237 	if (itn->fb_tunnel_dev && itn->fb_tunnel_dev->flags & IFF_UP)  in ip_tunnel_lookup()
238 		return netdev_priv(itn->fb_tunnel_dev);  in ip_tunnel_lookup()
416 	BUG_ON(!itn->fb_tunnel_dev);  in ip_tunnel_create()
417 	dev = __ip_tunnel_create(net, itn->fb_tunnel_dev->rtnl_link_ops, parms);  in ip_tunnel_create()
855 	BUG_ON(!itn->fb_tunnel_dev);  in ip_tunnel_ioctl()
858 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
859 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
880 		t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
892 		if (dev != itn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {  in ip_tunnel_ioctl()
928 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
930 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
934 			if (t == netdev_priv(itn->fb_tunnel_dev))  in ip_tunnel_ioctl()
995 	if (itn->fb_tunnel_dev != dev) {  in ip_tunnel_dellink()
1029 		itn->fb_tunnel_dev = NULL;  in ip_tunnel_init_net()
1038 	itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);  in ip_tunnel_init_net()
1042 	if (!IS_ERR(itn->fb_tunnel_dev)) {  in ip_tunnel_init_net()
1043 		itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;  in ip_tunnel_init_net()
1044 		itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1045 		ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));  in ip_tunnel_init_net()
1049 	return PTR_ERR_OR_ZERO(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1056 	struct net *net = dev_net(itn->fb_tunnel_dev);  in ip_tunnel_destroy()
1136 	if (dev == itn->fb_tunnel_dev)  in ip_tunnel_changelink()
1212 	if (itn->fb_tunnel_dev != dev)  in ip_tunnel_uninit()