Bluetooth: Add BT_DBG to l2cap_sock_shutdown()

Add helpful BT_DBG debug to l2cap_sock_shutdown()
and __l2cap_wait_ack() so that the code flow can
be analysed.

Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 29042880c449d24d8fd5d18fceb4387f0835aafa..d915e4a963131fe2992770ad633b80273ccfdb32 100644 (file)
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1063,6 +1063,8 @@ static int __l2cap_wait_ack(struct sock *sk, struct l2cap_chan *chan)
        add_wait_queue(sk_sleep(sk), &wait);
        set_current_state(TASK_INTERRUPTIBLE);
        do {
+               BT_DBG("Waiting for %d ACKs", chan->unacked_frames);
+
                if (!timeo)
                        timeo = HZ/5;
 
@@ -1146,6 +1148,8 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
        l2cap_chan_put(chan);
        sock_put(sk);
 
+       BT_DBG("err: %d", err);
+
        return err;
 }