[UXTHEME] -Fix most new tests for DrawThemeParentBackground. Hackfix CloseThemeData.

[reactos.git] / reactos / dll / win32 / uxtheme / system.c

diff --git a/reactos/dll/win32/uxtheme/system.c b/reactos/dll/win32/uxtheme/system.c
index a3b1ca1..393778f 100644 (file)
--- a/reactos/dll/win32/uxtheme/system.c
+++ b/reactos/dll/win32/uxtheme/system.c
@@ -897,6 +897,8 @@ HRESULT WINAPI CloseThemeData(HTHEME hTheme)
     TRACE("(%p)\n", hTheme);
     if(!hTheme || hTheme == INVALID_HANDLE_VALUE)
         return E_HANDLE;
+    if(IsBadReadPtr (hTheme, sizeof(THEME_CLASS))) /* This check is a hack! */
+        return E_HANDLE;
     return MSSTYLES_CloseThemeClass(hTheme);
 }