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drm/tegra: output: Don't leak OF node on error

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The OF node should be put before returning error in tegra_output_probe(),
otherwise node's refcount will be leaked.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Dmitry Osipenko 2020-08-14 01:06:53 +03:00 committed by Thierry Reding
parent 2340dc15f0
commit 3d2e7aec70
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/tegra/output.c
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@ -102,10 +102,10 @@ int tegra_output_probe(struct tegra_output *output)
panel = of_parse_phandle(output->of_node, "nvidia,panel", 0);
if (panel) {
output->panel = of_drm_find_panel(panel);
of_node_put(panel);
if (IS_ERR(output->panel))
return PTR_ERR(output->panel);
of_node_put(panel);
}
output->edid = of_get_property(output->of_node, "nvidia,edid", &size);
@ -113,13 +113,13 @@ int tegra_output_probe(struct tegra_output *output)
ddc = of_parse_phandle(output->of_node, "nvidia,ddc-i2c-bus", 0);
if (ddc) {
output->ddc = of_get_i2c_adapter_by_node(ddc);
of_node_put(ddc);
if (!output->ddc) {
err = -EPROBE_DEFER;
of_node_put(ddc);
return err;
}
of_node_put(ddc);
}
output->hpd_gpio = devm_gpiod_get_from_of_node(output->dev,