43 	dir->header.ctl_table[0].child = sysctl_mount_point;  in set_empty_dir()
49 	dir->header.ctl_table[0].child = NULL;  in clear_empty_dir()
69 	.default_set.dir.header = {
81 static void drop_sysctl_table(struct ctl_table_header *header);
85 static void put_links(struct ctl_table_header *header);
89 	if (dir->header.parent)  in sysctl_print_dir()
90 		sysctl_print_dir(dir->header.parent);  in sysctl_print_dir()
91 	pr_cont("%s/", dir->header.ctl_table[0].procname);  in sysctl_print_dir()
124 		head = ctl_node->header;  in find_entry()
158 		parent_head = parent_node->header;  in insert_entry()
205 			node->header = head;  in init_header()
216 static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)  in insert_header()  argument
222 	if (is_empty_dir(&dir->header))  in insert_header()
226 	if (header->ctl_table == sysctl_mount_point) {  in insert_header()
232 	dir->header.nreg++;  in insert_header()
233 	header->parent = dir;  in insert_header()
234 	err = insert_links(header);  in insert_header()
237 	for (entry = header->ctl_table; entry->procname; entry++) {  in insert_header()
238 		err = insert_entry(header, entry);  in insert_header()
244 	erase_header(header);  in insert_header()
245 	put_links(header);  in insert_header()
247 	if (header->ctl_table == sysctl_mount_point)  in insert_header()
249 	header->parent = NULL;  in insert_header()
250 	drop_sysctl_table(&dir->header);  in insert_header()
391 		if (use_table(ctl_node->header))  in first_usable_entry()
408 		head = ctl_node->header;  in first_entry()
428 		head = ctl_node->header;  in next_entry()
528 		head = &sysctl_table_root.default_set.dir.header;  in grab_header()
547 	ctl_dir = container_of(head, struct ctl_dir, header);  in proc_sys_lookup()
790 	ctl_dir = container_of(head, struct ctl_dir, header);  in proc_sys_readdir()
962 	return container_of(head, struct ctl_dir, header);  in find_subdir()
986 	init_header(&new->header, set->dir.header.root, set, node, table);  in new_dir()
1006 	struct ctl_table_set *set = dir->header.set;  in get_subdir()
1032 	err = insert_header(dir, &new->header);  in get_subdir()
1038 	subdir->header.nreg++;  in get_subdir()
1046 	drop_sysctl_table(&dir->header);  in get_subdir()
1048 		drop_sysctl_table(&new->header);  in get_subdir()
1057 	if (!dir->header.parent)  in xlate_dir()
1059 	parent = xlate_dir(set, dir->header.parent);  in xlate_dir()
1062 	procname = dir->header.ctl_table[0].procname;  in xlate_dir()
1200 	init_header(links, dir->header.root, dir->header.set, node, link_table);  in new_links()
1251 	core_parent->header.nreg++;  in insert_links()
1271 	drop_sysctl_table(&core_parent->header);  in insert_links()
1321 	struct ctl_table_root *root = set->dir.header.root;  in __register_sysctl_table()
1322 	struct ctl_table_header *header;  in __register_sysctl_table()  local
1332 	header = kzalloc(sizeof(struct ctl_table_header) +  in __register_sysctl_table()
1334 	if (!header)  in __register_sysctl_table()
1337 	node = (struct ctl_node *)(header + 1);  in __register_sysctl_table()
1338 	init_header(header, root, set, node, table);  in __register_sysctl_table()
1345 	dir->header.nreg++;  in __register_sysctl_table()
1367 	if (insert_header(dir, header))  in __register_sysctl_table()
1370 	drop_sysctl_table(&dir->header);  in __register_sysctl_table()
1373 	return header;  in __register_sysctl_table()
1376 	drop_sysctl_table(&dir->header);  in __register_sysctl_table()
1379 	kfree(header);  in __register_sysctl_table()
1502 		struct ctl_table_header *header;  in register_leaf_sysctl_tables()  local
1503 		header = __register_sysctl_table(set, path, files);  in register_leaf_sysctl_tables()
1504 		if (!header) {  in register_leaf_sysctl_tables()
1510 		header->ctl_table_arg = ctl_table_arg;  in register_leaf_sysctl_tables()
1511 		**subheader = header;  in register_leaf_sysctl_tables()
1556 	struct ctl_table_header *header = NULL, **subheaders, **subheader;  in __register_sysctl_paths()  local
1577 		header = __register_sysctl_table(set, new_path, table);  in __register_sysctl_paths()
1578 		if (header)  in __register_sysctl_paths()
1579 			header->ctl_table_arg = ctl_table_arg;  in __register_sysctl_paths()
1581 		header = kzalloc(sizeof(*header) +  in __register_sysctl_paths()
1583 		if (!header)  in __register_sysctl_paths()
1586 		subheaders = (struct ctl_table_header **) (header + 1);  in __register_sysctl_paths()
1588 		header->ctl_table_arg = ctl_table_arg;  in __register_sysctl_paths()
1597 	return header;  in __register_sysctl_paths()
1606 	kfree(header);  in __register_sysctl_paths()
1607 	header = NULL;  in __register_sysctl_paths()
1646 static void put_links(struct ctl_table_header *header)  in put_links()  argument
1649 	struct ctl_table_root *root = header->root;  in put_links()
1650 	struct ctl_dir *parent = header->parent;  in put_links()
1654 	if (header->set == root_set)  in put_links()
1661 	for (entry = header->ctl_table; entry->procname; entry++) {  in put_links()
1680 static void drop_sysctl_table(struct ctl_table_header *header)  in drop_sysctl_table()  argument
1682 	struct ctl_dir *parent = header->parent;  in drop_sysctl_table()
1684 	if (--header->nreg)  in drop_sysctl_table()
1688 		put_links(header);  in drop_sysctl_table()
1689 		start_unregistering(header);  in drop_sysctl_table()
1692 	if (!--header->count)  in drop_sysctl_table()
1693 		kfree_rcu(header, rcu);  in drop_sysctl_table()
1696 		drop_sysctl_table(&parent->header);  in drop_sysctl_table()
1706 void unregister_sysctl_table(struct ctl_table_header * header)  in unregister_sysctl_table()  argument
1711 	if (header == NULL)  in unregister_sysctl_table()
1714 	nr_subheaders = count_subheaders(header->ctl_table_arg);  in unregister_sysctl_table()
1719 		subheaders = (struct ctl_table_header **)(header + 1);  in unregister_sysctl_table()
1726 		kfree(header);  in unregister_sysctl_table()
1731 	drop_sysctl_table(header);  in unregister_sysctl_table()
1742 	init_header(&set->dir.header, root, set, NULL, root_table);  in setup_sysctl_set()