diff options
| author | Henry Martin <bsdhenrymartin@gmail.com> | 2025-06-25 20:49:01 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2025-07-07 18:05:52 +0200 |
| commit | 03ee8f73801a8f46d83dfc2bf73fb9ffa5a21602 (patch) | |
| tree | 50a59ec92ec0721b951d7619ab0610352dca877e | |
| parent | dedf2ec30fe417d181490896adf89cd6b9885b23 (diff) | |
wifi: mt76: mt7925: Fix null-ptr-deref in mt7925_thermal_init()
devm_kasprintf() returns NULL on error. Currently, mt7925_thermal_init()
does not check for this case, which results in a NULL pointer
dereference.
Add NULL check after devm_kasprintf() to prevent this issue.
Fixes: 396e41a74a88 ("wifi: mt76: mt7925: support temperature sensor")
Signed-off-by: Henry Martin <bsdhenryma@tencent.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20250625124901.1839832-1-bsdhenryma@tencent.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7925/init.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/init.c b/drivers/net/wireless/mediatek/mt76/mt7925/init.c index 2a83ff59a968..4249bad83c93 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/init.c @@ -52,6 +52,8 @@ static int mt7925_thermal_init(struct mt792x_phy *phy) name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7925_%s", wiphy_name(wiphy)); + if (!name) + return -ENOMEM; hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy, mt7925_hwmon_groups); |