diff --git a/pkg/iscsi/iscsi.go b/pkg/iscsi/iscsi.go
index db20a48f..96647786 100644
--- a/pkg/iscsi/iscsi.go
+++ b/pkg/iscsi/iscsi.go
@@ -65,15 +65,15 @@ func getISCSIInfo(req *csi.NodePublishVolumeRequest) (*iscsiDisk, error) {
 	}
 
 	return &iscsiDisk{
-		VolName:        volName,
-		Portals:        bkportal,
-		Iqn:            iqn,
-		lun:            lun,
-		Iface:          iface,
-		chap_discovery: chapDiscovery,
-		chap_session:   chapSession,
-		secret:         secret,
-		InitiatorName:  initiatorName}, nil
+		VolName:       volName,
+		Portals:       bkportal,
+		Iqn:           iqn,
+		lun:           lun,
+		Iface:         iface,
+		chapDiscovery: chapDiscovery,
+		chapSession:   chapSession,
+		secret:        secret,
+		InitiatorName: initiatorName}, nil
 }
 
 func getISCSIDiskMounter(iscsiInfo *iscsiDisk, req *csi.NodePublishVolumeRequest) *iscsiDiskMounter {
@@ -119,15 +119,15 @@ func parseSecret(secretParams string) map[string]string {
 }
 
 type iscsiDisk struct {
-	Portals        []string
-	Iqn            string
-	lun            string
-	Iface          string
-	chap_discovery bool
-	chap_session   bool
-	secret         map[string]string
-	InitiatorName  string
-	VolName        string
+	Portals       []string
+	Iqn           string
+	lun           string
+	Iface         string
+	chapDiscovery bool
+	chapSession   bool
+	secret        map[string]string
+	InitiatorName string
+	VolName       string
 }
 
 type iscsiDiskMounter struct {
diff --git a/pkg/iscsi/iscsi_util.go b/pkg/iscsi/iscsi_util.go
index 03ce3d53..2dc18c78 100644
--- a/pkg/iscsi/iscsi_util.go
+++ b/pkg/iscsi/iscsi_util.go
@@ -32,12 +32,12 @@ import (
 )
 
 var (
-	chap_st = []string{
+	chapSt = []string{
 		"discovery.sendtargets.auth.username",
 		"discovery.sendtargets.auth.password",
 		"discovery.sendtargets.auth.username_in",
 		"discovery.sendtargets.auth.password_in"}
-	chap_sess = []string{
+	chapSess = []string{
 		"node.session.auth.username",
 		"node.session.auth.password",
 		"node.session.auth.username_in",
@@ -46,7 +46,7 @@ var (
 )
 
 func updateISCSIDiscoverydb(b iscsiDiskMounter, tp string) error {
-	if !b.chap_discovery {
+	if !b.chapDiscovery {
 		return nil
 	}
 	out, err := b.exec.Run("iscsiadm", "-m", "discoverydb", "-t", "sendtargets", "-p", tp, "-I", b.Iface, "-o", "update", "-n", "discovery.sendtargets.auth.authmethod", "-v", "CHAP")
@@ -54,7 +54,7 @@ func updateISCSIDiscoverydb(b iscsiDiskMounter, tp string) error {
 		return fmt.Errorf("iscsi: failed to update discoverydb with CHAP, output: %v", string(out))
 	}
 
-	for _, k := range chap_st {
+	for _, k := range chapSt {
 		v := b.secret[k]
 		if len(v) > 0 {
 			out, err := b.exec.Run("iscsiadm", "-m", "discoverydb", "-t", "sendtargets", "-p", tp, "-I", b.Iface, "-o", "update", "-n", k, "-v", v)
@@ -67,7 +67,7 @@ func updateISCSIDiscoverydb(b iscsiDiskMounter, tp string) error {
 }
 
 func updateISCSINode(b iscsiDiskMounter, tp string) error {
-	if !b.chap_session {
+	if !b.chapSession {
 		return nil
 	}
 
@@ -76,7 +76,7 @@ func updateISCSINode(b iscsiDiskMounter, tp string) error {
 		return fmt.Errorf("iscsi: failed to update node with CHAP, output: %v", string(out))
 	}
 
-	for _, k := range chap_sess {
+	for _, k := range chapSess {
 		v := b.secret[k]
 		if len(v) > 0 {
 			out, err := b.exec.Run("iscsiadm", "-m", "node", "-p", tp, "-T", b.Iqn, "-I", b.Iface, "-o", "update", "-n", k, "-v", v)
@@ -143,7 +143,7 @@ func (util *ISCSIUtil) persistISCSI(conf iscsiDisk, mnt string) error {
 	defer fp.Close()
 	encoder := json.NewEncoder(fp)
 	if err = encoder.Encode(conf); err != nil {
-		return fmt.Errorf("iscsi: encode err: %v.", err)
+		return fmt.Errorf("iscsi: encode err: %v", err)
 	}
 	return nil
 }
@@ -158,7 +158,7 @@ func (util *ISCSIUtil) loadISCSI(conf *iscsiDisk, mnt string) error {
 	defer fp.Close()
 	decoder := json.NewDecoder(fp)
 	if err = decoder.Decode(conf); err != nil {
-		return fmt.Errorf("iscsi: decode err: %v.", err)
+		return fmt.Errorf("iscsi: decode err: %v", err)
 	}
 	return nil
 }