diff options
Diffstat (limited to 'drivers/block/virtio_blk.c')
| -rw-r--r-- | drivers/block/virtio_blk.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index dcbf86cd2155..6a77fa917428 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -334,14 +334,16 @@ static blk_status_t virtblk_prep_rq(struct blk_mq_hw_ctx *hctx, struct virtblk_req *vbr) { blk_status_t status; + int num; status = virtblk_setup_cmd(vblk->vdev, req, vbr); if (unlikely(status)) return status; - vbr->sg_table.nents = virtblk_map_data(hctx, req, vbr); - if (unlikely(vbr->sg_table.nents < 0)) + num = virtblk_map_data(hctx, req, vbr); + if (unlikely(num < 0)) return virtblk_fail_to_queue(req, -ENOMEM); + vbr->sg_table.nents = num; blk_mq_start_request(req); |