Re: [PATCH] hwmon: pwm-fan: Disable PWM if fetching cooling data fails
From: Guenter Roeck
Date: Wed Apr 03 2019 - 09:18:46 EST
On Wed, Apr 03, 2019 at 02:48:33PM +0200, Stefan Wahren wrote:
> In case pwm_fan_of_get_cooling_data() fails we should disable the PWM
> just like in the other error cases.
>
> Reported-by: Guenter Rock <linux@xxxxxxxxxxxx>
> Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
> Fixes: 2e5219c77183 ("hwmon: (pwm-fan) Read PWM FAN configuration from device tree")
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.14
Applied.
Thanks,
Guenter
> ---
> drivers/hwmon/pwm-fan.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
> index 167221c..e4c5197 100644
> --- a/drivers/hwmon/pwm-fan.c
> +++ b/drivers/hwmon/pwm-fan.c
> @@ -271,7 +271,7 @@ static int pwm_fan_probe(struct platform_device *pdev)
>
> ret = pwm_fan_of_get_cooling_data(&pdev->dev, ctx);
> if (ret)
> - return ret;
> + goto err_pwm_disable;
>
> ctx->pwm_fan_state = ctx->pwm_fan_max_state;
> if (IS_ENABLED(CONFIG_THERMAL)) {