[libvirt] [PATCH] conf: eliminate redundat VIR_ALLOC of first element of hosts.

[Daniel Veillard]

On Thu, Aug 11, 2011 at 12:15:03AM -0400, Laine Stump wrote:
> virNetworkDNSHostsDefParseXML was calling VIR_ALLOC(def->hosts) if
> def->nhosts was 0. This is a waste of time, though, since
> VIR_REALLOC_N is called a few lines further down, prior to any use of
> def->hosts.
> ---
>  src/conf/network_conf.c |    8 --------
>  1 files changed, 0 insertions(+), 8 deletions(-)
> 
> diff --git a/src/conf/network_conf.c b/src/conf/network_conf.c
> index e055094..109739f 100644
> --- a/src/conf/network_conf.c
> +++ b/src/conf/network_conf.c
> @@ -495,14 +495,6 @@ virNetworkDNSHostsDefParseXML(virNetworkDNSDefPtr def,
>      virSocketAddr inaddr;
>      int ret = -1;
>  
> -    if (def->hosts == NULL) {
> -        if (VIR_ALLOC(def->hosts) < 0) {
> -            virReportOOMError();
> -            goto error;
> -        }
> -        def->nhosts = 0;
> -    }
> -
>      if (!(ip = virXMLPropString(node, "ip")) ||
>          (virSocketParseAddr(ip, &inaddr, AF_UNSPEC) < 0)) {
>          virNetworkReportError(VIR_ERR_XML_DETAIL,

  But that allowed to make sure that def->nhosts was initialized in that
case and that's used later. Maybe just remove the
  if (VIR_ALLOC(def->hosts) < 0) {
  ...
  }

block ?

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
daniel at veillard.com  | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library  http://libvirt.org/