From: Ma Ke Date: Tue, 3 Sep 2024 01:44:55 +0000 (+0800) Subject: wifi: mt76: mt7921: Check devm_kasprintf() returned value X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b9f8545875aa77c401fceb2b0567a1020cf19fc;p=linux wifi: mt76: mt7921: Check devm_kasprintf() returned value commit 1ccc9e476ce76e8577ba4fdbd1f63cb3e3499d38 upstream. 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 Reviwed-by: Matthias Brugger Link: https://patch.msgid.link/20240903014455.4144536-1-make24@iscas.ac.cn Signed-off-by: Felix Fietkau Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index 57672c69150e..d1d64fa7d35d 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);