Re: [PATCH v2] ACPI / PCI: fix acpi_pci_irq_enable() memory leak

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On Tue, Sep 3, 2019 at 12:34 AM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
>
> On Mon, Sep 02, 2019 at 11:19:58PM +0200, Rafael J. Wysocki wrote:
> > On Wed, Aug 21, 2019 at 5:44 AM Wenwen Wang <wenwen@xxxxxxxxxx> wrote:
> > >
> > > In acpi_pci_irq_enable(), 'entry' is allocated by kzalloc() in
> > > acpi_pci_irq_check_entry() (invoked from acpi_pci_irq_lookup()). However,
> > > it is not deallocated if acpi_pci_irq_valid() returns false, leading to a
> > > memory leak. To fix this issue, free 'entry' before returning 0.
> > >
> > > Fixes: e237a5518425 ("x86/ACPI/PCI: Recognize that Interrupt Line 255 means
> > > "not connected"")
> > >
> > > Signed-off-by: Wenwen Wang <wenwen@xxxxxxxxxx>
> >
> > Bjorn, any more comments?
>
> Nope, looks fine to me.

Thanks, queuing it up for v5.4 then.



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