crypto: ahash - Remove old_ahash_alg

Now that all ahash implementations have been converted to the new
ahash type, we can remove old_ahash_alg and its associated support.

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

5 files changed, 1 insertions, 53 deletions

diff --git a/crypto/ahash.c b/crypto/ahash.c
index 7f599d26086a..cc824ef25830 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -175,46 +175,19 @@ static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key,
         return -ENOSYS;
 }
 
-static int crypto_init_ahash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
-{
-        struct old_ahash_alg *alg = &tfm->__crt_alg->cra_ahash;
-        struct crypto_ahash *crt = __crypto_ahash_cast(tfm);
-        struct ahash_alg *nalg = crypto_ahash_alg(crt);
-
-        if (alg->digestsize > PAGE_SIZE / 8)
-                return -EINVAL;
-
-        crt->init = alg->init;
-        crt->update = alg->update;
-        crt->final  = alg->final;
-        crt->digest = alg->digest;
-        crt->setkey = alg->setkey ? ahash_setkey : ahash_nosetkey;
-        crt->digestsize = alg->digestsize;
-
-        nalg->setkey = alg->setkey;
-        nalg->halg.digestsize = alg->digestsize;
-
-        return 0;
-}
-
 static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
 {
         struct crypto_ahash *hash = __crypto_ahash_cast(tfm);
         struct ahash_alg *alg = crypto_ahash_alg(hash);
-        struct old_ahash_alg *oalg = crypto_old_ahash_alg(hash);
 
         if (tfm->__crt_alg->cra_type != &crypto_ahash_type)
                 return crypto_init_shash_ops_async(tfm);
 
-        if (oalg->init)
-                return crypto_init_ahash_ops(tfm, 0, 0);
-
         hash->init = alg->init;
         hash->update = alg->update;
         hash->final  = alg->final;
         hash->digest = alg->digest;
         hash->setkey = alg->setkey ? ahash_setkey : ahash_nosetkey;
-        hash->digestsize = alg->halg.digestsize;
 
         return 0;
 }
diff --git a/crypto/shash.c b/crypto/shash.c
index 615a5f4d9b7a..fd92c03b38fc 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -270,7 +270,6 @@ static void crypto_exit_shash_ops_async(struct crypto_tfm *tfm)
 int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
 {
         struct crypto_alg *calg = tfm->__crt_alg;
-        struct shash_alg *alg = __crypto_shash_alg(calg);
         struct crypto_ahash *crt = __crypto_ahash_cast(tfm);
         struct crypto_shash **ctx = crypto_tfm_ctx(tfm);
         struct crypto_shash *shash;
@@ -293,7 +292,6 @@ int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
         crt->digest = shash_async_digest;
         crt->setkey = shash_async_setkey;
 
-        crt->digestsize = alg->digestsize;
         crt->reqsize = sizeof(struct shash_desc) + crypto_shash_descsize(shash);
 
         return 0;
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 262861d8f0cb..45c2bddfdf32 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -89,7 +89,6 @@ struct crypto_ahash {
         int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
                       unsigned int keylen);
 
-        unsigned int digestsize;
         unsigned int reqsize;
         struct crypto_tfm base;
 };
@@ -137,7 +136,7 @@ static inline struct hash_alg_common *crypto_hash_alg_common(
 
 static inline unsigned int crypto_ahash_digestsize(struct crypto_ahash *tfm)
 {
-        return tfm->digestsize;
+        return crypto_hash_alg_common(tfm)->digestsize;
 }
 
 static inline unsigned int crypto_ahash_statesize(struct crypto_ahash *tfm)
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index e3a82514d61e..179dd8fdfa14 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -109,12 +109,6 @@ static inline struct ahash_alg *__crypto_ahash_alg(struct crypto_alg *alg)
                             halg);
 }
 
-static inline struct old_ahash_alg *crypto_old_ahash_alg(
-        struct crypto_ahash *tfm)
-{
-        return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash;
-}
-
 static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
                                             unsigned int reqsize)
 {
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 9e7e9b62a3dc..fd929889e8dc 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -115,12 +115,10 @@ struct crypto_async_request;
 struct crypto_aead;
 struct crypto_blkcipher;
 struct crypto_hash;
-struct crypto_ahash;
 struct crypto_rng;
 struct crypto_tfm;
 struct crypto_type;
 struct aead_givcrypt_request;
-struct ahash_request;
 struct skcipher_givcrypt_request;
 
 typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err);
@@ -211,18 +209,6 @@ struct ablkcipher_alg {
         unsigned int ivsize;
 };
 
-struct old_ahash_alg {
-        int (*init)(struct ahash_request *req);
-        int (*reinit)(struct ahash_request *req);
-        int (*update)(struct ahash_request *req);
-        int (*final)(struct ahash_request *req);
-        int (*digest)(struct ahash_request *req);
-        int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
-                        unsigned int keylen);
-
-        unsigned int digestsize;
-};
-
 struct aead_alg {
         int (*setkey)(struct crypto_aead *tfm, const u8 *key,
                       unsigned int keylen);
@@ -309,7 +295,6 @@ struct rng_alg {
 #define cra_cipher      cra_u.cipher
 #define cra_digest      cra_u.digest
 #define cra_hash        cra_u.hash
-#define cra_ahash       cra_u.ahash
 #define cra_compress    cra_u.compress
 #define cra_rng         cra_u.rng
 
@@ -337,7 +322,6 @@ struct crypto_alg {
                 struct cipher_alg cipher;
                 struct digest_alg digest;
                 struct hash_alg hash;
-                struct old_ahash_alg ahash;
                 struct compress_alg compress;
                 struct rng_alg rng;
         } cra_u;