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authorEric Biggers <ebiggers@kernel.org>2026-05-22 00:30:24 -0500
committerJakub Kicinski <kuba@kernel.org>2026-05-28 17:45:45 -0700
commitcb2e6e86ceb518f792e9c7f404278cfea63c1154 (patch)
treec3aede5cb1cad51352f2f2458d44a8b44ad5af51 /crypto
parentf331c7be97cec765c611f95df31ee2a99628a013 (diff)
downloadlinux-next-history-cb2e6e86ceb518f792e9c7f404278cfea63c1154.tar.gz
crypto: cipher - Remove crypto_clone_cipher()
Since the only caller of crypto_clone_cipher() was cmac_clone_tfm() which has been removed, remove crypto_clone_cipher() as well. Note that no tests need to be removed, as this function had no tests. Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Eric Biggers <ebiggers@kernel.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Link: https://patch.msgid.link/20260522053028.91165-3-ebiggers@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/cipher.c28
1 files changed, 0 insertions, 28 deletions
diff --git a/crypto/cipher.c b/crypto/cipher.c
index 1fe62bf79656b..c9dab656a622e 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);