return (error ? error
: list_is_empty(&rules) ? add_flow(ofproto, ofconn, fm, request)
: modify_flows__(ofproto, ofconn, fm, request, &rules));
return (error ? error
: list_is_empty(&rules) ? add_flow(ofproto, ofconn, fm, request)
: modify_flows__(ofproto, ofconn, fm, request, &rules));