linux-kernel - Re: [patch] dsp56k: prevent a harmless underflow

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Message-ID: <4560698.1o7vFVpiPH@wuerfel>
Date:	Wed, 13 Jul 2016 17:01:35 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch] dsp56k: prevent a harmless underflow

On Wednesday, July 13, 2016 1:11:19 PM CEST Dan Carpenter wrote:
> There is a mistake here where we don't allow "len" to be zero but we
> allow negative lengths.  It's basically harmless in this case, but the
> underflow makes my static checker complain.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> 

Reviewed-by: Arnd Bergmann <arnd@...db.de>