ipv6: Demark default hoplimit as zero.
This is for consistency with ipv4. Using "-1" makes
no sense.
It was made this way a long time ago merely to be consistent
with how the ipv6 socket hoplimit "default" is stored.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index d9405d1..98796b0 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1105,7 +1105,7 @@
int ip6_dst_hoplimit(struct dst_entry *dst)
{
int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT);
- if (hoplimit < 0) {
+ if (hoplimit == 0) {
struct net_device *dev = dst->dev;
struct inet6_dev *idev;
@@ -1310,8 +1310,6 @@
}
}
- if (dst_metric_raw(&rt->dst, RTAX_HOPLIMIT) == 0)
- dst_metric_set(&rt->dst, RTAX_HOPLIMIT, -1);
if (!dst_mtu(&rt->dst))
dst_metric_set(&rt->dst, RTAX_MTU, ipv6_get_mtu(dev));
if (!dst_metric(&rt->dst, RTAX_ADVMSS))
