| Message ID | 20220921152915.1506767-1-yangyingliang@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [-next] power: supply: mt6370: Fix return value check in mt6370_chg_probe() | expand |
On 9/21/2022 11:29 PM, Yang Yingliang wrote: > If create_singlethread_workqueue() fails, it returns a null pointer, > replace IS_ERR() check with NULL pointer check. > > Fixes: 233cb8a47d65 ("power: supply: mt6370: Add MediaTek MT6370 charger driver") > Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> > --- > drivers/power/supply/mt6370-charger.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/power/supply/mt6370-charger.c b/drivers/power/supply/mt6370-charger.c > index 716cba259a7a..f27dae5043f5 100644 > --- a/drivers/power/supply/mt6370-charger.c > +++ b/drivers/power/supply/mt6370-charger.c > @@ -911,8 +911,8 @@ static int mt6370_chg_probe(struct platform_device *pdev) > priv->attach = MT6370_ATTACH_STAT_DETACH; > > priv->wq = create_singlethread_workqueue(dev_name(priv->dev)); > - if (IS_ERR(priv->wq)) > - return dev_err_probe(dev, PTR_ERR(priv->wq), > + if (!priv->wq) > + return dev_err_probe(dev, -ENOMEM, > "Failed to create workqueue\n"); > > ret = devm_add_action_or_reset(dev, mt6370_chg_destroy_wq, priv->wq); Hi Yingliang, In general this looks good to me. Thanks for catching this! Reviewed-by: ChiaEn Wu <chiaen_wu@richtek.com>
Il 21/09/22 17:29, Yang Yingliang ha scritto: > If create_singlethread_workqueue() fails, it returns a null pointer, > replace IS_ERR() check with NULL pointer check. > > Fixes: 233cb8a47d65 ("power: supply: mt6370: Add MediaTek MT6370 charger driver") > Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> > Reviewed-by: ChiaEn Wu <chiaen_wu@richtek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Hi, On Wed, Sep 21, 2022 at 11:29:15PM +0800, Yang Yingliang wrote: > If create_singlethread_workqueue() fails, it returns a null pointer, > replace IS_ERR() check with NULL pointer check. > > Fixes: 233cb8a47d65 ("power: supply: mt6370: Add MediaTek MT6370 charger driver") > Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> > --- > drivers/power/supply/mt6370-charger.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/power/supply/mt6370-charger.c b/drivers/power/supply/mt6370-charger.c > index 716cba259a7a..f27dae5043f5 100644 > --- a/drivers/power/supply/mt6370-charger.c > +++ b/drivers/power/supply/mt6370-charger.c > @@ -911,8 +911,8 @@ static int mt6370_chg_probe(struct platform_device *pdev) > priv->attach = MT6370_ATTACH_STAT_DETACH; > > priv->wq = create_singlethread_workqueue(dev_name(priv->dev)); > - if (IS_ERR(priv->wq)) > - return dev_err_probe(dev, PTR_ERR(priv->wq), > + if (!priv->wq) > + return dev_err_probe(dev, -ENOMEM, > "Failed to create workqueue\n"); > > ret = devm_add_action_or_reset(dev, mt6370_chg_destroy_wq, priv->wq); Thanks, queued. -- Sebastian
diff --git a/drivers/power/supply/mt6370-charger.c b/drivers/power/supply/mt6370-charger.c index 716cba259a7a..f27dae5043f5 100644 --- a/drivers/power/supply/mt6370-charger.c +++ b/drivers/power/supply/mt6370-charger.c @@ -911,8 +911,8 @@ static int mt6370_chg_probe(struct platform_device *pdev) priv->attach = MT6370_ATTACH_STAT_DETACH; priv->wq = create_singlethread_workqueue(dev_name(priv->dev)); - if (IS_ERR(priv->wq)) - return dev_err_probe(dev, PTR_ERR(priv->wq), + if (!priv->wq) + return dev_err_probe(dev, -ENOMEM, "Failed to create workqueue\n"); ret = devm_add_action_or_reset(dev, mt6370_chg_destroy_wq, priv->wq);
If create_singlethread_workqueue() fails, it returns a null pointer, replace IS_ERR() check with NULL pointer check. Fixes: 233cb8a47d65 ("power: supply: mt6370: Add MediaTek MT6370 charger driver") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/power/supply/mt6370-charger.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)