netdev - Re: [PATCH] act_mirred: cleanup and optimization

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Message-ID: <412e6f7f0911122322w754f5686jac6c93d39fccab46@mail.gmail.com>
Date:	Fri, 13 Nov 2009 15:22:08 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Jamal Hadi Salim <hadi@...erus.ca>,
	Stephen Hemminger <shemminger@...tta.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] act_mirred: cleanup and optimization

On Fri, Nov 13, 2009 at 3:13 PM, Patrick McHardy <kaber@...sh.net> wrote:
> Changli Gao wrote:
>> act_mirred: cleanup and optimization.
>>
>> cleanup and optimization.
>> 1. don't let go back using goto.
>> 2. move checking if eaction is valid in tcf_mirred_init().
>> 3. don't call skb_act_clone() until it is necessary.
>> 4. one exit of the critical context.
>> 5. allow eaction is TCA_INGRESS_MIRROR & TCA_INGRESS_REDIR.
>>
>
>>       if (parm->ifindex) {
>> -             dev = __dev_get_by_index(&init_net, parm->ifindex);
>> +             dev = dev_get_by_index(&init_net, parm->ifindex);
>>               if (dev == NULL)
>>                       return -ENODEV;
>
> This change is not mentioned in the changelog and introduces a
> leak. Please split your patches into reasonable portions doing
> one change at a time.
>

Leak? Do I forget to put it some where? I'll keep it as a whole until
Jamal thinks it is in the right form and direction.


-- 
Regards，
Changli Gao(xiaosuo@...il.com)
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