[greatlrd] 26546: 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.

Author: greatlrd
Date: Fri Apr 27 23:11:22 2007
New Revision: 26546

URL: http://svn.reactos.org/svn/reactos?rev=26546&view=rev
Log:
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.

Modified:
    trunk/reactos/subsystems/win32/win32k/ntuser/callback.c

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/callback.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/callback.c (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/callback.c Fri Apr 27 23:11:22 2007
@@ -195,8 +195,16 @@
                                &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();