netdev - [PATCH 1/3] crypto: cmac - Use modern init_tfm/exit

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Date: Fri, 19 May 2023 16:28:32 +0800
From: "Herbert Xu" <herbert@...dor.apana.org.au>
To: Dmitry Safonov <dima@...sta.com>, Linux Crypto Mailing List <linux-crypto@...r.kernel.org>, linux-kernel@...r.kernel.org, David Ahern <dsahern@...nel.org>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Jakub Kicinski <kuba@...nel.org>, "David S. Miller" <davem@...emloft.net>, Andy Lutomirski <luto@...capital.net>, Ard Biesheuvel <ardb@...nel.org>, Bob Gilligan <gilligan@...sta.com>, Dan Carpenter <error27@...il.com>, David Laight <David.Laight@...lab.com>, Dmitry Safonov <0x7f454c46@...il.com>, Eric Biggers <ebiggers@...nel.org>, "Eric W. Biederman" <ebiederm@...ssion.com>, Francesco Ruggeri <fruggeri05@...il.com>, Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>, Ivan Delalande <colona@...sta.com>, Leonard Crestez <cdleonard@...il.com>, Salam Noureddine <noureddine@...sta.com>, netdev@...r.kernel.org
Subject: [PATCH 1/3] crypto: cmac - Use modern init_tfm/exit_tfm

Use the modern init_tfm/exit_tfm interface instead of the obsolete
cra_init/cra_exit interface.

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

 crypto/cmac.c |   18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/crypto/cmac.c b/crypto/cmac.c
index f4a5d3bfb376..bcc6f19a4f64 100644
--- a/crypto/cmac.c
+++ b/crypto/cmac.c
@@ -198,13 +198,14 @@ static int crypto_cmac_digest_final(struct shash_desc *pdesc, u8 *out)
 	return 0;
 }

-static int cmac_init_tfm(struct crypto_tfm *tfm)
+static int cmac_init_tfm(struct crypto_shash *tfm)
 {
+	struct shash_instance *inst = shash_alg_instance(tfm);
+	struct cmac_tfm_ctx *ctx = crypto_shash_ctx(tfm);
+	struct crypto_cipher_spawn *spawn;
 	struct crypto_cipher *cipher;
-	struct crypto_instance *inst = (void *)tfm->__crt_alg;
-	struct crypto_cipher_spawn *spawn = crypto_instance_ctx(inst);
-	struct cmac_tfm_ctx *ctx = crypto_tfm_ctx(tfm);

+	spawn = shash_instance_ctx(inst);
 	cipher = crypto_spawn_cipher(spawn);
 	if (IS_ERR(cipher))
 		return PTR_ERR(cipher);
@@ -214,9 +215,9 @@ static int cmac_init_tfm(struct crypto_tfm *tfm)
 	return 0;
 };

-static void cmac_exit_tfm(struct crypto_tfm *tfm)
+static void cmac_exit_tfm(struct crypto_shash *tfm)
 {
-	struct cmac_tfm_ctx *ctx = crypto_tfm_ctx(tfm);
+	struct cmac_tfm_ctx *ctx = crypto_shash_ctx(tfm);
 	crypto_free_cipher(ctx->child);
 }

@@ -274,13 +275,12 @@ static int cmac_create(struct crypto_template *tmpl, struct rtattr **tb)
 		   ~(crypto_tfm_ctx_alignment() - 1))
 		+ alg->cra_blocksize * 2;

-	inst->alg.base.cra_init = cmac_init_tfm;
-	inst->alg.base.cra_exit = cmac_exit_tfm;
-
 	inst->alg.init = crypto_cmac_digest_init;
 	inst->alg.update = crypto_cmac_digest_update;
 	inst->alg.final = crypto_cmac_digest_final;
 	inst->alg.setkey = crypto_cmac_digest_setkey;
+	inst->alg.init_tfm = cmac_init_tfm;
+	inst->alg.exit_tfm = cmac_exit_tfm;

 	inst->free = shash_free_singlespawn_instance;