linux-kernel - Re: [PATCH] Whine about suspicious return values from module's ->init() hook

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Message-Id: <20080204195318.bf653285.akpm@linux-foundation.org>
Date:	Mon, 4 Feb 2008 19:53:18 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Alexey Dobriyan <adobriyan@...ru>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Whine about suspicious return values from module's
 ->init() hook

On Tue, 5 Feb 2008 14:43:31 +1100 Rusty Russell <rusty@...tcorp.com.au> wrote:

> On Tuesday 05 February 2008 02:42:15 Alexey Dobriyan wrote:
> > One head-scratching session could be noticeably shorter with this patch...
> >
> > Signed-off-by: Alexey Dobriyan <adobriyan@...ru>
> 
> If we want to prevent > 0 returns, let's just BUG_ON().
> 

That risks killing previously-working setups.  WARN_ON is sufficient.
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