netdev - Re: Linux 4.14-rc6 bisected regression tun devices not working anymore in openvpn

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Message-Id: <20171029.104212.699903120729091374.davem@davemloft.net>
Date:   Sun, 29 Oct 2017 10:42:12 +0900 (KST)
From:   David Miller <davem@...emloft.net>
To:     xiyou.wangcong@...il.com
Cc:     linux@...elenboom.it, torvalds@...ux-foundation.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Linux 4.14-rc6 bisected regression tun devices not working
 anymore in openvpn

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Sat, 28 Oct 2017 10:37:27 -0700

> On Sat, Oct 28, 2017 at 7:57 AM, Sander Eikelenboom
> <linux@...elenboom.it> wrote:
>> The offending commit is:
>>     0ad646c81b2182f7fa67ec0c8c825e0ee165696d
>>     "tun: call dev_get_valid_name() before register_netdevice()"
>>
>> Reverting this commit fixes the issue for me, it's unfortunate that the commit it self seems to fix an other issue.
> 
> It should be fixed by:
> 
> commit 5c25f65fd1e42685f7ccd80e0621829c105785d9
> Author: Julien Gomes <julien@...sta.com>
> Date:   Wed Oct 25 11:50:50 2017 -0700
> 
>     tun: allow positive return values on dev_get_valid_name() call

I made sure to queue this up for -stable since the offending commit is queued up
there as well.