ip6_tunnel: fix setting hop_limit value for ipv6 tunnel
authorHaishuang Yan <yanhaishuang@cmss.chinamobile.com>
Thu, 7 Sep 2017 06:08:35 +0000 (14:08 +0800)
committerDavid S. Miller <davem@davemloft.net>
Sat, 9 Sep 2017 03:47:10 +0000 (20:47 -0700)
commit18e1173d5f3615c8c2680853ba87830ad8a0febc
treeb73c88cfa2082645a7f056e9603469bc0f96cb11
parent0f693f1995cf002432b70f43ce73f79bf8d0b6c9
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>
net/ipv6/ip6_tunnel.c