From: Tomasz Nowicki <[email protected]>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit b685f3b1744061aa9ad822548ba9c674de5be7c6 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 <[email protected]>
[rjw: Subject and changelog]
Signed-off-by: Rafael J. Wysocki <[email protected]>
Signed-off-by: Jiri Slaby <[email protected]>
---
 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 41c5e1b799ef..f658e0948703 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)
                                 pin_name(pin));
                }
 
+               kfree(entry);
                return 0;
        }
 
-- 
1.9.0

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