| Message ID | 650546c0dee92042fc019941786cfdbce2424812.1630515790.git.ryder.lee@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v5,1/2] mt76: mt7915: fix hwmon temp sensor mem use-after-free | expand |
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index 05235a60d413..7c584ca43b2d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -49,12 +49,13 @@ 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_kstrdup(&wiphy->dev, wiphy_name(wiphy), GFP_KERNEL); + hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, dev, mt7615_hwmon_groups); if (IS_ERR(hwmon)) return PTR_ERR(hwmon);
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 <ryder.lee@mediatek.com> --- v5: Use devm_kstrdup on the wiphy name as suggested. --- drivers/net/wireless/mediatek/mt76/mt7615/init.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)