hwmon: (gpio-fan) Prevent overflow problem when writing large limits

[profile/ivi/kernel-x86-ivi.git] / drivers / hwmon / gpio-fan.c

diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index 73181be..814f7ee 100644 (file)
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -173,7 +173,7 @@ static int get_fan_speed_index(struct gpio_fan_data *fan_data)
        return -ENODEV;
 }
 
-static int rpm_to_speed_index(struct gpio_fan_data *fan_data, int rpm)
+static int rpm_to_speed_index(struct gpio_fan_data *fan_data, unsigned long rpm)
 {
        struct gpio_fan_speed *speed = fan_data->speed;
        int i;