[libvirt] [PATCH] virNWFilterDefParseXML: avoid leak on error paths

[Stefan Berger]

On Tue, 2010-05-18 at 12:09 +0200, Jim Meyering wrote:

> 
> Hence, the lack of anything to free "ret" when this function returns
> NULL constitutes a leak.
> 
> Here's the patch:
> 
> >From 4c13990a15b33f03595d58b46b6e34e03bfffa65 Mon Sep 17 00:00:00 2001
> From: Jim Meyering <meyering at redhat.com>
> Date: Tue, 18 May 2010 12:05:53 +0200
> Subject: [PATCH] virNWFilterDefParseXML: avoid leak on error paths
> 
> * src/conf/nwfilter_conf.c (virNWFilterDefParseXML): Also free "ret"
> via cleanup.
> ---
>  src/conf/nwfilter_conf.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/src/conf/nwfilter_conf.c b/src/conf/nwfilter_conf.c
> index ea73a33..fc6d461 100644
> --- a/src/conf/nwfilter_conf.c
> +++ b/src/conf/nwfilter_conf.c
> @@ -1767,6 +1767,7 @@ virNWFilterDefParseXML(xmlXPathContextPtr ctxt) {
>      return ret;
> 
>   cleanup:
> +    virNWFilterDefFree(ret);
>      VIR_FREE(chain);
>      VIR_FREE(uuid);
>      return NULL;

Correct. ACK.

   Stefan