diff --git a/sys/compat/linuxkpi/common/src/linuxkpi_usb.c b/sys/compat/linuxkpi/common/src/linuxkpi_usb.c
--- a/sys/compat/linuxkpi/common/src/linuxkpi_usb.c
+++ b/sys/compat/linuxkpi/common/src/linuxkpi_usb.c
@@ -1167,6 +1167,25 @@
 /* ---------------------------------------------------------------------------- */
 /* Internal helper functions for the native device interface. */
 
+static int
+lkpi_usb_fill_dev(device_t bsddev, struct device *dev, const char *name)
+{
+	int error;
+
+	error = kobject_init_and_add(&dev->kobj, &linux_dev_ktype,
+		&linux_root_device.kobj, name);
+	if (error != 0)
+		return (error);
+
+	dev->bsddev = bsddev;
+	dev->parent = &linux_root_device;
+
+	spin_lock_init(&dev->devres_lock);
+	INIT_LIST_HEAD(&dev->devres_head);
+
+	return (0);
+}
+
 /*
  * lkpi_usb_create_device()
  *
@@ -1188,8 +1207,7 @@
 	uint8_t pass;
 	uint8_t iface_no;
 
-	error = kobject_init_and_add(&udev->dev.kobj, &linux_dev_ktype,
-		&linux_root_device.kobj, device_get_nameunit(dev));
+	error = lkpi_usb_fill_dev(dev, &udev->dev, device_get_nameunit(dev));
 	if (error != 0)
 		return (error);
 
@@ -1270,11 +1288,9 @@
 						p_ui->cur_altsetting = p_uhi - 1;
 						p_ui->bsd_iface_index = iface_index;
 						p_ui->udev = udev;
-
-						error = kobject_init_and_add(&p_ui->dev.kobj, &linux_dev_ktype,
-							&linux_root_device.kobj, dev_name(&udev->dev));
+						error = lkpi_usb_fill_dev(p_ui->subdev,	/* XXX ? */
+						    &p_ui->dev, dev_name(&udev->dev));
 						WARN_ON(error != 0);
-						p_ui->dev.bsddev = p_ui->subdev;	/* XXX ? */
 
 						p_ui++;
 					}