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-rw-r--r--net/ipv4/tcp_ipv4.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 5c70493dff02..e9f83e5b28ce 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -661,6 +661,7 @@ static void tcp_v4_reqsk_destructor(struct request_sock *req)
kfree(inet_rsk(req)->opt);
}
+#ifdef CONFIG_SYN_COOKIES
static void syn_flood_warning(struct sk_buff *skb)
{
static unsigned long warntime;
@@ -672,6 +673,7 @@ static void syn_flood_warning(struct sk_buff *skb)
ntohs(skb->h.th->dest));
}
}
+#endif
/*
* Save and compile IPv4 options into the request_sock if needed.