if (get_driver(driver)) { if (dattr->store) ret = dattr->store(driver, buf, count); put_driver(driver); } 
if (!get_driver(driver)) return -ENODEV;  ret = dattr->store ? dattr->store(driver, buf, count) : -EIO;  put_driver(driver); 
pci_driver_attr_store(struct kobject * kobj, struct attribute *attr,		      const char *buf, size_t count){	struct device_driver *driver = kobj_to_pci_driver(kobj);	struct driver_attribute *dattr = attr_to_driver_attribute(attr);	ssize_t ret = 0;	if (get_driver(driver)) {		if (dattr->store)			ret = dattr->store(driver, buf, count);		put_driver(driver);	}	return ret;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/fc7e4828995d8c9e4c9597f8a19179e4ab53f73e/pci-driver.c/buggy/drivers/pci/pci-driver.c