linux-kernel - Re: [PATCH] kernel/irq/proc.c: set MAX_NAMELEN 11 instead of 10 which express the maximize size of "%d" or "%u".

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Message-ID: <52503441.2030009@asianux.com>
Date:	Sat, 05 Oct 2013 23:46:09 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Joe Perches <joe@...ches.com>
CC:	Al Viro <viro@...iv.linux.org.uk>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kernel/irq/proc.c: set MAX_NAMELEN 11 instead of 10 which
 express the maximize size of "%d" or "%u".

On 10/05/2013 11:41 PM, Joe Perches wrote:
> On Sat, 2013-10-05 at 23:19 +0800, Chen Gang wrote:
>> Theoretically, the maximize size of "%d" or "%u" is 11 (10 + '\0'), so
>> need set MAX_NAMELEN 11 instead of 10.
> 
> %d can be negative.
> 
> 
> 
> 

Oh, really, it is incorrect. Al Viro succeeds once.  :-(

And I should send patch v2 for it.

Thanks.
-- 
Chen Gang
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