From 574cb20678928d1fac2bbde54bd83693a9d236a5 Mon Sep 17 00:00:00 2001
From: ReactOS Portable Systems Group <ros-arm-bringup@svn.reactos.org>
Date: Sun, 27 Jul 2008 05:38:51 +0000
Subject: [PATCH] - MmDeleteVirtualMapping can be called for memory that isn't
 mapped yet -- just ignore this like we do on x86. - This gets us much
 farther, to the point where we try to load smss.exe but can't find it.

svn path=/trunk/; revision=34821
---
 reactos/ntoskrnl/mm/arm/stubs.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/reactos/ntoskrnl/mm/arm/stubs.c b/reactos/ntoskrnl/mm/arm/stubs.c
index 7ba7cbd9bf9..d6c07a5636a 100644
--- a/reactos/ntoskrnl/mm/arm/stubs.c
+++ b/reactos/ntoskrnl/mm/arm/stubs.c
@@ -293,12 +293,21 @@ MmDeleteVirtualMapping(IN PEPROCESS Process,
     // Get the PTE
     //
     PointerPte = MiGetPteAddress(Address);
-    ASSERT(PointerPte->u.Hard.L2.Small.Type == SmallPte);
-    
+    if (PointerPte->u.Hard.L1.Fault.Type == FaultPte)
+    {
+        //
+        // Invalid PTE
+        //
+        if (WasDirty) *WasDirty = FALSE;
+        if (Page) *Page = 0;
+        return;
+    }
+        
     //
     // Save the PTE
     //
     Pte = *PointerPte;
+    ASSERT(PointerPte->u.Hard.L2.Small.Type == SmallPte);
     
     //
     // Destroy the PTE