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ACPI / PCI: Fix memory leak in acpi_pci_irq_enable()

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commit b685f3b174 upstream.

acpi_pci_link_allocate_irq() can return negative gsi even if
entry != NULL.  For that case we have a memory leak, so free
entry before returning from acpi_pci_irq_enable() for gsi < 0.

Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
[rjw: Subject and changelog]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomasz Nowicki 2014-02-10 14:00:11 +01:00 committed by Greg Kroah-Hartman
parent 9942fc0221
commit 63b5b009bd
1 changed files with 1 additions and 0 deletions
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drivers/acpi/pci_irq.c
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@ -432,6 +432,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
pin_name(pin));
}
kfree(entry);
return 0;
}