Re: [PATCH 3/3] qemu: Remove possible NULL deref in debug output

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On 09/24/2014 09:27 AM, John Ferlan wrote:
> Check for !dev->info.alias was done after a VIR_DEBUG() statement
> that already tried to print - just flip sequence
>
> Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
> ---

ACK to this re-arranged version

>  src/qemu/qemu_hotplug.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
> index 8011a83..d158a73 100644
> --- a/src/qemu/qemu_hotplug.c
> +++ b/src/qemu/qemu_hotplug.c
> @@ -1887,14 +1887,14 @@ int qemuDomainChangeNetLinkState(virQEMUDriverPtr driver,
>      int ret = -1;
>      qemuDomainObjPrivatePtr priv = vm->privateData;
>  
> -    VIR_DEBUG("dev: %s, state: %d", dev->info.alias, linkstate);
> -
>      if (!dev->info.alias) {
>          virReportError(VIR_ERR_OPERATION_FAILED, "%s",
>                         _("can't change link state: device alias not found"));
>          return -1;
>      }
>  
> +    VIR_DEBUG("dev: %s, state: %d", dev->info.alias, linkstate);
> +
>      qemuDomainObjEnterMonitor(driver, vm);
>  
>      ret = qemuMonitorSetLink(priv->mon, dev->info.alias, linkstate);

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