81 	struct net_device *real_dev = vlan->real_dev;  in unregister_vlan_dev()  local
88 	vlan_info = rtnl_dereference(real_dev->vlan_info);  in unregister_vlan_dev()
102 	netdev_upper_dev_unlink(real_dev, dev);  in unregister_vlan_dev()
110 		vlan_mvrp_uninit_applicant(real_dev);  in unregister_vlan_dev()
111 		vlan_gvrp_uninit_applicant(real_dev);  in unregister_vlan_dev()
114 	vlan_vid_del(real_dev, vlan->vlan_proto, vlan_id);  in unregister_vlan_dev()
117 	dev_put(real_dev);  in unregister_vlan_dev()
120 int vlan_check_real_dev(struct net_device *real_dev,  in vlan_check_real_dev()  argument
124 	const char *name = real_dev->name;  in vlan_check_real_dev()
126 	if (real_dev->features & NETIF_F_VLAN_CHALLENGED) {  in vlan_check_real_dev()
132 	if (vlan_find_dev(real_dev, protocol, vlan_id) != NULL) {  in vlan_check_real_dev()
143 	struct net_device *real_dev = vlan->real_dev;  in register_vlan_dev()  local
149 	err = vlan_vid_add(real_dev, vlan->vlan_proto, vlan_id);  in register_vlan_dev()
153 	vlan_info = rtnl_dereference(real_dev->vlan_info);  in register_vlan_dev()
159 		err = vlan_gvrp_init_applicant(real_dev);  in register_vlan_dev()
162 		err = vlan_mvrp_init_applicant(real_dev);  in register_vlan_dev()
171 	vlan->nest_level = dev_get_nest_level(real_dev) + 1;  in register_vlan_dev()
176 	err = netdev_upper_dev_link(real_dev, dev, extack);  in register_vlan_dev()
181 	dev_hold(real_dev);  in register_vlan_dev()
183 	netif_stacked_transfer_operstate(real_dev, dev);  in register_vlan_dev()
198 		vlan_mvrp_uninit_applicant(real_dev);  in register_vlan_dev()
201 		vlan_gvrp_uninit_applicant(real_dev);  in register_vlan_dev()
203 	vlan_vid_del(real_dev, vlan->vlan_proto, vlan_id);  in register_vlan_dev()
210 static int register_vlan_device(struct net_device *real_dev, u16 vlan_id)  in register_vlan_device()  argument
214 	struct net *net = dev_net(real_dev);  in register_vlan_device()
222 	err = vlan_check_real_dev(real_dev, htons(ETH_P_8021Q), vlan_id,  in register_vlan_device()
231 		snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id);  in register_vlan_device()
243 		snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id);  in register_vlan_device()
263 	new_dev->mtu = real_dev->mtu;  in register_vlan_device()
268 	vlan->real_dev = real_dev;  in register_vlan_device()
332 	vlandev->priv_flags |= (vlan->real_dev->priv_flags & IFF_XMIT_DST_RELEASE);  in vlan_transfer_features()