dsound: Fix double free in dsound capture.

84fd6e62 · Michael Karcher · Alexandre Julliard · 9dc3ecb9 · 84fd6e62
Commit 84fd6e62 authored May 30, 2008 by Michael Karcher Committed by Alexandre Julliard May 30, 2008
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capture.c dlls/dsound/capture.c +6 -0

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--- a/dlls/dsound/capture.c
+++ b/dlls/dsound/capture.c
@@ -860,6 +860,12 @@ IDirectSoundCaptureBufferImpl_Release( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
        if (This->notify)
 	    IDirectSoundNotify_Release((LPDIRECTSOUNDNOTIFY)This->notify);

+        /* If driver manages its own buffer, IDsCaptureDriverBuffer_Release
+           should have freed the buffer. Prevent freeing it again in
+           IDirectSoundCaptureBufferImpl_Create */
+        if (!(This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY))
+	    This->device->buffer = NULL;
+
 	HeapFree(GetProcessHeap(), 0, This->notifies);
        HeapFree( GetProcessHeap(), 0, This );
 	TRACE("(%p) released\n", This);