Re: [PATCH] arch: sparc: prom: looping issue, need additionallength check in the outside looping

From: David Miller
Date: Wed Jun 19 2013 - 05:13:54 EST

From: Chen Gang <gang.chen@xxxxxxxxxxx>
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/"

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