netfilter: connlimit: fix UP build

cannot use ARRAY_SIZE() if spinlock_t is empty struct.

Fixes: 1442e7507dd597 ("netfilter: connlimit: use keyed locks")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c
index 458464e..a6e129e 100644 (file)
--- a/net/netfilter/xt_connlimit.c
+++ b/net/netfilter/xt_connlimit.c
@@ -377,7 +377,7 @@ static int connlimit_mt_check(const struct xt_mtchk_param *par)
                return -ENOMEM;
        }
 
-       for (i = 0; i < ARRAY_SIZE(info->data->locks); ++i)
+       for (i = 0; i < CONNLIMIT_LOCK_SLOTS; ++i)
                spin_lock_init(&info->data->locks[i]);
 
        for (i = 0; i < ARRAY_SIZE(info->data->climit_root4); ++i)