diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 52d45ea2bc4f63efcfb7e8912b087b1a568d49cc..361b40c10c3f522e28e2b334dd5f8976109bc772 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -430,6 +430,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
 				 pin_name(pin));
 		}
 
+		kfree(entry);
 		return 0;
 	}