--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -984,15 +984,10 @@ int dev_change_name(struct net_device *d
 		return err;
 
 rollback:
-	/* For now only devices in the initial network namespace
-	 * are in sysfs.
-	 */
-	if (net_eq(net, &init_net)) {
-		ret = device_rename(&dev->dev, dev->name);
-		if (ret) {
-			memcpy(dev->name, oldname, IFNAMSIZ);
-			return ret;
-		}
+	ret = device_rename(&dev->dev, dev->name);
+	if (ret) {
+		memcpy(dev->name, oldname, IFNAMSIZ);
+		return ret;
 	}
 
 	write_lock_bh(&dev_base_lock);
@@ -5112,8 +5107,6 @@ int register_netdevice(struct net_device
 	if (dev->features & NETIF_F_SG)
 		dev->features |= NETIF_F_GSO;
 
-	netdev_initialize_kobject(dev);
-
 	ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
 	ret = notifier_to_errno(ret);
 	if (ret)
@@ -5634,15 +5627,6 @@ int dev_change_net_namespace(struct net_
 	if (dev->features & NETIF_F_NETNS_LOCAL)
 		goto out;
 
-#ifdef CONFIG_SYSFS
-	/* Don't allow real devices to be moved when sysfs
-	 * is enabled.
-	 */
-	err = -EINVAL;
-	if (dev->dev.parent)
-		goto out;
-#endif
-
 	/* Ensure the device has been registrered */
 	err = -EINVAL;
 	if (dev->reg_state != NETREG_REGISTERED)
@@ -5693,8 +5677,6 @@ int dev_change_net_namespace(struct net_
 	dev_unicast_flush(dev);
 	dev_addr_discard(dev);
 
-	netdev_unregister_kobject(dev);
-
 	/* Actually switch the network namespace */
 	dev_net_set(dev, net);
 
@@ -5707,7 +5689,7 @@ int dev_change_net_namespace(struct net_
 	}
 
 	/* Fixup kobjects */
-	err = netdev_register_kobject(dev);
+	err = device_rename(&dev->dev, dev->name);
 	WARN_ON(err);
 
 	/* Add the device back in the hashes */
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -508,9 +508,6 @@ static int netdev_uevent(struct device *
 	struct net_device *dev = to_net_dev(d);
 	int retval;
 
-	if (!net_eq(dev_net(dev), &init_net))
-		return 0;
-
 	/* pass interface to uevent. */
 	retval = add_uevent_var(env, "INTERFACE=%s", dev->name);
 	if (retval)
@@ -569,9 +566,6 @@ void netdev_unregister_kobject(struct ne
 
 	kobject_get(&dev->kobj);
 
-	if (!net_eq(dev_net(net), &init_net))
-		return;
-
 	device_del(dev);
 }
 
@@ -581,6 +575,7 @@ int netdev_register_kobject(struct net_d
 	struct device *dev = &(net->dev);
 	const struct attribute_group **groups = net->sysfs_groups;
 
+	device_initialize(dev);
 	dev->class = &net_class;
 	dev->platform_data = net;
 	dev->groups = groups;
@@ -603,9 +598,6 @@ int netdev_register_kobject(struct net_d
 #endif
 #endif /* CONFIG_SYSFS */
 
-	if (!net_eq(dev_net(net), &init_net))
-		return 0;
-
 	return device_add(dev);
 }
 
@@ -622,12 +614,6 @@ void netdev_class_remove_file(struct cla
 EXPORT_SYMBOL(netdev_class_create_file);
 EXPORT_SYMBOL(netdev_class_remove_file);
 
-void netdev_initialize_kobject(struct net_device *net)
-{
-	struct device *device = &(net->dev);
-	device_initialize(device);
-}
-
 int netdev_kobject_init(void)
 {
 	kobj_ns_type_register(&net_ns_type_operations);
--- a/net/core/net-sysfs.h
+++ b/net/core/net-sysfs.h
@@ -4,5 +4,4 @@
 int netdev_kobject_init(void);
 int netdev_register_kobject(struct net_device *);
 void netdev_unregister_kobject(struct net_device *);
-void netdev_initialize_kobject(struct net_device *);
 #endif