1 files changed, 26 insertions, 0 deletions

diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index 5a2beed5a770..a4a204f99ea6 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -48,6 +48,32 @@ static inline int inet6_sk_ehashfn(const struct sock *sk)
         return inet6_ehashfn(laddr, lport, faddr, fport);
 }
 
+static inline void __inet6_hash(struct inet_hashinfo *hashinfo,
+                                struct sock *sk)
+{
+        struct hlist_head *list;
+        rwlock_t *lock;
+
+        BUG_TRAP(sk_unhashed(sk));
+
+        if (sk->sk_state == TCP_LISTEN) {
+                list = &hashinfo->listening_hash[inet_sk_listen_hashfn(sk)];
+                lock = &hashinfo->lhash_lock;
+                inet_listen_wlock(hashinfo);
+        } else {
+                unsigned int hash;
+                sk->sk_hash = hash = inet6_sk_ehashfn(sk);
+                hash &= (hashinfo->ehash_size - 1);
+                list = &hashinfo->ehash[hash].chain;
+                lock = &hashinfo->ehash[hash].lock;
+                write_lock(lock);
+        }
+
+        __sk_add_node(sk, list);
+        sock_prot_inc_use(sk->sk_prot);
+        write_unlock(lock);
+}
+
 /*
  * Sockets in TCP_CLOSE state are _always_ taken out of the hash, so
  * we need not check it for TCP lookups anymore, thanks Alexey. -DaveM