netdev - Re: [PATCH net-next] ipv6: trival improvements

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Date:	Fri, 20 Dec 2013 09:01:22 +0800
From:	RongQing Li <roy.qing.li@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] ipv6: trival improvements

On Fri, Dec 20, 2013 at 3:45 AM, David Miller <davem@...emloft.net> wrote:
> From: roy.qing.li@...il.com
> Date: Thu, 19 Dec 2013 14:18:52 +0800
>
>> From: Li RongQing <roy.qing.li@...il.com>
>>
>> 1. remove the unnecessary setting rt.rt6i_metric to 0 since memset() has clear
>> them.
>> 2. call ip6_rt_put to release rt only when rt is not null in addrconf_prefix_rcv.
>>
>> Signed-off-by: Li RongQing <roy.qing.li@...il.com>
>
> ip6_rt_put() transparently handles NULL just fine, don't special
> case it like this.

Yes, ip6_rt_put() can handles NULL, but this change can free cpu to do judgement
one time if rt is NULL.

Thanks

-Roy
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