From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [PATCH 2/5] Xl interface change plus changes to
	code it impacts
Date: Thu, 10 Feb 2011 09:23:18 +0000
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> -static int validate_virtual_disk(libxl_ctx *ctx, char *file_name,
> libxl_disk_phystype disk_type)
> +static int validate_virtual_disk(libxl_ctx *ctx, char *file_name, 
> +    libxl_disk_backend backend_type, libxl_disk_format format)
>  {
>      struct stat stat_buf;
>  
> -    if ( (file_name[0] == '\0') && (disk_type == PHYSTYPE_EMPTY) )
> +    if ((file_name[0] == '\0') && (format == DISK_FORMAT_EMPTY))
>          return 0;

If format == DISK_FORMAT_EMPTY then does the content of file_name
matter?

Alternatively, if format == DISK_FORMAT_EMPTY then is file_name != ""
actually an error?

Ian.