netdev - Re: [patch net-next v10 02/13] net: sched: introduce shared filter blocks infrastructure

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Message-ID: <CAM_iQpV8Z_-8Tj0TJTi5QOhjtdngx0JtgArhGiCx_Se2v9CRGA@mail.gmail.com>
Date:   Tue, 16 Jan 2018 16:03:15 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Jamal Hadi Salim <jhs@...atatu.com>, mlxsw@...lanox.com,
        andrew@...n.ch,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        michael.chan@...adcom.com, ganeshgr@...lsio.com,
        Saeed Mahameed <saeedm@...lanox.com>, matanb@...lanox.com,
        leonro@...lanox.com, Ido Schimmel <idosch@...lanox.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Simon Horman <simon.horman@...ronome.com>,
        Pieter Jansen van Vuuren 
        <pieter.jansenvanvuuren@...ronome.com>, john.hurley@...ronome.com,
        Alexander Duyck <alexander.h.duyck@...el.com>,
        Or Gerlitz <ogerlitz@...lanox.com>,
        John Fastabend <john.fastabend@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        David Ahern <dsahern@...il.com>
Subject: Re: [patch net-next v10 02/13] net: sched: introduce shared filter
 blocks infrastructure

On Tue, Jan 16, 2018 at 7:33 AM, Jiri Pirko <jiri@...nulli.us> wrote:
>  static int __init tc_filter_init(void)
>  {
> +       int err;
> +
>         tc_filter_wq = alloc_ordered_workqueue("tc_filter_workqueue", 0);
>         if (!tc_filter_wq)
>                 return -ENOMEM;
>
> +       err = register_pernet_subsys(&tcf_net_ops);
> +       if (err)
> +               return err;

Need to destroy the above workqueue on error.