Re: [PATCH v2 3/3] test: Need to relock afer virDomainObjListRemove

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On Mon, Apr 02, 2018 at 02:27 PM +0200, John Ferlan <jferlan@xxxxxxxxxx> wrote:
> For all @dom's fetched from a testDomObjFromDomain because
> virDomainObjListRemove will return an unlocked domain object
> we should relock it prior to the cleanup label which will use
> virDomainObjEndAPI which would Unlock and Unref the passed
> object (and we should avoid unlocking an unlocked object).
>
> Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
> ---
>  src/test/test_driver.c | 26 +++++++++++++++++++-------
>  1 file changed, 19 insertions(+), 7 deletions(-)
>
> diff --git a/src/test/test_driver.c b/src/test/test_driver.c
> index 3c01aa50e1..5e39ae574c 100644
> --- a/src/test/test_driver.c
> +++ b/src/test/test_driver.c
> @@ -1802,8 +1802,10 @@ static int testDomainDestroyFlags(virDomainPtr domain,
>                                       VIR_DOMAIN_EVENT_STOPPED,
>                                       VIR_DOMAIN_EVENT_STOPPED_DESTROYED);
>
> -    if (!privdom->persistent)
> +    if (!privdom->persistent) {
>          virDomainObjListRemove(privconn->domains, privdom);
> +        virObjectLock(privdom);
> +    }
>
>      ret = 0;
>   cleanup:
> @@ -1901,8 +1903,10 @@ static int testDomainShutdownFlags(virDomainPtr domain,
>                                       VIR_DOMAIN_EVENT_STOPPED,
>                                       VIR_DOMAIN_EVENT_STOPPED_SHUTDOWN);
>
> -    if (!privdom->persistent)
> +    if (!privdom->persistent) {
>          virDomainObjListRemove(privconn->domains, privdom);
> +        virObjectLock(privdom);
> +    }
>
>      ret = 0;
>   cleanup:
> @@ -1971,8 +1975,10 @@ static int testDomainReboot(virDomainPtr domain,
>                                           VIR_DOMAIN_EVENT_STOPPED,
>                                           VIR_DOMAIN_EVENT_STOPPED_SHUTDOWN);
>
> -        if (!privdom->persistent)
> +        if (!privdom->persistent) {
>              virDomainObjListRemove(privconn->domains, privdom);
> +            virObjectLock(privdom);
> +        }
>      }
>
>      ret = 0;
> @@ -2110,8 +2116,10 @@ testDomainSaveFlags(virDomainPtr domain, const char *path,
>                                       VIR_DOMAIN_EVENT_STOPPED,
>                                       VIR_DOMAIN_EVENT_STOPPED_SAVED);
>
> -    if (!privdom->persistent)
> +    if (!privdom->persistent) {
>          virDomainObjListRemove(privconn->domains, privdom);
> +        virObjectLock(privdom);
> +    }
>
>      ret = 0;
>   cleanup:
> @@ -2296,8 +2304,10 @@ static int testDomainCoreDumpWithFormat(virDomainPtr domain,
>          event = virDomainEventLifecycleNewFromObj(privdom,
>                                           VIR_DOMAIN_EVENT_STOPPED,
>                                           VIR_DOMAIN_EVENT_STOPPED_CRASHED);
> -        if (!privdom->persistent)
> +        if (!privdom->persistent) {
>              virDomainObjListRemove(privconn->domains, privdom);
> +            virObjectLock(privdom);
> +        }
>      }
>
>      ret = 0;
> @@ -3076,10 +3086,12 @@ static int testDomainUndefineFlags(virDomainPtr domain,
>                                       VIR_DOMAIN_EVENT_UNDEFINED_REMOVED);
>      privdom->hasManagedSave = false;
>
> -    if (virDomainObjIsActive(privdom))
> +    if (virDomainObjIsActive(privdom)) {
>          privdom->persistent = 0;
> -    else
> +    } else {
>          virDomainObjListRemove(privconn->domains, privdom);
> +        virObjectLock(privdom);
> +    }
>
>      ret = 0;
>
> --
> 2.13.6
>
> --
> libvir-list mailing list
> libvir-list@xxxxxxxxxx
> https://www.redhat.com/mailman/listinfo/libvir-list
>

Reviewed-by: Marc Hartmayer <mhartmay@xxxxxxxxxxxxxxxxxx>

I would change the order of this patch series as the last patch is a
fix, no?

--
Beste Grüße / Kind regards
   Marc Hartmayer

IBM Deutschland Research & Development GmbH
Vorsitzende des Aufsichtsrats: Martina Koederitz
Geschäftsführung: Dirk Wittkopp
Sitz der Gesellschaft: Böblingen
Registergericht: Amtsgericht Stuttgart, HRB 243294


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