Signed-off-by: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx>
---
drivers/hwmon/lm63.c | 74 +++++++++++++++++++++++++++++++++++--------------
1 files changed, 53 insertions(+), 21 deletions(-)
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index 508cb29..e02d7f0 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -204,7 +204,12 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *dummy,
{
struct i2c_client *client = to_i2c_client(dev);
struct lm63_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->fan[1] = FAN_TO_REG(val);
@@ -231,11 +236,15 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *dummy,
struct i2c_client *client = to_i2c_client(dev);
struct lm63_data *data = i2c_get_clientdata(client);
unsigned long val;
-
+ int err;
+
if (!(data->config_fan & 0x20)) /* register is read-only */
return -EPERM;
- val = simple_strtoul(buf, NULL, 10);
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
mutex_lock(&data->update_lock);
data->pwm1_value = val <= 0 ? 0 :
val >= 255 ? 2 * data->pwm1_freq :
@@ -245,8 +254,8 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *dummy,
return count;
}
-static ssize_t show_pwm1_enable(struct device *dev, struct device_attribute *dummy,
- char *buf)
+static ssize_t show_pwm1_enable(struct device *dev,
+ struct device_attribute *dummy, char *buf)
{
struct lm63_data *data = lm63_update_device(dev);
return sprintf(buf, "%d\n", data->config_fan & 0x20 ? 1 : 2);
@@ -283,7 +292,12 @@ static ssize_t set_local_temp8(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct lm63_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp8[1] = TEMP8_TO_REG(val);
@@ -314,9 +328,14 @@ static ssize_t set_temp11(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 lm63_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
int nr = attr->index;
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
+
mutex_lock(&data->update_lock);
data->temp11[nr] = TEMP11_TO_REG(val - data->temp2_offset);
i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
@@ -327,10 +346,12 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
return count;
}
-/* Hysteresis register holds a relative value, while we want to present
- an absolute to user-space */
-static ssize_t show_temp2_crit_hyst(struct device *dev, struct device_attribute *dummy,
- char *buf)
+/*
+ * Hysteresis register holds a relative value, while we want to present
+ * an absolute to user-space
+ */
+static ssize_t show_temp2_crit_hyst(struct device *dev,
+ struct device_attribute *dummy, char *buf)
{
struct lm63_data *data = lm63_update_device(dev);
return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp8[2])
@@ -338,16 +359,24 @@ static ssize_t show_temp2_crit_hyst(struct device *dev, struct device_attribute
- TEMP8_FROM_REG(data->temp2_crit_hyst));
}
-/* And now the other way around, user-space provides an absolute
- hysteresis value and we have to store a relative one */
-static ssize_t set_temp2_crit_hyst(struct device *dev, struct device_attribute *dummy,
+/*
+ * And now the other way around, user-space provides an absolute
+ * hysteresis value and we have to store a relative one
+ */
+static ssize_t set_temp2_crit_hyst(struct device *dev,
+ struct device_attribute *dummy,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm63_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
long hyst;
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
+
mutex_lock(&data->update_lock);
hyst = TEMP8_FROM_REG(data->temp8[2]) + data->temp2_offset - val;
i2c_smbus_write_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST,
@@ -518,12 +547,13 @@ static int lm63_probe(struct i2c_client *new_client,
lm63_init_client(new_client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&new_client->dev.kobj,
- &lm63_group)))
+ err = sysfs_create_group(&new_client->dev.kobj, &lm63_group);
+ if (err)
goto exit_free;
if (data->config & 0x04) { /* tachometer enabled */
- if ((err = sysfs_create_group(&new_client->dev.kobj,
- &lm63_group_fan1)))
+ err = sysfs_create_group(&new_client->dev.kobj,
+ &lm63_group_fan1);
+ if (err)
goto exit_remove_files;
}
@@ -544,8 +574,10 @@ exit:
return err;
}
-/* Idealy we shouldn't have to initialize anything, since the BIOS
- should have taken care of everything */
+/*
+ * Ideally we shouldn't have to initialize anything, since the BIOS
+ * should have taken care of everything
+ */
static void lm63_init_client(struct i2c_client *client)
{
struct lm63_data *data = i2c_get_clientdata(client);
--
1.7.3.1
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