Re: [PATCH v3 0/2] MR2496: Fix hang when a program calls IMFMediaSession_Start with an invalid source.

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/mf/session.c:
>  if (SUCCEEDED(hr))
>      hr = IMFRateControl_GetRate(session->clock_rate_control, NULL, &clock_rate);
>
> - if (SUCCEEDED(hr) && (rate != clock_rate))
> - if (SUCCEEDED(hr) && (rate != clock_rate) && !SUCCEEDED(hr = session_subscribe_sources(session)))

Why !SUCCEEDED()?