}
if (index == 0) {
- printk("register_blkdev: failed to get major for %s\n",
- name);
+ printk("%s: failed to get major for %s\n",
+ __func__, name);
ret = -EBUSY;
goto out;
}
}
if (major >= BLKDEV_MAJOR_MAX) {
- pr_err("register_blkdev: major requested (%u) is greater than the maximum (%u) for %s\n",
- major, BLKDEV_MAJOR_MAX-1, name);
+ pr_err("%s: major requested (%u) is greater than the maximum (%u) for %s\n",
+ __func__, major, BLKDEV_MAJOR_MAX-1, name);
ret = -EINVAL;
goto out;
kobject_uevent(&part_to_dev(part)->kobj, KOBJ_ADD);
disk_part_iter_exit(&piter);
- err = sysfs_create_link(&ddev->kobj,
- &disk->queue->backing_dev_info->dev->kobj,
- "bdi");
- WARN_ON(err);
+ if (disk->queue->backing_dev_info->dev) {
+ err = sysfs_create_link(&ddev->kobj,
+ &disk->queue->backing_dev_info->dev->kobj,
+ "bdi");
+ WARN_ON(err);
+ }
}
/**