Simplifying the error code paths.
We need to keep wacom_destroy_battery() around for now as the wireless
module and the remotes are using it to dynamically remove the battery
supply on disconnect.
Signed-off-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: NPing Cheng <pingc@wacom.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>