netdev - Re: [PATCH] Add error check to hex2bin().

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Message-ID: <1311025388.3648.95.camel@localhost.localdomain>
Date:	Mon, 18 Jul 2011 17:43:08 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
Cc:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	linux-security-module@...r.kernel.org,
	andriy.shevchenko@...ux.intel.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add error check to hex2bin().

On Mon, 2011-07-18 at 22:44 +0300, Andy Shevchenko wrote:
> On Mon, Jul 18, 2011 at 10:20 PM, Mimi Zohar <zohar@...ux.vnet.ibm.com> wrote:
> 
> >> > We probably don't need to define a separate 'safe' function.
> >> There is an opponent on any  approach. Although, small and fast error
> >> route could be good.
> 
> > As nothing but trusted/encrypted keys is using hex2bin, it shouldn't be
> > a problem.  :-)
> The key word "until now". But people will start to use anything which
> has public API, won't they?

Someone with more experience than me needs to responds.

> >  I'll update trusted/encrypted keys to check the return
> > code.
> Actually another question shall we add __must_check to the prototype or not?

Probably a good idea.

thanks,

Mimi


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