net: ipv6: remove unused arg exact_dif in compute_score

The arg exact_dif is not used anymore, remove it. inet6_exact_dif_match()
is no longer needed after the above is removed, remove it too.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index bac8f4f..dda61d1 100644 (file)
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -177,17 +177,6 @@ static inline int inet6_sdif(const struct sk_buff *skb)
        return 0;
 }
 
-/* can not be used in TCP layer after tcp_v6_fill_cb */
-static inline bool inet6_exact_dif_match(struct net *net, struct sk_buff *skb)
-{
-#if defined(CONFIG_NET_L3_MASTER_DEV)
-       if (!net->ipv4.sysctl_tcp_l3mdev_accept &&
-           skb && ipv6_l3mdev_skb(IP6CB(skb)->flags))
-               return true;
-#endif
-       return false;
-}
-
 struct tcp6_request_sock {
        struct tcp_request_sock   tcp6rsk_tcp;
 };

diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 2d3add9..55c290d 100644 (file)
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -94,7 +94,7 @@ EXPORT_SYMBOL(__inet6_lookup_established);
 static inline int compute_score(struct sock *sk, struct net *net,
                                const unsigned short hnum,
                                const struct in6_addr *daddr,
-                               const int dif, const int sdif, bool exact_dif)
+                               const int dif, const int sdif)
 {
        int score = -1;
 
@@ -138,15 +138,13 @@ static struct sock *inet6_lhash2_lookup(struct net *net,
                const __be16 sport, const struct in6_addr *daddr,
                const unsigned short hnum, const int dif, const int sdif)
 {
-       bool exact_dif = inet6_exact_dif_match(net, skb);
        struct inet_connection_sock *icsk;
        struct sock *sk, *result = NULL;
        int score, hiscore = 0;
 
        inet_lhash2_for_each_icsk_rcu(icsk, &ilb2->head) {
                sk = (struct sock *)icsk;
-               score = compute_score(sk, net, hnum, daddr, dif, sdif,
-                                     exact_dif);
+               score = compute_score(sk, net, hnum, daddr, dif, sdif);
                if (score > hiscore) {
                        result = lookup_reuseport(net, sk, skb, doff,
                                                  saddr, sport, daddr, hnum);