[PATCH] usb: bluetooth: get lock before calling usb_[disable|enable]_autosuspend()

[Salah Triki]

Based on the documentation of usb_[disable|enable]_autosuspend(), the
caller must hold udev's device lock.

Signed-off-by: Salah Triki <salah.triki@xxxxxxxxx>
---
 drivers/bluetooth/btusb.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a9855a2dd561..2ceb48164b6d 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1939,8 +1939,11 @@ static int btusb_setup_csr(struct hci_dev *hdev)
 
 			device_set_wakeup_capable(&data->udev->dev, false);
 			/* Re-enable autosuspend if this was requested */
-			if (enable_autosuspend)
+			if (enable_autosuspend) {
+				usb_lock_device(data->udev);
 				usb_enable_autosuspend(data->udev);
+				usb_unlock_device(data->udev);
+			}
 		}
 	}
 
-- 
2.25.1