eeepc-laptop: Check return values from rfkill_register

Error out if rfkill registration fails, and also set the default system state
appropriately on boot

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/platform/x86/eeepc-laptop.c

@@ -562,7 +562,7 @@ static int eeepc_hotk_add(struct acpi_device *device)
 	ehotk->device = device;
 	result = eeepc_hotk_check();
 	if (result)
-		goto end;
+		goto ehotk_fail;
 	status = acpi_install_notify_handler(ehotk->handle, ACPI_SYSTEM_NOTIFY,
 					     eeepc_hotk_notify, ehotk);
 	if (ACPI_FAILURE(status))
@@ -573,46 +573,69 @@ static int eeepc_hotk_add(struct acpi_device *device)
 							   RFKILL_TYPE_WLAN);
 
 		if (!ehotk->eeepc_wlan_rfkill)
-			goto end;
+			goto wlan_fail;
 
 		ehotk->eeepc_wlan_rfkill->name = "eeepc-wlan";
 		ehotk->eeepc_wlan_rfkill->toggle_radio = eeepc_wlan_rfkill_set;
 		ehotk->eeepc_wlan_rfkill->get_state = eeepc_wlan_rfkill_state;
-		if (get_acpi(CM_ASL_WLAN) == 1)
+		if (get_acpi(CM_ASL_WLAN) == 1) {
 			ehotk->eeepc_wlan_rfkill->state =
 				RFKILL_STATE_UNBLOCKED;
-		else
+			rfkill_set_default(RFKILL_TYPE_WLAN,
+					   RFKILL_STATE_UNBLOCKED);
+		} else {
 			ehotk->eeepc_wlan_rfkill->state =
 				RFKILL_STATE_SOFT_BLOCKED;
-		rfkill_register(ehotk->eeepc_wlan_rfkill);
+			rfkill_set_default(RFKILL_TYPE_WLAN,
+					   RFKILL_STATE_SOFT_BLOCKED);
+		}
+		result = rfkill_register(ehotk->eeepc_wlan_rfkill);
+		if (result)
+			goto wlan_fail;
 	}
 
 	if (get_acpi(CM_ASL_BLUETOOTH) != -1) {
 		ehotk->eeepc_bluetooth_rfkill =
 			rfkill_allocate(&device->dev, RFKILL_TYPE_BLUETOOTH);
 
 		if (!ehotk->eeepc_bluetooth_rfkill)
-			goto end;
+			goto bluetooth_fail;
 
 		ehotk->eeepc_bluetooth_rfkill->name = "eeepc-bluetooth";
 		ehotk->eeepc_bluetooth_rfkill->toggle_radio =
 			eeepc_bluetooth_rfkill_set;
 		ehotk->eeepc_bluetooth_rfkill->get_state =
 			eeepc_bluetooth_rfkill_state;
-		if (get_acpi(CM_ASL_BLUETOOTH) == 1)
+		if (get_acpi(CM_ASL_BLUETOOTH) == 1) {
 			ehotk->eeepc_bluetooth_rfkill->state =
 				RFKILL_STATE_UNBLOCKED;
-		else
+			rfkill_set_default(RFKILL_TYPE_BLUETOOTH,
+					   RFKILL_STATE_UNBLOCKED);
+		} else {
 			ehotk->eeepc_bluetooth_rfkill->state =
 				RFKILL_STATE_SOFT_BLOCKED;
-		rfkill_register(ehotk->eeepc_bluetooth_rfkill);
-	}
+			rfkill_set_default(RFKILL_TYPE_BLUETOOTH,
+					   RFKILL_STATE_SOFT_BLOCKED);
+		}
 
- end:
-	if (result) {
-		kfree(ehotk);
-		ehotk = NULL;
+		result = rfkill_register(ehotk->eeepc_bluetooth_rfkill);
+		if (result)
+			goto bluetooth_fail;
 	}
+	return 0;
+
+ bluetooth_fail:
+	if (ehotk->eeepc_bluetooth_rfkill)
+		rfkill_free(ehotk->eeepc_bluetooth_rfkill);
+	rfkill_unregister(ehotk->eeepc_wlan_rfkill);
+	ehotk->eeepc_wlan_rfkill = NULL;
+ wlan_fail:
+	if (ehotk->eeepc_wlan_rfkill)
+		rfkill_free(ehotk->eeepc_wlan_rfkill);
+ ehotk_fail:
+	kfree(ehotk);
+	ehotk = NULL;
+
 	return result;
 }