Currently, gadget can't be NULL in _gadget_stop_activity().
Signed-off-by: NAlexander Shishkin <alexander.shishkin@linux.intel.com>
Reported-by: NMichael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>