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Message-ID: <20131128142130.GC32124@gondor.apana.org.au>
Date: Thu, 28 Nov 2013 22:21:30 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Tom Lendacky <thomas.lendacky@....com>
Cc: davem@...emloft.net, linux-crypto@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/10] crypto: scatterwalk - Set the chain pointer
indication bit
On Tue, Nov 12, 2013 at 11:46:10AM -0600, Tom Lendacky wrote:
> The scatterwalk_crypto_chain function invokes the scatterwalk_sg_chain
> function to chain two scatterlists, but the chain pointer indication
> bit is not set. When the resulting scatterlist is used, for example,
> by sg_nents to count the number of scatterlist entries, a segfault occurs
> because sg_nents does not follow the chain pointer to the chained scatterlist.
>
> Update scatterwalk_sg_chain to set the chain pointer indication bit as is
> done by the sg_chain function.
>
> Signed-off-by: Tom Lendacky <thomas.lendacky@....com>
Patch applied. Thanks!
We should also get rid of the crypto-specific SG helpers since
the generic SG helpers are now available everywhere.
--
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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