From 0c9539a431bd4e4cbe475eb17e587f3ac06f2ae2 Mon Sep 17 00:00:00 2001 From: Omar Sandoval Date: Tue, 28 Mar 2017 16:12:16 -0700 Subject: [PATCH] blk-mq: fix leak of q->stats blk_alloc_queue_node() already allocates q->stats, so blk_mq_init_allocated_queue() is overwriting it with a new allocation. Fixes: a83b576c9c25 ("block: fix stacked driver stats init and free") Reviewed-by: Ming Lei Signed-off-by: Omar Sandoval Signed-off-by: Jens Axboe --- block/blk-mq.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index 0ed00eca4d5a..182776877a55 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -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) -- 2.39.2