From: Ma Ke Date: Tue, 3 Sep 2024 01:49:55 +0000 (+0800) Subject: wifi: mt76: mt7915: check devm_kasprintf() returned value X-Git-Tag: v6.12-rc1~232^2~41^2~1^2~7 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=267efeda8c55f30e0e7c5b7fd03dea4efec6916c;p=linux-block.git wifi: mt76: mt7915: 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: 6ae39b7c7ed4 ("wifi: mt76: mt7921: Support temp sensor") Signed-off-by: Ma Ke Reviewed-by: Matthias Brugger Link: https://patch.msgid.link/20240903014955.4145423-1-make24@iscas.ac.cn Signed-off-by: Felix Fietkau --- diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 511e0d04eb95..6bef96e3d2a3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -194,6 +194,8 @@ static int mt7915_thermal_init(struct mt7915_phy *phy) name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7915_%s", wiphy_name(wiphy)); + if (!name) + return -ENOMEM; cdev = thermal_cooling_device_register(name, phy, &mt7915_thermal_ops); if (!IS_ERR(cdev)) {