Re: [PATCH] ipv6: Initialize ip6_tnl.hlen in gre tunnel even if no route is found

[Hannes Frederic Sowa]

On Thu, Oct 10, 2013 at 06:50:27PM +0100, Oussama Ghorbel wrote:
> The ip6_tnl.hlen (gre and ipv6 headers length) is independent from the
> outgoing interface, so it would be better to initialize it even when no
> route is found, otherwise its value will be zero.
> While I'm not sure if this could happen in real life, but doing that
> will avoid to call the skb_push function with a zero in ip6gre_header
> function.
> 
> Suggested-by: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Oussama Ghorbel <ou.ghorbel@xxxxxxxxx>

Acked-by: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>

Thanks,

  Hannes

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