linux-kernel - Re: [PATCH] arch: sparc: prom: looping issue, need additional length check in the outside looping

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Date:	Wed, 19 Jun 2013 02:13:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	gang.chen@...anux.com
Cc:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	sam@...nborg.org, sparclinux@...r.kernel.org
Subject: Re: [PATCH] arch: sparc: prom: looping issue, need additional
 length check in the outside looping

From: Chen Gang <gang.chen@...anux.com>
Date: Thu, 30 May 2013 11:35:22 +0800

> 
> When "cp >= barg_buf + BARG_LEN-2", it breaks internel looping 'while',
> but outside loop 'for' still has effect, so "*cp++ = ' '" will continue
> repeating which may cause memory overflow.
> 
> So need additional length check for it in the outside looping.
> 
> Also beautify the related code which found by "./scripts/checkpatch.pl"

Applied.
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