From: Jiri Benc <[email protected]>
Date: Tue, 3 May 2016 15:00:21 +0200
> It's easier for gre_parse_header to return the header length instead of
> filing it into a parameter. That way, the callers that don't care about the
> header length can just check whether the returned value is lower than zero.
>
> In gre_err, the tunnel header must not be pulled. See commit b7f8fe251e46
> ("gre: do not pull header in ICMP error processing") for details.
>
> This patch reduces the conflict between the mentioned commit and commit
> 95f5c64c3c13 ("gre: Move utility functions to common headers").
>
> Signed-off-by: Jiri Benc <[email protected]>
Applied.
