[PATCH v2] perf/dwc_pcie: Fix PCI device reference leak in probe

[Will Deacon]

On Thu, 20 Aug 2026 21:56:11 +0800, Ruoyu Wang wrote:
> pci_get_domain_bus_and_slot() returns a referenced PCI device. When the
> subsequent RAS DES capability lookup fails, dwc_pcie_pmu_probe() returns
> -ENODEV without releasing that reference. Repeated failed probes can
> therefore keep the PCI device allocated after removal.
> 
> Declare the looked-up device with __free(pci_dev_put), so the temporary
> reference is released on every return path. Keeping the reference scoped
> to the whole probe also covers all later uses of the device during
> initialization.
> 
> [...]

Applied to arm64 (for-next/perf), thanks!

[1/1] perf/dwc_pcie: Fix PCI device reference leak in probe
      https://git.kernel.org/arm64/c/3a4067658363

Cheers,
-- 
Will

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