linux-kernel - Re: [RFC PATCH] crypto: add buffer overflow checks to testmgr

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Date:	Fri, 5 Jun 2009 17:02:40 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Jarod Wilson <jarod@...hat.com>
Cc:	linux-crypto@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Neil Horman <nhorman@...driver.com>
Subject: Re: [RFC PATCH] crypto: add buffer overflow checks to testmgr

On Thu, Jun 04, 2009 at 05:59:36PM -0400, Jarod Wilson wrote:
> 
> One note... This is actually causing some new compile warnings to be
> spit out, varies from arch to arch, dependent on page size... ppc64
> with 64k pages is the worst offender:
> 
> crypto/testmgr.c: In function 'test_nhash':
> crypto/testmgr.c:194: warning: comparison is always false due to limited range of data type
> crypto/testmgr.c: In function 'test_aead':
> crypto/testmgr.c:374: warning: comparison is always false due to limited range of data type
> crypto/testmgr.c:375: warning: comparison is always false due to limited range of data type
> crypto/testmgr.c: In function 'test_cipher':
> crypto/testmgr.c:676: warning: comparison is always false due to limited range of data type
> crypto/testmgr.c: In function 'test_skcipher':
> crypto/testmgr.c:771: warning: comparison is always false due to limited range of data type

Don't worry, this warning will go away as soon as you move to a
more up-to-date gcc :)

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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