linux-kernel - Re: 2.6.21-rc2-mm2: drivers/net/wireless/libertas/debugfs.c addr bogosity

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Message-ID: <20070308080228.GK3441@stusta.de>
Date:	Thu, 8 Mar 2007 09:02:28 +0100
From:	Adrian Bunk <bunk@...sta.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	jgarzik@...ox.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: 2.6.21-rc2-mm2: drivers/net/wireless/libertas/debugfs.c addr bogosity

On Wed, Mar 07, 2007 at 03:00:57PM -0800, Andrew Morton wrote:
> On Wed, 7 Mar 2007 23:41:16 +0100
> Adrian Bunk <bunk@...sta.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.

Thanks for the correction - it seems C pointers and me will never become 
close friends...

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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