crypto: ccp - Check for caller result area before using it
authorTom Lendacky <thomas.lendacky@amd.com>
Mon, 6 Jan 2014 19:34:11 +0000 (13:34 -0600)
committerHerbert Xu <herbert@gondor.apana.org.au>
Wed, 15 Jan 2014 03:33:36 +0000 (11:33 +0800)
For a hash operation, the caller doesn't have to supply a result
area on every call so don't use it / update it if it hasn't
been supplied.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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