--- zzzz-none-000/linux-2.6.32.61/drivers/acpi/processor_idle.c	2013-06-10 09:43:48.000000000 +0000
+++ ar9-7330-650/linux-2.6.32.61/drivers/acpi/processor_idle.c	2010-09-02 10:10:37.000000000 +0000
@@ -1071,9 +1071,6 @@
 		return -EINVAL;
 	}
 
-	if (!dev)
-		return -EINVAL;
-
 	dev->cpu = pr->id;
 	for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
 		dev->states[i].name[0] = '\0';