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thermal: mtk_thermal: Check return value of devm_thermal_zone_of_sensor_register

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devm_thermal_zone_of_sensor_register can fail, so check it's return value.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Axel Lin 2016-09-07 17:24:52 +08:00 committed by Zhang Rui
parent b7cf005373
commit 1f6b0889d0
1 changed files with 9 additions and 2 deletions
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11
drivers/thermal/mtk_thermal.c
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@ -584,6 +584,7 @@ static int mtk_thermal_probe(struct platform_device *pdev)
struct resource *res; struct resource *res;
const struct of_device_id *of_id; const struct of_device_id *of_id;
u64 auxadc_phys_base, apmixed_phys_base; u64 auxadc_phys_base, apmixed_phys_base;
struct thermal_zone_device *tzdev;
mt = devm_kzalloc(&pdev->dev, sizeof(*mt), GFP_KERNEL); mt = devm_kzalloc(&pdev->dev, sizeof(*mt), GFP_KERNEL);
if (!mt) if (!mt)
@ -666,11 +667,17 @@ static int mtk_thermal_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, mt); platform_set_drvdata(pdev, mt);
devm_thermal_zone_of_sensor_register(&pdev->dev, 0, mt, tzdev = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, mt,
&mtk_thermal_ops); &mtk_thermal_ops);
if (IS_ERR(tzdev)) {
ret = PTR_ERR(tzdev);
goto err_disable_clk_peri_therm;
}
return 0; return 0;
err_disable_clk_peri_therm:
clk_disable_unprepare(mt->clk_peri_therm);
err_disable_clk_auxadc: err_disable_clk_auxadc:
clk_disable_unprepare(mt->clk_auxadc); clk_disable_unprepare(mt->clk_auxadc);