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mt76: mt7615: fix hwmon temp sensor mem use-after-free

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Without this change, garbage is seen in the hwmon name and sensors output
for mt7615 is garbled.

Fixes: 109e505ad944 ("mt76: mt7615: add thermal sensor device support")
Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Ryder Lee
2021-09-24 19:22:14 +02:00
committed by Felix Fietkau
parent c8f0d1d81d
commit 3b9ba7e020
1 changed files with 4 additions and 2 deletions
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mt7615/init.c
+4 -2
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@@ -49,12 +49,14 @@ int mt7615_thermal_init(struct mt7615_dev *dev)
{
struct wiphy *wiphy = mt76_hw(dev)->wiphy;
struct device *hwmon;
const char *name;
if (!IS_REACHABLE(CONFIG_HWMON))
return 0;
hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev,
wiphy_name(wiphy), dev,
name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7615-%s",
wiphy_name(wiphy));
hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, dev,
mt7615_hwmon_groups);
if (IS_ERR(hwmon))
return PTR_ERR(hwmon);