diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4fc62624a95e..683a7c461451 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3604,9 +3604,21 @@ void device_del(struct device *dev)
 	device_remove_properties(dev);
 	device_links_purge(dev);
 
+	/*
+	 * If a device does not have a driver attached, we need to clean
+	 * up any managed resources. We do this in device_release(), but
+	 * it's never called (and we leak the device) if a managed
+	 * resource holds a reference to the device. So release all
+	 * managed resources here, like we do in driver_detach(). We
+	 * still need to do so again in device_release() in case someone
+	 * adds a new resource after this point, though.
+	 */
+	devres_release_all(dev);
+
 	if (dev->bus)
 		blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
 					     BUS_NOTIFY_REMOVED_DEVICE, dev);
+
 	kobject_uevent(&dev->kobj, KOBJ_REMOVE);
 	glue_dir = get_glue_dir(dev);
 	kobject_del(&dev->kobj);