Hello,
> The intent of the code snippet is to always return 0 for both
> PCI_INTERRUPT_LINE and PCI_INTERRUPT_PIN.
>
> The check misses PCI_INTERRUPT_PIN. This patch fixes that.
>
> This is discovered by this call in VFIO:
>
> pci_read_config_byte(vdev->pdev, PCI_INTERRUPT_PIN, &pin);
>
> The old code does not set *val to 0 because it misses the check for
> PCI_INTERRUPT_PIN. Garbage is returned in that case.
Applied to controller/hyperv, thank you!
[1/1] PCI: hv: Return zero, not garbage, when reading PCI_INTERRUPT_PIN
https://git.kernel.org/pci/pci/c/fea93a3e5d5e
Krzysztof
