Process stop detection

main.go

@@ -196,7 +196,8 @@ func (d ofsDriver) Mount(r *volume.MountRequest) (*volume.MountResponse, error)
 		// to initially connect. So we just wait a fixed amount of time and check for process exit.
 		time.Sleep(1 * time.Second)
 		log.WithFields(log.Fields{"name": r.Name}).Info("Process started")
-		if cmd.ProcessState.Exited() {
+		if cmd.ProcessState != nil {
+			// The process has exited so consider an error occured
 			log.WithFields(log.Fields{"name": r.Name, "exitStatus": cmd.ProcessState.ExitCode()}).Error("Volume mount failed")
 			return &volume.MountResponse{}, fmt.Errorf("unexpected error mounting '%s' exist status: %v", r.Name, cmd.ProcessState.ExitCode())
 		}