lifetime = ntohl(rinfo->lifetime);
if (lifetime == 0xffffffff) {
/* infinity */
- } else if (lifetime > 0x7fffffff/HZ) {
+ } else if (lifetime > 0x7fffffff/HZ - 1) {
/* Avoid arithmetic overflow */
lifetime = 0x7fffffff/HZ - 1;
}
}
rt->u.dst.obsolete = -1;
- rt->rt6i_expires = jiffies + clock_t_to_jiffies(cfg->fc_expires);
+ rt->rt6i_expires = (cfg->fc_flags & RTF_EXPIRES) ?
+ jiffies + clock_t_to_jiffies(cfg->fc_expires) :
+ 0;
if (cfg->fc_protocol == RTPROT_UNSPEC)
cfg->fc_protocol = RTPROT_BOOT;
}
}
- if (rt->u.dst.metrics[RTAX_HOPLIMIT-1] == 0)
+ if (dst_metric(&rt->u.dst, RTAX_HOPLIMIT) == 0)
rt->u.dst.metrics[RTAX_HOPLIMIT-1] = -1;
- if (!rt->u.dst.metrics[RTAX_MTU-1])
+ if (!dst_metric(&rt->u.dst, RTAX_MTU))
rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(dev);
- if (!rt->u.dst.metrics[RTAX_ADVMSS-1])
+ if (!dst_metric(&rt->u.dst, RTAX_ADVMSS))
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(net, dst_mtu(&rt->u.dst));
rt->u.dst.dev = dev;
rt->rt6i_idev = idev;
NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric);
- expires = rt->rt6i_expires ? rt->rt6i_expires - jiffies : 0;
+ expires = (rt->rt6i_flags & RTF_EXPIRES) ?
+ rt->rt6i_expires - jiffies : 0;
+
if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0,
expires, rt->u.dst.error) < 0)
goto nla_put_failure;