[PATCH] KVM: arm64: timers: Fix resource leaks in kvm_timer_hyp_init()
Oliver Upton
oliver.upton at linux.dev
Mon Jun 12 12:23:21 PDT 2023
On Mon, Jun 12, 2023 at 11:00:20AM +0300, Dan Carpenter wrote:
> On Mon, Jun 12, 2023 at 07:32:52AM +0000, Oliver Upton wrote:
> > > +
> > > +out_free_ptimer_irq:
> > > + if (info->physical_irq > 0)
> > > + free_percpu_irq(host_ptimer_irq, kvm_get_running_vcpus());
> >
> > nit: we shouldn't even jump to this label in the first place if
> > there was no ptimer irq to set up... Maybe just drop the condition?
> >
>
> The condition is not necessary but I added it deliberately for
> readability and in case we ever add more allocations to this function.
> I want to keep it.
Fair enough. And if your fix is any indicator, we're liable to screw up
error handling again in the future :)
> > > out_free_irq:
> >
> > I'd prefer this label be renamed 'out_free_vtimer_irq' to make it
> > unambiguous.
>
> I would prefer this too, but I left it out because I don't like to
> rename things unnecessarily. However, since we both prefer this, then
> I will rename it.
Thanks! Please do send out a v2 when you have a moment, as I'd like to
pick this up for 6.5.
--
Thanks,
Oliver
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