diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index d8e7b9330ab8..1fffd92808b0 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -625,11 +625,10 @@ struct l2cap_conn {
 
 	struct delayed_work	info_timer;
 
-	spinlock_t		lock;
-
 	struct sk_buff		*rx_skb;
 	__u32			rx_len;
 	__u8			tx_ident;
+	struct mutex		ident_lock;
 
 	struct sk_buff_head	pending_rx;
 	struct work_struct	pending_rx_work;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 0c3c4935f635..8538cb07b0c0 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -798,14 +798,14 @@ static u8 l2cap_get_ident(struct l2cap_conn *conn)
 	 *  200 - 254 are used by utilities like l2ping, etc.
 	 */
 
-	spin_lock(&conn->lock);
+	mutex_lock(&conn->ident_lock);
 
 	if (++conn->tx_ident > 128)
 		conn->tx_ident = 1;
 
 	id = conn->tx_ident;
 
-	spin_unlock(&conn->lock);
+	mutex_unlock(&conn->ident_lock);
 
 	return id;
 }
@@ -7016,7 +7016,7 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)
 		conn->hs_enabled = test_bit(HCI_HS_ENABLED,
 					    &hcon->hdev->dev_flags);
 
-	spin_lock_init(&conn->lock);
+	mutex_init(&conn->ident_lock);
 	mutex_init(&conn->chan_lock);
 
 	INIT_LIST_HEAD(&conn->chan_l);