[gedmurphy] 28888: don't try to free a NULL pointer

Author: gedmurphy
Date: Thu Sep  6 02:44:46 2007
New Revision: 28888

URL: http://svn.reactos.org/svn/reactos?rev=28888&view=rev
Log:
don't try to free a NULL pointer

Modified:
    trunk/reactos/base/system/services/config.c

Modified: trunk/reactos/base/system/services/config.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/system/services/config...
==============================================================================
--- trunk/reactos/base/system/services/config.c (original)
+++ trunk/reactos/base/system/services/config.c Thu Sep  6 02:44:46 2007
@@ -288,7 +288,8 @@
     if (dwError != ERROR_SUCCESS)
     {
         HeapFree(GetProcessHeap(), 0, ptr);
-        HeapFree(GetProcessHeap(), 0, expanded);
+        if (expanded)
+            HeapFree(GetProcessHeap(), 0, expanded);
     }

return dwError;