From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Tue, 30 Nov 2010 09:04:31 +0000 (+0800)
Subject: crypto: algif_skcipher - Handle unaligned receive buffer
X-Git-Tag: v2.6.38-rc1~238^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bc97e57eb21f8db55bf0e1f182d384e75b2e3c99;p=pandora-kernel.git

crypto: algif_skcipher - Handle unaligned receive buffer

As it is if user-space passes through a receive buffer that's not
aligned to to the cipher block size, we'll end up encrypting or
decrypting a partial block which causes a spurious EINVAL to be
returned.

This patch fixes this by moving the partial block test after the
af_alg_make_sg call.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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