From 039e4a7b2e2db0e07612f4d1a8fd643c27dee187 Mon Sep 17 00:00:00 2001
From: Magnus Olsen <magnus@greatlord.com>
Date: Fri, 27 Apr 2007 19:11:22 +0000
Subject: [PATCH] patch by hto. Fixing the crash in win32k after user-mode
 callback  Some forget use seh. all user mode param shall always be using seh.
 See issue #2212 for more details.

svn path=/trunk/; revision=26546
---
 reactos/subsystems/win32/win32k/ntuser/callback.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/reactos/subsystems/win32/win32k/ntuser/callback.c b/reactos/subsystems/win32/win32k/ntuser/callback.c
index a9b3ac18233..8a33f39627a 100644
--- a/reactos/subsystems/win32/win32k/ntuser/callback.c
+++ b/reactos/subsystems/win32/win32k/ntuser/callback.c
@@ -195,8 +195,16 @@ co_IntCallWindowProc(WNDPROC Proc,
                                &ResultPointer,
                                &ResultLength);
 
-   /* Simulate old behaviour: copy into our local buffer */
-   RtlMoveMemory(Arguments, ResultPointer, ArgumentLength);
+   _SEH_TRY
+   {
+      /* Simulate old behaviour: copy into our local buffer */
+      RtlMoveMemory(Arguments, ResultPointer, ArgumentLength);
+   }
+   _SEH_HANDLE
+   {
+      Status = _SEH_GetExceptionCode();
+   }
+   _SEH_END;
 
    UserEnterCo();