From f4bf0d717d3a847625845f1a5368a47ad91e20a9 Mon Sep 17 00:00:00 2001
From: zhengshuyuan <soyoo@aliyun.com>
Date: Sat, 9 Jan 2021 10:30:16 +0800
Subject: [PATCH] modbus-go: fix logical exceptions

Copy the PR from kubeedge/mappers/modbus-go, modbus-go: fix logical exceptions #2456.
---
 pkg/modbus/config.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pkg/modbus/config.go b/pkg/modbus/config.go
index 89474504..82ca2e2c 100644
--- a/pkg/modbus/config.go
+++ b/pkg/modbus/config.go
@@ -77,8 +77,7 @@ func (c *Config) parseFlags() error {
 	pflag.StringVar(&c.Mqtt.PrivateKey, "mqtt-priviatekey", c.Mqtt.PrivateKey, "private key file path")
 	pflag.Parse()
 
-	if (c.Mqtt.Cert != "" && c.Mqtt.PrivateKey == "") ||
-		(c.Mqtt.Cert == "" && c.Mqtt.PrivateKey != "") {
+	if c.Mqtt.Cert == "" || c.Mqtt.PrivateKey == "" {
 		return ErrConfigCert
 	}
 	return nil