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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2024-01-28 09:38:10 +0100
committerDaniel Lezcano <daniel.lezcano@linaro.org>2024-03-11 17:14:46 +0100
commitca93bf607a44c1f009283dac4af7df0d9ae5e357 (patch)
treebdd98cb57503fd121334aac68989386a11ca0bed /drivers/thermal
parentdcb497ec993265dfc5fffa60b486c1ad353e9ad5 (diff)
downloadlinux-ca93bf607a44c1f009283dac4af7df0d9ae5e357.tar.gz
thermal/drivers/mediatek/lvts_thermal: Fix a memory leak in an error handling path
If devm_krealloc() fails, then 'efuse' is leaking. So free it to avoid a leak. Fixes: f5f633b18234 ("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
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/mediatek/lvts_thermal.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index 98d9c80bd4c627..fd4bd650c77a6a 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -719,8 +719,10 @@ 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);