X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;ds=sidebyside;f=net%2Fipv4%2Finet_hashtables.c;h=2023d37b2708ea12ea5e5a4cb6ae010697b8d386;hb=7d227cd235c809c36c847d6a597956ad9e9d2bae;hp=1612184ecc6f9100b67858f522a90c0437e6d53f;hpb=8c5da49a63c7675a3e137eb384b982e562622342;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 1612184..2023d37 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -92,6 +92,22 @@ void inet_put_port(struct sock *sk) EXPORT_SYMBOL(inet_put_port); +void __inet_inherit_port(struct sock *sk, struct sock *child) +{ + struct inet_hashinfo *table = sk->sk_prot->h.hashinfo; + const int bhash = inet_bhashfn(inet_sk(child)->num, table->bhash_size); + struct inet_bind_hashbucket *head = &table->bhash[bhash]; + struct inet_bind_bucket *tb; + + spin_lock(&head->lock); + tb = inet_csk(sk)->icsk_bind_hash; + sk_add_bind_node(child, &tb->owners); + inet_csk(child)->icsk_bind_hash = tb; + spin_unlock(&head->lock); +} + +EXPORT_SYMBOL_GPL(__inet_inherit_port); + /* * This lock without WQ_FLAG_EXCLUSIVE is good on UP and it can be very bad on SMP. * Look, when several writers sleep and reader wakes them up, all but one