/* kernel glue structures */
-static struct file_operations pg_fops = {
+static const struct file_operations pg_fops = {
.owner = THIS_MODULE,
.read = pg_read,
.write = pg_write,
int err;
if (disable){
- err = -1;
+ err = -EINVAL;
goto out;
}
pg_init_units();
if (pg_detect()) {
- err = -1;
+ err = -ENODEV;
goto out;
}
for (unit = 0; unit < PG_UNITS; unit++) {
struct pg *dev = &devices[unit];
if (dev->present)
- class_device_create(pg_class, NULL, MKDEV(major, unit),
- NULL, "pg%u", unit);
+ device_create(pg_class, NULL, MKDEV(major, unit),
+ "pg%u", unit);
}
err = 0;
goto out;
for (unit = 0; unit < PG_UNITS; unit++) {
struct pg *dev = &devices[unit];
if (dev->present)
- class_device_destroy(pg_class, MKDEV(major, unit));
+ device_destroy(pg_class, MKDEV(major, unit));
}
class_destroy(pg_class);
unregister_chrdev(major, name);