191 	int ret = 0;  in nfs_idmap_init()  local
206 		ret = PTR_ERR(keyring);  in nfs_idmap_init()
210 	ret = register_key_type(&key_type_id_resolver);  in nfs_idmap_init()
211 	if (ret < 0)  in nfs_idmap_init()
214 	ret = register_key_type(&key_type_id_resolver_legacy);  in nfs_idmap_init()
215 	if (ret < 0)  in nfs_idmap_init()
230 	return ret;  in nfs_idmap_init()
274 	ssize_t ret;  in nfs_idmap_request_key()  local
276 	ret = nfs_idmap_get_desc(name, namelen, type, strlen(type), &desc);  in nfs_idmap_request_key()
277 	if (ret <= 0)  in nfs_idmap_request_key()
278 		return ERR_PTR(ret);  in nfs_idmap_request_key()
301 	ssize_t ret;  in nfs_idmap_get_key()  local
308 		ret = PTR_ERR(rkey);  in nfs_idmap_get_key()
315 	ret = key_validate(rkey);  in nfs_idmap_get_key()
316 	if (ret < 0)  in nfs_idmap_get_key()
321 		ret = PTR_ERR(payload);  in nfs_idmap_get_key()
325 	ret = payload->datalen;  in nfs_idmap_get_key()
326 	if (ret > 0 && ret <= data_size)  in nfs_idmap_get_key()
327 		memcpy(data, payload->data, ret);  in nfs_idmap_get_key()
329 		ret = -EINVAL;  in nfs_idmap_get_key()
335 	return ret;  in nfs_idmap_get_key()
344 	ssize_t ret;  in nfs_idmap_lookup_name()  local
347 	ret = nfs_idmap_get_key(id_str, id_len, type, buf, buflen, idmap);  in nfs_idmap_lookup_name()
348 	if (ret < 0)  in nfs_idmap_lookup_name()
350 	return ret;  in nfs_idmap_lookup_name()
360 	int ret = 0;  in nfs_idmap_lookup_id()  local
364 		ret = -EINVAL;  in nfs_idmap_lookup_id()
366 		ret = kstrtol(id_str, 10, &id_long);  in nfs_idmap_lookup_id()
369 	return ret;  in nfs_idmap_lookup_id()
500 	int token, ret;  in nfs_idmap_prepare_message()  local
510 		ret = match_strlcpy(im->im_name, &substr, IDMAP_NAMESZ);  in nfs_idmap_prepare_message()
517 		ret = match_int(&substr, &im->im_id);  in nfs_idmap_prepare_message()
521 		ret = -EINVAL;  in nfs_idmap_prepare_message()
529 	return ret;  in nfs_idmap_prepare_message()
545 nfs_idmap_complete_pipe_upcall_locked(struct idmap *idmap, int ret)  in nfs_idmap_complete_pipe_upcall_locked()  argument
551 	complete_request_key(cons, ret);  in nfs_idmap_complete_pipe_upcall_locked()
555 nfs_idmap_abort_pipe_upcall(struct idmap *idmap, int ret)  in nfs_idmap_abort_pipe_upcall()  argument
558 		nfs_idmap_complete_pipe_upcall_locked(idmap, ret);  in nfs_idmap_abort_pipe_upcall()
570 	int ret = -ENOKEY;  in nfs_idmap_legacy_upcall()  local
576 	ret = -ENOMEM;  in nfs_idmap_legacy_upcall()
586 	ret = nfs_idmap_prepare_message(key->description, idmap, im, msg);  in nfs_idmap_legacy_upcall()
587 	if (ret < 0)  in nfs_idmap_legacy_upcall()
590 	ret = -EAGAIN;  in nfs_idmap_legacy_upcall()
594 	ret = rpc_queue_upcall(idmap->idmap_pipe, msg);  in nfs_idmap_legacy_upcall()
595 	if (ret < 0)  in nfs_idmap_legacy_upcall()
596 		nfs_idmap_abort_pipe_upcall(idmap, ret);  in nfs_idmap_legacy_upcall()
598 	return ret;  in nfs_idmap_legacy_upcall()
602 	complete_request_key(cons, ret);  in nfs_idmap_legacy_upcall()
603 	return ret;  in nfs_idmap_legacy_upcall()
619 	int ret = -ENOKEY;  in nfs_idmap_read_and_verify_message()  local
631 		ret = nfs_idmap_instantiate(key, authkey, id_str, len);  in nfs_idmap_read_and_verify_message()
637 		ret = nfs_idmap_instantiate(key, authkey, im->im_name, len);  in nfs_idmap_read_and_verify_message()
640 		ret = -EINVAL;  in nfs_idmap_read_and_verify_message()
643 	return ret;  in nfs_idmap_read_and_verify_message()
654 	int ret = -ENOKEY;  in idmap_pipe_downcall()  local
666 		ret = -ENOSPC;  in idmap_pipe_downcall()
671 		ret = -EFAULT;  in idmap_pipe_downcall()
676 		ret = -ENOKEY;  in idmap_pipe_downcall()
682 		ret = -EINVAL;  in idmap_pipe_downcall()
686 	ret = nfs_idmap_read_and_verify_message(&im,  in idmap_pipe_downcall()
689 	if (ret >= 0) {  in idmap_pipe_downcall()
691 		ret = mlen;  in idmap_pipe_downcall()
695 	nfs_idmap_complete_pipe_upcall_locked(idmap, ret);  in idmap_pipe_downcall()
697 	return ret;  in idmap_pipe_downcall()
725 	int ret = 0;  in nfs_map_name_to_uid()  local
728 		ret = nfs_idmap_lookup_id(name, namelen, "uid", &id, idmap);  in nfs_map_name_to_uid()
729 	if (ret == 0) {  in nfs_map_name_to_uid()
732 			ret = -ERANGE;  in nfs_map_name_to_uid()
734 	trace_nfs4_map_name_to_uid(name, namelen, id, ret);  in nfs_map_name_to_uid()
735 	return ret;  in nfs_map_name_to_uid()
742 	int ret = 0;  in nfs_map_group_to_gid()  local
745 		ret = nfs_idmap_lookup_id(name, namelen, "gid", &id, idmap);  in nfs_map_group_to_gid()
746 	if (ret == 0) {  in nfs_map_group_to_gid()
749 			ret = -ERANGE;  in nfs_map_group_to_gid()
751 	trace_nfs4_map_group_to_gid(name, namelen, id, ret);  in nfs_map_group_to_gid()
752 	return ret;  in nfs_map_group_to_gid()
758 	int ret = -EINVAL;  in nfs_map_uid_to_name()  local
763 		ret = nfs_idmap_lookup_name(id, "user", buf, buflen, idmap);  in nfs_map_uid_to_name()
764 	if (ret < 0)  in nfs_map_uid_to_name()
765 		ret = nfs_map_numeric_to_string(id, buf, buflen);  in nfs_map_uid_to_name()
766 	trace_nfs4_map_uid_to_name(buf, ret, id, ret);  in nfs_map_uid_to_name()
767 	return ret;  in nfs_map_uid_to_name()
772 	int ret = -EINVAL;  in nfs_map_gid_to_group()  local
777 		ret = nfs_idmap_lookup_name(id, "group", buf, buflen, idmap);  in nfs_map_gid_to_group()
778 	if (ret < 0)  in nfs_map_gid_to_group()
779 		ret = nfs_map_numeric_to_string(id, buf, buflen);  in nfs_map_gid_to_group()
780 	trace_nfs4_map_gid_to_group(buf, ret, id, ret);  in nfs_map_gid_to_group()
781 	return ret;  in nfs_map_gid_to_group()