netdev - Re: [PATCH] ipv4: Create and use fib_compute_spec

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Message-ID: <1341475821.2583.3362.camel@edumazet-glaptop>
Date:	Thu, 05 Jul 2012 10:10:21 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	ja@....bg, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv4: Create and use fib_compute_spec_dst() helper.

On Thu, 2012-07-05 at 00:59 -0700, David Miller wrote:

> Yes, this is a great idea.  Actually in some obscure cases your
> change can cause us to compute it more than once I think.
> 
> I'd suggest we do something like create a helper function above this
> code in ip_options.c that checks whether spec_dst is INADDR_ANY or
> not, to guard computing it multiple times.
> 
> Could you put together a quick patch like that?

Sure I'll do that.

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