tcp: md5: get rid of tcp_v[46]_reqsk_md5_lookup()

With request socks convergence, we no longer need
different lookup methods. A request socket can
use generic lookup function.

Add const qualifier to 2nd tcp_v[46]_md5_lookup() parameter.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 8 deletions

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 57d1c41404ec..a9568caf4675 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -486,17 +486,11 @@ static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
 }
 
 static struct tcp_md5sig_key *tcp_v6_md5_lookup(struct sock *sk,
-                                                struct sock *addr_sk)
+                                                const struct sock *addr_sk)
 {
         return tcp_v6_md5_do_lookup(sk, &addr_sk->sk_v6_daddr);
 }
 
-static struct tcp_md5sig_key *tcp_v6_reqsk_md5_lookup(struct sock *sk,
-                                                      struct request_sock *req)
-{
-        return tcp_v6_md5_do_lookup(sk, &inet_rsk(req)->ir_v6_rmt_addr);
-}
-
 static int tcp_v6_parse_md5_keys(struct sock *sk, char __user *optval,
                                  int optlen)
 {
@@ -720,7 +714,7 @@ static const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
         .mss_clamp      =       IPV6_MIN_MTU - sizeof(struct tcphdr) -
                                 sizeof(struct ipv6hdr),
 #ifdef CONFIG_TCP_MD5SIG
-        .md5_lookup     =       tcp_v6_reqsk_md5_lookup,
+        .req_md5_lookup =       tcp_v6_md5_lookup,
         .calc_md5_hash  =       tcp_v6_md5_hash_skb,
 #endif
         .init_req       =       tcp_v6_init_req,