diff options
Diffstat (limited to 'crypto/ctr.c')
| -rw-r--r-- | crypto/ctr.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/crypto/ctr.c b/crypto/ctr.c index 31ac4ae598e1..ae8d88c715d6 100644 --- a/crypto/ctr.c +++ b/crypto/ctr.c @@ -256,29 +256,22 @@ static void crypto_rfc3686_free(struct skcipher_instance *inst) static int crypto_rfc3686_create(struct crypto_template *tmpl, struct rtattr **tb) { - struct crypto_attr_type *algt; struct skcipher_instance *inst; struct skcipher_alg *alg; struct crypto_skcipher_spawn *spawn; u32 mask; - int err; - algt = crypto_get_attr_type(tb); - if (IS_ERR(algt)) - return PTR_ERR(algt); - - if ((algt->type ^ CRYPTO_ALG_TYPE_SKCIPHER) & algt->mask) - return -EINVAL; + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SKCIPHER, &mask); + if (err) + return err; + mask |= crypto_requires_off(crypto_get_attr_type(tb), + CRYPTO_ALG_NEED_FALLBACK); inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); if (!inst) return -ENOMEM; - mask = crypto_requires_sync(algt->type, algt->mask) | - crypto_requires_off(algt->type, algt->mask, - CRYPTO_ALG_NEED_FALLBACK); - spawn = skcipher_instance_ctx(inst); err = crypto_grab_skcipher(spawn, skcipher_crypto_instance(inst), @@ -310,8 +303,6 @@ static int crypto_rfc3686_create(struct crypto_template *tmpl, inst->alg.base.cra_blocksize = 1; inst->alg.base.cra_alignmask = alg->base.cra_alignmask; - inst->alg.base.cra_flags = alg->base.cra_flags & CRYPTO_ALG_ASYNC; - inst->alg.ivsize = CTR_RFC3686_IV_SIZE; inst->alg.chunksize = crypto_skcipher_alg_chunksize(alg); inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(alg) + |