Since the only caller of crypto_clone_cipher() was cmac_clone_tfm() which has been removed, remove crypto_clone_cipher() as well. Signed-off-by: Eric Biggers --- crypto/cipher.c | 28 ---------------------------- include/crypto/internal/cipher.h | 2 -- 2 files changed, 30 deletions(-) diff --git a/crypto/cipher.c b/crypto/cipher.c index 1fe62bf79656b..c9dab656a622e 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -87,33 +87,5 @@ void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, u8 *dst, const u8 *src) { cipher_crypt_one(tfm, dst, src, false); } EXPORT_SYMBOL_NS_GPL(crypto_cipher_decrypt_one, "CRYPTO_INTERNAL"); - -struct crypto_cipher *crypto_clone_cipher(struct crypto_cipher *cipher) -{ - struct crypto_tfm *tfm = crypto_cipher_tfm(cipher); - struct crypto_alg *alg = tfm->__crt_alg; - struct crypto_cipher *ncipher; - struct crypto_tfm *ntfm; - - if (alg->cra_init) - return ERR_PTR(-ENOSYS); - - if (unlikely(!crypto_mod_get(alg))) - return ERR_PTR(-ESTALE); - - ntfm = __crypto_alloc_tfmgfp(alg, CRYPTO_ALG_TYPE_CIPHER, - CRYPTO_ALG_TYPE_MASK, GFP_ATOMIC); - if (IS_ERR(ntfm)) { - crypto_mod_put(alg); - return ERR_CAST(ntfm); - } - - ntfm->crt_flags = tfm->crt_flags; - - ncipher = __crypto_cipher_cast(ntfm); - - return ncipher; -} -EXPORT_SYMBOL_GPL(crypto_clone_cipher); diff --git a/include/crypto/internal/cipher.h b/include/crypto/internal/cipher.h index 5030f6d2df315..a9174ba902500 100644 --- a/include/crypto/internal/cipher.h +++ b/include/crypto/internal/cipher.h @@ -174,12 +174,10 @@ void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, * the plaintext and ciphertext buffers are at least one block in size. */ void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, u8 *dst, const u8 *src); -struct crypto_cipher *crypto_clone_cipher(struct crypto_cipher *cipher); - struct crypto_cipher_spawn { struct crypto_spawn base; }; static inline int crypto_grab_cipher(struct crypto_cipher_spawn *spawn, -- 2.53.0