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