diff --git a/drivers/base/core.c b/drivers/base/core.c
index 059966b..16d8599 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -109,6 +109,7 @@
 static void device_release(struct kobject *kobj)
 {
 	struct device *dev = to_dev(kobj);
+	struct device_private *p = dev->p;
 
 	if (dev->release)
 		dev->release(dev);
@@ -120,6 +121,7 @@
 		WARN(1, KERN_ERR "Device '%s' does not have a release() "
 			"function, it is broken and must be fixed.\n",
 			dev_name(dev));
+	kfree(p);
 }
 
 static struct kobj_type device_ktype = {
@@ -859,6 +861,13 @@
 	if (!dev)
 		goto done;
 
+	dev->p = kzalloc(sizeof(*dev->p), GFP_KERNEL);
+	if (!dev->p) {
+		error = -ENOMEM;
+		goto done;
+	}
+	dev->p->device = dev;
+
 	/*
 	 * for statically allocated devices, which should all be converted
 	 * some day, we need to initialize the name. We prevent reading back