Re: [PATCH] iommu/amd: Fix PCI device reference leak in PPR handling

[Vasant Hegde]

On 8/14/2026 7:09 PM, Ruoyu Wang wrote:
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> 
> pci_get_domain_bus_and_slot() takes a reference on the returned PCI
> device. iommu_call_iopf_notifier() fails to release it after either
> reporting a valid PPR fault or completing a rejected request. Each
> handled request therefore leaks a reference and can prevent the PCI
> device from being released.
> 
> Call pci_dev_put() after the final use of the lookup reference on both
> paths.

This was recently fixed by commit af3b69b16383.

-Vasant