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authorLi RongQing <roy.qing.li@gmail.com>2012-10-24 14:01:18 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-17 13:14:24 -0800
commitdb138ef294594d3721dae6409d9e13d6ebf3df39 (patch)
tree8e27ec2e32667c632c30ab45139ccede07d05c26 /net
parent3297d60d4ebc83a4dc6c44abad18d181c6680b9e (diff)
ipv6: Set default hoplimit as zero.
[ Upstream commit 14edd87dc67311556f1254a8f29cf4dd6cb5b7d1 ] 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>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/route.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 917256826f84..da056c8917ed 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -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);