linux-kernel - Re: [PATCH 11/30] greybus: svc: Use kstrtobool() instead of strtobool()

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Date:   Tue, 1 Nov 2022 16:49:20 -0500
From:   Alex Elder <elder@...e.org>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        greybus-dev@...ts.linaro.org
Subject: Re: [PATCH 11/30] greybus: svc: Use kstrtobool() instead of
 strtobool()

On 11/1/22 4:13 PM, Christophe JAILLET wrote:
> strtobool() is the same as kstrtobool().
> However, the latter is more used within the kernel.
> 
> In order to remove strtobool() and slightly simplify kstrtox.h, switch to
> the other function name.
> 
> While at it, include the corresponding header file (<linux/kstrtox.h>)
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Looks OK to me.

Reviewed-by: Alex Elder <elder@...aro.org>

> ---
> This patch is part of a serie that axes all usages of strtobool().
> Each patch can be applied independently from the other ones.
> 
> The last patch of the serie removes the definition of strtobool().
> 
> You may not be in copy of the cover letter. So, if needed, it is available
> at [1].
> 
> [1]: https://lore.kernel.org/all/cover.1667336095.git.christophe.jaillet@wanadoo.fr/
> ---
>   drivers/greybus/svc.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/greybus/svc.c b/drivers/greybus/svc.c
> index 56d2b44d6fef..16cced80867a 100644
> --- a/drivers/greybus/svc.c
> +++ b/drivers/greybus/svc.c
> @@ -7,6 +7,7 @@
>    */
>   
>   #include <linux/debugfs.h>
> +#include <linux/kstrtox.h>
>   #include <linux/workqueue.h>
>   #include <linux/greybus.h>
>   
> @@ -83,7 +84,7 @@ static ssize_t watchdog_store(struct device *dev,
>   	int retval;
>   	bool user_request;
>   
> -	retval = strtobool(buf, &user_request);
> +	retval = kstrtobool(buf, &user_request);
>   	if (retval)
>   		return retval;
>