dsound: Disable property sets if hardware doesn't support it.

3e1fcc0e · Maarten Lankhorst · Alexandre Julliard · 13af0566 · 3e1fcc0e
Commit 3e1fcc0e authored May 30, 2007 by Maarten Lankhorst Committed by Alexandre Julliard Jun 04, 2007
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propset.c dlls/dsound/propset.c +10 -0

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--- a/dlls/dsound/propset.c
+++ b/dlls/dsound/propset.c
@@ -197,9 +197,19 @@ HRESULT IKsBufferPropertySetImpl_Create(
    IDirectSoundBufferImpl *dsb,
    IKsBufferPropertySetImpl **piks)
 {
+    PIDSDRIVERPROPERTYSET ps = NULL;
    IKsBufferPropertySetImpl *iks;
    TRACE("(%p,%p)\n",dsb,piks);

+    if (!dsb->hwbuf)
+        return DSERR_INVALIDPARAM;
+
+    IDsDriver_QueryInterface(dsb->hwbuf, &IID_IDsDriverPropertySet, (void **)&ps);
+    if (!ps)
+        return DSERR_INVALIDPARAM;
+
+    IUnknown_Release(ps);
+
    iks = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*iks));
    if (iks == 0) {
        WARN("out of memory\n");