linux-kernel - Re: [PATCH 1/2] drivers/telephony/ixj.c::add_caps(): don't rely on undefined behaviour

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Date:	Tue, 20 Mar 2012 00:19:07 +0100 (CET)
From:	Jesper Juhl <jj@...osbits.net>
To:	Joe Perches <joe@...ches.com>
cc:	linux-kernel@...r.kernel.org,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	Ed Okerson <eokerson@...cknet.net>,
	Greg Herlein <gherlein@...cknet.net>,
	"David W. Erhart" <derhart@...cknet.net>,
	John Sellers <jsellers@...cknet.net>,
	Mike Preston <mpreston@...cknet.net>,
	David Huggins-Daines <dhd@...stral.com>,
	Fabio Ferrari <fabio.ferrari@...itro.com.br>,
	Artis Kugevics <artis@...lv>,
	Daniele Bellucci <bellucda@...cali.it>
Subject: Re: [PATCH 1/2] drivers/telephony/ixj.c::add_caps(): don't rely on
 undefined behaviour

On Mon, 19 Mar 2012, Joe Perches wrote:

> On Mon, 2012-03-19 at 23:46 +0100, Jesper Juhl wrote:
> > On Mon, 19 Mar 2012, Joe Perches wrote:
> > > On Mon, 2012-03-19 at 23:37 +0100, Jesper Juhl wrote:
> > > > In drivers/telephony/ixj.c::add_caps() we have several statements like this:
> > > > 
> > > >   	j->caplist[j->caps].handle = j->caps++;
> > > > 
> > > > That's undefined behaviour right there.
> > > telephony has been moved to staging.
> > Since when? Where?
> > In my up-to-date Linus tree with HEAD at 
> > c16fa4f2ad19908a47c63d8fa436a1178438c7e7, that file is is still in 
> > drivers/telephony/, not in staging/...
> > /confused
> 
> In the -next tree.
> 
Ok, seems I've missed that.

> Yes, it's a bug fix, but drivers/telephony is pretty dead.
> 
Dead or not, as long as it's in the tree I think that fixing bugs is 
relevant.
Besides, who knows if/when it'll get ressurrected ;)

-- 
Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
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