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From: David Miller <davem@davemloft.net>
Subject: Re: [RFC RTNETLINK 02/09]: ifindex 0 does not exist
Date: Tue, 05 Jun 2007 12:40:42 -0700 (PDT)
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From: Patrick McHardy <kaber@trash.net>
Date: Tue,  5 Jun 2007 16:12:54 +0200 (MEST)

> [RTNETLINK]: ifindex 0 does not exist
> 
> ifindex == 0 does not exist and implies we should do a lookup by name if
> one was given.
> 
> Signed-off-by: Patrick McHardy <kaber@trash.net>

This one is also more like a bug fix, thus applied.

I thought for a moment that perhaps we should signal an
error on ifindex==0 but I think this behavior you choose
makes more sense.