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c36de2e73a
Backport almost 50 commits from upstream Linux to improve thermal drivers for MediaTek SoCs and add new LVTS driver for MT7988. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
54 lines
1.8 KiB
Diff
54 lines
1.8 KiB
Diff
From 458fa1d508de3f17e49d974a0158d9aeff273a58 Mon Sep 17 00:00:00 2001
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From: Kang Chen <void0red@hust.edu.cn>
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Date: Wed, 19 Apr 2023 10:07:48 +0800
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Subject: [PATCH 18/42] thermal/drivers/mediatek: Use devm_of_iomap to avoid
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resource leak in mtk_thermal_probe
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Smatch reports:
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1. mtk_thermal_probe() warn: 'apmixed_base' from of_iomap() not released.
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2. mtk_thermal_probe() warn: 'auxadc_base' from of_iomap() not released.
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The original code forgets to release iomap resource when handling errors,
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fix it by switch to devm_of_iomap.
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Fixes: 89945047b166 ("thermal: mediatek: Add tsensor support for V2 thermal system")
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Signed-off-by: Kang Chen <void0red@hust.edu.cn>
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Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
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Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Link: https://lore.kernel.org/r/20230419020749.621257-1-void0red@hust.edu.cn
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---
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drivers/thermal/mediatek/auxadc_thermal.c | 14 ++++++++++++--
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1 file changed, 12 insertions(+), 2 deletions(-)
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--- a/drivers/thermal/mediatek/auxadc_thermal.c
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+++ b/drivers/thermal/mediatek/auxadc_thermal.c
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@@ -1232,7 +1232,12 @@ static int mtk_thermal_probe(struct plat
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return -ENODEV;
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}
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- auxadc_base = of_iomap(auxadc, 0);
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+ auxadc_base = devm_of_iomap(&pdev->dev, auxadc, 0, NULL);
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+ if (IS_ERR(auxadc_base)) {
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+ of_node_put(auxadc);
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+ return PTR_ERR(auxadc_base);
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+ }
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+
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auxadc_phys_base = of_get_phys_base(auxadc);
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of_node_put(auxadc);
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@@ -1248,7 +1253,12 @@ static int mtk_thermal_probe(struct plat
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return -ENODEV;
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}
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- apmixed_base = of_iomap(apmixedsys, 0);
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+ apmixed_base = devm_of_iomap(&pdev->dev, apmixedsys, 0, NULL);
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+ if (IS_ERR(apmixed_base)) {
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+ of_node_put(apmixedsys);
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+ return PTR_ERR(apmixed_base);
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+ }
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+
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apmixed_phys_base = of_get_phys_base(apmixedsys);
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of_node_put(apmixedsys);
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