linux-kernel - Re: [PATCH] drivers: net: ethernet: intel: e1000: e1000

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Message-ID: <1408376459.2741.4.camel@joe-AO725>
Date:	Mon, 18 Aug 2014 08:40:59 -0700
From:	Joe Perches <joe@...ches.com>
To:	Krzysztof Majzerowicz-Jaszcz <cristos@...serv.org>
Cc:	Alexander Duyck <alexander.h.duyck@...el.com>,
	jeffrey.t.kirsher@...el.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers: net: ethernet: intel: e1000: e1000_ethtool.c
 coding style fixes

On Mon, 2014-08-18 at 17:36 +0200, Krzysztof Majzerowicz-Jaszcz wrote:
> On 18/08/14 17:31, Joe Perches wrote:
> > On Mon, 2014-08-18 at 08:29 -0700, Alexander Duyck wrote:
> >> Doing any kind of pointer math on a void pointer is generally unsafe as
> >> it is an incomplete type.  The only reason why it works in GCC is
> >> because GCC has a nonstandard extension that makes it report as having a
> >> size of 1.
> > 
> > I know.  It's used in quite a few places in kernel code
> > so I believe it's now a base assumption for the kernel.
> > 
> Ok, so what do you suggest - void* or char* here ?

Do what you (or Alex) think is best.

My main point was trying to make the code a bit
clearer.

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