201 	int ret = 0;  in nfs_idmap_init()  local
216 		ret = PTR_ERR(keyring);  in nfs_idmap_init()
220 	ret = register_key_type(&key_type_id_resolver);  in nfs_idmap_init()
221 	if (ret < 0)  in nfs_idmap_init()
224 	ret = register_key_type(&key_type_id_resolver_legacy);  in nfs_idmap_init()
225 	if (ret < 0)  in nfs_idmap_init()
240 	return ret;  in nfs_idmap_init()
284 	ssize_t ret;  in nfs_idmap_request_key()  local
286 	ret = nfs_idmap_get_desc(name, namelen, type, strlen(type), &desc);  in nfs_idmap_request_key()
287 	if (ret < 0)  in nfs_idmap_request_key()
288 		return ERR_PTR(ret);  in nfs_idmap_request_key()
312 	ssize_t ret;  in nfs_idmap_get_key()  local
319 		ret = PTR_ERR(rkey);  in nfs_idmap_get_key()
326 	ret = key_validate(rkey);  in nfs_idmap_get_key()
327 	if (ret < 0)  in nfs_idmap_get_key()
332 		ret = PTR_ERR(payload);  in nfs_idmap_get_key()
336 	ret = payload->datalen;  in nfs_idmap_get_key()
337 	if (ret > 0 && ret <= data_size)  in nfs_idmap_get_key()
338 		memcpy(data, payload->data, ret);  in nfs_idmap_get_key()
340 		ret = -EINVAL;  in nfs_idmap_get_key()
346 	return ret;  in nfs_idmap_get_key()
355 	ssize_t ret;  in nfs_idmap_lookup_name()  local
358 	ret = nfs_idmap_get_key(id_str, id_len, type, buf, buflen, idmap);  in nfs_idmap_lookup_name()
359 	if (ret < 0)  in nfs_idmap_lookup_name()
361 	return ret;  in nfs_idmap_lookup_name()
371 	int ret = 0;  in nfs_idmap_lookup_id()  local
375 		ret = -EINVAL;  in nfs_idmap_lookup_id()
377 		ret = kstrtol(id_str, 10, &id_long);  in nfs_idmap_lookup_id()
378 		if (!ret)  in nfs_idmap_lookup_id()
381 	return ret;  in nfs_idmap_lookup_id()
516 	int token, ret;  in nfs_idmap_prepare_message()  local
527 		ret = match_strlcpy(im->im_name, &substr, IDMAP_NAMESZ);  in nfs_idmap_prepare_message()
535 		ret = match_int(&substr, &im->im_id);  in nfs_idmap_prepare_message()
536 		if (ret)  in nfs_idmap_prepare_message()
541 		ret = -EINVAL;  in nfs_idmap_prepare_message()
549 	return ret;  in nfs_idmap_prepare_message()
565 					   int ret)  in nfs_idmap_complete_pipe_upcall()  argument
567 	complete_request_key(data->authkey, ret);  in nfs_idmap_complete_pipe_upcall()
574 					int ret)  in nfs_idmap_abort_pipe_upcall()  argument
577 		nfs_idmap_complete_pipe_upcall(data, ret);  in nfs_idmap_abort_pipe_upcall()
588 	int ret = -ENOKEY;  in nfs_idmap_legacy_upcall()  local
594 	ret = -ENOMEM;  in nfs_idmap_legacy_upcall()
604 	ret = nfs_idmap_prepare_message(key->description, idmap, im, msg);  in nfs_idmap_legacy_upcall()
605 	if (ret < 0)  in nfs_idmap_legacy_upcall()
608 	ret = -EAGAIN;  in nfs_idmap_legacy_upcall()
612 	ret = rpc_queue_upcall(idmap->idmap_pipe, msg);  in nfs_idmap_legacy_upcall()
613 	if (ret < 0)  in nfs_idmap_legacy_upcall()
614 		nfs_idmap_abort_pipe_upcall(idmap, data, ret);  in nfs_idmap_legacy_upcall()
616 	return ret;  in nfs_idmap_legacy_upcall()
620 	complete_request_key(authkey, ret);  in nfs_idmap_legacy_upcall()
621 	return ret;  in nfs_idmap_legacy_upcall()
637 	int ret = -ENOKEY;  in nfs_idmap_read_and_verify_message()  local
649 		ret = nfs_idmap_instantiate(key, authkey, id_str, len);  in nfs_idmap_read_and_verify_message()
655 		ret = nfs_idmap_instantiate(key, authkey, im->im_name, len);  in nfs_idmap_read_and_verify_message()
658 		ret = -EINVAL;  in nfs_idmap_read_and_verify_message()
661 	return ret;  in nfs_idmap_read_and_verify_message()
674 	int ret = -ENOKEY;  in idmap_pipe_downcall()  local
688 		ret = -ENOSPC;  in idmap_pipe_downcall()
693 		ret = -EFAULT;  in idmap_pipe_downcall()
698 		ret = -ENOKEY;  in idmap_pipe_downcall()
704 		ret = -EINVAL;  in idmap_pipe_downcall()
708 	ret = nfs_idmap_read_and_verify_message(&im, &data->idmap_msg,  in idmap_pipe_downcall()
710 	if (ret >= 0) {  in idmap_pipe_downcall()
712 		ret = mlen;  in idmap_pipe_downcall()
716 	nfs_idmap_complete_pipe_upcall(data, ret);  in idmap_pipe_downcall()
718 	return ret;  in idmap_pipe_downcall()
749 	int ret = 0;  in nfs_map_name_to_uid()  local
752 		ret = nfs_idmap_lookup_id(name, namelen, "uid", &id, idmap);  in nfs_map_name_to_uid()
753 	if (ret == 0) {  in nfs_map_name_to_uid()
756 			ret = -ERANGE;  in nfs_map_name_to_uid()
758 	trace_nfs4_map_name_to_uid(name, namelen, id, ret);  in nfs_map_name_to_uid()
759 	return ret;  in nfs_map_name_to_uid()
766 	int ret = 0;  in nfs_map_group_to_gid()  local
769 		ret = nfs_idmap_lookup_id(name, namelen, "gid", &id, idmap);  in nfs_map_group_to_gid()
770 	if (ret == 0) {  in nfs_map_group_to_gid()
773 			ret = -ERANGE;  in nfs_map_group_to_gid()
775 	trace_nfs4_map_group_to_gid(name, namelen, id, ret);  in nfs_map_group_to_gid()
776 	return ret;  in nfs_map_group_to_gid()
782 	int ret = -EINVAL;  in nfs_map_uid_to_name()  local
787 		ret = nfs_idmap_lookup_name(id, "user", buf, buflen, idmap);  in nfs_map_uid_to_name()
788 	if (ret < 0)  in nfs_map_uid_to_name()
789 		ret = nfs_map_numeric_to_string(id, buf, buflen);  in nfs_map_uid_to_name()
790 	trace_nfs4_map_uid_to_name(buf, ret, id, ret);  in nfs_map_uid_to_name()
791 	return ret;  in nfs_map_uid_to_name()
796 	int ret = -EINVAL;  in nfs_map_gid_to_group()  local
801 		ret = nfs_idmap_lookup_name(id, "group", buf, buflen, idmap);  in nfs_map_gid_to_group()
802 	if (ret < 0)  in nfs_map_gid_to_group()
803 		ret = nfs_map_numeric_to_string(id, buf, buflen);  in nfs_map_gid_to_group()
804 	trace_nfs4_map_gid_to_group(buf, ret, id, ret);  in nfs_map_gid_to_group()
805 	return ret;  in nfs_map_gid_to_group()