From: Herbert Xu Subject: [PATCH 10/16] crypto: shash - Add __crypto_shash_cast Date: Thu, 09 Jul 2009 12:53:56 +0800 Message-ID: References: <20090709045052.GA21092@gondor.apana.org.au> To: Linux Crypto Mailing List Return-path: Received: from rhun.apana.org.au ([64.62.148.172]:44867 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753586AbZGIEx6 (ORCPT ); Thu, 9 Jul 2009 00:53:58 -0400 Received: from gondolin.me.apana.org.au ([192.168.0.6]) by arnor.apana.org.au with esmtp (Exim 4.63 #1 (Debian)) id 1MOlds-0006EV-L0 for ; Thu, 09 Jul 2009 14:53:56 +1000 Sender: linux-crypto-owner@vger.kernel.org List-ID: crypto: shash - Add __crypto_shash_cast This patch adds __crypto_shash_cast which turns a crypto_tfm into crypto_shash. It's analogous to the other __crypto_*_cast functions. It hasn't been needed until now since no existing shash algorithms have had an init function. Signed-off-by: Herbert Xu --- include/crypto/internal/hash.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h index f104114..3af34ca 100644 --- a/include/crypto/internal/hash.h +++ b/include/crypto/internal/hash.h @@ -128,5 +128,10 @@ static inline void *crypto_shash_ctx_aligned(struct crypto_shash *tfm) return crypto_tfm_ctx_aligned(&tfm->base); } +static inline struct crypto_shash *__crypto_shash_cast(struct crypto_tfm *tfm) +{ + return (struct crypto_shash *)tfm; +} + #endif /* _CRYPTO_INTERNAL_HASH_H */