- {
- if (rv != SESSION_E_PORTINUSE)
- return rv;
-
- if (udp_connection_port_used_extern (lcl_port, rmt->is_ip4))
- return SESSION_E_PORTINUSE;
-
- /* If port in use, check if 5-tuple is also in use */
- if (session_lookup_connection (rmt->fib_index, &lcl_addr, &rmt->ip,
- lcl_port, rmt->port, TRANSPORT_PROTO_UDP,
- rmt->is_ip4))
- return SESSION_E_PORTINUSE;
-
- /* 5-tuple is available so increase lcl endpoint refcount and proceed
- * with connection allocation */
- transport_share_local_endpoint (TRANSPORT_PROTO_UDP, &lcl_addr,
- lcl_port);
- goto conn_alloc;
- }