| 1 | This was added in commit 46d3ceabd8d98ed0ad10f20c595ca784e34786c5 (tcp: |
| 2 | TCP Small Queues) but we need it for pppoatm too. |
| 3 | |
| 4 | --- a/include/net/sock.h |
| 5 | +++ b/include/net/sock.h |
| 6 | @@ -810,6 +810,8 @@ struct proto { |
| 7 | int (*backlog_rcv) (struct sock *sk, |
| 8 | struct sk_buff *skb); |
| 9 | |
| 10 | + void (*release_cb)(struct sock *sk); |
| 11 | + |
| 12 | /* Keeping track of sk's, looking them up, and port selection methods. */ |
| 13 | void (*hash)(struct sock *sk); |
| 14 | void (*unhash)(struct sock *sk); |
| 15 | --- a/net/core/sock.c |
| 16 | +++ b/net/core/sock.c |
| 17 | @@ -2138,6 +2138,10 @@ void release_sock(struct sock *sk) |
| 18 | spin_lock_bh(&sk->sk_lock.slock); |
| 19 | if (sk->sk_backlog.tail) |
| 20 | __release_sock(sk); |
| 21 | + |
| 22 | + if (sk->sk_prot->release_cb) |
| 23 | + sk->sk_prot->release_cb(sk); |
| 24 | + |
| 25 | sk->sk_lock.owned = 0; |
| 26 | if (waitqueue_active(&sk->sk_lock.wq)) |
| 27 | wake_up(&sk->sk_lock.wq); |
| 28 | |
