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: 6ae39b7c7ed4 ("wifi: mt76: mt7921: Support temp sensor") Signed-off-by: Ma Ke make24@iscas.ac.cn --- drivers/net/wireless/mediatek/mt76/mt7921/init.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index ef0c721d26e3..5ab395d9d93e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -52,6 +52,8 @@ static int mt7921_thermal_init(struct mt792x_phy *phy)

name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7921_%s", wiphy_name(wiphy)); + if (!name) + return -ENOMEM;

hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy, mt7921_hwmon_groups);