netdev - Re: [PATCH net-next 4/5] ipv6: enable IFA_IF_NETNSID for RTM

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Message-ID: <20180903011829.t3yzsomjvcjwxakz@mailbox.org>
Date:   Mon, 3 Sep 2018 03:18:32 +0200
From:   Christian Brauner <christian@...uner.io>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, davem@...emloft.net,
        kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        pombredanne@...b.com, kstewart@...uxfoundation.org,
        gregkh@...uxfoundation.org, dsahern@...il.com, fw@...len.de,
        ktkhai@...tuozzo.com, lucien.xin@...il.com,
        jakub.kicinski@...ronome.com, jbenc@...hat.com,
        nicolas.dichtel@...nd.com
Subject: Re: [PATCH net-next 4/5] ipv6: enable IFA_IF_NETNSID for RTM_GETADDR

On Fri, Aug 31, 2018 at 02:41:45AM +0800, kbuild test robot wrote:
> Hi Christian,
> 
> 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/Christian-Brauner/rtnetlink-add-IFA_IF_NETNSID-for-RTM_GETADDR/20180830-194411
> config: x86_64-randconfig-s1-08302022 (attached as .config)
> compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All errors (new ones prefixed by >>):
> 
> >> ERROR: "rtnl_get_net_ns_capable" [net/ipv6/ipv6.ko] undefined!

Fwiw, this is triggered when ipv6 is built as a module. The first
version of my patch did not take that into account and left
rtnl_get_net_ns_capable() unexported. The second version will export
that function and fix this issue.

Christian