[libvirt] [PATCH] qemu: Forbid specify target path for disk vol

[Daniel P. Berrange]

On Mon, Oct 24, 2011 at 07:49:18PM +0800, Osier Yang wrote:
> target path for disk vol is just meaningless, and it's never used
> but free()ed silently when creating the volume.
> ---
>  src/conf/storage_conf.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c
> index e893b2d..5f4f264 100644
> --- a/src/conf/storage_conf.c
> +++ b/src/conf/storage_conf.c
> @@ -1052,6 +1052,12 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
>      }
>  
>      ret->target.path = virXPathString("string(./target/path)", ctxt);
> +    if (ret->target.path && (pool->type == VIR_STORAGE_POOL_DISK)) {

Encoding a specific pool type here is wrong. The parser determines what
is valid from the 'virStoragePoolTypeInfo' data tables

> +        virStorageReportError(VIR_ERR_XML_ERROR, "%s",
> +                              _("target path for disk vol is just meaningless"));
> +        goto cleanup;
> +    }
> +
>      if (options->formatFromString) {
>          char *format = virXPathString("string(./target/format/@type)", ctxt);
>          if (format == NULL)


Daniel
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