1549 ecryptfs_process_key_cipher(struct crypto_skcipher **key_tfm,  in ecryptfs_process_key_cipher()  argument
1556 	*key_tfm = NULL;  in ecryptfs_process_key_cipher()
1567 	*key_tfm = crypto_alloc_skcipher(full_alg_name, 0, CRYPTO_ALG_ASYNC);  in ecryptfs_process_key_cipher()
1568 	if (IS_ERR(*key_tfm)) {  in ecryptfs_process_key_cipher()
1569 		rc = PTR_ERR(*key_tfm);  in ecryptfs_process_key_cipher()
1574 	crypto_skcipher_set_flags(*key_tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);  in ecryptfs_process_key_cipher()
1576 		*key_size = crypto_skcipher_max_keysize(*key_tfm);  in ecryptfs_process_key_cipher()
1578 	rc = crypto_skcipher_setkey(*key_tfm, dummy_key, *key_size);  in ecryptfs_process_key_cipher()
1609 	struct ecryptfs_key_tfm *key_tfm, *key_tfm_tmp;  in ecryptfs_destroy_crypto()  local
1612 	list_for_each_entry_safe(key_tfm, key_tfm_tmp, &key_tfm_list,  in ecryptfs_destroy_crypto()
1614 		list_del(&key_tfm->key_tfm_list);  in ecryptfs_destroy_crypto()
1615 		crypto_free_skcipher(key_tfm->key_tfm);  in ecryptfs_destroy_crypto()
1616 		kmem_cache_free(ecryptfs_key_tfm_cache, key_tfm);  in ecryptfs_destroy_crypto()
1623 ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name,  in ecryptfs_add_new_key_tfm()  argument
1632 	if (key_tfm)  in ecryptfs_add_new_key_tfm()
1633 		(*key_tfm) = tmp_tfm;  in ecryptfs_add_new_key_tfm()
1643 	rc = ecryptfs_process_key_cipher(&tmp_tfm->key_tfm,  in ecryptfs_add_new_key_tfm()
1651 		if (key_tfm)  in ecryptfs_add_new_key_tfm()
1652 			(*key_tfm) = NULL;  in ecryptfs_add_new_key_tfm()
1670 int ecryptfs_tfm_exists(char *cipher_name, struct ecryptfs_key_tfm **key_tfm)  in ecryptfs_tfm_exists()  argument
1678 			if (key_tfm)  in ecryptfs_tfm_exists()
1679 				(*key_tfm) = tmp_key_tfm;  in ecryptfs_tfm_exists()
1683 	if (key_tfm)  in ecryptfs_tfm_exists()
1684 		(*key_tfm) = NULL;  in ecryptfs_tfm_exists()
1703 	struct ecryptfs_key_tfm *key_tfm;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()  local
1710 	if (!ecryptfs_tfm_exists(cipher_name, &key_tfm)) {  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1711 		rc = ecryptfs_add_new_key_tfm(&key_tfm, cipher_name, 0);  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1718 	(*tfm) = key_tfm->key_tfm;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1719 	(*tfm_mutex) = &key_tfm->key_tfm_mutex;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()