[tfaber] 63852: [KERNEL32] - Fix an invalid free in DefineDosDeviceW, found by kernel32_apitest:dosdev

Author: tfaber
Date: Sun Aug 10 16:23:05 2014
New Revision: 63852

URL: http://svn.reactos.org/svn/reactos?rev=63852&view=rev
Log:
[KERNEL32]
- Fix an invalid free in DefineDosDeviceW, found by kernel32_apitest:dosdev

Modified:
    trunk/reactos/dll/win32/kernel32/client/dosdev.c

Modified: trunk/reactos/dll/win32/kernel32/client/dosdev.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/kernel32/client/d...
==============================================================================
--- trunk/reactos/dll/win32/kernel32/client/dosdev.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/kernel32/client/dosdev.c	[iso-8859-1] Sun Aug 10 16:23:05 2014
@@ -219,7 +219,8 @@
         }
     }

-    if (NtTargetPathU.Buffer)
+    if (NtTargetPathU.Buffer &&
+        NtTargetPathU.Buffer != lpTargetPath)
     {
         RtlFreeHeap(RtlGetProcessHeap(),
                     0,