Re: [Qemu-devel] [PATCH]virtio: virtqueue_get_avail_bytes: fix desc_pa when loop over the indirect descriptor table

[Stefan Hajnoczi <stefanha@gmail.com>]

On Thu, Aug 22, 2013 at 02:47:16PM +0800, yinyin wrote:
> virtqueue_get_avail_bytes: when found a indirect desc, we need loop over it.
>            /* loop over the indirect descriptor table */
>            indirect = 1;
>            max = vring_desc_len(desc_pa, i) / sizeof(VRingDesc);
>            num_bufs = i = 0;
>            desc_pa = vring_desc_addr(desc_pa, i);
> But, It init i to 0, then use i to update desc_pa. so we will always get:
> desc_pa = vring_desc_addr(desc_pa, 0);
> the last two line should swap.
> 
> Signed-off-by: Yin Yin <yin.yin@cs2c.com.cn>
> ---
>  hw/virtio/virtio.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>