On 09/12/2014 12:18 AM, Michael S. Tsirkin wrote:
> On vm stop, vm_running state set to stopped
> before device is notified, so callbacks can get envoked with
> vm_running = false; and this is not an error.

This is consistent with virtio-blk which also has such kinds of
callbacks. This fixes the issue of qemu crashing when stop during
transmission.

Acked-by: Jason Wang <jasow...@redhat.com>
> Cc: qemu-sta...@nongnu.org
> Cc: Jason Wang <jasow...@redhat.com>
> Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
> ---
>  hw/net/virtio-net.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
> index 826a2a5..2040eac 100644
> --- a/hw/net/virtio-net.c
> +++ b/hw/net/virtio-net.c
> @@ -1125,8 +1125,6 @@ static int32_t virtio_net_flush_tx(VirtIONetQueue *q)
>          return num_packets;
>      }
>  
> -    assert(vdev->vm_running);
> -
>      if (q->async_tx.elem.out_num) {
>          virtio_queue_set_notification(q->tx_vq, 0);
>          return num_packets;


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