[tkreuzer] 62532: [NTOSKRNL] Fix KiCallbackReturnHandler

Author: tkreuzer
Date: Tue Mar 18 20:41:26 2014
New Revision: 62532

URL: http://svn.reactos.org/svn/reactos?rev=62532&view=rev
Log:
[NTOSKRNL]
Fix KiCallbackReturnHandler

Modified:
    branches/kernel-fun/reactos/ntoskrnl/ke/i386/traphdlr.c

Modified: branches/kernel-fun/reactos/ntoskrnl/ke/i386/traphdlr.c
URL: http://svn.reactos.org/svn/reactos/branches/kernel-fun/reactos/ntoskrnl/ke/i...
==============================================================================
--- branches/kernel-fun/reactos/ntoskrnl/ke/i386/traphdlr.c	[iso-8859-1] (original)
+++ branches/kernel-fun/reactos/ntoskrnl/ke/i386/traphdlr.c	[iso-8859-1] Tue Mar 18 20:41:26 2014
@@ -1455,7 +1455,17 @@
 FASTCALL
 KiCallbackReturnHandler(IN PKTRAP_FRAME TrapFrame)
 {
+    PKTHREAD Thread;
     NTSTATUS Status;
+
+    /* Save the SEH chain, NtCallbackReturn will restore this */
+    TrapFrame->ExceptionList = KeGetPcr()->NtTib.ExceptionList;
+
+    /* Set thread fields */
+    Thread = KeGetCurrentThread();
+    Thread->TrapFrame = TrapFrame;
+    Thread->PreviousMode = KiUserTrap(TrapFrame);
+    NT_ASSERT(Thread->PreviousMode != KernelMode);

/* Pass the register parameters to NtCallbackReturn.
        Result pointer is in ecx, result length in edx, status in eax */