From cbc86b9161b40f95caee0e56381b68956fc28cc4 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Wed, 15 Jul 2009 21:26:41 +0800
Subject: [PATCH] crypto: shash - Fix async finup handling of null digest

When shash_ahash_finup encounters a null request, we end up not
calling the underlying final function.  This patch fixes that.

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