Commit e61809ed authored by Dongli Zhang's avatar Dongli Zhang Committed by Stefan Hajnoczi
Browse files

virtio-blk: fix comment for virtio_blk_rw_complete as nalloc is initially -1 



The initial value of nalloc is -1, but not 1.

Signed-off-by: default avatarDongli Zhang <dongli.zhang@oracle.com>
Reviewed-by: default avatarLaurent Vivier <laurent@vivier.eu>
Message-id: 1541479952-32355-1-git-send-email-dongli.zhang@oracle.com
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent 5636da76

hw/block/virtio-blk.c

+1 −1
Original line number Diff line number Diff line
@@ -96,7 +96,7 @@ static void virtio_blk_rw_complete(void *opaque, int ret) 
        trace_virtio_blk_rw_complete(vdev, req, ret);



        if (req->qiov.nalloc != -1) {

            /* If nalloc is != 1 req->qiov is a local copy of the original

            /* If nalloc is != -1 req->qiov is a local copy of the original

             * external iovec. It was allocated in submit_requests to be

             * able to merge requests. */

            qemu_iovec_destroy(&req->qiov);