Re: [Qemu-devel] [PATCH V3 1/3] virtio: guard against NULL pfn

[Cornelia Huck]

On Tue, 14 Mar 2017 11:01:40 +0800
Jason Wang <address@hidden> wrote:

> To avoid access stale memory region cache after reset, this patch
> check the existence of virtqueue pfn for all exported virtqueue access
> helpers before trying to use them.
> 
> Cc: Cornelia Huck <address@hidden>
> Cc: Paolo Bonzini <address@hidden>
> Signed-off-by: Jason Wang <address@hidden>
> ---
> Changes from V2:
> - return 1 instead of 0 for virtio_queue_empty_*(), and return as
>   early as possible
> ---
>  hw/virtio/virtio.c | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)

Reviewed-by: Cornelia Huck <address@hidden>