netdev - Re: [PATCH net-next 2/2] tun: Add ioctl() SIOCGSKNS cmd to allow obtaining net ns of tun device

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Message-ID: <7683e647-ffc4-115c-c045-30187849abb6@virtuozzo.com>
Date:   Wed, 14 Feb 2018 16:21:12 +0300
From:   Kirill Tkhai <ktkhai@...tuozzo.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, davem@...emloft.net, jasowang@...hat.com,
        edumazet@...gle.com, xiyou.wangcong@...il.com, willemb@...gle.com,
        peterpenkov96@...il.com, Linyu.Yuan@...atel-sbell.com.cn,
        kstewart@...uxfoundation.org, aviadye@...lanox.com,
        gregkh@...uxfoundation.org, davejwatson@...com,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next 2/2] tun: Add ioctl() SIOCGSKNS cmd to allow
 obtaining net ns of tun device

On 14.02.2018 15:27, kbuild test robot wrote:
> Hi Kirill,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on net-next/master]
> 
> url:    https://github.com/0day-ci/linux/commits/Kirill-Tkhai/net-Make-extern-and-export-get_net_ns/20180214-183342
> config: x86_64-lkp (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All errors (new ones prefixed by >>):
> 
>>> ERROR: "open_related_ns" [drivers/net/tun.ko] undefined!

Thanks for reporting this. open_related_ns() also has to be exported.

I'll send v2 of the patchset.

Kirill