A driver's probe() may return a negative errno value to indicate that
the driver did not bind to this device, in which case it should have
-released all reasources it allocated.
+released all resources it allocated.
int (*remove) (struct device * dev);
~~~~~~~~~~
struct driver_attribute {
struct attribute attr;
- ssize_t (*show)(struct device_driver *, char * buf, size_t count, loff_t off);
- ssize_t (*store)(struct device_driver *, const char * buf, size_t count, loff_t off);
+ ssize_t (*show)(struct device_driver *driver, char *buf);
+ ssize_t (*store)(struct device_driver *, const char * buf, size_t count);
};
Device drivers can export attributes via their sysfs directories.