committed by Jens Axboe
parent 334335d2f7
commit 0c9539a431
1 changed files with 0 additions and 4 deletions
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4
block/blk-mq.c
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@ -2234,10 +2234,6 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
/* mark the queue as mq asap */
q->mq_ops = set->ops;
q->stats = blk_alloc_queue_stats();
if (!q->stats)
goto err_exit;
q->poll_cb = blk_stat_alloc_callback(blk_mq_poll_stats_fn,
blk_stat_rq_ddir, 2, q);
if (!q->poll_cb)