Revision 1cb6f506

b/block.c
889 889 
    }
890 890 

  		





  891
  891
  
    
    bs->open_flags &= ~BDRV_O_NO_BACKING;


  		





  892
  
  
    
    if (bs->backing_file[0] == '\0' && qdict_size(options) == 0) {


  		





  
  892
  
    
    if (qdict_haskey(options, "file.filename")) {


  		





  
  893
  
    
        backing_filename[0] = '\0';


  		





  
  894
  
    
    } else if (bs->backing_file[0] == '\0' && qdict_size(options) == 0) {


  		





  893
  895
  
    
        QDECREF(options);


  		





  894
  896
  
    
        return 0;


  		





  895
  897
  
    
    }


  		












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