| Message ID | 20240903014955.4145423-1-make24@iscas.ac.cn (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Felix Fietkau |
| Headers | show |
| Series | [RESEND] mt76: mt7915: check devm_kasprintf() returned value | expand |
On 03/09/2024 03:49, Ma Ke wrote: > 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> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> > --- > drivers/net/wireless/mediatek/mt76/mt7915/init.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c > index a978f434dc5e..7bc3b4cd3592 100644 > --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c > +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c > @@ -194,6 +194,8 @@ static int mt7915_thermal_init(struct mt7915_phy *phy) > > name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7915_%s", > wiphy_name(wiphy)); > + if (!name) > + return -ENOMEM; > > cdev = thermal_cooling_device_register(name, phy, &mt7915_thermal_ops); > if (!IS_ERR(cdev)) {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index a978f434dc5e..7bc3b4cd3592 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -194,6 +194,8 @@ static int mt7915_thermal_init(struct mt7915_phy *phy) name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7915_%s", wiphy_name(wiphy)); + if (!name) + return -ENOMEM; cdev = thermal_cooling_device_register(name, phy, &mt7915_thermal_ops); if (!IS_ERR(cdev)) {
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> --- drivers/net/wireless/mediatek/mt76/mt7915/init.c | 2 ++ 1 file changed, 2 insertions(+)