1 files changed, 6 insertions, 5 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 13dfb391cdf1..c85819d8474b 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -130,19 +130,20 @@ static int __tcp_v4_check_established(struct sock *sk, __u16 lport,
         int dif = sk->sk_bound_dev_if;
         INET_ADDR_COOKIE(acookie, saddr, daddr)
         const __u32 ports = INET_COMBINED_PORTS(inet->dport, lport);
-        const int hash = inet_ehashfn(daddr, lport, saddr, inet->dport, tcp_hashinfo.ehash_size);
-        struct inet_ehash_bucket *head = &tcp_hashinfo.ehash[hash];
+        unsigned int hash = inet_ehashfn(daddr, lport, saddr, inet->dport);
+        struct inet_ehash_bucket *head = inet_ehash_bucket(&tcp_hashinfo, hash);
         struct sock *sk2;
         const struct hlist_node *node;
         struct inet_timewait_sock *tw;
 
+        prefetch(head->chain.first);
         write_lock(&head->lock);
 
         /* Check TIME-WAIT sockets first. */
         sk_for_each(sk2, node, &(head + tcp_hashinfo.ehash_size)->chain) {
                 tw = inet_twsk(sk2);
 
-                if (INET_TW_MATCH(sk2, acookie, saddr, daddr, ports, dif)) {
+                if (INET_TW_MATCH(sk2, hash, acookie, saddr, daddr, ports, dif)) {
                         const struct tcp_timewait_sock *tcptw = tcp_twsk(sk2);
                         struct tcp_sock *tp = tcp_sk(sk);
 
@@ -179,7 +180,7 @@ static int __tcp_v4_check_established(struct sock *sk, __u16 lport,
 
         /* And established part... */
         sk_for_each(sk2, node, &head->chain) {
-                if (INET_MATCH(sk2, acookie, saddr, daddr, ports, dif))
+                if (INET_MATCH(sk2, hash, acookie, saddr, daddr, ports, dif))
                         goto not_unique;
         }
 
@@ -188,7 +189,7 @@ unique:
          * in hash table socket with a funny identity. */
         inet->num = lport;
         inet->sport = htons(lport);
-        sk->sk_hashent = hash;
+        sk->sk_hash = hash;
         BUG_TRAP(sk_unhashed(sk));
         __sk_add_node(sk, &head->chain);
         sock_prot_inc_use(sk->sk_prot);