- s = session_lookup4 (fib_index, &lcl.ip4, &rmt.ip4,
- clib_host_to_net_u16 (lcl_port),
- clib_host_to_net_u16 (rmt_port), proto);
+ s = session_lookup_safe4 (fib_index, &lcl.ip4, &rmt.ip4,
+ clib_host_to_net_u16 (lcl_port),
+ clib_host_to_net_u16 (rmt_port), proto);