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Re: [libvirt] [PATCH] nwfilter: prevent multiple filters with different name but same UUID



On Thu, Oct 14, 2010 at 11:20:15AM -0400, Stefan Berger wrote:
>  Patch to prevent multiple nwfilters with different name but same UUID.
> 
> Signed-off-by: Stefan Berger <stefanb us ibm com>
> 
> ---
>  src/conf/nwfilter_conf.c |   14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> Index: libvirt-acl/src/conf/nwfilter_conf.c
> ===================================================================
> --- libvirt-acl.orig/src/conf/nwfilter_conf.c
> +++ libvirt-acl/src/conf/nwfilter_conf.c
> @@ -2399,6 +2399,20 @@ virNWFilterPoolObjAssignDef(virConnectPt
>  {
>      virNWFilterPoolObjPtr pool;
> 
> +    pool = virNWFilterPoolObjFindByUUID(pools, def->uuid);
> +
> +    if (pool) {
> +        if (!STREQ(def->name, pool->def->name)) {
> +            virNWFilterReportError(VIR_ERR_INVALID_NWFILTER,
> +                               _("filter with same UUID but different 
> name "
> +                                 "('%s') already exists"),
> +                               pool->def->name);
> +            virNWFilterPoolObjUnlock(pool);
> +            return NULL;
> +        }
> +        virNWFilterPoolObjUnlock(pool);
> +    }
> +
>      if (virNWFilterDefLoopDetect(conn, pools, def)) {
>          virNWFilterReportError(VIR_ERR_INVALID_NWFILTER,
>                                "%s", _("filter would introduce a loop"));
> 

ACK

Daniel
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