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quartz: Check for NULL condition in FilterGraph2_Disconnect.

This commit is contained in:
David Adam 2008-11-12 07:55:38 +01:00 committed by Alexandre Julliard
parent aa50cd316c
commit 6ed258e220
2 changed files with 6 additions and 0 deletions
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3
dlls/quartz/filtergraph.c
View File

@ -744,6 +744,9 @@ static HRESULT WINAPI FilterGraph2_Disconnect(IFilterGraph2 *iface, IPin *ppin)
TRACE("(%p/%p)->(%p)\n", This, iface, ppin);
if (!ppin)
return E_POINTER;
return IPin_Disconnect(ppin);
}

3
dlls/quartz/tests/filtergraph.c
View File

@ -1593,6 +1593,9 @@ static void test_render_filter_priority(void)
hr = IFilterGraph2_Render(pgraph2, ((TestFilterImpl*)ptestfilter)->ppPins[0]);
ok(hr == S_OK, "IFilterGraph2_Render failed with %08x\n", hr);
hr = IFilterGraph2_Disconnect(pgraph2, NULL);
ok(hr == E_POINTER, "IFilterGraph2_Disconnect failed. Expected E_POINTER, received %08x\n", hr);
get_connected_filter_name((TestFilterImpl*)ptestfilter, ConnectedFilterName2);
ok(lstrcmp(ConnectedFilterName1, ConnectedFilterName2),
"expected connected filters to be different but got %s both times\n", ConnectedFilterName1);