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ipv6: Set default hoplimit as zero.

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[ Upstream commit 14edd87dc6 ]

Commit a02e4b7dae4551(Demark default hoplimit as zero) only changes the
hoplimit checking condition and default value in ip6_dst_hoplimit, not
zeros all hoplimit default value.

Keep the zeroing ip6_template_metrics[RTAX_HOPLIMIT - 1] to force it as
const, cause as a37e6e344910(net: force dst_default_metrics to const
section)

Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Li RongQing
2012-10-24 14:01:18 +08:00
committed by Greg Kroah-Hartman
parent 3297d60d4e
commit db138ef294
1 changed files with 2 additions and 2 deletions
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4
net/ipv6/route.c
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@@ -171,7 +171,7 @@ static struct dst_ops ip6_dst_blackhole_ops = {
};
static const u32 ip6_template_metrics[RTAX_MAX] = {
[RTAX_HOPLIMIT - 1] = 255,
[RTAX_HOPLIMIT - 1] = 0,
};
static struct rt6_info ip6_null_entry_template = {
@@ -1068,7 +1068,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
rt->rt6i_idev = idev;
dst_set_neighbour(&rt->dst, neigh);
atomic_set(&rt->dst.__refcnt, 1);
dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 0);
rt->dst.output = ip6_output;
spin_lock_bh(&icmp6_dst_lock);