drm/imx/dcss: Add missing of_node_put() in fail path
In dcss_dev_create() and dcss_dev_destroy(), we should call of_node_put() in fail path or before the dcss's destroy as of_graph_get_port_by_id() has increased the refcount. Fixes: 9021c317b770 ("drm/imx: Add initial support for DCSS on iMX8MQ") Signed-off-by: Liang He <windhl@126.com> Reviewed-by: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com> Signed-off-by: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220714081337.374761-1-windhl@126.com
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@ -207,6 +207,7 @@ struct dcss_dev *dcss_dev_create(struct device *dev, bool hdmi_output)
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ret = dcss_submodules_init(dcss);
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if (ret) {
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of_node_put(dcss->of_port);
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dev_err(dev, "submodules initialization failed\n");
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goto clks_err;
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}
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@ -237,6 +238,8 @@ void dcss_dev_destroy(struct dcss_dev *dcss)
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dcss_clocks_disable(dcss);
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}
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of_node_put(dcss->of_port);
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pm_runtime_disable(dcss->dev);
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dcss_submodules_stop(dcss);
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