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>

drivers/acpi/pci_link.c

@@ -911,7 +911,7 @@ __setup("acpi_irq_balance", acpi_irq_balance_set);
 
 /* FIXME: we will remove this interface after all drivers call pci_disable_device */
 static struct sysdev_class irqrouter_sysdev_class = {
-	set_kset_name("irqrouter"),
+	.name = "irqrouter",
 	.resume = irqrouter_resume,
 };