netdev - Re: [PATCH iproute2] tc: police: fix control action parsing

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Message-ID: <19219c79-a2f0-6091-4530-598c1cf9c1b2@redhat.com>
Date:   Tue, 28 Nov 2017 13:57:33 +0100
From:   Michal Privoznik <mprivozn@...hat.com>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org, jiri@...lanox.com
Subject: Re: [PATCH iproute2] tc: police: fix control action parsing

On 11/27/2017 09:32 PM, Stephen Hemminger wrote:
> On Mon, 27 Nov 2017 19:00:14 +0100
> Michal Privoznik <mprivozn@...hat.com> wrote:
> 
>> parse_action_control helper does advancing of the arg inside. So don't
>> do it outside.
>>
>> Fixes: e67aba559581 ("tc: actions: add helpers to parse and print control actions")
>> Signed-off-by: Michal Privoznik <mprivozn@...hat.com>
> 
> The helpers are not helping here.
> Adding another layer of indirection on moving argc/argv then causing caller
> to have to keep track is bad design.
> 
> Also since pars_action_control_slash is only used by police, why was it
> moved into tc_util in the first place? I would prefer just to rip out that
> bit and put it back in policer.
> 

I'm not the author of that function so I'll let Jiri to answer that.

Michal