On Mon, Feb 15, 2021 at 09:55:06PM +0100, Krzysztof Wilczyński wrote: > Question: wouldn't you need to call pci_free_irq_vectors() somewhere, > possibly to pcim_release() callback? Although, I am not sure where the > right place would be. > > I am asking, as the documentation (see [4]) suggests that one would have > to release allocated IRQ vectors (relevant exceprt): It's done in pcim_release() but not explicitly. if (dev->msi_enabled) pci_disable_msi(dev); if (dev->msix_enabled) pci_disable_msix(dev); Maybe above can be replaced by pci_free_irq_vectors() to be sure that any future change to PCI IRQ allocation APIs. Yes, I have checked and currently the above code is equivalent to pci_free_irq_vectors(). Dejin, please update your patch accordingly. -- With Best Regards, Andy Shevchenko