[mjmartin] 38077: - Use volatile with PagesLocked and MdlAddress. Fixes bug #3674. - For safety may have to declare all variable used in except this way.

Author: mjmartin
Date: Sun Dec 14 06:14:00 2008
New Revision: 38077

URL: http://svn.reactos.org/svn/reactos?rev=38077&view=rev
Log:
- Use volatile with PagesLocked and MdlAddress. Fixes bug #3674.
- For safety may have to declare all variable used in except this way.

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=3...
==============================================================================
--- trunk/reactos/ntoskrnl/mm/virtual.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/virtual.c [iso-8859-1] Sun Dec 14 06:14:00 2008
@@ -65,9 +65,9 @@
     PMDL Mdl = (PMDL)MdlBuffer;
     SIZE_T TotalSize, CurrentSize, RemainingSize;
     volatile BOOLEAN FailedInProbe = FALSE, FailedInMapping = FALSE, FailedInMoving;
-    BOOLEAN PagesLocked;
+    volatile BOOLEAN PagesLocked;
     PVOID CurrentAddress = SourceAddress, CurrentTargetAddress = TargetAddress;
-    PVOID MdlAddress;
+    volatile PVOID MdlAddress;
     KAPC_STATE ApcState;
     BOOLEAN HaveBadAddress;
     ULONG_PTR BadAddress;