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SubjectRe: [PATCH v4 2/3] iommu/tegra-smmu: Rework tegra_smmu_probe_device()
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02.10.2020 09:08, Nicolin Chen пишет:
> static int tegra_smmu_of_xlate(struct device *dev,
> struct of_phandle_args *args)
> {
> + struct platform_device *iommu_pdev = of_find_device_by_node(args->np);
> + struct tegra_mc *mc = platform_get_drvdata(iommu_pdev);
> u32 id = args->args[0];
>
> + of_node_put(args->np);

of_find_device_by_node() takes device reference and not the np
reference. This is a bug, please remove of_node_put().

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