| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.19 28/52] block: use blk_free_flush_queue() to free hctx->fq in blk_mq_init_hctx | Date | Wed, 24 Apr 2019 10:38:46 -0400 |
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From: Shenghui Wang <shhuiw@foxmail.com>
[ 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> --- block/blk-mq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c index 7d53f2314d7c..414656796ecf 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -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); -- 2.19.1
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