On Mon, Mar 24, 2025 at 6:44 AM Jason Wang <jasowang@xxxxxxxxxx> wrote:
>
> Use u16 for last_used_idx in virtqueue_poll_split() to align with the
> spec.
>
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
> ---
> drivers/virtio/virtio_ring.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
> index 19aa24d62d20..a2884eae14d9 100644
> --- a/drivers/virtio/virtio_ring.c
> +++ b/drivers/virtio/virtio_ring.c
> @@ -801,7 +801,7 @@ static void detach_buf_split(struct vring_virtqueue *vq, unsigned int head,
> }
>
> static bool virtqueue_poll_split(const struct vring_virtqueue *vq,
> - unsigned int last_used_idx)
> + u16 last_used_idx)
> {
> return (u16)last_used_idx != virtio16_to_cpu(vq->vq.vdev,
So this cast to u16 is not needed anymore, isn't it?
> vq->split.vring.used->idx);
> --
> 2.42.0
>
