Re: [Qemu-devel] [PATCH 3/7] net: Check device passed to host_net_remove

[Mark McLoughlin <markmc@redhat.com>]

On Tue, 2009-04-14 at 19:29 +0200, Jan Kiszka wrote:
> Make sure that we do not delete guest NICs via host_net_remove.
> 
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
> 
>  net.c |   11 +++++++++--
>  1 files changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/net.c b/net.c
> index 36c0509..787f249 100644
> --- a/net.c
> +++ b/net.c
> @@ -1861,9 +1861,16 @@ void net_host_device_remove(Monitor *mon, int vlan_id, const char *device)
>          return;
>      }
>  
> -   for(vc = vlan->first_client; vc != NULL; vc = vc->next)
> -        if (!strcmp(vc->name, device))
> +    if (!net_host_check_device(device)) {
> +        monitor_printf(mon, "invalid host network device %s\n", device);
> +        return;
> +    }

Doesn't this mean that if you assign a name with e.g. "name=foo1234" you
won't be able to remove it?

Probably makes more sense to find the client, then check vc->model using
net_host_check_device()?

Cheers,
Mark.