Re: [Qemu-devel] [PATCH v3 1/2] virtio: check VirtQueue Vring object is set

[Stefan Hajnoczi]

On Sat, Nov 25, 2017 at 12:04:45AM +0530, P J P wrote:
> @@ -1426,6 +1429,9 @@ hwaddr virtio_queue_get_addr(VirtIODevice *vdev, int n)
>  void virtio_queue_set_rings(VirtIODevice *vdev, int n, hwaddr desc,
>                              hwaddr avail, hwaddr used)
>  {
> +    if (!vdev->vq[n].vring.num || !desc || !vdev->vq[n].vring.align) {

Why !desc?

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