Don't call Release on a null ptr.

753e4ee9 · Huw Davies · Alexandre Julliard · 73c72390 · 753e4ee9
Commit 753e4ee9 authored Nov 02, 2005 by Huw Davies Committed by Alexandre Julliard Nov 02, 2005
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typelib.c dlls/oleaut32/typelib.c +4 -1

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--- a/dlls/oleaut32/typelib.c
+++ b/dlls/oleaut32/typelib.c
@@ -5064,7 +5064,10 @@ static HRESULT WINAPI ITypeInfo_fnInvoke(
                         * variants here too */
                        if ((V_VT(&varresult) == (VT_UNKNOWN | VT_BYREF)) ||
                            (V_VT(&varresult) == (VT_DISPATCH | VT_BYREF)))
-                            IUnknown_Release(*V_UNKNOWNREF(&varresult));
+                        {
+                            if(*V_UNKNOWNREF(&varresult))
+                                IUnknown_Release(*V_UNKNOWNREF(&varresult));
+                        }
                        break;
 		    }
 		}