5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ma Ke <make24@xxxxxxxxxxx>
commit 5acdc432f832d810e0d638164c393b877291d9b4 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@xxxxxxxxxxxxxxx
Fixes: 0bb4e9187ea4 ("mt76: mt7615: fix hwmon temp sensor mem use-after-free")
Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Link: https://patch.msgid.link/20240905014753.353271-1-make24@xxxxxxxxxxx
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7615/init.c | 3 +++
1 file changed, 3 insertions(+)
--- 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_de
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);
if (IS_ERR(hwmon))
