3 files changed, 10 insertions, 10 deletions

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 8afac76cd748..61723a7c21fe 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -233,7 +233,7 @@ struct tcp_request_sock {
         struct inet_request_sock        req;
 #ifdef CONFIG_TCP_MD5SIG
         /* Only used by TCP MD5 Signature so far. */
-        struct tcp_request_sock_ops     *af_specific;
+        const struct tcp_request_sock_ops *af_specific;
 #endif
         u32                             rcv_isn;
         u32                             snt_isn;
@@ -401,9 +401,9 @@ struct tcp_sock {
 
 #ifdef CONFIG_TCP_MD5SIG
 /* TCP AF-Specific parts; only used by MD5 Signature support so far */
-        struct tcp_sock_af_ops  *af_specific;
+        const struct tcp_sock_af_ops    *af_specific;
 
-/* TCP MD5 Signagure Option information */
+/* TCP MD5 Signature Option information */
         struct tcp_md5sig_info  *md5sig_info;
 #endif
 };
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 6755e29a6dd3..3efbe94f022b 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1195,7 +1195,7 @@ struct request_sock_ops tcp_request_sock_ops __read_mostly = {
 };
 
 #ifdef CONFIG_TCP_MD5SIG
-static struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = {
+static const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = {
         .md5_lookup     =       tcp_v4_reqsk_md5_lookup,
         .calc_md5_hash  =       tcp_v4_md5_hash_skb,
 };
@@ -1774,7 +1774,7 @@ struct inet_connection_sock_af_ops ipv4_specific = {
 };
 
 #ifdef CONFIG_TCP_MD5SIG
-static struct tcp_sock_af_ops tcp_sock_ipv4_specific = {
+static const struct tcp_sock_af_ops tcp_sock_ipv4_specific = {
         .md5_lookup             = tcp_v4_md5_lookup,
         .calc_md5_hash          = tcp_v4_md5_hash_skb,
         .md5_add                = tcp_v4_md5_add_func,
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index d849dd53b788..eadbc584e919 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -78,8 +78,8 @@ static int	tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb);
 static struct inet_connection_sock_af_ops ipv6_mapped;
 static struct inet_connection_sock_af_ops ipv6_specific;
 #ifdef CONFIG_TCP_MD5SIG
-static struct tcp_sock_af_ops tcp_sock_ipv6_specific;
-static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific;
+static const struct tcp_sock_af_ops tcp_sock_ipv6_specific;
+static const struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific;
 #else
 static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
                                                    struct in6_addr *addr)
@@ -894,7 +894,7 @@ struct request_sock_ops tcp6_request_sock_ops __read_mostly = {
 };
 
 #ifdef CONFIG_TCP_MD5SIG
-static struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
+static const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
         .md5_lookup     =       tcp_v6_reqsk_md5_lookup,
         .calc_md5_hash  =       tcp_v6_md5_hash_skb,
 };
@@ -1780,7 +1780,7 @@ static struct inet_connection_sock_af_ops ipv6_specific = {
 };
 
 #ifdef CONFIG_TCP_MD5SIG
-static struct tcp_sock_af_ops tcp_sock_ipv6_specific = {
+static const struct tcp_sock_af_ops tcp_sock_ipv6_specific = {
         .md5_lookup     =       tcp_v6_md5_lookup,
         .calc_md5_hash  =       tcp_v6_md5_hash_skb,
         .md5_add        =       tcp_v6_md5_add_func,
@@ -1812,7 +1812,7 @@ static struct inet_connection_sock_af_ops ipv6_mapped = {
 };
 
 #ifdef CONFIG_TCP_MD5SIG
-static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific = {
+static const struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific = {
         .md5_lookup     =       tcp_v4_md5_lookup,
         .calc_md5_hash  =       tcp_v4_md5_hash_skb,
         .md5_add        =       tcp_v6_md5_add_func,