netdev - Re: [PATCH] netfilter: nfnetlink_queue: Unregister pernet subsys in case of init failure

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Message-ID: <20151207131746.GA27860@salvia>
Date:	Mon, 7 Dec 2015 14:17:46 +0100
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Nikolay Borisov <kernel@...p.com>
Cc:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	fruggeri@...sta.com, kadlec@...ckhole.kfki.hu,
	netfilter-devel@...r.kernel.org, coreteam@...filter.org,
	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH] netfilter: nfnetlink_queue: Unregister pernet subsys in
 case of init failure

On Mon, Dec 07, 2015 at 02:58:44PM +0200, Nikolay Borisov wrote:
> 
> 
> On 12/07/2015 02:29 PM, Sergei Shtylyov wrote:
> > Hello.
> > 
> > On 12/07/2015 01:13 PM, Nikolay Borisov wrote:
> > 
> >> Commit 3bfe049807c2403 ('netfilter: nfnetlink_{log,queue}:
> > 
> >    Double quotes please, that's what scripts/checkpatch.pl enforces now.
> > 
> >> Register pernet in first place') reorganised the initialisation
> >> order of the pernet_subsys to avoid "use-before-initialised"
> >> condition. However, in doing so the cleanup logic in nfnetlink_queue
> >> got botched in that the pernet_subsys wasn't cleaned in case
> >> nfnetlink_subsys_register failed. This patch adds the necessary
> >> cleanup routine call.
> >>
> >> Fixes: 3bfe049807c2403 ('netfilter: nfnetlink_{log,queue}: Register
> >>                         pernet in first place')
> > 
> >    Likewise.
> 
> I will resend it with proper quotes (even though I think this is a minor
> issue) but I'd like to first gather some review feedback.

Unless someone spots any other more relevant problem with this, I'll
fix this comestic issues here, no need to resend.

> Also I dunno if this should be marked for stable.

Yes, this qualifies for -stable, will take care of that.

Thanks.
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