diff --git a/dlls/amstream/ddrawstream.c b/dlls/amstream/ddrawstream.c index 4c94bacf52e..917fcad9c9b 100644 --- a/dlls/amstream/ddrawstream.c +++ b/dlls/amstream/ddrawstream.c @@ -442,6 +442,9 @@ static HRESULT WINAPI ddraw_IDirectDrawMediaStream_CreateSample(IDirectDrawMedia TRACE("stream %p, surface %p, rect %s, flags %#x, sample %p.\n", stream, surface, wine_dbgstr_rect(rect), flags, sample); + if (!surface && rect) + return E_INVALIDARG; + EnterCriticalSection(&stream->cs); hr = ddrawstreamsample_create(stream, surface, rect, sample); LeaveCriticalSection(&stream->cs); diff --git a/dlls/amstream/tests/amstream.c b/dlls/amstream/tests/amstream.c index 1310e42cf2a..383ea7e9362 100644 --- a/dlls/amstream/tests/amstream.c +++ b/dlls/amstream/tests/amstream.c @@ -5665,7 +5665,7 @@ static void test_ddrawstream_create_sample(void) SetRectEmpty(&rect); hr = IDirectDrawMediaStream_CreateSample(ddraw_stream, NULL, &rect, 0, &sample); - todo_wine ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr); + ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr); EXPECT_REF(stream, 3); hr = IDirectDrawMediaStream_CreateSample(ddraw_stream, NULL, NULL, 0, &sample);