[PATCH] netfilter: nft_ct: define nft_ct_get_eval_counter() only when needed

[Eric Biggers]

This eliminates an "unused function" compiler warning when
CONFIG_NF_CONNTRACK_LABELS is not defined.

Signed-off-by: Eric Biggers <ebigge...@gmail.com>
---
 net/netfilter/nft_ct.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index a0eb216..3cd6b5b 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -31,6 +31,7 @@ struct nft_ct {
        };
 };
 
+#ifdef CONFIG_NF_CONNTRACK_LABELS
 static u64 nft_ct_get_eval_counter(const struct nf_conn_counter *c,
                                   enum nft_ct_keys k,
                                   enum ip_conntrack_dir d)
@@ -42,6 +43,7 @@ static u64 nft_ct_get_eval_counter(const struct 
nf_conn_counter *c,
        return nft_ct_get_eval_counter(c, k, IP_CT_DIR_ORIGINAL) +
               nft_ct_get_eval_counter(c, k, IP_CT_DIR_REPLY);
 }
+#endif
 
 static void nft_ct_get_eval(const struct nft_expr *expr,
                            struct nft_regs *regs,
-- 
2.7.0