From 5dd53bf73139fcadda992dcd747fd8810559bb11 Mon Sep 17 00:00:00 2001
From: Tao Jiang <taoj@vmware.com>
Date: Thu, 30 Jan 2020 20:06:03 -0600
Subject: [PATCH] Add nil check before shutdown (#68)

Signed-off-by: Tao Jiang <taoj@vmware.com>
---
 clientlibrary/worker/worker.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clientlibrary/worker/worker.go b/clientlibrary/worker/worker.go
index e7efa66..6d054fd 100644
--- a/clientlibrary/worker/worker.go
+++ b/clientlibrary/worker/worker.go
@@ -136,7 +136,7 @@ func (w *Worker) Shutdown() {
 	log := w.kclConfig.Logger
 	log.Infof("Worker shutdown in requested.")
 
-	if w.done {
+	if w.done || w.stop == nil {
 		return
 	}