Messages in this thread |  | | Date | Tue, 18 Feb 2014 11:21:39 +0100 | From | Tomasz Nowicki <> | Subject | Re: [PATCH 2/2] ACPI, PCI, ISA: Fix memory leak when there is no IRQ in the ACPI subsystem. |
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On 18.02.2014 02:02, Rafael J. Wysocki wrote: > On Monday, February 10, 2014 02:00:11 PM Tomasz Nowicki wrote: >> Whenever we register ISA interrupt or not, we need to free the IRQ routing >> table entry. >> >> Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org> >> --- >> drivers/acpi/pci_irq.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c >> index b0e31b6..6ec0f36 100644 >> --- a/drivers/acpi/pci_irq.c >> +++ b/drivers/acpi/pci_irq.c >> @@ -432,6 +432,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) >> #endif >> dev_warn(&dev->dev, "PCI INT %c: no GSI\n", pin_name(pin)); >> >> + kfree(entry); > > If I'm not mistaken, entry is always NULL here, isn't it? acpi_pci_link_allocate_irq() can return negative gsi even if entry != NULL. For that case we'd have memory leak. > >> return 0; >> } >> >> >
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