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Date: Mon, 29 Apr 2024 13:50:31 -0700
From: Russ Weight <russ.weight@...ux.dev>
To: Haoyang Liu <tttturtleruss@...t.edu.cn>
Cc: Luis Chamberlain <mcgrof@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	hust-os-kernel-patches@...glegroups.com,
	Dan Carpenter <dan.carpenter@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firmware_loader: Replace simple_strtol() with kstrtoint()

On Sat, Apr 27, 2024 at 04:25:32AM +0800, Haoyang Liu wrote:
> simple_strtol() is obsolete, use kstrtoint() instead.
> 
> Signed-off-by: Haoyang Liu <tttturtleruss@...t.edu.cn>
> Reviewed-by: Dan Carpenter <dan.carpenter@...aro.org>

Reviewed-by: Russ Weight <russ.weight@...ux.dev>

> ---
>  drivers/base/firmware_loader/sysfs.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/base/firmware_loader/sysfs.c b/drivers/base/firmware_loader/sysfs.c
> index c9c93b47d9a5..4de1cb243bee 100644
> --- a/drivers/base/firmware_loader/sysfs.c
> +++ b/drivers/base/firmware_loader/sysfs.c
> @@ -47,8 +47,12 @@ static ssize_t timeout_show(const struct class *class, const struct class_attrib
>  static ssize_t timeout_store(const struct class *class, const struct class_attribute *attr,
>  			     const char *buf, size_t count)
>  {
> -	int tmp_loading_timeout = simple_strtol(buf, NULL, 10);
> +	int tmp_loading_timeout;
> +	int res;
>  
> +	res = kstrtoint(buf, 10, &tmp_loading_timeout);
> +	if (res < 0)
> +		return res;
>  	if (tmp_loading_timeout < 0)
>  		tmp_loading_timeout = 0;
>  
> @@ -157,8 +161,12 @@ static ssize_t firmware_loading_store(struct device *dev,
>  	struct fw_sysfs *fw_sysfs = to_fw_sysfs(dev);
>  	struct fw_priv *fw_priv;
>  	ssize_t written = count;
> -	int loading = simple_strtol(buf, NULL, 10);
> +	int loading;
> +	int res;
>  
> +	res = kstrtoint(buf, 10, &loading);
> +	if (res < 0)
> +		return res;
>  	mutex_lock(&fw_lock);
>  	fw_priv = fw_sysfs->fw_priv;
>  	if (fw_state_is_aborted(fw_priv) || fw_state_is_done(fw_priv))
> -- 
> 2.25.1
> 

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