queue-4.4/hwmon-pwm-fan-disable-pwm-if-fetching-cooling-data-fails.patch

   1 From 53f1647da3e8fb3e89066798f0fdc045064d353d Mon Sep 17 00:00:00 2001
   2 From: Stefan Wahren <stefan.wahren@i2se.com>
   3 Date: Wed, 3 Apr 2019 14:48:33 +0200
   4 Subject: hwmon: (pwm-fan) Disable PWM if fetching cooling data fails
   5
   6 From: Stefan Wahren <stefan.wahren@i2se.com>
   7
   8 commit 53f1647da3e8fb3e89066798f0fdc045064d353d upstream.
   9
  10 In case pwm_fan_of_get_cooling_data() fails we should disable the PWM
  11 just like in the other error cases.
  12
  13 Fixes: 2e5219c77183 ("hwmon: (pwm-fan) Read PWM FAN configuration from device tree")
  14 Cc: <stable@vger.kernel.org> # 4.14+
  15 Reported-by: Guenter Rock <linux@roeck-us.net>
  16 Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
  17 Signed-off-by: Guenter Roeck <linux@roeck-us.net>
  18 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  19
  20 ---
  21  drivers/hwmon/pwm-fan.c |    2 +-
  22  1 file changed, 1 insertion(+), 1 deletion(-)
  23
  24 --- a/drivers/hwmon/pwm-fan.c
  25 +++ b/drivers/hwmon/pwm-fan.c
  26 @@ -260,7 +260,7 @@ static int pwm_fan_probe(struct platform
  27
  28         ret = pwm_fan_of_get_cooling_data(&pdev->dev, ctx);
  29         if (ret)
  30 -               return ret;
  31 +               goto err_pwm_disable;
  32
  33         ctx->pwm_fan_state = ctx->pwm_fan_max_state;
  34         if (IS_ENABLED(CONFIG_THERMAL)) {