Date: Mon, 31 Mar 2008 22:19:43 +0800
From: Herbert Xu <herbert@gondor.apana.org.au>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
       linux-s390@vger.kernel.org, Ralph Wuerthner <rwuerthn@de.ibm.com>,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [patch 1/2] hw_random: allow rng_dev_read() to return hardware errors.
Message-ID: <20080331141943.GA14688@gondor.apana.org.au>
References: <20080314092523.147382820@de.ibm.com> <20080314093046.656233449@de.ibm.com>
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On Fri, Mar 14, 2008 at 09:25:24AM +0000, Martin Schwidefsky wrote:
> From: Ralph Wuerthner <rwuerthn@de.ibm.com>
> 
> The api for hardware random number generators is currently limited to
> devices that never fail. If the hardware is registered as a source for
> random numbers it has to work. This prevents the use of i/o based
> random number devices where the i/o might fail.
> 
> Add a check for errors after the read from a hardware random number device.
> 
> This patch is required to support large random numbers retrieved
> from the CEX2C cards on System z.
> 
> Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com>
> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

Thanks for the patch.  I'll pick this up in cryptodev-2.6.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
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