diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index b2c292a66218b8b6637a51e8bc8ff9df769b03cb..baac4ad5e68eda7916ead4c014e5872226e803fd 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -341,6 +341,19 @@ static struct platform_driver uml_net_driver = {
 };
 static int driver_registered;
 
+static void net_device_release(struct device *dev)
+{
+	struct uml_net *device = dev->driver_data;
+	struct net_device *netdev = device->dev;
+	struct uml_net_private *lp = netdev->priv;
+
+	if(lp->remove != NULL)
+		(*lp->remove)(&lp->user);
+	list_del(&device->list);
+	kfree(device);
+	free_netdev(netdev);
+}
+
 static void eth_configure(int n, void *init, char *mac,
 			  struct transport *transport)
 {
@@ -396,6 +409,8 @@ static void eth_configure(int n, void *init, char *mac,
 	}
 	device->pdev.id = n;
 	device->pdev.name = DRIVER_NAME;
+	device->pdev.dev.release = net_device_release;
+	device->pdev.dev.driver_data = device;
 	if(platform_device_register(&device->pdev))
 		goto out_free_netdev;
 	SET_NETDEV_DEV(dev,&device->pdev.dev);
@@ -689,13 +704,9 @@ static int net_remove(int n, char **error_out)
 	lp = dev->priv;
 	if(lp->fd > 0)
 		return -EBUSY;
-	if(lp->remove != NULL) (*lp->remove)(&lp->user);
 	unregister_netdev(dev);
 	platform_device_unregister(&device->pdev);
 
-	list_del(&device->list);
-	kfree(device);
-	free_netdev(dev);
 	return 0;
 }
 
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 962b8fb35f802a49b88ba2ab62f4120e574f1a79..83189e188c3f21f6f3eabc011f6dfb91cd38b74e 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -622,6 +622,14 @@ static int ubd_open_dev(struct ubd *ubd_dev)
 	return(err);
 }
 
+static void ubd_device_release(struct device *dev)
+{
+	struct ubd *ubd_dev = dev->driver_data;
+
+	blk_cleanup_queue(ubd_dev->queue);
+	*ubd_dev = ((struct ubd) DEFAULT_UBD);
+}
+
 static int ubd_disk_register(int major, u64 size, int unit,
 			     struct gendisk **disk_out)
 {
@@ -644,6 +652,8 @@ static int ubd_disk_register(int major, u64 size, int unit,
 	if (major == MAJOR_NR) {
 		ubd_devs[unit].pdev.id   = unit;
 		ubd_devs[unit].pdev.name = DRIVER_NAME;
+		ubd_devs[unit].pdev.dev.release = ubd_device_release;
+		ubd_devs[unit].pdev.dev.driver_data = &ubd_devs[unit];
 		platform_device_register(&ubd_devs[unit].pdev);
 		disk->driverfs_dev = &ubd_devs[unit].pdev.dev;
 	}
@@ -787,7 +797,7 @@ static int ubd_id(char **str, int *start_out, int *end_out)
 
 static int ubd_remove(int n, char **error_out)
 {
-	struct gendisk *disk;
+	struct gendisk *disk = ubd_gendisk[n];
 	struct ubd *ubd_dev;
 	int err = -ENODEV;
 
@@ -803,7 +813,6 @@ static int ubd_remove(int n, char **error_out)
 	if(ubd_dev->count > 0)
 		goto out;
 
- 	disk = ubd_gendisk[n];
  	ubd_gendisk[n] = NULL;
 	if(disk != NULL){
 		del_gendisk(disk);
@@ -816,10 +825,8 @@ static int ubd_remove(int n, char **error_out)
 		fake_gendisk[n] = NULL;
 	}
 
-	blk_cleanup_queue(ubd_dev->queue);
-	platform_device_unregister(&ubd_dev->pdev);
-	*ubd_dev = ((struct ubd) DEFAULT_UBD);
 	err = 0;
+	platform_device_unregister(&ubd_dev->pdev);
 out:
 	mutex_unlock(&ubd_lock);
 	return err;