HID: logitech-dj: fix return value of logi_dj_recv_query_hidpp_devices

We should return 'retval' as the correct return value
instead of always zero.

Fixes: 74808f9 ("HID: logitech-dj: add support for non unifying receivers")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

drivers/hid/hid-logitech-dj.c

@@ -1133,7 +1133,7 @@ static int logi_dj_recv_query_hidpp_devices(struct dj_receiver_dev *djrcv_dev)
 				    HID_REQ_SET_REPORT);
 
 	kfree(hidpp_report);
-	return 0;
+	return retval;
 }
 
 static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)