kobjects: fix up improper use of the kobject name field
A number of different drivers incorrect access the kobject name field
directly. This is not correct as the name might not be in the array.
Use the proper accessor function instead.
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e8f102e..acf1b81 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3076,8 +3076,7 @@
mddev->gendisk = disk;
mutex_unlock(&disks_mutex);
mddev->kobj.parent = &disk->kobj;
- mddev->kobj.k_name = NULL;
- snprintf(mddev->kobj.name, KOBJ_NAME_LEN, "%s", "md");
+ kobject_set_name(&mddev->kobj, "%s", "md");
mddev->kobj.ktype = &md_ktype;
if (kobject_register(&mddev->kobj))
printk(KERN_WARNING "md: cannot register %s/md - name in use\n",