media: Remove useless curly braces and parentheses

Simplify the code to satisfy Linux coding style.
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: NHans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/media-device.c

@@ -591,9 +591,8 @@ int __must_check media_device_register_entity(struct media_device *mdev,
 			       &entity->pads[i].graph_obj);
 
 	/* invoke entity_notify callbacks */
-	list_for_each_entry_safe(notify, next, &mdev->entity_notify, list) {
-		(notify)->notify(entity, notify->notify_data);
-	}
+	list_for_each_entry_safe(notify, next, &mdev->entity_notify, list)
+		notify->notify(entity, notify->notify_data);
 
 	if (mdev->entity_internal_idx_max
 	    >= mdev->pm_count_walk.ent_enum.idx_max) {