linux-kernel - Re: block/cfq-iosched.c - control reaches end of non-void function warning

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Message-ID: <20070807064640.GP5245@kernel.dk>
Date:	Tue, 7 Aug 2007 08:46:42 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Gabriel C <nix.or.die@...glemail.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: block/cfq-iosched.c - control reaches end of non-void function warning

On Mon, Aug 06 2007, Gabriel C wrote:
> Hi Jens,
> 
> I just noticed this warning in one of my build logs :
> 
> ...
> 
> block/cfq-iosched.c: In function 'cfq_async_queue_prio':
> block/cfq-iosched.c:1430: warning: control reaches end of non-void function
> 
> ...
> 
> Guessing return 0; is missing there.

The default: case ends up in a BUG(), which does not return.

-- 
Jens Axboe

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