1520 ecryptfs_process_key_cipher(struct crypto_skcipher **key_tfm,  in ecryptfs_process_key_cipher()  argument
1527 	*key_tfm = NULL;  in ecryptfs_process_key_cipher()
1538 	*key_tfm = crypto_alloc_skcipher(full_alg_name, 0, CRYPTO_ALG_ASYNC);  in ecryptfs_process_key_cipher()
1539 	if (IS_ERR(*key_tfm)) {  in ecryptfs_process_key_cipher()
1540 		rc = PTR_ERR(*key_tfm);  in ecryptfs_process_key_cipher()
1545 	crypto_skcipher_set_flags(*key_tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);  in ecryptfs_process_key_cipher()
1547 		*key_size = crypto_skcipher_max_keysize(*key_tfm);  in ecryptfs_process_key_cipher()
1549 	rc = crypto_skcipher_setkey(*key_tfm, dummy_key, *key_size);  in ecryptfs_process_key_cipher()
1579 	struct ecryptfs_key_tfm *key_tfm, *key_tfm_tmp;  in ecryptfs_destroy_crypto()  local
1582 	list_for_each_entry_safe(key_tfm, key_tfm_tmp, &key_tfm_list,  in ecryptfs_destroy_crypto()
1584 		list_del(&key_tfm->key_tfm_list);  in ecryptfs_destroy_crypto()
1585 		crypto_free_skcipher(key_tfm->key_tfm);  in ecryptfs_destroy_crypto()
1586 		kmem_cache_free(ecryptfs_key_tfm_cache, key_tfm);  in ecryptfs_destroy_crypto()
1593 ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name,  in ecryptfs_add_new_key_tfm()  argument
1602 	if (key_tfm)  in ecryptfs_add_new_key_tfm()
1603 		(*key_tfm) = tmp_tfm;  in ecryptfs_add_new_key_tfm()
1613 	rc = ecryptfs_process_key_cipher(&tmp_tfm->key_tfm,  in ecryptfs_add_new_key_tfm()
1621 		if (key_tfm)  in ecryptfs_add_new_key_tfm()
1622 			(*key_tfm) = NULL;  in ecryptfs_add_new_key_tfm()
1640 int ecryptfs_tfm_exists(char *cipher_name, struct ecryptfs_key_tfm **key_tfm)  in ecryptfs_tfm_exists()  argument
1648 			if (key_tfm)  in ecryptfs_tfm_exists()
1649 				(*key_tfm) = tmp_key_tfm;  in ecryptfs_tfm_exists()
1653 	if (key_tfm)  in ecryptfs_tfm_exists()
1654 		(*key_tfm) = NULL;  in ecryptfs_tfm_exists()
1673 	struct ecryptfs_key_tfm *key_tfm;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()  local
1680 	if (!ecryptfs_tfm_exists(cipher_name, &key_tfm)) {  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1681 		rc = ecryptfs_add_new_key_tfm(&key_tfm, cipher_name, 0);  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1688 	(*tfm) = key_tfm->key_tfm;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1689 	(*tfm_mutex) = &key_tfm->key_tfm_mutex;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()