Re: [PATCH net-next v2] virtio_net: Reuse buffer free function

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On Tue, Jan 17, 2023 at 4:27 AM Parav Pandit <parav@xxxxxxxxxx> wrote:
>
> virtnet_rq_free_unused_buf() helper function to free the buffer
> already exists. Avoid code duplication by reusing existing function.
>
> Reviewed-by: Alexander Duyck <alexanderduyck@xxxxxx>
> Reviewed-by: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Parav Pandit <parav@xxxxxxxxxx>

Acked-by: Jason Wang <jasowang@xxxxxxxxxx>

Thanks

> ---
>  drivers/net/virtio_net.c | 8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 7723b2a49d8e..31d037df514f 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -1251,13 +1251,7 @@ static void receive_buf(struct virtnet_info *vi, struct receive_queue *rq,
>         if (unlikely(len < vi->hdr_len + ETH_HLEN)) {
>                 pr_debug("%s: short packet %i\n", dev->name, len);
>                 dev->stats.rx_length_errors++;
> -               if (vi->mergeable_rx_bufs) {
> -                       put_page(virt_to_head_page(buf));
> -               } else if (vi->big_packets) {
> -                       give_pages(rq, buf);
> -               } else {
> -                       put_page(virt_to_head_page(buf));
> -               }
> +               virtnet_rq_free_unused_buf(rq->vq, buf);
>                 return;
>         }
>
> --
> 2.26.2
>

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