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commit53f1647da3upstream. In case pwm_fan_of_get_cooling_data() fails we should disable the PWM just like in the other error cases. Fixes:2e5219c771("hwmon: (pwm-fan) Read PWM FAN configuration from device tree") Cc: <stable@vger.kernel.org> # 4.14+ Reported-by: Guenter Rock <linux@roeck-us.net> Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>