linux-kernel - Re: [PATCH 1/3] net: fix a new kernel-doc warning at dev.c

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Date:   Tue, 22 Sep 2020 10:48:23 -0700
From:   Francesco Ruggeri <fruggeri@...sta.com>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jonathan Corbet <corbet@....net>,
        Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andriin@...com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Jiri Pirko <jiri@...lanox.com>,
        Taehee Yoo <ap420073@...il.com>,
        open list <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/3] net: fix a new kernel-doc warning at dev.c

On Tue, Sep 22, 2020 at 4:22 AM Mauro Carvalho Chehab
<mchehab+huawei@...nel.org> wrote:
>
> kernel-doc expects the function prototype to be just after
> the kernel-doc markup, as otherwise it will get it all wrong:
>
>         ./net/core/dev.c:10036: warning: Excess function parameter 'dev' description in 'WAIT_REFS_MIN_MSECS'
>
> Fixes: 0e4be9e57e8c ("net: use exponential backoff in netdev_wait_allrefs")
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  net/core/dev.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/net/core/dev.c b/net/core/dev.c
> index a268ff35ad38..873b50ac9668 100644
> --- a/net/core/dev.c
> +++ b/net/core/dev.c
> @@ -10021,6 +10021,8 @@ int netdev_refcnt_read(const struct net_device *dev)
>  }
>  EXPORT_SYMBOL(netdev_refcnt_read);
>
> +#define WAIT_REFS_MIN_MSECS 1
> +#define WAIT_REFS_MAX_MSECS 250
>  /**
>   * netdev_wait_allrefs - wait until all references are gone.
>   * @dev: target net_device
> @@ -10033,8 +10035,6 @@ EXPORT_SYMBOL(netdev_refcnt_read);
>   * We can get stuck here if buggy protocols don't correctly
>   * call dev_put.
>   */
> -#define WAIT_REFS_MIN_MSECS 1
> -#define WAIT_REFS_MAX_MSECS 250
>  static void netdev_wait_allrefs(struct net_device *dev)
>  {
>         unsigned long rebroadcast_time, warning_time;
> --
> 2.26.2
>