Re: [PATCH] hw: virtio-pmem: detach the element fromt the virtqueue when error occurs

[Li Qiang]

Kindly ping.

Li Qiang <liq3ea@163.com> 于2020年8月14日周五 上午12:52写道：
>
> If error occurs while processing the virtio request we should call
> 'virtqueue_detach_element' to detach the element from the virtqueue
> before free the elem.
>
> Signed-off-by: Li Qiang <liq3ea@163.com>
> ---
>  hw/virtio/virtio-pmem.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/hw/virtio/virtio-pmem.c b/hw/virtio/virtio-pmem.c
> index 1e0c137497..ddb0125901 100644
> --- a/hw/virtio/virtio-pmem.c
> +++ b/hw/virtio/virtio-pmem.c
> @@ -77,6 +77,7 @@ static void virtio_pmem_flush(VirtIODevice *vdev, VirtQueue 
> *vq)
>
>      if (req_data->elem.out_num < 1 || req_data->elem.in_num < 1) {
>          virtio_error(vdev, "virtio-pmem request not proper");
> +        virtqueue_detach_element(vq, (VirtQueueElement *)req_data, 0);
>          g_free(req_data);
>          return;
>      }
> --
> 2.17.1
>
>