[ros-diffs] [jimtabor] 32577: Fix Magnus change.

[jimtabor at svn.reactos.org]

Author: jimtabor
Date: Thu Mar  6 03:55:31 2008
New Revision: 32577

URL: http://svn.reactos.org/svn/reactos?rev=3D32577&view=3Drev
Log:
Fix Magnus change.

Modified:
    trunk/reactos/ntoskrnl/mm/virtual.c

Modified: trunk/reactos/ntoskrnl/mm/virtual.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/virtual.c=
?rev=3D32577&r1=3D32576&r2=3D32577&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/reactos/ntoskrnl/mm/virtual.c (original)
+++ trunk/reactos/ntoskrnl/mm/virtual.c Thu Mar  6 03:55:31 2008
@@ -966,7 +966,8 @@
     if ( ( (DWORD)Address + Length > (DWORD)MmHighestUserAddress) || =

           ( (DWORD)Address + Length <=3D (DWORD)Address ) )
     /* Only works for user space */
-    if (MmHighestUserAddress < Address)
+    if (((ULONG_PTR)Address > (ULONG_PTR)Address + Length) ||
+        ((ULONG_PTR)MmHighestUserAddress < (ULONG_PTR)Address + Length))
     {
         return NULL;
     }