35 	dir->header.ctl_table[0].child = sysctl_mount_point;  in set_empty_dir()
41 	dir->header.ctl_table[0].child = NULL;  in clear_empty_dir()
61 	.default_set.dir.header = {
73 static void drop_sysctl_table(struct ctl_table_header *header);
77 static void put_links(struct ctl_table_header *header);
81 	if (dir->header.parent)  in sysctl_print_dir()
82 		sysctl_print_dir(dir->header.parent);  in sysctl_print_dir()
83 	pr_cont("%s/", dir->header.ctl_table[0].procname);  in sysctl_print_dir()
116 		head = ctl_node->header;  in find_entry()
150 		parent_head = parent_node->header;  in insert_entry()
196 			node->header = head;  in init_header()
207 static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)  in insert_header()  argument
213 	if (is_empty_dir(&dir->header))  in insert_header()
217 	if (header->ctl_table == sysctl_mount_point) {  in insert_header()
223 	dir->header.nreg++;  in insert_header()
224 	header->parent = dir;  in insert_header()
225 	err = insert_links(header);  in insert_header()
228 	for (entry = header->ctl_table; entry->procname; entry++) {  in insert_header()
229 		err = insert_entry(header, entry);  in insert_header()
235 	erase_header(header);  in insert_header()
236 	put_links(header);  in insert_header()
238 	if (header->ctl_table == sysctl_mount_point)  in insert_header()
240 	header->parent = NULL;  in insert_header()
241 	drop_sysctl_table(&dir->header);  in insert_header()
353 		if (use_table(ctl_node->header))  in first_usable_entry()
370 		head = ctl_node->header;  in first_entry()
390 		head = ctl_node->header;  in next_entry()
468 		head = &sysctl_table_root.default_set.dir.header;  in grab_header()
487 	ctl_dir = container_of(head, struct ctl_dir, header);  in proc_sys_lookup()
703 	ctl_dir = container_of(head, struct ctl_dir, header);  in proc_sys_readdir()
873 	return container_of(head, struct ctl_dir, header);  in find_subdir()
897 	init_header(&new->header, set->dir.header.root, set, node, table);  in new_dir()
917 	struct ctl_table_set *set = dir->header.set;  in get_subdir()
943 	err = insert_header(dir, &new->header);  in get_subdir()
949 	subdir->header.nreg++;  in get_subdir()
957 	drop_sysctl_table(&dir->header);  in get_subdir()
959 		drop_sysctl_table(&new->header);  in get_subdir()
968 	if (!dir->header.parent)  in xlate_dir()
970 	parent = xlate_dir(set, dir->header.parent);  in xlate_dir()
973 	procname = dir->header.ctl_table[0].procname;  in xlate_dir()
1094 	init_header(links, dir->header.root, dir->header.set, node, link_table);  in new_links()
1145 	core_parent->header.nreg++;  in insert_links()
1165 	drop_sysctl_table(&core_parent->header);  in insert_links()
1215 	struct ctl_table_root *root = set->dir.header.root;  in __register_sysctl_table()
1216 	struct ctl_table_header *header;  in __register_sysctl_table()  local
1226 	header = kzalloc(sizeof(struct ctl_table_header) +  in __register_sysctl_table()
1228 	if (!header)  in __register_sysctl_table()
1231 	node = (struct ctl_node *)(header + 1);  in __register_sysctl_table()
1232 	init_header(header, root, set, node, table);  in __register_sysctl_table()
1239 	dir->header.nreg++;  in __register_sysctl_table()
1261 	if (insert_header(dir, header))  in __register_sysctl_table()
1264 	drop_sysctl_table(&dir->header);  in __register_sysctl_table()
1267 	return header;  in __register_sysctl_table()
1270 	drop_sysctl_table(&dir->header);  in __register_sysctl_table()
1273 	kfree(header);  in __register_sysctl_table()
1364 		struct ctl_table_header *header;  in register_leaf_sysctl_tables()  local
1365 		header = __register_sysctl_table(set, path, files);  in register_leaf_sysctl_tables()
1366 		if (!header) {  in register_leaf_sysctl_tables()
1372 		header->ctl_table_arg = ctl_table_arg;  in register_leaf_sysctl_tables()
1373 		**subheader = header;  in register_leaf_sysctl_tables()
1418 	struct ctl_table_header *header = NULL, **subheaders, **subheader;  in __register_sysctl_paths()  local
1439 		header = __register_sysctl_table(set, new_path, table);  in __register_sysctl_paths()
1440 		if (header)  in __register_sysctl_paths()
1441 			header->ctl_table_arg = ctl_table_arg;  in __register_sysctl_paths()
1443 		header = kzalloc(sizeof(*header) +  in __register_sysctl_paths()
1445 		if (!header)  in __register_sysctl_paths()
1448 		subheaders = (struct ctl_table_header **) (header + 1);  in __register_sysctl_paths()
1450 		header->ctl_table_arg = ctl_table_arg;  in __register_sysctl_paths()
1459 	return header;  in __register_sysctl_paths()
1468 	kfree(header);  in __register_sysctl_paths()
1469 	header = NULL;  in __register_sysctl_paths()
1508 static void put_links(struct ctl_table_header *header)  in put_links()  argument
1511 	struct ctl_table_root *root = header->root;  in put_links()
1512 	struct ctl_dir *parent = header->parent;  in put_links()
1516 	if (header->set == root_set)  in put_links()
1523 	for (entry = header->ctl_table; entry->procname; entry++) {  in put_links()
1542 static void drop_sysctl_table(struct ctl_table_header *header)  in drop_sysctl_table()  argument
1544 	struct ctl_dir *parent = header->parent;  in drop_sysctl_table()
1546 	if (--header->nreg)  in drop_sysctl_table()
1549 	put_links(header);  in drop_sysctl_table()
1550 	start_unregistering(header);  in drop_sysctl_table()
1551 	if (!--header->count)  in drop_sysctl_table()
1552 		kfree_rcu(header, rcu);  in drop_sysctl_table()
1555 		drop_sysctl_table(&parent->header);  in drop_sysctl_table()
1565 void unregister_sysctl_table(struct ctl_table_header * header)  in unregister_sysctl_table()  argument
1570 	if (header == NULL)  in unregister_sysctl_table()
1573 	nr_subheaders = count_subheaders(header->ctl_table_arg);  in unregister_sysctl_table()
1578 		subheaders = (struct ctl_table_header **)(header + 1);  in unregister_sysctl_table()
1585 		kfree(header);  in unregister_sysctl_table()
1590 	drop_sysctl_table(header);  in unregister_sysctl_table()
1601 	init_header(&set->dir.header, root, set, NULL, root_table);  in setup_sysctl_set()