rti_genmask
rtinfo->rti_genmask = rt->rt_genmask;
rtinfo->rti_genmask = rt->rt_genmask; /* might be NULL */
if (rtinfo.rti_genmask != NULL) {
error = rtmask_add_global(rtinfo.rti_genmask,
if (rtinfo->rti_genmask != NULL) {
rt->rt_genmask = rtmask_purelookup(rtinfo->rti_genmask);
if (rtinfo->rti_genmask != NULL) {
rt->rt_genmask = rtmask_purelookup(rtinfo->rti_genmask);