Module: wine Branch: master Commit: 3e8b14adb38431a075eb9cc96f482f27d46f1fe0 URL: https://source.winehq.org/git/wine.git/?a=commit;h=3e8b14adb38431a075eb9cc96... Author: Nikolay Sivov <nsivov(a)codeweavers.com> Date: Thu Apr 18 14:35:30 2019 +0300 mfreadwrite: Output warning for uninitialized stream descriptor. Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/mfreadwrite/main.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/dlls/mfreadwrite/main.c b/dlls/mfreadwrite/main.c index fd9062f..7625669 100644 --- a/dlls/mfreadwrite/main.c +++ b/dlls/mfreadwrite/main.c @@ -727,7 +727,13 @@ static DWORD reader_get_first_stream_index(IMFPresentationDescriptor *descriptor { hr = IMFMediaTypeHandler_GetMajorType(handler, &guid); IMFMediaTypeHandler_Release(handler); - if (SUCCEEDED(hr) && IsEqualGUID(&guid, major)) + if (FAILED(hr)) + { + WARN("Failed to get stream major type, hr %#x.\n", hr); + continue; + } + + if (IsEqualGUID(&guid, major)) { return i; }