[PATCH 1/3] ddraw: Fix ddraw[1-4] light activation / deactivation.

[Henri Verbeet]

On Thu, 28 Mar 2019 at 15:54, Paul Gofman <gofmanp at gmail.com> wrote:
> +    TRACE("current_viewport %p, iface %p.\n", device->current_viewport,
> +            &device->current_viewport->IDirect3DViewport3_iface);
> +    IDirect3DViewport3_AddRef(viewport);
> +    if (device->current_viewport)
This is fairly harmless in practice, but note that
"device->current_viewport" may be NULL in the TRACE above. I don't
think we really care about tracing the "iface" pointer anyway.