netdev - Re: [PATCH] netfilter: conntrack: define variables exp_nat_nla_policy and any_addr with CONFIG_NF

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Message-ID: <ZGD7mphdxml6qgCx@corigine.com>
Date: Sun, 14 May 2023 17:17:46 +0200
From: Simon Horman <simon.horman@...igine.com>
To: Tom Rix <trix@...hat.com>
Cc: pablo@...filter.org, kadlec@...filter.org, fw@...len.de,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, netfilter-devel@...r.kernel.org,
	coreteam@...filter.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netfilter: conntrack: define variables
 exp_nat_nla_policy and any_addr with CONFIG_NF_NAT

On Sun, May 14, 2023 at 10:00:10AM -0400, Tom Rix wrote:
> gcc with W=1 and ! CONFIG_NF_NAT
> net/netfilter/nf_conntrack_netlink.c:3463:32: error:
>   ‘exp_nat_nla_policy’ defined but not used [-Werror=unused-const-variable=]
>  3463 | static const struct nla_policy exp_nat_nla_policy[CTA_EXPECT_NAT_MAX+1] = {
>       |                                ^~~~~~~~~~~~~~~~~~
> net/netfilter/nf_conntrack_netlink.c:2979:33: error:
>   ‘any_addr’ defined but not used [-Werror=unused-const-variable=]
>  2979 | static const union nf_inet_addr any_addr;
>       |                                 ^~~~~~~~
> 
> These variables use is controlled by CONFIG_NF_NAT, so should their definitions.
> 
> Signed-off-by: Tom Rix <trix@...hat.com>

Reviewed-by: Simon Horman <simon.horman@...igine.com>