quartz: Don't return a pin in filesource when there is none.

Based on a patch by Olivier Samyn.

quartz: Don't return a pin in filesource when there is none.
c83a63d4 · Maarten Lankhorst · Alexandre Julliard · 801c9698 · c83a63d4
Commit c83a63d4 authored May 09, 2008 by Maarten Lankhorst Committed by Alexandre Julliard May 12, 2008
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filesource.c dlls/quartz/filesource.c +1 -1

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--- a/dlls/quartz/filesource.c
+++ b/dlls/quartz/filesource.c
@@ -529,7 +529,7 @@ static HRESULT AsyncReader_GetPin(IBaseFilter *iface, ULONG pos, IPin **pin, DWO
    /* Our pins are almost static, not changing so setting static tick count is ok */
    *lastsynctick = This->lastpinchange;

-    if (pos >= 1)
+    if (pos >= 1 || !This->pOutputPin)
        return S_FALSE;

    *pin = (IPin *)This->pOutputPin;