Re: [PATCH 5/5] net: Loopback ifindex is constant now

[Eric Dumazet <eric.dumazet@xxxxxxxxx>]

On Mon, 2012-08-06 at 14:32 +0400, Pavel Emelyanov wrote:
> As pointed out, there are places, that access net->loopback_dev->ifindex
> and after ifindex generation is made per-net this value becomes constant
> equals 1. So go ahead and introduce the LOOPBACK_IFINDEX constant and use
> it where appropriate.
> 
> Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>

What guarantee do we have that loopback is the first device per net ?

You should add this to the changelog because its not that obvious.



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