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Date:   Mon, 18 Feb 2019 21:26:57 -0800
From:   Cong Wang <>
To:     Vlad Buslov <>
Cc:     Ido Schimmel <>,
        "" <>,
        "" <>,
        "" <>,
        "" <>,
        "" <>,
        "" <>
Subject: Re: [PATCH net-next v4 07/17] net: sched: protect filter_chain list
 with filter_chain_lock mutex

On Fri, Feb 15, 2019 at 7:35 AM Vlad Buslov <> wrote:
> Another problem that I found in cls_fw and cls_route is that they set
> arg->stop when empty. Both of them have code unchanged since it was
> committed initially in 2005 so I assume this convention is no longer
> relevant because all other classifiers don't do that (they only set
> arg->stop when arg->fn returns negative value).

The question is why do you want to use arg->stop==0 as
an indication for emptiness? Isn't what arg->count==0
supposed to be?

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