From 22917c0ebeba3ed5d8faa104afb2ed3748f57015 Mon Sep 17 00:00:00 2001
From: Alex Ionescu <aionescu@gmail.com>
Date: Wed, 16 Aug 2006 03:17:21 +0000
Subject: [PATCH] - Properly disable impersonation in PsDisableImpersonation if
 it was previously enabled, instead of not disabling it. (fix a wrong check).
 Thanks to Arty.

svn path=/trunk/; revision=23588
---
 reactos/ntoskrnl/ps/security.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/reactos/ntoskrnl/ps/security.c b/reactos/ntoskrnl/ps/security.c
index 899905b144b..d20bf0bb2ea 100644
--- a/reactos/ntoskrnl/ps/security.c
+++ b/reactos/ntoskrnl/ps/security.c
@@ -814,8 +814,8 @@ PsDisableImpersonation(IN PETHREAD Thread,
                                            OldValue);
         } while (NewValue != OldValue);
 
-        /* Did someone disable behind our back? */
-        if (!(NewValue & CT_ACTIVE_IMPERSONATION_INFO_BIT))
+        /* Make sure nobody disabled it behind our back */
+        if (NewValue & CT_ACTIVE_IMPERSONATION_INFO_BIT)
         {
             /* Copy the old state */
             Impersonation = Thread->ImpersonationInfo;