Commit e5be04ee authored Apr 01, 2019 by Shenghui Wang Committed by Greg Kroah-Hartman May 08, 2019

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



[ 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>

parent 177edf25

block/blk-mq.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);