Few corrections in driver code

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

cmd/iscsiplugin/main.go

@@ -33,12 +33,11 @@ var (
 )
 
 func init() {
-	flag.Set("logtostderr", "true")
+	flag.Set("logtostderr", "true") //nolint:errcheck
 }
 
 func main() {
-
-	flag.CommandLine.Parse([]string{})
+	flag.CommandLine.Parse([]string{}) //nolint:errcheck
 
 	cmd := &cobra.Command{
 		Use:   "iscsi.csi.k8s.io",
@@ -53,10 +52,16 @@ func main() {
 	cmd.Flags().AddGoFlagSet(flag.CommandLine)
 
 	cmd.PersistentFlags().StringVar(&nodeID, "nodeid", "", "node id")
-	cmd.MarkPersistentFlagRequired("nodeid")
+	err := cmd.MarkPersistentFlagRequired("nodeid")
+	if err != nil {
+		return
+	}
 
 	cmd.PersistentFlags().StringVar(&endpoint, "endpoint", "", "CSI endpoint")
-	cmd.MarkPersistentFlagRequired("endpoint")
+	err = cmd.MarkPersistentFlagRequired("endpoint")
+	if err != nil {
+		return
+	}
 
 	if err := cmd.Execute(); err != nil {
 		fmt.Fprintf(os.Stderr, "%s", err.Error())

pkg/iscsi/driver.go

@@ -29,7 +29,6 @@ type driver struct {
 	nodeID   string
 	version  string
 	endpoint string
-	ns       *nodeServer
 	cap      []*csi.VolumeCapability_AccessMode
 	cscap    []*csi.ControllerServiceCapability
 }
@@ -99,5 +98,4 @@ func (d *driver) AddControllerServiceCapabilities(cl []csi.ControllerServiceCapa
 
 	d.cscap = csc
 
-	return
 }

pkg/iscsi/server.go

@@ -53,8 +53,6 @@ func (s *nonBlockingGRPCServer) Start(endpoint string, ids csi.IdentityServer, c
 	s.wg.Add(1)
 
 	go s.serve(endpoint, ids, cs, ns)
-
-	return
 }
 
 func (s *nonBlockingGRPCServer) Wait() {