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Bluetooth: add close() callback to l2cap_chan_ops 

close() calls l2cap_sock_kill() on l2cap_sock.c

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan 2011-05-16 18:23:24 -03:00
parent 2307049422
commit ba3bd0ee39
3 changed files with 19 additions and 11 deletions
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3
include/net/bluetooth/l2cap.h
View File

@ -364,6 +364,7 @@ struct l2cap_ops {
struct l2cap_chan *(*new_connection) (void *data);
int (*recv) (void *data, struct sk_buff *skb);
void (*close) (void *data);
};
struct l2cap_conn {
@ -469,8 +470,6 @@ int __l2cap_wait_ack(struct sock *sk);
int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm);
int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid);
void l2cap_sock_kill(struct sock *sk);
struct l2cap_chan *l2cap_chan_create(struct sock *sk);
void l2cap_chan_close(struct l2cap_chan *chan, int reason);
void l2cap_chan_destroy(struct l2cap_chan *chan);

17
net/bluetooth/l2cap_core.c
View File

@ -254,7 +254,7 @@ static void l2cap_chan_timeout(unsigned long arg)
bh_unlock_sock(sk);
l2cap_sock_kill(sk);
chan->ops->close(chan->data);
sock_put(sk);
}
@ -391,11 +391,12 @@ static void l2cap_chan_cleanup_listen(struct sock *parent)
/* Close not yet accepted channels */
while ((sk = bt_accept_dequeue(parent, NULL))) {
l2cap_chan_clear_timer(l2cap_pi(sk)->chan);
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
l2cap_chan_clear_timer(chan);
lock_sock(sk);
l2cap_chan_close(l2cap_pi(sk)->chan, ECONNRESET);
l2cap_chan_close(chan, ECONNRESET);
release_sock(sk);
l2cap_sock_kill(sk);
chan->ops->close(chan->data);
}
parent->sk_state = BT_CLOSED;
@ -993,7 +994,7 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
bh_lock_sock(sk);
l2cap_chan_del(chan, err);
bh_unlock_sock(sk);
l2cap_sock_kill(sk);
chan->ops->close(chan->data);
}
if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT)
@ -2339,7 +2340,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
if (__l2cap_get_chan_by_dcid(conn, scid)) {
write_unlock_bh(&conn->chan_lock);
sock_set_flag(sk, SOCK_ZAPPED);
l2cap_sock_kill(sk);
chan->ops->close(chan->data);
goto response;
}
@ -2712,7 +2713,7 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
l2cap_chan_del(chan, ECONNRESET);
bh_unlock_sock(sk);
l2cap_sock_kill(sk);
chan->ops->close(chan->data);
return 0;
}
@ -2746,7 +2747,7 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
l2cap_chan_del(chan, 0);
bh_unlock_sock(sk);
l2cap_sock_kill(sk);
chan->ops->close(chan->data);
return 0;
}

10
net/bluetooth/l2cap_sock.c
View File

@ -713,7 +713,7 @@ static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct ms
/* Kill socket (only if zapped and orphan)
* Must be called on unlocked socket.
*/
void l2cap_sock_kill(struct sock *sk)
static void l2cap_sock_kill(struct sock *sk)
{
if (!sock_flag(sk, SOCK_ZAPPED) || sk->sk_socket)
return;
@ -796,10 +796,18 @@ static int l2cap_sock_recv_cb(void *data, struct sk_buff *skb)
return sock_queue_rcv_skb(sk, skb);
}
static void l2cap_sock_close_cb(void *data)
{
struct sock *sk = data;
l2cap_sock_kill(sk);
}
static struct l2cap_ops l2cap_chan_ops = {
.name = "L2CAP Socket Interface",
.new_connection = l2cap_sock_new_connection_cb,
.recv = l2cap_sock_recv_cb,
.close = l2cap_sock_close_cb,
};
static void l2cap_sock_destruct(struct sock *sk)