Eugenio Pérez <eperezma@xxxxxxxxxx> wrote:
> The -1 assumes that all devices with no cvq have an spare vq allocated
> for them, but with no offer of VIRTIO_NET_F_CTRL_VQ. This may not be the
> case, and the device may have a pair number of queues.
>
> To fix this, just resort to the lower even number of queues.
>
> Fixes: 049eb15b5fc9 ("vhost: record the last virtqueue index for the
> virtio device")
> Signed-off-by: Eugenio Pérez <eperezma@xxxxxxxxxx>
Reviewed-by: Juan Quintela <quintela@xxxxxxxxxx>
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