finalize_nhop
*perror = finalize_nhop(rnh->nh_control, nh, true);
return (finalize_nhop(rnh->nh_control, nh, false));
static int finalize_nhop(struct nh_control *ctl, struct nhop_object *nh, bool link);
*pnh = finalize_nhop(nh, attrs->rta_dst, &error);
nh = finalize_nhop(nh, attrs->rta_dst, perror);