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crypto: api - Remove crypto_clone_tfm()

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Since all callers of crypto_clone_tfm() have been removed, remove it.

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/20260522053028.91165-4-ebiggers@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Biggers 2026-05-22 00:30:25 -05:00 committed by Jakub Kicinski
parent cb2e6e86ce
commit 590a46c68a
2 changed files with 0 additions and 28 deletions
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26
crypto/api.c
View File

@ -560,32 +560,6 @@ void *crypto_create_tfm_node(struct crypto_alg *alg,
}
EXPORT_SYMBOL_GPL(crypto_create_tfm_node);
void *crypto_clone_tfm(const struct crypto_type *frontend,
struct crypto_tfm *otfm)
{
struct crypto_alg *alg = otfm->__crt_alg;
struct crypto_tfm *tfm;
char *mem;
mem = ERR_PTR(-ESTALE);
if (unlikely(!crypto_mod_get(alg)))
goto out;
mem = crypto_alloc_tfmmem(alg, frontend, otfm->node, GFP_ATOMIC);
if (IS_ERR(mem)) {
crypto_mod_put(alg);
goto out;
}
tfm = (struct crypto_tfm *)(mem + frontend->tfmsize);
tfm->crt_flags = otfm->crt_flags;
tfm->fb = tfm;
out:
return mem;
}
EXPORT_SYMBOL_GPL(crypto_clone_tfm);
struct crypto_alg *crypto_find_alg(const char *alg_name,
const struct crypto_type *frontend,
u32 type, u32 mask)

2
crypto/internal.h
View File

@ -126,8 +126,6 @@ struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
u32 mask);
void *crypto_create_tfm_node(struct crypto_alg *alg,
const struct crypto_type *frontend, int node);
void *crypto_clone_tfm(const struct crypto_type *frontend,
struct crypto_tfm *otfm);
static inline void *crypto_create_tfm(struct crypto_alg *alg,
const struct crypto_type *frontend)