if (!(cap & PCI_EXP_DEVCAP_FLR))
return -ENOTTY;
- if (!dev->msi_enabled && !dev->msix_enabled)
+ if (!dev->msi_enabled && !dev->msix_enabled && dev->irq != 0)
disable_irq(dev->irq);
pci_save_state(dev);
r = pci_execute_reset_function(dev);
pci_restore_state(dev);
- if (!dev->msi_enabled && !dev->msix_enabled)
+ if (!dev->msi_enabled && !dev->msix_enabled && dev->irq != 0)
enable_irq(dev->irq);
return r;