| Subject | Re: [PATCH v4 2/3] iommu/tegra-smmu: Rework tegra_smmu_probe_device() | From | Dmitry Osipenko <> | Date | Fri, 2 Oct 2020 18:02:18 +0300 |
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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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