1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 3bc5c8f7c71b..90f6544c13e2 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -15,6 +15,7 @@
 #include <linux/random.h>
 #include <linux/cryptohash.h>
 #include <linux/kernel.h>
+#include <linux/export.h>
 #include <net/tcp.h>
 #include <net/route.h>
 
@@ -265,7 +266,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
                              struct ip_options *opt)
 {
         struct tcp_options_received tcp_opt;
-        u8 *hash_location;
+        const u8 *hash_location;
         struct inet_request_sock *ireq;
         struct tcp_request_sock *treq;
         struct tcp_sock *tp = tcp_sk(sk);