Hi Vincent,
[auto build test WARNING on net-next/master]
url:
https://github.com/0day-ci/linux/commits/Vincent-Bernat/vxlan-fix-ND-proxy-when-skb-doesn-t-have-transport-header-offset/20170401-182312
config: x86_64-randconfig-v0-04020359 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8)
When an incoming frame is tagged or when GRO is disabled, the skb
handled to vxlan_xmit() doesn't contain a valid transport header
offset. This makes ND proxying fail.
We combine two changes: replace use of skb_transport_offset() and ensure
the necessary amount of skb is linear just before using i
