diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/cipher.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/crypto/cipher.c b/crypto/cipher.c index 1fe62bf79656..c9dab656a622 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -89,31 +89,3 @@ void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, 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); |