From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cong Wang <xiyou.wangcong@gmail.com>
Subject: Re: [patch net-next v10 02/13] net: sched: introduce shared filter
 blocks infrastructure
Date: Tue, 16 Jan 2018 16:03:15 -0800
Message-ID: <CAM_iQpV8Z_-8Tj0TJTi5QOhjtdngx0JtgArhGiCx_Se2v9CRGA@mail.gmail.com>
References: <20180116153316.4751-1-jiri@resnulli.us> <20180116153316.4751-3-jiri@resnulli.us>
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Cc: Linux Kernel Network Developers <netdev@vger.kernel.org>,
        David Miller <davem@davemloft.net>,
        Jamal Hadi Salim <jhs@mojatatu.com>, mlxsw@mellanox.com,
        andrew@lunn.ch,
        Vivien Didelot <vivien.didelot@savoirfairelinux.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        michael.chan@broadcom.com, ganeshgr@chelsio.com,
        Saeed Mahameed <saeedm@mellanox.com>, matanb@mellanox.com,
        leonro@mellanox.com, Ido Schimmel <idosch@mellanox.com>,
        Jakub Kicinski <jakub.kicinski@netronome.com>,
        Simon Horman <simon.horman@netronome.com>,
        Pieter Jansen van Vuuren
        <pieter.jansenvanvuuren@netronome.com>, john.hurley@netronome.com,
        Alexander Duyck <alexander.h.duyck@intel.com>,
        Or Gerlitz <ogerlitz@mellanox.com>,
        John Fastabend <john.fastabend@gmail.com>,
        Daniel Borkmann <daniel@iogearbo
To: Jiri Pirko <jiri@resnulli.us>
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On Tue, Jan 16, 2018 at 7:33 AM, Jiri Pirko <jiri@resnulli.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.