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/kernel/rtmutex-tester.c b/kernel/rtmutex-tester.c
index e3055ba..092e4c6 100644
--- a/kernel/rtmutex-tester.c
+++ b/kernel/rtmutex-tester.c
@@ -394,7 +394,7 @@
 static SYSDEV_ATTR(command, 0600, NULL, sysfs_test_command);
 
 static struct sysdev_class rttest_sysclass = {
-	set_kset_name("rttest"),
+	.name = "rttest",
 };
 
 static int init_test_thread(int id)