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drm/imx/dcss: Add missing of_node_put() in fail path

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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: 9021c317b7 ("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
This commit is contained in:
Liang He 2022-07-14 16:13:37 +08:00 committed by Laurentiu Palcu
parent ef2084a838
commit 02c87df248
1 changed files with 3 additions and 0 deletions
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drivers/gpu/drm/imx/dcss/dcss-dev.c
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@ -207,6 +207,7 @@ struct dcss_dev *dcss_dev_create(struct device *dev, bool hdmi_output)
ret = dcss_submodules_init(dcss);
if (ret) {
of_node_put(dcss->of_port);
dev_err(dev, "submodules initialization failed\n");
goto clks_err;
}
@ -237,6 +238,8 @@ void dcss_dev_destroy(struct dcss_dev *dcss)
dcss_clocks_disable(dcss);
}
of_node_put(dcss->of_port);
pm_runtime_disable(dcss->dev);
dcss_submodules_stop(dcss);