eeepc-laptop: clean up control flow in *_rfkill_notifier

Handle errors immediately in eeepc_register_rfkill_notifier and
eeepc_unregister_rfkill_notifier. This clears up the control flow for the
reader. It also removes unnecessary indentation.
Signed-off-by: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>

drivers/platform/x86/eeepc-laptop.c

@@ -668,7 +668,9 @@ static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc,
 
 	status = acpi_get_handle(NULL, node, &handle);
 
-	if (ACPI_SUCCESS(status)) {
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+
 	status = acpi_install_notify_handler(handle,
 					     ACPI_SYSTEM_NOTIFY,
 					     eeepc_rfkill_notify,
@@ -681,10 +683,6 @@ static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc,
 	 * changed during setup.
 	 */
 	eeepc_rfkill_hotplug(eeepc, handle);
-	} else {
-		return -ENODEV;
-	}
-
 	return 0;
 }
 
@@ -696,7 +694,9 @@ static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc,
 
 	status = acpi_get_handle(NULL, node, &handle);
 
-	if (ACPI_SUCCESS(status)) {
+	if (ACPI_FAILURE(status))
+		return;
+
 	status = acpi_remove_notify_handler(handle,
 					     ACPI_SYSTEM_NOTIFY,
 					     eeepc_rfkill_notify);
@@ -709,7 +709,6 @@ static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc,
 		 * eeepc_unregister_rfkill_notifier()
 		 */
 	eeepc_rfkill_hotplug(eeepc, handle);
-	}
 }
 
 static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot,