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

From: Herbert Xu
Date: Fri May 19 2023 - 04:29:11 EST


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

Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
---

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;