Re: [PATCH] Input: zforce_ts - use devm_add_action_or_reset()

From: Dmitry Torokhov
Date: Wed Jul 06 2016 - 14:01:04 EST


On Sun, Jul 03, 2016 at 09:48:46PM +0100, Sudip Mukherjee wrote:
> If devm_add_action() fails we are explicitly calling the cleanup to free
> the resources allocated. Lets use the helper devm_add_action_or_reset()
> and return directly in case of error, as we know that the cleanup function
> has been already called by the helper if there was any error.
>
> Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>

This seems reasonable, I'll apply, thank you.

> ---
> drivers/input/touchscreen/zforce_ts.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c
> index 7b3845a..6053e31 100644
> --- a/drivers/input/touchscreen/zforce_ts.c
> +++ b/drivers/input/touchscreen/zforce_ts.c
> @@ -820,15 +820,12 @@ static int zforce_probe(struct i2c_client *client,
> udelay(100);
> }
>
> - ret = devm_add_action(&client->dev, zforce_reset, ts);
> + ret = devm_add_action_or_reset(&client->dev, zforce_reset, ts);
> if (ret) {
> dev_err(&client->dev, "failed to register reset action, %d\n",
> ret);
>
> /* hereafter the regulator will be disabled by the action */
> - if (!IS_ERR(ts->reg_vdd))
> - regulator_disable(ts->reg_vdd);
> -
> return ret;
> }
>
> --
> 1.9.1
>

--
Dmitry