diff --git a/xCAT-server/lib/xcat/plugins/slpdiscover.pm b/xCAT-server/lib/xcat/plugins/slpdiscover.pm
index 2ab09a0e2..92b830bae 100644
--- a/xCAT-server/lib/xcat/plugins/slpdiscover.pm
+++ b/xCAT-server/lib/xcat/plugins/slpdiscover.pm
@@ -276,5 +276,6 @@ sub do_blade_setup {
 			sendmsg([$result->[0],$result->[2]],$callback,$nodename);
 		}
 	}
+	return $rc;
 }
 1;