[stable 3.13.y] request to include c3caf119

[Kamal Mostafa]

On Tue, 2014-10-07 at 15:39 -0500, Chris J Arges wrote:
> commit c3caf1192f904de2f1381211f564537235d50de3
> Author: Jerry Chu <hkchu at google.com>
> Date:   Mon Jul 14 15:54:46 2014 -0700
> 
>     net-gre-gro: Fix a bug that breaks the forwarding path
> 
>     Fixed a bug that was introduced by my GRE-GRO patch
>     (bf5a755f5e9186406bbf50f4087100af5bd68e40 net-gre-gro: Add GRE
>     support to the GRO stack) that breaks the forwarding path
>     because various GSO related fields were not set. The bug will
>     cause on the egress path either the GSO code to fail, or a
>     GRE-TSO capable (NETIF_F_GSO_GRE) NICs to choke. The following
>     fix has been tested for both cases.
> 
> This was already queued for 3.14:
> https://lkml.org/lkml/2014/7/26/337
> 
> This applies cleanly and I've done a test build on amd64.


[Recapping irc discussion:]

This commit c3caf119 isn't applicable to 3.13-stable, because
3.13-stable doesn't contain the feature added by "bf5a755 net-gre-gro:
Add GRE support to the GRO stack".

Ubuntu trusty does contain that though, so trusty does need c3caf119.
Arges will SRU it.

 -Kamal