480 	u8 tproto;  in ip6_tnl_err()  local
492 	tproto = READ_ONCE(t->parms.proto);  in ip6_tnl_err()
493 	if (tproto != ipproto && tproto != 0)  in ip6_tnl_err()
893 		u8 tproto = READ_ONCE(t->parms.proto);  in ipxip6_rcv()  local
895 		if (tproto != ipproto && tproto != 0)  in ipxip6_rcv()
1238 	u8 tproto;  in ip4ip6_tnl_xmit()  local
1244 	tproto = READ_ONCE(t->parms.proto);  in ip4ip6_tnl_xmit()
1245 	if (tproto != IPPROTO_IPIP && tproto != 0)  in ip4ip6_tnl_xmit()
1311 	u8 tproto;  in ip6ip6_tnl_xmit()  local
1315 	tproto = READ_ONCE(t->parms.proto);  in ip6ip6_tnl_xmit()
1316 	if ((tproto != IPPROTO_IPV6 && tproto != 0) ||  in ip6ip6_tnl_xmit()