Bluetooth: Use symbolic names for state in debug

Use state_to_string function in debug statements.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

include/net/bluetooth/l2cap.h

@@ -612,7 +612,8 @@ static inline void l2cap_chan_put(struct l2cap_chan *c)
 static inline void l2cap_set_timer(struct l2cap_chan *chan,
 					struct delayed_work *work, long timeout)
 {
-	BT_DBG("chan %p state %d timeout %ld", chan, chan->state, timeout);
+	BT_DBG("chan %p state %s timeout %ld", chan,
+					state_to_string(chan->state), timeout);
 
 	if (!cancel_delayed_work(work))
 		l2cap_chan_hold(chan);

net/bluetooth/hci_conn.c

@@ -282,7 +282,7 @@ static void hci_conn_timeout(struct work_struct *work)
 							disc_work.work);
 	__u8 reason;
 
-	BT_DBG("conn %p state %d", conn, conn->state);
+	BT_DBG("conn %p state %s", conn, state_to_string(conn->state));
 
 	if (atomic_read(&conn->refcnt))
 		return;

net/bluetooth/l2cap_core.c

@@ -231,7 +231,7 @@ static void l2cap_chan_timeout(struct work_struct *work)
 	struct sock *sk = chan->sk;
 	int reason;
 
-	BT_DBG("chan %p state %d", chan, chan->state);
+	BT_DBG("chan %p state %s", chan, state_to_string(chan->state));
 
 	lock_sock(sk);
 
@@ -413,7 +413,8 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
 	struct l2cap_conn *conn = chan->conn;
 	struct sock *sk = chan->sk;
 
-	BT_DBG("chan %p state %d socket %p", chan, chan->state, sk->sk_socket);
+	BT_DBG("chan %p state %s sk %p", chan,
+					state_to_string(chan->state), sk);
 
 	switch (chan->state) {
 	case BT_LISTEN:

net/bluetooth/l2cap_sock.c

@@ -783,7 +783,7 @@ static void l2cap_sock_kill(struct sock *sk)
 	if (!sock_flag(sk, SOCK_ZAPPED) || sk->sk_socket)
 		return;
 
-	BT_DBG("sk %p state %d", sk, sk->sk_state);
+	BT_DBG("sk %p state %s", sk, state_to_string(sk->sk_state));
 
 	/* Kill poor orphan */