net/core/dev.c

264 	struct netdev_name_node *name_node;
266 	name_node = kmalloc(sizeof(*name_node), GFP_KERNEL);
267 	if (!name_node)
269 	INIT_HLIST_NODE(&name_node->hlist);
270 	name_node->dev = dev;
271 	name_node->name = name;
272 	return name_node;
278 	struct netdev_name_node *name_node;
280 	name_node = netdev_name_node_alloc(dev, dev->name);
281 	if (!name_node)
283 	INIT_LIST_HEAD(&name_node->list);
284 	return name_node;
287 static void netdev_name_node_free(struct netdev_name_node *name_node)
289 	kfree(name_node);
293 				 struct netdev_name_node *name_node)
295 	hlist_add_head_rcu(&name_node->hlist,
296 			   dev_name_hash(net, name_node->name));
299 static void netdev_name_node_del(struct netdev_name_node *name_node)
301 	hlist_del_rcu(&name_node->hlist);
308 	struct netdev_name_node *name_node;
310 	hlist_for_each_entry(name_node, head, hlist)
311 		if (!strcmp(name_node->name, name))
312 			return name_node;
320 	struct netdev_name_node *name_node;
322 	hlist_for_each_entry_rcu(name_node, head, hlist)
323 		if (!strcmp(name_node->name, name))
324 			return name_node;
336 	struct netdev_name_node *name_node;
339 	name_node = netdev_name_node_lookup(net, name);
340 	if (name_node)
342 	name_node = netdev_name_node_alloc(dev, name);
343 	if (!name_node)
345 	netdev_name_node_add(net, name_node);
347 	list_add_tail_rcu(&name_node->list, &dev->name_node->list);
354 	struct netdev_name_node *name_node =
357 	kfree(name_node->name);
358 	netdev_name_node_free(name_node);
361 static void __netdev_name_node_alt_destroy(struct netdev_name_node *name_node)
363 	netdev_name_node_del(name_node);
364 	list_del(&name_node->list);
365 	call_rcu(&name_node->rcu, netdev_name_node_alt_free);
370 	struct netdev_name_node *name_node;
373 	name_node = netdev_name_node_lookup(net, name);
374 	if (!name_node)
379 	if (name_node == dev->name_node || name_node->dev != dev)
382 	__netdev_name_node_alt_destroy(name_node);
388 	struct netdev_name_node *name_node, *tmp;
390 	list_for_each_entry_safe(name_node, tmp, &dev->name_node->list, list) {
391 		list_del(&name_node->list);
392 		netdev_name_node_alt_free(&name_node->rcu);
399 	struct netdev_name_node *name_node;
405 	netdev_name_node_add(net, dev->name_node);
409 	netdev_for_each_altname(dev, name_node)
410 		netdev_name_node_add(net, name_node);
423 	struct netdev_name_node *name_node;
430 	netdev_for_each_altname(dev, name_node)
431 		netdev_name_node_del(name_node);
435 	netdev_name_node_del(dev->name_node);
1117 		struct netdev_name_node *name_node;
1119 		netdev_for_each_altname(d, name_node) {
1120 			if (!sscanf(name_node->name, name, &i))
1127 			if (!strncmp(buf, name_node->name, IFNAMSIZ))
1258 	netdev_name_node_del(dev->name_node);
1262 	netdev_name_node_add(net, dev->name_node);
10295 	dev->name_node = netdev_name_node_head_alloc(dev);
10296 	if (!dev->name_node)
10438 	netdev_name_node_free(dev->name_node);
11233 		netdev_name_node_free(dev->name_node);
11318 	struct netdev_name_node *name_node;
11353 	netdev_for_each_altname(dev, name_node)
11354 		if (netdev_name_in_use(net, name_node->name))
11697 	struct netdev_name_node *name_node, *tmp;
11721 		netdev_for_each_altname_safe(dev, name_node, tmp)
11722 			if (netdev_name_in_use(&init_net, name_node->name))
11723 				__netdev_name_node_alt_destroy(name_node);