linux-kernel - Re: [PATCH] crypto: blkcipher_get_spot() handling of buffer at end of page

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Message-ID: <20070911084058.GA4469@gondor.apana.org.au>
Date:	Tue, 11 Sep 2007 16:40:58 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Ingo Oeser <ioe-lkml@...eria.de>
Cc:	Bob Gilligan <gilligan@...tta.com>, linux-kernel@...r.kernel.org,
	Linux Crypto Mailing List <linux-crypto@...r.kernel.org>
Subject: Re: [PATCH] crypto: blkcipher_get_spot() handling of buffer at end of page

On Mon, Sep 10, 2007 at 09:46:46PM +0200, Ingo Oeser wrote:
>
> What about using max() for this to make your intention obvious?
> 
> static inline u8 *blkcipher_get_spot(u8 *start, unsigned int len)
> {
> 	u8 *end_page = (u8 *)(((unsigned long)(start + len - 1)) & PAGE_MASK); 
> 	return max(start, end_page);
> }

Yes that looks sane.  Could you please send a patch?

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