[PATCH v2 1/3] Bluetooth: btusb: fix wakeup source leak on probe failure

[PATCH v2 1/3] Bluetooth: btusb: fix wakeup source leak on probe failure

[Johan Hovold]

Make sure to disable wakeup on probe failure to avoid leaking the wakeup
source.

Fixes: fd913ef7ce61 ("Bluetooth: btusb: Add out-of-band wakeup support")
Cc: stable@vger.kernel.org	# 4.11
Cc: Rajat Jain <rajatja@google.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/bluetooth/btusb.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 21e85c212506..9e4390ba82ba 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -4146,7 +4146,7 @@ static int btusb_probe(struct usb_interface *intf,
 	if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
 		err = marvell_config_oob_wake(hdev);
 		if (err)
-			goto out_free_dev;
+			goto err_disable_wakeup;
 	}
 #endif
 	if (id->driver_info & BTUSB_CW6622)
@@ -4183,7 +4183,7 @@ static int btusb_probe(struct usb_interface *intf,
 	if (id->driver_info & BTUSB_INTEL_COMBINED) {
 		err = btintel_configure_setup(hdev, btusb_driver.name);
 		if (err)
-			goto out_free_dev;
+			goto err_disable_wakeup;
 
 		/* Transport specific configuration */
 		hdev->send = btusb_send_frame_intel;
@@ -4346,7 +4346,7 @@ static int btusb_probe(struct usb_interface *intf,
 		err = usb_set_interface(data->udev, 0, 0);
 		if (err < 0) {
 			BT_ERR("failed to set interface 0, alt 0 %d", err);
-			goto out_free_dev;
+			goto err_disable_wakeup;
 		}
 	}
 
@@ -4354,7 +4354,7 @@ static int btusb_probe(struct usb_interface *intf,
 		err = usb_driver_claim_interface(&btusb_driver,
 						 data->isoc, data);
 		if (err < 0)
-			goto out_free_dev;
+			goto err_disable_wakeup;
 	}
 
 	if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
@@ -4372,7 +4372,7 @@ static int btusb_probe(struct usb_interface *intf,
 
 	err = hci_register_dev(hdev);
 	if (err < 0)
-		goto out_free_dev;
+		goto err_disable_wakeup;
 
 	usb_set_intfdata(intf, data);
 
@@ -4381,6 +4381,9 @@ static int btusb_probe(struct usb_interface *intf,
 
 	return 0;
 
+err_disable_wakeup:
+	if (data->oob_wake_irq)
+		device_init_wakeup(&data->udev->dev, false);
 out_free_dev:
 	if (data->reset_gpio)
 		gpiod_put(data->reset_gpio);
-- 
2.52.0