netdev - Re: [PATCH] ipv6: remove the unnecessary statement in find

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Message-ID: <20131030094412.GA24479@order.stressinduktion.org>
Date:	Wed, 30 Oct 2013 10:44:12 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Duan Jiong <duanj.fnst@...fujitsu.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6: remove the unnecessary statement in find_match()

On Wed, Oct 30, 2013 at 03:39:26PM +0800, Duan Jiong wrote:
> 
> After reading the function rt6_check_neigh(), we can
> know that the RT6_NUD_FAIL_SOFT can be returned only
> when the IS_ENABLE(CONFIG_IPV6_ROUTER_PREF) is false.
> so in function find_match(), there is no need to execute
> the statement !IS_ENABLED(CONFIG_IPV6_ROUTER_PREF).

It should be constant folded away. But I agree, we can remove this:

Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Thanks,

  Hannes

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