linux-kernel - Re: [PATCH] return hidden bug

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Message-ID: <20071022050243.GA16384@gondor.apana.org.au>
Date:	Mon, 22 Oct 2007 13:02:44 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Rik van Riel <riel@...hat.com>
Cc:	Roel Kluin <12o3l@...cali.nl>, lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] return hidden bug

On Mon, Oct 22, 2007 at 01:42:09AM +0000, Rik van Riel wrote:
>
> BUG() will terminate the process that runs into it, so you can
> just remove the return alltogether.  If BUG() is hit, the return
> will never be reached.

This is true in general.  However, if someone builds the kernel
with CONFIG_BUG disabled then the return statement will make a
difference.  Of course, if you're brave enough to have CONFIG_BUG
off then you can deal with the fall-out :)

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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