summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMa Ke <make24@iscas.ac.cn>2024-09-03 04:44:55 +0300
committerFelix Fietkau <nbd@nbd.name>2024-09-06 15:23:07 +0300
commit1ccc9e476ce76e8577ba4fdbd1f63cb3e3499d38 (patch)
treedf262b76a06d3afb74235c8cba933d509e4a42ec
parent267efeda8c55f30e0e7c5b7fd03dea4efec6916c (diff)
downloadlinux-1ccc9e476ce76e8577ba4fdbd1f63cb3e3499d38.tar.xz
wifi: mt76: mt7921: 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 <make24@iscas.ac.cn> Reviwed-by: Matthias Brugger <matthias.bgg@gmail.com> Link: https://patch.msgid.link/20240903014455.4144536-1-make24@iscas.ac.cn Signed-off-by: Felix Fietkau <nbd@nbd.name>
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7921/init.c2
1 files changed, 2 insertions, 0 deletions
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);