Re: [PATCH v2 1/2] hwmon: g762: add a check of devm_add_action in g762_of_clock_enable
From: Guenter Roeck
Date: Fri Mar 10 2023 - 11:45:59 EST
On Mon, Feb 27, 2023 at 11:09:12AM +0800, void0red wrote:
> From: Kang Chen <void0red@xxxxxxxxx>
>
> devm_add_action may fails, check it and do the cleanup.
>
> Signed-off-by: Kang Chen <void0red@xxxxxxxxx>
Applied.
Thanks,
Guenter
> ---
> v2 -> v1: split the patch
>
> drivers/hwmon/g762.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/hwmon/g762.c b/drivers/hwmon/g762.c
> index 64a0599b2..e2c3c34f0 100644
> --- a/drivers/hwmon/g762.c
> +++ b/drivers/hwmon/g762.c
> @@ -620,7 +620,12 @@ static int g762_of_clock_enable(struct i2c_client *client)
> data = i2c_get_clientdata(client);
> data->clk = clk;
>
> - devm_add_action(&client->dev, g762_of_clock_disable, data);
> + ret = devm_add_action(&client->dev, g762_of_clock_disable, data);
> + if (ret) {
> + dev_err(&client->dev, "failed to add disable clock action\n");
> + goto clk_unprep;
> + }
> +
> return 0;
>
> clk_unprep: