From: Lars Persson Subject: [PATCH v4 2/4] crypto: add crypto_(un)register_ahashes() Date: Thu, 10 Aug 2017 14:53:52 +0200 Message-ID: <01cfbf11707a9907d87c59fb47385c4178a08688.1502368677.git.larper@axis.com> References: Cc: Rabin Vincent , Lars Persson To: herbert@gondor.apana.org.au, davem@davemloft.net, robh+dt@kernel.org, mark.rutland@arm.com, linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: In-Reply-To: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org From: Rabin Vincent There are already helpers to (un)register multiple normal and AEAD algos. Add one for ahashes too. Signed-off-by: Lars Persson Signed-off-by: Rabin Vincent --- v4: crypto_register_skciphers was used where crypto_unregister_skciphers was intended. crypto/ahash.c | 29 +++++++++++++++++++++++++++++ include/crypto/internal/hash.h | 2 ++ 2 files changed, 31 insertions(+) diff --git a/crypto/ahash.c b/crypto/ahash.c index 826cd7ab4d4a..5e8666e6ccae 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -588,6 +588,35 @@ int crypto_unregister_ahash(struct ahash_alg *alg) } EXPORT_SYMBOL_GPL(crypto_unregister_ahash); +int crypto_register_ahashes(struct ahash_alg *algs, int count) +{ + int i, ret; + + for (i = 0; i < count; i++) { + ret = crypto_register_ahash(&algs[i]); + if (ret) + goto err; + } + + return 0; + +err: + for (--i; i >= 0; --i) + crypto_unregister_ahash(&algs[i]); + + return ret; +} +EXPORT_SYMBOL_GPL(crypto_register_ahashes); + +void crypto_unregister_ahashes(struct ahash_alg *algs, int count) +{ + int i; + + for (i = count - 1; i >= 0; --i) + crypto_unregister_ahash(&algs[i]); +} +EXPORT_SYMBOL_GPL(crypto_unregister_ahashes); + int ahash_register_instance(struct crypto_template *tmpl, struct ahash_instance *inst) { diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h index f6d9af3efa45..f0b44c16e88f 100644 --- a/include/crypto/internal/hash.h +++ b/include/crypto/internal/hash.h @@ -76,6 +76,8 @@ static inline int crypto_ahash_walk_last(struct crypto_hash_walk *walk) int crypto_register_ahash(struct ahash_alg *alg); int crypto_unregister_ahash(struct ahash_alg *alg); +int crypto_register_ahashes(struct ahash_alg *algs, int count); +void crypto_unregister_ahashes(struct ahash_alg *algs, int count); int ahash_register_instance(struct crypto_template *tmpl, struct ahash_instance *inst); void ahash_free_instance(struct crypto_instance *inst); -- 2.11.0