ACPI_FUNCTION_TRACE("acpi_pci_irq_disable");
- if (!dev)
+ if (!dev || !dev->bus)
return_VOID;
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
return_VOID;
pin--;
- if (!dev->bus)
- return_VOID;
-
/*
* First we check the PCI IRQ routing table (PRT) for an IRQ.
*/