netdev - Re: [PATCH RFC, iproute2] tc/mirred: Extend the mirred/redirect action to accept additional traffic class parameter

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Date:   Mon, 31 Jul 2017 20:51:33 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Amritha Nambiar <amritha.nambiar@...el.com>
Cc:     netdev@...r.kernel.org, alexander.h.duyck@...el.com,
        kiran.patil@...el.com, sridhar.samudrala@...el.com,
        mitch.a.williams@...el.com, alexander.duyck@...il.com,
        neerav.parikh@...el.com, carolyn.wyborny@...el.com,
        jeffrey.t.kirsher@...el.com
Subject: Re: [PATCH RFC, iproute2] tc/mirred: Extend the mirred/redirect
 action to accept additional traffic class parameter

On Mon, 31 Jul 2017 17:40:50 -0700
Amritha Nambiar <amritha.nambiar@...el.com> wrote:
The concept is fine, bu t the code looks different than the rest which
is never a good sign.


> +				if ((argc > 0) && (matches(*argv, "tc") == 0)) {

Extra () are unnecessary in compound conditional.

> +					tc = atoi(*argv);

Prefer using strtoul since it has better error handling than atoi()

> +					argc--;
> +					argv++;
> +				}


Use NEXT_ARG() construct like rest of the code.