linux-kernel - Re: [PATCH] netfilter: nft_ct: mark nft_ct_get_eval_counter __maybe

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Message-ID: <20160113164903.GA4121@salvia>
Date:	Wed, 13 Jan 2016 17:49:03 +0100
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Patrick McHardy <kaber@...sh.net>,
	Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
	"David S. Miller" <davem@...emloft.net>,
	netfilter-devel@...r.kernel.org, coreteam@...filter.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Florian Westphal <fw@...len.de>
Subject: Re: [PATCH] netfilter: nft_ct: mark nft_ct_get_eval_counter
 __maybe_unused

On Wed, Jan 13, 2016 at 04:54:24PM +0100, Pablo Neira Ayuso wrote:
> On Wed, Jan 13, 2016 at 02:58:11PM +0100, Arnd Bergmann wrote:
> > The newly added nft_ct_get_eval_counter() function is only used when
> > CONFIG_NF_CONNTRACK_LABELS is set, otherwise gcc warns about the
> > unused definition:
> > 
> > netfilter/nft_ct.c:34:12: warning: 'nft_ct_get_eval_counter' defined but not used [-Wunused-function]
> >  static u64 nft_ct_get_eval_counter(const struct nf_conn_counter *c,
> > 
> > This marks the function __maybe_unused to shut up the warning.
> 
> It seems that function doesn't below to CONFIG_NF_CONNTRACK_LABELS as
> it is part of the new counter support. Will be sending an alternate
> patch instead.

Just for the record, I submitted this fix:

http://patchwork.ozlabs.org/patch/567063/