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path: root/drivers/hwmon/gpio-fan.c
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Diffstat (limited to 'drivers/hwmon/gpio-fan.c')
-rw-r--r--drivers/hwmon/gpio-fan.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index befe989ca7b9..fbf3f5a4ecb6 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -391,6 +391,9 @@ static int gpio_fan_set_cur_state(struct thermal_cooling_device *cdev,
if (!fan_data)
return -EINVAL;
+ if (state >= fan_data->num_speed)
+ return -EINVAL;
+
set_fan_speed(fan_data, state);
return 0;
}