      }
  
    }
  
    visionstream_destroy(&stream);
  
    dmonitoring_free(&dmonitoringmodel);
  
    return 0;
  }
 
</s> remove 
 </s> add     visionstream_destroy(&stream); </s> remove   visionstream_destroy(&stream);

 </s> add  </s> remove         visionstream_destroy(&stream);
 </s> add  </s> remove         visionstream_destroy(&stream);
 </s> add 
      }
  
    }
  


    dmonitoring_free(&dmonitoringmodel);
  
    return 0;
  }
keep keep keep keep replace replace keep keep keep keep
 fix bug that visionstream_destroy may be called twice (#1999) 
selfdrive/modeld/dmonitoringmodeld.cc