wblock->char_dev.mode = 0444;
                ret = misc_register(&wblock->char_dev);
                if (ret) {
-                       dev_warn(dev, "failed to register char dev: %d", ret);
+                       dev_warn(dev, "failed to register char dev: %d\n", ret);
                        ret = -ENOMEM;
                        goto probe_misc_failure;
                }
 
        if (result) {
                dev_warn(wmi_bus_dev,
-                        "%s data block query control method not found",
+                        "%s data block query control method not found\n",
                         method);
                return result;
        }
 
                retval = device_add(&wblock->dev.dev);
                if (retval) {
-                       dev_err(wmi_bus_dev, "failed to register %pULL\n",
+                       dev_err(wmi_bus_dev, "failed to register %pUL\n",
                                wblock->gblock.guid);
                        if (debug_event)
                                wmi_method_enable(wblock, 0);