if (klist_node_attached(&dev->knode_driver)) return;  
void device_bind_driver(struct device * dev){	pr_debug("bound device '%s' to driver '%s'\n",		 dev->bus_id, dev->driver->name);	klist_add_tail(&dev->knode_driver, &dev->driver->klist_devices);	sysfs_create_link(&dev->driver->kobj, &dev->kobj,			  kobject_name(&dev->kobj));	sysfs_create_link(&dev->kobj, &dev->driver->kobj, "driver");}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/4c898c7f2f286b204fefc5dddb568f755d195d0c/dd.c/buggy/drivers/base/dd.c