Use devm_kzalloc() instead of kzalloc() in order to be free
automatically. This makes cleanup paths more simple.
Signed-off-by: NSangjung Woo <sangjung.woo@samsung.com>
Acked-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>