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

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Message-ID: <4AFD0707.50207@trash.net>
Date:	Fri, 13 Nov 2009 08:13:11 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	xiaosuo@...il.com
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

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.
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