netdev - [PATCH net-next 1/5] nf_conntrack: fix -Wunused-const-variable=

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Message-ID: <20230727133604.8275-2-fw@strlen.de>
Date: Thu, 27 Jul 2023 15:35:56 +0200
From: Florian Westphal <fw@...len.de>
To: <netdev@...r.kernel.org>
Cc: Paolo Abeni <pabeni@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	<netfilter-devel@...r.kernel.org>,
	Zhu Wang <wangzhu9@...wei.com>,
	Simon Horman <simon.horman@...igine.com>
Subject: [PATCH net-next 1/5] nf_conntrack: fix -Wunused-const-variable=

From: Zhu Wang <wangzhu9@...wei.com>

When building with W=1, the following warning occurs.

net/netfilter/nf_conntrack_proto_dccp.c:72:27: warning: ‘dccp_state_names’ defined but not used [-Wunused-const-variable=]
 static const char * const dccp_state_names[] = {

We include dccp_state_names in the macro
CONFIG_NF_CONNTRACK_PROCFS, since it is only used in the place
which is included in the macro CONFIG_NF_CONNTRACK_PROCFS.

Fixes: 2bc780499aa3 ("[NETFILTER]: nf_conntrack: add DCCP protocol support")
Signed-off-by: Zhu Wang <wangzhu9@...wei.com>
Reviewed-by: Simon Horman <simon.horman@...igine.com>
Signed-off-by: Florian Westphal <fw@...len.de>
---
 net/netfilter/nf_conntrack_proto_dccp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index d4fd626d2b8c..e2db1f4ec2df 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -69,6 +69,7 @@
 
 #define DCCP_MSL (2 * 60 * HZ)
 
+#ifdef CONFIG_NF_CONNTRACK_PROCFS
 static const char * const dccp_state_names[] = {
 	[CT_DCCP_NONE]		= "NONE",
 	[CT_DCCP_REQUEST]	= "REQUEST",
@@ -81,6 +82,7 @@ static const char * const dccp_state_names[] = {
 	[CT_DCCP_IGNORE]	= "IGNORE",
 	[CT_DCCP_INVALID]	= "INVALID",
 };
+#endif
 
 #define sNO	CT_DCCP_NONE
 #define sRQ	CT_DCCP_REQUEST
-- 
2.41.0