For reference these are the upstream SHA1 references:
0d7a7b2014b1 ipv6: remove extra dev_hold() for fallback tunnels 48bb5697269a ip6_tunnel: sit: proper dev_{hold|put} in ndo_[un]init methods 6289a98f0817 sit: proper dev_{hold|put} in ndo_[un]init methods 7f700334be9a ip6_gre: proper dev_{hold|put} in ndo_[un]init methods
For reference these are the upstream SHA1 references:
0d7a7b2014b1 ipv6: remove extra dev_hold() for fallback tunnels
48bb5697269a ip6_tunnel: sit: proper dev_{hold|put} in ndo_[un]init methods
6289a98f0817 sit: proper dev_{hold|put} in ndo_[un]init methods
7f700334be9a ip6_gre: proper dev_{hold|put} in ndo_[un]init methods