linux-kernel - Re: [PATCH 5.4 020/141] ip6_vti: proper dev_{hold|put} in ndo

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Date:   Thu, 20 May 2021 10:31:20 +0200
From:   "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
To:     "Rantala, Tommi T. (Nokia - FI/Espoo)" <tommi.t.rantala@...ia.com>
Cc:     "sashal@...nel.org" <sashal@...nel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>
Subject: Re: [PATCH 5.4 020/141] ip6_vti: proper dev_{hold|put} in
 ndo_[un]init methods

On Thu, May 20, 2021 at 07:55:49AM +0000, Rantala, Tommi T. (Nokia - FI/Espoo) wrote:
> > I do not understand, what needs to be done here?
> 
> Sorry, email formatting got somehow messed up.
> 
> Please cherry-pick this to 5.4.y:
> 
>   commit 0d7a7b2014b1a499a0fe24c9f3063d7856b5aaaf
>   Author: Eric Dumazet <edumazet@...gle.com>
>   Date:   Wed Mar 31 14:38:11 2021 -0700
> 
>     ipv6: remove extra dev_hold() for fallback tunnels
>     
> 
> And these:
> 
>     Fixes: 48bb5697269a ("ip6_tunnel: sit: proper dev_{hold|put} in
> ndo_[un]init methods")
>     Fixes: 6289a98f0817 ("sit: proper dev_{hold|put} in ndo_[un]init
> methods")
>     Fixes: 7f700334be9a ("ip6_gre: proper dev_{hold|put} in ndo_[un]init
> methods")

Ah, that makes sense.  Tricky as the "Fixes:" tag for those other
commits were not backported because they pointed to a feature added to
debug these issues :)

now queued up.

greg k-h