Re: [PATCH 2/2] virtio-iommu: delete vqs in unrealize to fix memleaks

[Stefano Garzarella]

On Fri, Mar 27, 2020 at 11:56:50AM +0800, Pan Nengyuan wrote:
> req_vq/event_vq forgot to free in unrealize(). Fix that.
> 
> Signed-off-by: Pan Nengyuan <pannengy...@huawei.com>
> ---
> Cc: Eric Auger <eric.au...@redhat.com>
> ---
>  hw/virtio/virtio-iommu.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
> index 4cee8083bc..9d2ff0693c 100644
> --- a/hw/virtio/virtio-iommu.c
> +++ b/hw/virtio/virtio-iommu.c
> @@ -696,6 +696,8 @@ static void virtio_iommu_device_unrealize(DeviceState 
> *dev, Error **errp)
>      g_tree_destroy(s->domains);
>      g_tree_destroy(s->endpoints);
>  
> +    virtio_delete_queue(s->req_vq);
> +    virtio_delete_queue(s->event_vq);
>      virtio_cleanup(vdev);
>  }

Hi Pan,
thanks for this fix.

Since we are here, should we also clean 's->as_by_busptr' hash table?

Maybe adding this in the unrealize:

    g_hash_table_destroy(s->as_by_busptr);

Thanks,
Stefano