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/include/linux/sysdev.h b/include/linux/sysdev.h
index e2857465..f752e73 100644
--- a/include/linux/sysdev.h
+++ b/include/linux/sysdev.h
@@ -29,6 +29,7 @@
 struct sys_device;
 
 struct sysdev_class {
+	const char *name;
 	struct list_head	drivers;
 
 	/* Default operations for these types of devices */