netdev - Re: [PATCH net-next v2] net: sched: action_ife: take reference to meta module

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Message-ID: <CAM_iQpXoY8gUFejhiEvHEF8HgeJmv00dbBZxd5=7v2sD3HmcRQ@mail.gmail.com>
Date:   Tue, 4 Sep 2018 11:32:49 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Vlad Buslov <vladbu@...lanox.com>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Jiri Pirko <jiri@...nulli.us>,
        David Miller <davem@...emloft.net>
Subject: Re: [PATCH net-next v2] net: sched: action_ife: take reference to
 meta module

On Mon, Sep 3, 2018 at 2:44 PM Vlad Buslov <vladbu@...lanox.com> wrote:
>
> Recent refactoring of add_metainfo() caused use_all_metadata() to add
> metainfo to ife action metalist without taking reference to module. This
> causes warning in module_put called from ife action cleanup function.
>
> Implement add_metainfo_and_get_ops() function that returns with reference
> to module taken if metainfo was added successfully, and call it from
> use_all_metadata(), instead of calling __add_metainfo() directly.


Acked-by: Cong Wang <xiyou.wangcong@...il.com>

This one should go to -net too.