diff options
| author | Charles Han <hanchunchao@inspur.com> | 2025-04-07 12:55:51 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2025-05-21 15:49:38 +0300 |
| commit | caf4b347c5dc40fdd125793b5e82ba9fc4de5275 (patch) | |
| tree | 740aa036c49d87bf8de9334ab7a47b8b6170f756 | |
| parent | cadebdad959bf25edd544da6dd1a9750e876deb6 (diff) | |
| download | linux-caf4b347c5dc40fdd125793b5e82ba9fc4de5275.tar.xz | |
wifi: mt76: mt7996: Add NULL check in mt7996_thermal_init
devm_kasprintf() can return a NULL pointer on failure,but this
returned value in mt7996_thermal_init() is not checked.
Add NULL check in mt7996_thermal_init(), to handle kernel NULL
pointer dereference error.
Fixes: 69d54ce7491d ("wifi: mt76: mt7996: switch to single multi-radio wiphy")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Link: https://patch.msgid.link/20250407095551.32127-1-hanchunchao@inspur.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7996/init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c index e26451add9a3..ff835a6f77ce 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c @@ -217,6 +217,9 @@ static int mt7996_thermal_init(struct mt7996_phy *phy) name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7996_%s.%d", wiphy_name(wiphy), phy->mt76->band_idx); + if (!name) + return -ENOMEM; + snprintf(cname, sizeof(cname), "cooling_device%d", phy->mt76->band_idx); cdev = thermal_cooling_device_register(name, phy, &mt7996_thermal_ops); |