diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 0132e7dcf..3777f82d6 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -137,16 +137,26 @@ EXPORT_SYMBOL(register_device);
 
 int unregister_device(struct device_d *old_dev)
 {
-	debug("unregister_device: %s\n", dev_name(old_dev));
+	struct cdev *cdev, *ct;
+	struct device_d *child, *dt;
 
-	if (!list_empty(&old_dev->children)) {
-		errno = -EBUSY;
-		return errno;
-	}
+	dev_dbg(old_dev, "unregister\n");
 
 	if (old_dev->driver)
 		old_dev->bus->remove(old_dev);
 
+	list_for_each_entry_safe(child, dt, &old_dev->children, sibling) {
+		dev_dbg(old_dev, "unregister child %s\n", dev_name(child));
+		unregister_device(child);
+	}
+
+	list_for_each_entry_safe(cdev, ct, &old_dev->cdevs, devices_list) {
+		if (cdev->flags & DEVFS_IS_PARTITION) {
+			dev_dbg(old_dev, "unregister part %s\n", cdev->name);
+			devfs_del_partition(cdev->name);
+		}
+	}
+
 	list_del(&old_dev->list);
 	list_del(&old_dev->active);