1 files changed, 44 insertions, 2 deletions

diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 67704da04fc4..8dfd5a691e5f 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -267,6 +267,48 @@ static inline u32 inet_sk_port_offset(const struct sock *sk)
                                           inet->dport);
 }
 
+void __inet_hash_nolisten(struct inet_hashinfo *hashinfo, struct sock *sk)
+{
+        struct hlist_head *list;
+        rwlock_t *lock;
+        struct inet_ehash_bucket *head;
+
+        BUG_TRAP(sk_unhashed(sk));
+
+        sk->sk_hash = inet_sk_ehashfn(sk);
+        head = inet_ehash_bucket(hashinfo, sk->sk_hash);
+        list = &head->chain;
+        lock = inet_ehash_lockp(hashinfo, sk->sk_hash);
+
+        write_lock(lock);
+        __sk_add_node(sk, list);
+        sock_prot_inc_use(sk->sk_prot);
+        write_unlock(lock);
+}
+EXPORT_SYMBOL_GPL(__inet_hash_nolisten);
+
+void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk)
+{
+        struct hlist_head *list;
+        rwlock_t *lock;
+
+        if (sk->sk_state != TCP_LISTEN) {
+                __inet_hash_nolisten(hashinfo, sk);
+                return;
+        }
+
+        BUG_TRAP(sk_unhashed(sk));
+        list = &hashinfo->listening_hash[inet_sk_listen_hashfn(sk)];
+        lock = &hashinfo->lhash_lock;
+
+        inet_listen_wlock(hashinfo);
+        __sk_add_node(sk, list);
+        sock_prot_inc_use(sk->sk_prot);
+        write_unlock(lock);
+        wake_up(&hashinfo->lhash_wait);
+}
+EXPORT_SYMBOL_GPL(__inet_hash);
+
 /*
  * Bind a port for a connect operation and hash it.
  */
@@ -334,7 +376,7 @@ ok:
                 inet_bind_hash(sk, tb, port);
                 if (sk_unhashed(sk)) {
                         inet_sk(sk)->sport = htons(port);
-                        __inet_hash(hinfo, sk, 0);
+                        __inet_hash_nolisten(hinfo, sk);
                 }
                 spin_unlock(&head->lock);
 
@@ -351,7 +393,7 @@ ok:
         tb  = inet_csk(sk)->icsk_bind_hash;
         spin_lock_bh(&head->lock);
         if (sk_head(&tb->owners) == sk && !sk->sk_bind_node.next) {
-                __inet_hash(hinfo, sk, 0);
+                __inet_hash_nolisten(hinfo, sk);
                 spin_unlock_bh(&head->lock);
                 return 0;
         } else {