mutex_lock(&minor_lock);
idev = idr_find(&uio_idr, iminor(inode));
- mutex_unlock(&minor_lock);
if (!idev) {
ret = -ENODEV;
+ mutex_unlock(&minor_lock);
goto out;
}
-
get_device(&idev->dev);
+ mutex_unlock(&minor_lock);
if (!try_module_get(idev->owner)) {
ret = -ENODEV;
wake_up_interruptible(&idev->wait);
kill_fasync(&idev->async_queue, SIGIO, POLL_HUP);
- device_unregister(&idev->dev);
-
uio_free_minor(minor);
+ device_unregister(&idev->dev);
return;
}