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block: use blk_free_flush_queue() to free hctx->fq in blk_mq_init_hctx

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[ Upstream commit b9a1ff504b9492ad6beb7d5606e0e3365d4d8499 ]

kfree() can leak the hctx->fq->flush_rq field.

Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shenghui Wang <shhuiw@foxmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Shenghui Wang 2019-04-01 21:40:36 +08:00 • committed by Greg Kroah-Hartman
commit e5be04ee17
1 changed files with 1 additions and 1 deletions
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2
block/blk-mq.c
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@ -2236,7 +2236,7 @@ static int blk_mq_init_hctx(struct request_queue *q,
return 0;
free_fq:
kfree(hctx->fq);
blk_free_flush_queue(hctx->fq);
exit_hctx:
if (set->ops->exit_hctx)
set->ops->exit_hctx(hctx, hctx_idx);