From 2ce0957e210174a3be681ada0605b638013819cf Mon Sep 17 00:00:00 2001
From: Michael Stefaniuc <mstefani@redhat.de>
Date: Sun, 25 Sep 2011 23:45:35 +0200
Subject: [PATCH] krnl386.exe16: Don't open code CONTAINING_RECORD().

---
 dlls/krnl386.exe16/wowthunk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/krnl386.exe16/wowthunk.c b/dlls/krnl386.exe16/wowthunk.c
index c6c28a354dc..feb882beab7 100644
--- a/dlls/krnl386.exe16/wowthunk.c
+++ b/dlls/krnl386.exe16/wowthunk.c
@@ -223,7 +223,7 @@ static DWORD call16_handler( EXCEPTION_RECORD *record, EXCEPTION_REGISTRATION_RE
     if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND))
     {
         /* unwinding: restore the stack pointer in the TEB, and leave the Win16 mutex */
-        STACK32FRAME *frame32 = (STACK32FRAME *)((char *)frame - offsetof(STACK32FRAME,frame));
+        STACK32FRAME *frame32 = CONTAINING_RECORD(frame, STACK32FRAME, frame);
         NtCurrentTeb()->WOW32Reserved = (void *)frame32->frame16;
         _LeaveWin16Lock();
     }