Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelv...

[safe/jmp/linux-2.6] / drivers / hwmon / adt7473.c

diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c
index b9a8ea3..0a6ce23 100644 (file)
--- a/drivers/hwmon/adt7473.c
+++ b/drivers/hwmon/adt7473.c
@@ -357,7 +357,12 @@ static ssize_t set_volt_min(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10));
+       long volt;
+
+       if (strict_strtol(buf, 10, &volt))
+               return -EINVAL;
+
+       volt = encode_volt(attr->index, volt);
 
        mutex_lock(&data->lock);
        data->volt_min[attr->index] = volt;
@@ -386,7 +391,12 @@ static ssize_t set_volt_max(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10));
+       long volt;
+
+       if (strict_strtol(buf, 10, &volt))
+               return -EINVAL;
+
+       volt = encode_volt(attr->index, volt);
 
        mutex_lock(&data->lock);
        data->volt_max[attr->index] = volt;
@@ -419,7 +429,8 @@ static int decode_temp(u8 twos_complement, u8 raw)
 
 static u8 encode_temp(u8 twos_complement, int cooked)
 {
-       return twos_complement ? cooked & 0xFF : cooked + 64;
+       u8 ret = twos_complement ? cooked & 0xFF : cooked + 64;
+       return SENSORS_LIMIT(ret, 0, 255);
 }
 
 static ssize_t show_temp_min(struct device *dev,
@@ -441,7 +452,12 @@ static ssize_t set_temp_min(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10) / 1000;
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
+
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = encode_temp(data->temp_twos_complement, temp);
 
        mutex_lock(&data->lock);
@@ -472,7 +488,12 @@ static ssize_t set_temp_max(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10) / 1000;
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
+
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = encode_temp(data->temp_twos_complement, temp);
 
        mutex_lock(&data->lock);
@@ -515,11 +536,13 @@ static ssize_t set_fan_min(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10);
+       long temp;
 
-       if (!temp)
+       if (strict_strtol(buf, 10, &temp) || !temp)
                return -EINVAL;
+
        temp = FAN_RPM_TO_PERIOD(temp);
+       temp = SENSORS_LIMIT(temp, 1, 65534);
 
        mutex_lock(&data->lock);
        data->fan_min[attr->index] = temp;
@@ -558,7 +581,10 @@ static ssize_t set_max_duty_at_crit(struct device *dev,
        u8 reg;
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10);
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
 
        mutex_lock(&data->lock);
        data->max_duty_at_overheat = !!temp;
@@ -587,7 +613,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10);
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
+
+       temp = SENSORS_LIMIT(temp, 0, 255);
 
        mutex_lock(&data->lock);
        data->pwm[attr->index] = temp;
@@ -614,7 +645,12 @@ static ssize_t set_pwm_max(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10);
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
+
+       temp = SENSORS_LIMIT(temp, 0, 255);
 
        mutex_lock(&data->lock);
        data->pwm_max[attr->index] = temp;
@@ -642,7 +678,12 @@ static ssize_t set_pwm_min(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10);
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
+
+       temp = SENSORS_LIMIT(temp, 0, 255);
 
        mutex_lock(&data->lock);
        data->pwm_min[attr->index] = temp;
@@ -672,7 +713,12 @@ static ssize_t set_temp_tmax(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10) / 1000;
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
+
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = encode_temp(data->temp_twos_complement, temp);
 
        mutex_lock(&data->lock);
@@ -703,7 +749,12 @@ static ssize_t set_temp_tmin(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10) / 1000;
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
+
+       temp = DIV_ROUND_CLOSEST(temp, 1000);
        temp = encode_temp(data->temp_twos_complement, temp);
 
        mutex_lock(&data->lock);
@@ -741,7 +792,10 @@ static ssize_t set_pwm_enable(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10);
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
 
        switch (temp) {
        case 0:
@@ -805,7 +859,10 @@ static ssize_t set_pwm_auto_temp(struct device *dev,
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
        struct i2c_client *client = to_i2c_client(dev);
        struct adt7473_data *data = i2c_get_clientdata(client);
-       int temp = simple_strtol(buf, NULL, 10);
+       long temp;
+
+       if (strict_strtol(buf, 10, &temp))
+               return -EINVAL;
 
        switch (temp) {
        case 1: