On Wed, Jun 15, 2011 at 10:25:24PM +0800, Amos Kong wrote:
> 'head' is an index of VirtQueueElement, it should less than vring.num
>
> Signed-off-by: Amos Kong <akong@xxxxxxxxxx>
> ---
> hw/virtio.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/hw/virtio.c b/hw/virtio.c
> index 6e8814c..a3d0eee 100644
> --- a/hw/virtio.c
> +++ b/hw/virtio.c
> @@ -271,7 +271,7 @@ static unsigned int virtqueue_get_head(VirtQueue *vq, unsigned int idx)
>
> /* If their number is silly, that's a fatal mistake. */
> if (head >= vq->vring.num) {
> - error_report("Guest says index %u is available", head);
> + error_report("Guest says index %u is unavailable", head);
> exit(1);
> }
>
That does not seem right. So the message says that an illegal value
was made available - that is, put in the available ring.
The original message seems correct to me.
--
MST
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