233 	if (itn->fb_tunnel_dev && itn->fb_tunnel_dev->flags & IFF_UP)  in ip_tunnel_lookup()
234 		return netdev_priv(itn->fb_tunnel_dev);  in ip_tunnel_lookup()
409 	BUG_ON(!itn->fb_tunnel_dev);  in ip_tunnel_create()
410 	dev = __ip_tunnel_create(net, itn->fb_tunnel_dev->rtnl_link_ops, parms);  in ip_tunnel_create()
843 	BUG_ON(!itn->fb_tunnel_dev);  in ip_tunnel_ioctl()
846 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
847 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
868 		t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
880 		if (dev != itn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {  in ip_tunnel_ioctl()
916 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
918 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
922 			if (t == netdev_priv(itn->fb_tunnel_dev))  in ip_tunnel_ioctl()
969 	if (itn->fb_tunnel_dev != dev) {  in ip_tunnel_dellink()
1003 		itn->fb_tunnel_dev = NULL;  in ip_tunnel_init_net()
1012 	itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);  in ip_tunnel_init_net()
1016 	if (!IS_ERR(itn->fb_tunnel_dev)) {  in ip_tunnel_init_net()
1017 		itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;  in ip_tunnel_init_net()
1018 		itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1019 		ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));  in ip_tunnel_init_net()
1023 	return PTR_ERR_OR_ZERO(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1030 	struct net *net = dev_net(itn->fb_tunnel_dev);  in ip_tunnel_destroy()
1106 	if (dev == itn->fb_tunnel_dev)  in ip_tunnel_changelink()
1178 	if (itn->fb_tunnel_dev != dev)  in ip_tunnel_uninit()