[PATCH net-next 3/6] crypto: api - Remove crypto_clone_tfm()
From: Eric Biggers <ebiggers@kernel.org>
Date: 2026-05-22 05:31:05
Also in:
linux-crypto, lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
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> --- crypto/api.c | 26 -------------------------- crypto/internal.h | 2 -- 2 files changed, 28 deletions(-)
diff --git a/crypto/api.c b/crypto/api.c
index 74e17d5049c9..d019d1979857 100644
--- a/crypto/api.c
+++ b/crypto/api.c@@ -558,36 +558,10 @@ void *crypto_create_tfm_node(struct crypto_alg *alg, out: return mem; } 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) { if (frontend) {
diff --git a/crypto/internal.h b/crypto/internal.h
index 8fbe0226d48e..96f84abfac91 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h@@ -124,12 +124,10 @@ struct crypto_tfm *__crypto_alloc_tfmgfp(struct crypto_alg *alg, u32 type, u32 mask, gfp_t gfp); 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) { return crypto_create_tfm_node(alg, frontend, NUMA_NO_NODE);
--
2.54.0