From: Eli Cooper <elicoo...@gmx.com>
Date: Tue, 1 Nov 2016 23:45:13 +0800
> Some IPCB fields are currently set in udp_tunnel6_xmit_skb(), which are
> never used before it reaches ip6tunnel_xmit(), and past that point the
> control buffer is no longer interpreted as IPCB.
>
> This clears these unused IPCB related codes. Currently there is no skb
> scrubbing in ip6_udp_tunnel, otherwise IPCB(skb)->opt might need to be
> cleared for IPv4 packets, as shown in 5146d1f1511
> ("tunnel: Clear IPCB(skb)->opt before dst_link_failure called").
>
> Signed-off-by: Eli Cooper <elicoo...@gmx.com>
Applied.
