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 (Microsoft) 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 16f9675c57e6..97eba6d23425 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2341,7 +2341,7 @@ 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);