[jgardou] 56001: [NTOSKRNL] - fix code assuming System process pointer is never NULL, which is the case when we're creating it.

Author: jgardou
Date: Sun Mar  4 17:57:44 2012
New Revision: 56001

URL: http://svn.reactos.org/svn/reactos?rev=56001&view=rev
Log:
[NTOSKRNL]
- fix code assuming System process pointer is never NULL, which is the case when we're creating it.

Modified:
    trunk/reactos/ntoskrnl/ps/process.c

Modified: trunk/reactos/ntoskrnl/ps/process.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ps/process.c?rev=5...
==============================================================================
--- trunk/reactos/ntoskrnl/ps/process.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ps/process.c [iso-8859-1] Sun Mar  4 17:57:44 2012
@@ -464,8 +464,9 @@
         /* Assume no section object */
         SectionObject = NULL;

-        /* Is the parent the initial process? */
-        if (Parent != PsInitialSystemProcess)
+        /* Is the parent the initial process?
+         * Check for NULL also, as at initialization PsInitialSystemProcess is NULL */
+        if (Parent != PsInitialSystemProcess && (Parent != NULL))
         {
             /* It's not, so acquire the process rundown */
             if (ExAcquireRundownProtection(&Parent->RundownProtect))