On Fri, Jul 24, 2026 at 05:37:59PM +0800, Weimin Xiong wrote:
> From: Xiong Weimin <[email protected]>
>
> In vhost_virtqueue_start(), the call to vhost_virtqueue_mask() has a
> TODO comment indicating errors are not handled. Add proper error
> checking and propagate errors to the caller.
>
> Signed-off-by: Xiong Weimin <[email protected]>
why is this part of this patchset?
> ---
> hw/virtio/vhost.c | 10 +++++++--
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
> index 1234567890ab..fedcba098765 4321006
> --- a/hw/virtio/vhost.c
> +++ b/hw/virtio/vhost.c
> @@ -1467,9 +1467,13 @@ static int vhost_virtqueue_start(struct VirtIODevice
> *vdev,
> * will do it later.
> */
> if (!vdev->use_guest_notifier_mask) {
> - /* TODO: check and handle errors. */
> - vhost_virtqueue_mask(dev, vdev, idx, false);
> + int r = vhost_virtqueue_mask(dev, vdev, idx, false);
> + if (r < 0) {
> + VHOST_OPS_DEBUG(r, "vhost_virtqueue_mask failed");
> + r = -1;
> + goto fail;
> + }
and then what happens?
> }
>
> if (k->query_guest_notifiers &&