wined3d: Only addref clippers if one exists.

093261b7 · Stefan Dösinger · Alexandre Julliard · 4295b189 · 093261b7
Commit 093261b7 authored May 10, 2007 by Stefan Dösinger Committed by Alexandre Julliard May 11, 2007
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surface.c dlls/wined3d/surface.c +3 -1

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--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -3504,7 +3504,9 @@ HRESULT WINAPI IWineD3DSurfaceImpl_GetClipper(IWineD3DSurface *iface, IWineD3DCl
    TRACE("(%p)->(%p)\n", This, clipper);

    *clipper = This->clipper;
-    IWineD3DClipper_AddRef(*clipper);
+    if(*clipper) {
+        IWineD3DClipper_AddRef(*clipper);
+    }
    return WINED3D_OK;
 }