diff options
| author | Ma Ke <make24@iscas.ac.cn> | 2024-09-05 04:47:53 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2024-09-06 15:23:07 +0300 |
| commit | 5acdc432f832d810e0d638164c393b877291d9b4 (patch) | |
| tree | 28d49f12479891f5a93c8851441ec0f5e48e06bb /drivers/net/wireless | |
| parent | df6b08670f76b77f7025ab543686ee4ef45a5724 (diff) | |
| download | linux-5acdc432f832d810e0d638164c393b877291d9b4.tar.xz | |
wifi: mt76: mt7615: 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: 0bb4e9187ea4 ("mt76: mt7615: fix hwmon temp sensor mem use-after-free")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://patch.msgid.link/20240905014753.353271-1-make24@iscas.ac.cn
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index f9274c130c57..66ba3be27343 100644 --- 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_dev *dev) 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); return PTR_ERR_OR_ZERO(hwmon); |