tree b73c88cfa2082645a7f056e9603469bc0f96cb11
parent 0f693f1995cf002432b70f43ce73f79bf8d0b6c9
author Haishuang Yan <yanhaishuang@cmss.chinamobile.com> 1504764515 +0800
committer David S. Miller <davem@davemloft.net> 1504928830 -0700

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>