Haishuang Yan 18e1173d5f ip6_tunnel: fix setting hop_limit value for ipv6 tunnel
Similar to vxlan/geneve tunnel, if hop_limit is zero, it should fall
back to ip6_dst_hoplimt().

Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-08 20:47:10 -07:00
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