From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: 2.6.21-rc2-mm2: drivers/net/wireless/libertas/debugfs.c addr
 bogosity
Date: Wed, 7 Mar 2007 15:00:57 -0800
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	<20070307224116.GE3441@stusta.de>
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Cc: jgarzik@pobox.com, linux-kernel@vger.kernel.org,
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To: Adrian Bunk <bunk@stusta.de>
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On Wed, 7 Mar 2007 23:41:16 +0100
Adrian Bunk <bunk@stusta.de> wrote:

> On Tue, Mar 06, 2007 at 12:44:08AM -0800, Andrew Morton wrote:
> >...
> > Changes since 2.6.20-rc2-mm1:
> >...
> >  git-netdev-all.patch
> >...
> >  git trees
> >...
> 
> drivers/net/wireless/libertas/debugfs.c contains:
>   #define item_addr(n) ((u32) &((wlan_adapter *)0)->n)
> 
> This is wrong on 64bit architectures.

Is OK - it is simply yet another reimplementation of offsetof().  Hint.