diff options
| author | Ryder Lee <ryder.lee@mediatek.com> | 2021-09-02 08:52:04 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-18 21:16:37 +0300 |
| commit | dba165e255dbf76f9283f5b2b69f466e33a95b9e (patch) | |
| tree | f8be81536d17c8c9d8cc76d2204c9e37e7e7ea1f /drivers/net/wireless | |
| parent | 32ec365cdca6357dc30620565531ed7f3933bfa1 (diff) | |
| download | linux-dba165e255dbf76f9283f5b2b69f466e33a95b9e.tar.xz | |
mt76: mt7615: fix hwmon temp sensor mem use-after-free
[ Upstream commit 0bb4e9187ea4a59dc6658a62978deda0c0dc4b28 ]
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>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/init.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index 2f1ac644e018..47f23ac905a3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -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); |