Re: [PATCH -next] mfd: pm8008: Fix return value check in pm8008_probe()

From: Guru Das Srinagesh
Date: Thu Jun 03 2021 - 13:19:11 EST


On Thu, Jun 03, 2021 at 10:13:57PM +0800, Yang Yingliang wrote:
> In case of error, the function devm_regmap_init_i2c() returns ERR_PTR()
> and never returns NULL. The NULL test in the return value check
> should be replaced with IS_ERR().
>
> Fixes: 6b149f3310a4 ("mfd: pm8008: Add driver for QCOM PM8008 PMIC")
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>

Acked-by: Guru Das Srinagesh <gurus@xxxxxxxxxxxxxx>

> ---
> drivers/mfd/qcom-pm8008.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mfd/qcom-pm8008.c b/drivers/mfd/qcom-pm8008.c
> index c472d7f8103c..dfefa60d693b 100644
> --- a/drivers/mfd/qcom-pm8008.c
> +++ b/drivers/mfd/qcom-pm8008.c
> @@ -223,7 +223,7 @@ static int pm8008_probe(struct i2c_client *client)
> struct pm8008_data *chip;
>
> chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
> - if (!chip)
> + if (IS_ERR(chip))
> return -ENOMEM;
>
> chip->dev = &client->dev;
> --
> 2.25.1
>