diff options
Diffstat (limited to 'crypto/ccm.c')
| -rw-r--r-- | crypto/ccm.c | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/crypto/ccm.c b/crypto/ccm.c index a9fb46f22eaa..411c3973b95c 100644 --- a/crypto/ccm.c +++ b/crypto/ccm.c @@ -887,6 +887,7 @@ static void cbcmac_exit_tfm(struct crypto_tfm *tfm) static int cbcmac_create(struct crypto_template *tmpl, struct rtattr **tb) { struct shash_instance *inst; + struct crypto_cipher_spawn *spawn; struct crypto_alg *alg; int err; @@ -894,21 +895,20 @@ static int cbcmac_create(struct crypto_template *tmpl, struct rtattr **tb) if (err) return err; - alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_CIPHER, - CRYPTO_ALG_TYPE_MASK); - if (IS_ERR(alg)) - return PTR_ERR(alg); + inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); + if (!inst) + return -ENOMEM; + spawn = shash_instance_ctx(inst); - inst = shash_alloc_instance("cbcmac", alg); - err = PTR_ERR(inst); - if (IS_ERR(inst)) - goto out_put_alg; + err = crypto_grab_cipher(spawn, shash_crypto_instance(inst), + crypto_attr_alg_name(tb[1]), 0, 0); + if (err) + goto err_free_inst; + alg = crypto_spawn_cipher_alg(spawn); - err = crypto_init_spawn(shash_instance_ctx(inst), alg, - shash_crypto_instance(inst), - CRYPTO_ALG_TYPE_MASK); + err = crypto_inst_setname(shash_crypto_instance(inst), tmpl->name, alg); if (err) - goto out_free_inst; + goto err_free_inst; inst->alg.base.cra_priority = alg->cra_priority; inst->alg.base.cra_blocksize = 1; @@ -928,13 +928,10 @@ static int cbcmac_create(struct crypto_template *tmpl, struct rtattr **tb) inst->alg.setkey = crypto_cbcmac_digest_setkey; err = shash_register_instance(tmpl, inst); - -out_free_inst: - if (err) + if (err) { +err_free_inst: shash_free_instance(shash_crypto_instance(inst)); - -out_put_alg: - crypto_mod_put(alg); + } return err; } |