linux-kernel - Re: [PATCH] pwm: Add missing "CONFIG

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Date:   Thu, 4 Jun 2020 16:43:04 +0200
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Kees Cook <keescook@...omium.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org
Subject: Re: [PATCH] pwm: Add missing "CONFIG_" prefix

On Wed, Jun 03, 2020 at 03:40:56PM -0700, Kees Cook wrote:
> The IS_ENABLED() use was missing the CONFIG_ prefix which would have
> lead to skipping this code.
> 
> Fixes: 3ad1f3a33286 ("pwm: Implement some checks for lowlevel drivers")
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---
>  drivers/pwm/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
> index 9973c442b455..6b3cbc0490c6 100644
> --- a/drivers/pwm/core.c
> +++ b/drivers/pwm/core.c
> @@ -121,7 +121,7 @@ static int pwm_device_request(struct pwm_device *pwm, const char *label)
>  		pwm->chip->ops->get_state(pwm->chip, pwm, &pwm->state);
>  		trace_pwm_get(pwm, &pwm->state);
>  
> -		if (IS_ENABLED(PWM_DEBUG))
> +		if (IS_ENABLED(CONFIG_PWM_DEBUG))
>  			pwm->last = pwm->state;

Thanks

Reviewed-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

Best regards
Uwe

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