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

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Date:	Wed, 30 Oct 2013 17:08:37 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	duanj.fnst@...fujitsu.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6: remove the unnecessary statement in find_match()

From: Duan Jiong <duanj.fnst@...fujitsu.com>
Date: Wed, 30 Oct 2013 15:39:26 +0800

> 
> 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).
> 
> Signed-off-by: Duan Jiong <duanj.fnst@...fujitsu.com>

Applied to net-next, thanks.

CONFIG_IPV6_ROUTER_PREF is another good candidate for Kconfig
removal.  I know we've had several bugs that only apply when
this option is on vs. off.  We're maintaining two different
code paths, for really no good reason.

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