diff options
Diffstat (limited to 'crypto/api.c')
| -rw-r--r-- | crypto/api.c | 63 |
1 files changed, 7 insertions, 56 deletions
diff --git a/crypto/api.c b/crypto/api.c index 8c446871cd5b..8b80baec853a 100644 --- a/crypto/api.c +++ b/crypto/api.c @@ -212,25 +212,6 @@ struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask) } EXPORT_SYMBOL_GPL(crypto_alg_mod_lookup); -static int crypto_init_flags(struct crypto_tfm *tfm, u32 flags) -{ - tfm->crt_flags = flags & CRYPTO_TFM_REQ_MASK; - flags &= ~CRYPTO_TFM_REQ_MASK; - - switch (crypto_tfm_alg_type(tfm)) { - case CRYPTO_ALG_TYPE_CIPHER: - return crypto_init_cipher_flags(tfm, flags); - - case CRYPTO_ALG_TYPE_DIGEST: - return crypto_init_digest_flags(tfm, flags); - - case CRYPTO_ALG_TYPE_COMPRESS: - return crypto_init_compress_flags(tfm, flags); - } - - return 0; -} - static int crypto_init_ops(struct crypto_tfm *tfm) { const struct crypto_type *type = tfm->__crt_alg->cra_type; @@ -285,7 +266,7 @@ static void crypto_exit_ops(struct crypto_tfm *tfm) } } -static unsigned int crypto_ctxsize(struct crypto_alg *alg, int flags) +static unsigned int crypto_ctxsize(struct crypto_alg *alg) { const struct crypto_type *type = alg->cra_type; unsigned int len; @@ -299,15 +280,15 @@ static unsigned int crypto_ctxsize(struct crypto_alg *alg, int flags) BUG(); case CRYPTO_ALG_TYPE_CIPHER: - len += crypto_cipher_ctxsize(alg, flags); + len += crypto_cipher_ctxsize(alg); break; case CRYPTO_ALG_TYPE_DIGEST: - len += crypto_digest_ctxsize(alg, flags); + len += crypto_digest_ctxsize(alg); break; case CRYPTO_ALG_TYPE_COMPRESS: - len += crypto_compress_ctxsize(alg, flags); + len += crypto_compress_ctxsize(alg); break; } @@ -322,23 +303,19 @@ void crypto_shoot_alg(struct crypto_alg *alg) } EXPORT_SYMBOL_GPL(crypto_shoot_alg); -struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 flags) +struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg) { struct crypto_tfm *tfm = NULL; unsigned int tfm_size; int err = -ENOMEM; - tfm_size = sizeof(*tfm) + crypto_ctxsize(alg, flags); + tfm_size = sizeof(*tfm) + crypto_ctxsize(alg); tfm = kzalloc(tfm_size, GFP_KERNEL); if (tfm == NULL) goto out_err; tfm->__crt_alg = alg; - err = crypto_init_flags(tfm, flags); - if (err) - goto out_free_tfm; - err = crypto_init_ops(tfm); if (err) goto out_free_tfm; @@ -362,31 +339,6 @@ out: } EXPORT_SYMBOL_GPL(__crypto_alloc_tfm); -struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags) -{ - struct crypto_tfm *tfm = NULL; - int err; - - do { - struct crypto_alg *alg; - - alg = crypto_alg_mod_lookup(name, 0, CRYPTO_ALG_ASYNC); - err = PTR_ERR(alg); - if (IS_ERR(alg)) - continue; - - tfm = __crypto_alloc_tfm(alg, flags); - err = 0; - if (IS_ERR(tfm)) { - crypto_mod_put(alg); - err = PTR_ERR(tfm); - tfm = NULL; - } - } while (err == -EAGAIN && !signal_pending(current)); - - return tfm; -} - /* * crypto_alloc_base - Locate algorithm and allocate transform * @alg_name: Name of algorithm @@ -420,7 +372,7 @@ struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask) goto err; } - tfm = __crypto_alloc_tfm(alg, 0); + tfm = __crypto_alloc_tfm(alg); if (!IS_ERR(tfm)) return tfm; @@ -466,7 +418,6 @@ void crypto_free_tfm(struct crypto_tfm *tfm) kfree(tfm); } -EXPORT_SYMBOL_GPL(crypto_alloc_tfm); EXPORT_SYMBOL_GPL(crypto_free_tfm); int crypto_has_alg(const char *name, u32 type, u32 mask) |