> On Jan 16, 2025, at 17:54, Maxime Coquelin <maxime.coque...@redhat.com> wrote:
>
> External email: Use caution opening links or attachments
>
>
> This patch fixes the rte_vhost_dequeue_burst return value
> when the virtqueue is not ready. Without it, a discrepancy
> between the packet array and its size is faced by the caller
> of this API when the virtqueue is not ready.
>
> Fixes: 9fc93a1e2320 ("vhost: fix virtqueue access check in datapath")
> Cc: sta...@dpdk.org
>
> Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com>
> ---
> lib/vhost/virtio_net.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/lib/vhost/virtio_net.c b/lib/vhost/virtio_net.c
> index 69901ab3b5..a340e5a772 100644
> --- a/lib/vhost/virtio_net.c
> +++ b/lib/vhost/virtio_net.c
> @@ -3629,6 +3629,8 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
> rte_rwlock_read_unlock(&vq->access_lock);
>
> virtio_dev_vring_translate(dev, vq);
> +
> + count = 0;
> goto out_no_unlock;
> }
>
> --
> 2.47.1
>
Reviewed-by: Chenbo Xia <chen...@nvidia.com>
