nvmet-loop: fix possible leakage during error flow (5812d04c) · Commits · 戴 / test

During nvme_loop_queue_rq error flow, one must call nvme_cleanup_cmd since it's symmetric to nvme_setup_cmd. Signed-off-by:

drivers/nvme/target/loop.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -157,8 +157,10 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
		iod->sg_table.sgl = iod->first_sgl;
		if (sg_alloc_table_chained(&iod->sg_table,
		blk_rq_nr_phys_segments(req),
		iod->sg_table.sgl, SG_CHUNK_SIZE))
		iod->sg_table.sgl, SG_CHUNK_SIZE)) {
		nvme_cleanup_cmd(req);
		return BLK_STS_RESOURCE;
		}

		iod->req.sg = iod->sg_table.sgl;
		iod->req.sg_cnt = blk_rq_map_sg(req->q, req, iod->sg_table.sgl);