Re: [PATCH v3 0/1] MR9742: mf: Prevent invalid topologies from being started.

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/mf/session.c:
> session_raise_topology_set(session, topology, hr);
>
> /* With no current topology set it right away, otherwise queue. */
> -    if (topology)
> +    if (SUCCEEDED(hr) && topology)
>      {
>          struct queued_topology *queued_topology;

At this point you don't know if topology is going to work really. If Load() failed we should simply reset "topology" to null.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9742#note_129050