42 	dir->header.ctl_table[0].child = sysctl_mount_point;  in set_empty_dir()
48 	dir->header.ctl_table[0].child = NULL;  in clear_empty_dir()
68 	.default_set.dir.header = {
80 static void drop_sysctl_table(struct ctl_table_header *header);
84 static void put_links(struct ctl_table_header *header);
88 	if (dir->header.parent)  in sysctl_print_dir()
89 		sysctl_print_dir(dir->header.parent);  in sysctl_print_dir()
90 	pr_cont("%s/", dir->header.ctl_table[0].procname);  in sysctl_print_dir()
123 		head = ctl_node->header;  in find_entry()
157 		parent_head = parent_node->header;  in insert_entry()
204 			node->header = head;  in init_header()
215 static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)  in insert_header()  argument
221 	if (is_empty_dir(&dir->header))  in insert_header()
225 	if (header->ctl_table == sysctl_mount_point) {  in insert_header()
231 	dir->header.nreg++;  in insert_header()
232 	header->parent = dir;  in insert_header()
233 	err = insert_links(header);  in insert_header()
236 	for (entry = header->ctl_table; entry->procname; entry++) {  in insert_header()
237 		err = insert_entry(header, entry);  in insert_header()
243 	erase_header(header);  in insert_header()
244 	put_links(header);  in insert_header()
246 	if (header->ctl_table == sysctl_mount_point)  in insert_header()
248 	header->parent = NULL;  in insert_header()
249 	drop_sysctl_table(&dir->header);  in insert_header()
390 		if (use_table(ctl_node->header))  in first_usable_entry()
407 		head = ctl_node->header;  in first_entry()
427 		head = ctl_node->header;  in next_entry()
527 		head = &sysctl_table_root.default_set.dir.header;  in grab_header()
546 	ctl_dir = container_of(head, struct ctl_dir, header);  in proc_sys_lookup()
789 	ctl_dir = container_of(head, struct ctl_dir, header);  in proc_sys_readdir()
961 	return container_of(head, struct ctl_dir, header);  in find_subdir()
985 	init_header(&new->header, set->dir.header.root, set, node, table);  in new_dir()
1005 	struct ctl_table_set *set = dir->header.set;  in get_subdir()
1031 	err = insert_header(dir, &new->header);  in get_subdir()
1037 	subdir->header.nreg++;  in get_subdir()
1045 	drop_sysctl_table(&dir->header);  in get_subdir()
1047 		drop_sysctl_table(&new->header);  in get_subdir()
1056 	if (!dir->header.parent)  in xlate_dir()
1058 	parent = xlate_dir(set, dir->header.parent);  in xlate_dir()
1061 	procname = dir->header.ctl_table[0].procname;  in xlate_dir()
1199 	init_header(links, dir->header.root, dir->header.set, node, link_table);  in new_links()
1250 	core_parent->header.nreg++;  in insert_links()
1270 	drop_sysctl_table(&core_parent->header);  in insert_links()
1320 	struct ctl_table_root *root = set->dir.header.root;  in __register_sysctl_table()
1321 	struct ctl_table_header *header;  in __register_sysctl_table()  local
1331 	header = kzalloc(sizeof(struct ctl_table_header) +  in __register_sysctl_table()
1333 	if (!header)  in __register_sysctl_table()
1336 	node = (struct ctl_node *)(header + 1);  in __register_sysctl_table()
1337 	init_header(header, root, set, node, table);  in __register_sysctl_table()
1344 	dir->header.nreg++;  in __register_sysctl_table()
1366 	if (insert_header(dir, header))  in __register_sysctl_table()
1369 	drop_sysctl_table(&dir->header);  in __register_sysctl_table()
1372 	return header;  in __register_sysctl_table()
1375 	drop_sysctl_table(&dir->header);  in __register_sysctl_table()
1378 	kfree(header);  in __register_sysctl_table()
1469 		struct ctl_table_header *header;  in register_leaf_sysctl_tables()  local
1470 		header = __register_sysctl_table(set, path, files);  in register_leaf_sysctl_tables()
1471 		if (!header) {  in register_leaf_sysctl_tables()
1477 		header->ctl_table_arg = ctl_table_arg;  in register_leaf_sysctl_tables()
1478 		**subheader = header;  in register_leaf_sysctl_tables()
1523 	struct ctl_table_header *header = NULL, **subheaders, **subheader;  in __register_sysctl_paths()  local
1544 		header = __register_sysctl_table(set, new_path, table);  in __register_sysctl_paths()
1545 		if (header)  in __register_sysctl_paths()
1546 			header->ctl_table_arg = ctl_table_arg;  in __register_sysctl_paths()
1548 		header = kzalloc(sizeof(*header) +  in __register_sysctl_paths()
1550 		if (!header)  in __register_sysctl_paths()
1553 		subheaders = (struct ctl_table_header **) (header + 1);  in __register_sysctl_paths()
1555 		header->ctl_table_arg = ctl_table_arg;  in __register_sysctl_paths()
1564 	return header;  in __register_sysctl_paths()
1573 	kfree(header);  in __register_sysctl_paths()
1574 	header = NULL;  in __register_sysctl_paths()
1613 static void put_links(struct ctl_table_header *header)  in put_links()  argument
1616 	struct ctl_table_root *root = header->root;  in put_links()
1617 	struct ctl_dir *parent = header->parent;  in put_links()
1621 	if (header->set == root_set)  in put_links()
1628 	for (entry = header->ctl_table; entry->procname; entry++) {  in put_links()
1647 static void drop_sysctl_table(struct ctl_table_header *header)  in drop_sysctl_table()  argument
1649 	struct ctl_dir *parent = header->parent;  in drop_sysctl_table()
1651 	if (--header->nreg)  in drop_sysctl_table()
1655 		put_links(header);  in drop_sysctl_table()
1656 		start_unregistering(header);  in drop_sysctl_table()
1659 	if (!--header->count)  in drop_sysctl_table()
1660 		kfree_rcu(header, rcu);  in drop_sysctl_table()
1663 		drop_sysctl_table(&parent->header);  in drop_sysctl_table()
1673 void unregister_sysctl_table(struct ctl_table_header * header)  in unregister_sysctl_table()  argument
1678 	if (header == NULL)  in unregister_sysctl_table()
1681 	nr_subheaders = count_subheaders(header->ctl_table_arg);  in unregister_sysctl_table()
1686 		subheaders = (struct ctl_table_header **)(header + 1);  in unregister_sysctl_table()
1693 		kfree(header);  in unregister_sysctl_table()
1698 	drop_sysctl_table(header);  in unregister_sysctl_table()
1709 	init_header(&set->dir.header, root, set, NULL, root_table);  in setup_sysctl_set()