From efcf73c4670edecf1254edc5fc4c50e4bfc83f90 Mon Sep 17 00:00:00 2001
From: Aleksandar Andrejevic <aandrejevic@reactos.org>
Date: Sat, 14 Dec 2013 02:30:42 +0000
Subject: [PATCH] [FAST486] The LDT can be loaded with a NULL descriptor. That
 invalidates the LDT but doesn't cause any exception.

svn path=/branches/ntvdm/; revision=61269
---
 lib/fast486/opgroups.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/fast486/opgroups.c b/lib/fast486/opgroups.c
index be4d701499e..7480296a46e 100644
--- a/lib/fast486/opgroups.c
+++ b/lib/fast486/opgroups.c
@@ -1798,8 +1798,8 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeGroup0F00)
 
             if (GET_SEGMENT_INDEX(Selector) == 0)
             {
-                Fast486Exception(State, FAST486_EXCEPTION_GP);
-                return FALSE;
+                RtlZeroMemory(&State->Ldtr, sizeof(State->Ldtr));
+                return TRUE;
             }
 
             if (!GdtEntry.Present)