[cwittich] 72033: [SHELL32]check for NULL pointer in CShellLink::SetDescription. patch by Joachim Henze. fixes Opera 12 installer CORE-5272

Author: cwittich
Date: Thu Jul 28 15:12:23 2016
New Revision: 72033

URL: http://svn.reactos.org/svn/reactos?rev=72033&view=rev
Log:
[SHELL32]check for NULL pointer in CShellLink::SetDescription. patch by Joachim Henze.
fixes Opera 12 installer CORE-5272

Modified:
    trunk/reactos/dll/win32/shell32/CShellLink.cpp

Modified: trunk/reactos/dll/win32/shell32/CShellLink.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/CShellLi…
==============================================================================
--- trunk/reactos/dll/win32/shell32/CShellLink.cpp	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/CShellLink.cpp	[iso-8859-1] Thu Jul 28 15:12:23 2016
@@ -1332,12 +1332,17 @@
     TRACE("(%p)->(desc=%s)\n", this, debugstr_w(pszName));
 
     HeapFree(GetProcessHeap(), 0, sDescription);
-    sDescription = (LPWSTR)HeapAlloc(GetProcessHeap(), 0,
-                                     (wcslen(pszName) + 1) * sizeof(WCHAR));
-    if (!sDescription)
-        return E_OUTOFMEMORY;
-
-    wcscpy(sDescription, pszName);
+    if (pszName)
+    {
+        sDescription = (LPWSTR)HeapAlloc(GetProcessHeap(), 0,
+                                         (wcslen(pszName) + 1) * sizeof(WCHAR));
+        if (!sDescription)
+            return E_OUTOFMEMORY;
+
+        wcscpy(sDescription, pszName);
+    }
+    else
+        sDescription = NULL;    
     bDirty = TRUE;
 
     return S_OK;