linux-kernel - Re: [PATCH] Input: axp20x-pek: use devm_add_action_or

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Date:	Sun, 03 Jul 2016 21:40:42 +0100
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH] Input: axp20x-pek: use devm_add_action_or_reset

On Sunday 12 June 2016 03:12 PM, Sudip Mukherjee wrote:
> If devm_add_action() fails we are explicitly calling
> axp20x_remove_sysfs_group() 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@...ethink.co.uk>
> ---

A gentle ping.

Regards
Sudip


>   drivers/input/misc/axp20x-pek.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c
> index 1ac898d..419ca97 100644
> --- a/drivers/input/misc/axp20x-pek.c
> +++ b/drivers/input/misc/axp20x-pek.c
> @@ -260,10 +260,10 @@ static int axp20x_pek_probe(struct platform_device *pdev)
>   		return error;
>   	}
>
> -	error = devm_add_action(&pdev->dev,
> -				axp20x_remove_sysfs_group, &pdev->dev);
> +	error = devm_add_action_or_reset(&pdev->dev,
> +					 axp20x_remove_sysfs_group,
> +					 &pdev->dev);
>   	if (error) {
> -		axp20x_remove_sysfs_group(&pdev->dev);
>   		dev_err(&pdev->dev, "Failed to add sysfs cleanup action: %d\n",
>   			error);
>   		return error;
>