- atomic_dec(&dev->refcnt);
-
- if ((atomic_read(&dev->refcnt) == 1) &&
- test_bit(ATM_DF_CLOSE,&dev->flags))
- shutdown_atm_dev(dev);
+ if (atomic_dec_and_test(&dev->refcnt)) {
+ BUG_ON(!test_bit(ATM_DF_REMOVED, &dev->flags));
+ if (dev->ops->dev_close)
+ dev->ops->dev_close(dev);
+ class_device_put(&dev->class_dev);
+ }