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

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Date:	Wed, 9 Dec 2015 14:48:25 +0100
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Nikolay Borisov <kernel@...p.com>
Cc:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	netdev@...r.kernel.org, fruggeri@...sta.com,
	coreteam@...filter.org, netfilter-devel@...r.kernel.org,
	kadlec@...ckhole.kfki.hu, davem@...emloft.net
Subject: Re: [netfilter-core] [PATCH] netfilter: nfnetlink_queue: Unregister
 pernet subsys in case of init failure

On Mon, Dec 07, 2015 at 02:17:46PM +0100, Pablo Neira Ayuso wrote:
> 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.

Applied, thanks.
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