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- This was added in commit 46d3ceabd8d98ed0ad10f20c595ca784e34786c5 (tcp:
- TCP Small Queues) but we need it for pppoatm too.
- --- a/include/net/sock.h
- +++ b/include/net/sock.h
- @@ -810,6 +810,8 @@ struct proto {
- int (*backlog_rcv) (struct sock *sk,
- struct sk_buff *skb);
-
- + void (*release_cb)(struct sock *sk);
- +
- /* Keeping track of sk's, looking them up, and port selection methods. */
- void (*hash)(struct sock *sk);
- void (*unhash)(struct sock *sk);
- --- a/net/core/sock.c
- +++ b/net/core/sock.c
- @@ -2138,6 +2138,10 @@ void release_sock(struct sock *sk)
- spin_lock_bh(&sk->sk_lock.slock);
- if (sk->sk_backlog.tail)
- __release_sock(sk);
- +
- + if (sk->sk_prot->release_cb)
- + sk->sk_prot->release_cb(sk);
- +
- sk->sk_lock.owned = 0;
- if (waitqueue_active(&sk->sk_lock.wq))
- wake_up(&sk->sk_lock.wq);
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