Driver core: change sysdev classes to use dynamic kobject names

All kobjects require a dynamically allocated name now. We no longer
need to keep track if the name is statically assigned, we can just
unconditionally free() all kobject names on cleanup.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 61fd26c..b962a76 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -466,7 +466,6 @@
  * entirely soon.
  */
 static struct kset class_obj_subsys = {
-	.kobj = { .k_name = "class_obj", },
 	.uevent_ops = &class_uevent_ops,
 };
 
@@ -872,6 +871,7 @@
 	/* ick, this is ugly, the things we go through to keep from showing up
 	 * in sysfs... */
 	kset_init(&class_obj_subsys);
+	kobject_set_name(&class_obj_subsys.kobj, "class_obj");
 	if (!class_obj_subsys.kobj.parent)
 		class_obj_subsys.kobj.parent = &class_obj_subsys.kobj;
 	return 0;