From c02b84d3c5f041942a46d5e87d9965a5e86989ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Hentschel?= <nerv@dawncrow.de>
Date: Sat, 17 Nov 2012 22:52:35 +0100
Subject: [PATCH] msxml3: Fix possible NULL pointer access in heap_strdupW.

---
 dlls/msxml3/msxml_private.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/msxml3/msxml_private.h b/dlls/msxml3/msxml_private.h
index 503a58023ec..66baea850e8 100644
--- a/dlls/msxml3/msxml_private.h
+++ b/dlls/msxml3/msxml_private.h
@@ -194,7 +194,8 @@ static inline LPWSTR heap_strdupW(LPCWSTR str)
 
         size = (strlenW(str)+1)*sizeof(WCHAR);
         ret = heap_alloc(size);
-        memcpy(ret, str, size);
+        if(ret)
+            memcpy(ret, str, size);
     }
 
     return ret;