commit3d44a6fd07upstream. If setup() fails a reference for runtime PM has already been taken. Proper use of the error handling in btusb_open()is needed. You cannot just return. Fixes:ace3198258("Bluetooth: btusb: Add setup callback for chip init on USB") Signed-off-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>