[libvirt] [PATCH] virsh: Free stream when shutdown console
Eric Blake
eblake at redhat.com
Fri Mar 11 15:19:52 UTC 2011
On 03/11/2011 06:56 AM, Osier Yang wrote:
> Otherwise connection of hypervisor driver will be leaked when
> one shutdown the guest in console. e.g.
>
> [root at localhost]# init 0
> ......
> init: Re-executing /sbin/init
> Halting system...
> Power down.
>
> error: Failed to disconnect from the hypervisor, 1 leaked reference(s)
> ---
> tools/console.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/tools/console.c b/tools/console.c
> index b9dd268..01d8bd1 100644
> --- a/tools/console.c
> +++ b/tools/console.c
> @@ -91,6 +91,8 @@ static void
> virConsoleShutdown(virConsolePtr con)
> {
> con->quit = true;
> + if (con->st)
> + virStreamFree(con->st);
> virStreamEventRemoveCallback(con->st);
Shouldn't you free the stream _after_ you remove the callback from it?
Otherwise, you are referencing a freed stream.
ACK if you swap those two lines.
--
Eric Blake eblake at redhat.com +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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