1 files changed, 17 insertions, 12 deletions

diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 1bcc343..c813e29 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -73,7 +73,7 @@ struct sock *__inet6_lookup_established(struct net *net,
 	 * have wildcards anyways.
 	 */
 	unsigned int hash = inet6_ehashfn(net, daddr, hnum, saddr, sport);
-	unsigned int slot = hash & (hashinfo->ehash_size - 1);
+	unsigned int slot = hash & hashinfo->ehash_mask;
 	struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
 
 
@@ -125,7 +125,7 @@ static int inline compute_score(struct sock *sk, struct net *net,
 {
 	int score = -1;
 
-	if (net_eq(sock_net(sk), net) && inet_sk(sk)->num == hnum &&
+	if (net_eq(sock_net(sk), net) && inet_sk(sk)->inet_num == hnum &&
 	    sk->sk_family == PF_INET6) {
 		const struct ipv6_pinfo *np = inet6_sk(sk);
 
@@ -214,15 +214,16 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
 	const struct in6_addr *daddr = &np->rcv_saddr;
 	const struct in6_addr *saddr = &np->daddr;
 	const int dif = sk->sk_bound_dev_if;
-	const __portpair ports = INET_COMBINED_PORTS(inet->dport, lport);
+	const __portpair ports = INET_COMBINED_PORTS(inet->inet_dport, lport);
 	struct net *net = sock_net(sk);
 	const unsigned int hash = inet6_ehashfn(net, daddr, lport, saddr,
-						inet->dport);
+						inet->inet_dport);
 	struct inet_ehash_bucket *head = inet_ehash_bucket(hinfo, hash);
 	spinlock_t *lock = inet_ehash_lockp(hinfo, hash);
 	struct sock *sk2;
 	const struct hlist_nulls_node *node;
 	struct inet_timewait_sock *tw;
+	int twrefcnt = 0;
 
 	spin_lock(lock);
 
@@ -248,21 +249,25 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
 unique:
 	/* Must record num and sport now. Otherwise we will see
 	 * in hash table socket with a funny identity. */
-	inet->num = lport;
-	inet->sport = htons(lport);
+	inet->inet_num = lport;
+	inet->inet_sport = htons(lport);
+	sk->sk_hash = hash;
 	WARN_ON(!sk_unhashed(sk));
 	__sk_nulls_add_node_rcu(sk, &head->chain);
-	sk->sk_hash = hash;
+	if (tw) {
+		twrefcnt = inet_twsk_unhash(tw);
+		NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
+	}
 	spin_unlock(lock);
+	if (twrefcnt)
+		inet_twsk_put(tw);
 	sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
 
-	if (twp != NULL) {
+	if (twp) {
 		*twp = tw;
-		NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
-	} else if (tw != NULL) {
+	} else if (tw) {
 		/* Silly. Should hash-dance instead... */
 		inet_twsk_deschedule(tw, death_row);
-		NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
 
 		inet_twsk_put(tw);
 	}
@@ -279,7 +284,7 @@ static inline u32 inet6_sk_port_offset(const struct sock *sk)
 	const struct ipv6_pinfo *np = inet6_sk(sk);
 	return secure_ipv6_port_ephemeral(np->rcv_saddr.s6_addr32,
 					  np->daddr.s6_addr32,
-					  inet->dport);
+					  inet->inet_dport);
 }
 
 int inet6_hash_connect(struct inet_timewait_death_row *death_row,