if (!list_empty(&gdev->dev.node)) 
if (klist_node_attached(&gdev->dev.knode_bus)) 
__ccwgroup_get_gdev_by_cdev(struct ccw_device *cdev){	struct ccwgroup_device *gdev;	if (cdev->dev.driver_data) {		gdev = (struct ccwgroup_device *)cdev->dev.driver_data;		if (get_device(&gdev->dev)) {			if (!list_empty(&gdev->dev.node))				return gdev;			put_device(&gdev->dev);		}		return NULL;	}	return NULL;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/b0744bd2925a4a24865963322534107d2ad553f9/ccwgroup.c/clean/drivers/s390/cio/ccwgroup.c