Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth

Johan Hedberg says:

====================
pull request: bluetooth 2019-09-05

Here are a few more Bluetooth fixes for 5.3. I hope they can still make
it. There's one USB ID addition for btusb, two reverts due to discovered
regressions, and two other important fixes.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/bluetooth/bpa10x.c

@@ -337,7 +337,7 @@ static int bpa10x_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 
 	usb_free_urb(urb);
 
-	return 0;
+	return err;
 }
 
 static int bpa10x_set_diag(struct hci_dev *hdev, bool enable)

drivers/bluetooth/btusb.c

@@ -384,6 +384,9 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
 	{ USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
 
+	/* Additional Realtek 8822CE Bluetooth devices */
+	{ USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK },
+
 	/* Silicon Wave based devices */
 	{ USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
 
@@ -1170,10 +1173,6 @@ static int btusb_open(struct hci_dev *hdev)
 	}
 
 	data->intf->needs_remote_wakeup = 1;
-	/* device specific wakeup source enabled and required for USB
-	 * remote wakeup while host is suspended
-	 */
-	device_wakeup_enable(&data->udev->dev);
 
 	if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
 		goto done;
@@ -1238,7 +1237,6 @@ static int btusb_close(struct hci_dev *hdev)
 		goto failed;
 
 	data->intf->needs_remote_wakeup = 0;
-	device_wakeup_disable(&data->udev->dev);
 	usb_autopm_put_interface(data->intf);
 
 failed:

drivers/bluetooth/hci_qca.c

@@ -309,13 +309,14 @@ static void qca_wq_awake_device(struct work_struct *work)
 					    ws_awake_device);
 	struct hci_uart *hu = qca->hu;
 	unsigned long retrans_delay;
+	unsigned long flags;
 
 	BT_DBG("hu %p wq awake device", hu);
 
 	/* Vote for serial clock */
 	serial_clock_vote(HCI_IBS_TX_VOTE_CLOCK_ON, hu);
 
-	spin_lock(&qca->hci_ibs_lock);
+	spin_lock_irqsave(&qca->hci_ibs_lock, flags);
 
 	/* Send wake indication to device */
 	if (send_hci_ibs_cmd(HCI_IBS_WAKE_IND, hu) < 0)
@@ -327,7 +328,7 @@ static void qca_wq_awake_device(struct work_struct *work)
 	retrans_delay = msecs_to_jiffies(qca->wake_retrans);
 	mod_timer(&qca->wake_retrans_timer, jiffies + retrans_delay);
 
-	spin_unlock(&qca->hci_ibs_lock);
+	spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
 
 	/* Actually send the packets */
 	hci_uart_tx_wakeup(hu);
@@ -338,12 +339,13 @@ static void qca_wq_awake_rx(struct work_struct *work)
 	struct qca_data *qca = container_of(work, struct qca_data,
 					    ws_awake_rx);
 	struct hci_uart *hu = qca->hu;
+	unsigned long flags;
 
 	BT_DBG("hu %p wq awake rx", hu);
 
 	serial_clock_vote(HCI_IBS_RX_VOTE_CLOCK_ON, hu);
 
-	spin_lock(&qca->hci_ibs_lock);
+	spin_lock_irqsave(&qca->hci_ibs_lock, flags);
 	qca->rx_ibs_state = HCI_IBS_RX_AWAKE;
 
 	/* Always acknowledge device wake up,
@@ -354,7 +356,7 @@ static void qca_wq_awake_rx(struct work_struct *work)
 
 	qca->ibs_sent_wacks++;
 
-	spin_unlock(&qca->hci_ibs_lock);
+	spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
 
 	/* Actually send the packets */
 	hci_uart_tx_wakeup(hu);

net/bluetooth/hci_event.c

@@ -5660,11 +5660,6 @@ static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
 		return send_conn_param_neg_reply(hdev, handle,
 						 HCI_ERROR_UNKNOWN_CONN_ID);
 
-	if (min < hcon->le_conn_min_interval ||
-	    max > hcon->le_conn_max_interval)
-		return send_conn_param_neg_reply(hdev, handle,
-						 HCI_ERROR_INVALID_LL_PARAMS);
-
 	if (hci_check_conn_params(min, max, latency, timeout))
 		return send_conn_param_neg_reply(hdev, handle,
 						 HCI_ERROR_INVALID_LL_PARAMS);

net/bluetooth/l2cap_core.c

@@ -5305,14 +5305,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 
 	memset(&rsp, 0, sizeof(rsp));
 
-	if (min < hcon->le_conn_min_interval ||
-	    max > hcon->le_conn_max_interval) {
-		BT_DBG("requested connection interval exceeds current bounds.");
-		err = -EINVAL;
-	} else {
-		err = hci_check_conn_params(min, max, latency, to_multiplier);
-	}
-
+	err = hci_check_conn_params(min, max, latency, to_multiplier);
 	if (err)
 		rsp.result = cpu_to_le16(L2CAP_CONN_PARAM_REJECTED);
 	else