[libvirt] [PATCH v2] LXC: avoid useless duplicate memory free

[Osier Yang]

On 2012年06月19日 09:33, Gao feng wrote:
> when lxcContainerIdentifyCGroups failed, the memory it allocated
> has been freed, so we should not free this memory again in
> lxcContainerSetupPivortRoot and lxcContainerSetupExtraMounts.
> 
> Signed-off-by: Gao feng<gaofeng at cn.fujitsu.com>
> ---
>   src/lxc/lxc_container.c |    4 ++--
>   1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
> index 9045a7d..24b1017 100644
> --- a/src/lxc/lxc_container.c
> +++ b/src/lxc/lxc_container.c
> @@ -1323,7 +1323,7 @@ static int lxcContainerSetupPivotRoot(virDomainDefPtr vmDef,
>       /* Before pivoting we need to identify any
>        * cgroups controllers that are mounted */
>       if (lxcContainerIdentifyCGroups(&mounts,&nmounts)<  0)
> -        goto cleanup;
> +        return -1;
> 
>       /* Gives us a private root, leaving all parent OS mounts on /.oldroot */
>       if (lxcContainerPivotRoot(root)<  0)
> @@ -1406,7 +1406,7 @@ static int lxcContainerSetupExtraMounts(virDomainDefPtr vmDef,
>       /* Before replacing /sys we need to identify any
>        * cgroups controllers that are mounted */
>       if (lxcContainerIdentifyCGroups(&mounts,&nmounts)<  0)
> -        goto cleanup;
> +        return -1;
> 
>       /* Gets rid of any existing stuff under /proc, since we need new
>        * namespace aware versions of those. We must do /proc second

ACK.