dsound: Avoid NULL pointer dereference (Coverity).

Signed-off-by: Andrew Eikum <aeikum@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dsound: Avoid NULL pointer dereference (Coverity).
468477b6 · Andrew Eikum · Alexandre Julliard · 0df38064 · 468477b6
Commit 468477b6 authored Feb 10, 2016 by Andrew Eikum Committed by Alexandre Julliard Feb 11, 2016
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buffer.c dlls/dsound/buffer.c +2 -2

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--- a/dlls/dsound/buffer.c
+++ b/dlls/dsound/buffer.c
@@ -1205,9 +1205,9 @@ HRESULT IDirectSoundBufferImpl_Duplicate(
        HeapFree(GetProcessHeap(),0,dsb->pwfx);
        HeapFree(GetProcessHeap(),0,dsb);
        dsb = NULL;
-    }
+    }else
+        IDirectSoundBuffer8_AddRef(&dsb->IDirectSoundBuffer8_iface);

-    IDirectSoundBuffer8_AddRef(&dsb->IDirectSoundBuffer8_iface);
    *ppdsb = dsb;
    return hres;
 }