The v4l2_of_parse_endpoint() function can fail so check the return value.
Signed-off-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Acked-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>