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thermal/drivers/mediatek/lvts_thermal: Fix a memory leak in an error handling path

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[ Upstream commit ca93bf607a ]

If devm_krealloc() fails, then 'efuse' is leaking.
So free it to avoid a leak.

Fixes: f5f633b182 ("thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/481d345233862d58c3c305855a93d0dbc2bbae7e.1706431063.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET 2024-01-28 09:38:10 +01:00 committed by Sasha Levin
parent 13eccd7070
commit 2db869da91
1 changed files with 3 additions and 1 deletions
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4
drivers/thermal/mediatek/lvts_thermal.c
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@ -679,8 +679,10 @@ static int lvts_calibration_read(struct device *dev, struct lvts_domain *lvts_td
lvts_td->calib = devm_krealloc(dev, lvts_td->calib,
lvts_td->calib_len + len, GFP_KERNEL);
if (!lvts_td->calib)
if (!lvts_td->calib) {
kfree(efuse);
return -ENOMEM;
}
memcpy(lvts_td->calib + lvts_td->calib_len, efuse, len);