The initial value of nalloc is -1, but not 1.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-id:
1541479952-32355-1-git-send-email-dongli.zhang@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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);