1523 ecryptfs_process_key_cipher(struct crypto_skcipher **key_tfm,  in ecryptfs_process_key_cipher()  argument
1530 	*key_tfm = NULL;  in ecryptfs_process_key_cipher()
1541 	*key_tfm = crypto_alloc_skcipher(full_alg_name, 0, CRYPTO_ALG_ASYNC);  in ecryptfs_process_key_cipher()
1542 	if (IS_ERR(*key_tfm)) {  in ecryptfs_process_key_cipher()
1543 		rc = PTR_ERR(*key_tfm);  in ecryptfs_process_key_cipher()
1548 	crypto_skcipher_set_flags(*key_tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);  in ecryptfs_process_key_cipher()
1550 		*key_size = crypto_skcipher_max_keysize(*key_tfm);  in ecryptfs_process_key_cipher()
1552 	rc = crypto_skcipher_setkey(*key_tfm, dummy_key, *key_size);  in ecryptfs_process_key_cipher()
1582 	struct ecryptfs_key_tfm *key_tfm, *key_tfm_tmp;  in ecryptfs_destroy_crypto()  local
1585 	list_for_each_entry_safe(key_tfm, key_tfm_tmp, &key_tfm_list,  in ecryptfs_destroy_crypto()
1587 		list_del(&key_tfm->key_tfm_list);  in ecryptfs_destroy_crypto()
1588 		crypto_free_skcipher(key_tfm->key_tfm);  in ecryptfs_destroy_crypto()
1589 		kmem_cache_free(ecryptfs_key_tfm_cache, key_tfm);  in ecryptfs_destroy_crypto()
1596 ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name,  in ecryptfs_add_new_key_tfm()  argument
1605 	if (key_tfm)  in ecryptfs_add_new_key_tfm()
1606 		(*key_tfm) = tmp_tfm;  in ecryptfs_add_new_key_tfm()
1614 	rc = ecryptfs_process_key_cipher(&tmp_tfm->key_tfm,  in ecryptfs_add_new_key_tfm()
1622 		if (key_tfm)  in ecryptfs_add_new_key_tfm()
1623 			(*key_tfm) = NULL;  in ecryptfs_add_new_key_tfm()
1641 int ecryptfs_tfm_exists(char *cipher_name, struct ecryptfs_key_tfm **key_tfm)  in ecryptfs_tfm_exists()  argument
1649 			if (key_tfm)  in ecryptfs_tfm_exists()
1650 				(*key_tfm) = tmp_key_tfm;  in ecryptfs_tfm_exists()
1654 	if (key_tfm)  in ecryptfs_tfm_exists()
1655 		(*key_tfm) = NULL;  in ecryptfs_tfm_exists()
1674 	struct ecryptfs_key_tfm *key_tfm;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()  local
1681 	if (!ecryptfs_tfm_exists(cipher_name, &key_tfm)) {  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1682 		rc = ecryptfs_add_new_key_tfm(&key_tfm, cipher_name, 0);  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1689 	(*tfm) = key_tfm->key_tfm;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1690 	(*tfm_mutex) = &key_tfm->key_tfm_mutex;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()