From 5acdc432f832d810e0d638164c393b877291d9b4 Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Thu, 5 Sep 2024 09:47:53 +0800 Subject: wifi: mt76: mt7615: check devm_kasprintf() returned value devm_kasprintf() can return a NULL pointer on failure but this returned value is not checked. Fix this lack and check the returned value. Found by code review. Cc: stable@vger.kernel.org Fixes: 0bb4e9187ea4 ("mt76: mt7615: fix hwmon temp sensor mem use-after-free") Signed-off-by: Ma Ke Reviewed-by: Matthias Brugger Link: https://patch.msgid.link/20240905014753.353271-1-make24@iscas.ac.cn Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt7615/init.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index f9274c130c57..66ba3be27343 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -56,6 +56,9 @@ int mt7615_thermal_init(struct mt7615_dev *dev) name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7615_%s", wiphy_name(wiphy)); + if (!name) + return -ENOMEM; + hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, dev, mt7615_hwmon_groups); return PTR_ERR_OR_ZERO(hwmon); -- cgit v1.2.3