164 	ndev = READ_ONCE(itn->fb_tunnel_dev);  in ip_tunnel_lookup()
904 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ctl()
905 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ctl()
938 		if (dev != itn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {  in ip_tunnel_ctl()
974 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ctl()
976 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ctl()
980 			if (t == netdev_priv(itn->fb_tunnel_dev))  in ip_tunnel_ctl()
1099 	if (itn->fb_tunnel_dev != dev) {  in ip_tunnel_dellink()
1138 		itn->fb_tunnel_dev = NULL;  in ip_tunnel_init_net()
1147 	itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);  in ip_tunnel_init_net()
1151 	if (!IS_ERR(itn->fb_tunnel_dev)) {  in ip_tunnel_init_net()
1152 		itn->fb_tunnel_dev->netns_immutable = true;  in ip_tunnel_init_net()
1153 		itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1154 		ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));  in ip_tunnel_init_net()
1155 		itn->type = itn->fb_tunnel_dev->type;  in ip_tunnel_init_net()
1159 	return PTR_ERR_OR_ZERO(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1254 	if (dev == itn->fb_tunnel_dev)  in ip_tunnel_changelink()
1323 	if (itn->fb_tunnel_dev == dev)  in ip_tunnel_uninit()
1324 		WRITE_ONCE(itn->fb_tunnel_dev, NULL);  in ip_tunnel_uninit()