From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
include/net/bluetooth/a2mp.h | 5 +++++
net/bluetooth/a2mp.c | 28 ++++++++++++++++++++++++++++
2 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/include/net/bluetooth/a2mp.h b/include/net/bluetooth/a2mp.h
index 95dfaeb..a3938f9 100644
--- a/include/net/bluetooth/a2mp.h
+++ b/include/net/bluetooth/a2mp.h
@@ -21,4 +21,9 @@ struct a2mp_work_data_ready {
int bytes;
};
+struct a2mp_work_state_change {
+ struct work_struct work;
+ struct sock *sk;
+};
+
#endif /* __A2MP_H */
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 4475ec8..df34114 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -56,6 +56,32 @@ static void a2mp_data_ready(struct sock *sk, int bytes)
}
}
+static void state_change_worker(struct work_struct *w)
+{
+ struct a2mp_work_state_change *work = (struct a2mp_work_state_change *) w;
+ struct sock *sk = work->sk;
+
+ BT_DBG("sk %p", sk);
+ sock_put(work->sk);
+ kfree(work);
+}
+
+static void a2mp_state_change(struct sock *sk)
+{
+ struct a2mp_work_state_change *work;
+
+ work = kmalloc(sizeof(*work), GFP_ATOMIC);
+ if (work) {
+ INIT_WORK(&work->work, state_change_worker);
+ sock_hold(sk);
+ work->sk = sk;
+ if (!queue_work(a2mp_workqueue, &work->work)) {
+ kfree(work);
+ sock_put(sk);
+ }
+ }
+}
+
static void l2cap_fixed_channel_config(struct sock *sk)
{
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
@@ -104,6 +130,8 @@ static struct socket *open_a2mp_sock(struct l2cap_conn *conn)
sk = sock->sk;
sk->sk_data_ready = a2mp_data_ready;
+ sk->sk_state_change = a2mp_state_change;
+
memset(&addr, 0, sizeof(addr));
bacpy(&addr.l2_bdaddr, conn->src);
addr.l2_family = AF_BLUETOOTH;
--
1.7.4.1
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