From a24b150c36bbd87ca87247368dfcf7a4702bd4c9 Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Tue, 26 Jun 2012 08:36:58 +0000
Subject: [PATCH] [NTOSKRNL:SE] - Do not dereference pointer before checking
 against NULL in SeSetSecurityDescriptorInfo

svn path=/trunk/; revision=56807
---
 reactos/ntoskrnl/se/sd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/reactos/ntoskrnl/se/sd.c b/reactos/ntoskrnl/se/sd.c
index b75c18afe54..c82cc51ae9d 100644
--- a/reactos/ntoskrnl/se/sd.c
+++ b/reactos/ntoskrnl/se/sd.c
@@ -882,12 +882,13 @@ SeSetSecurityDescriptorInfo(IN PVOID Object OPTIONAL,
     SECURITY_INFORMATION SecurityInformation;
 
     ObjectSd = *ObjectsSecurityDescriptor;
-    ASSERT(ObjectSd->Control & SE_SELF_RELATIVE);
 
     /* The object does not have a security descriptor. */
     if (!ObjectSd)
         return STATUS_NO_SECURITY_ON_OBJECT;
 
+    ASSERT(ObjectSd->Control & SE_SELF_RELATIVE);
+
     SecurityInformation = *_SecurityInformation;
 
     /* Get owner and owner size */