hwmon: Fix off-by-one kind values
Recent changes on the I2C front have left off-by-one array indexes in
3 hwmon drivers. Fix them.
Faulty commit:
e5e9f44c2
i2c: Drop I2C_CLIENT_INSMOD_2 to 8
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Andre Prendel <andre.prendel@gmx.de>
Cc: stable@kernel.org
This commit is contained in:
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a44908d742
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@ -267,7 +267,7 @@ struct fschmd_data {
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struct list_head list; /* member of the watchdog_data_list */
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struct list_head list; /* member of the watchdog_data_list */
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struct kref kref;
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struct kref kref;
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struct miscdevice watchdog_miscdev;
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struct miscdevice watchdog_miscdev;
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int kind;
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enum chips kind;
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unsigned long watchdog_is_open;
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unsigned long watchdog_is_open;
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char watchdog_expect_close;
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char watchdog_expect_close;
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char watchdog_name[10]; /* must be unique to avoid sysfs conflict */
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char watchdog_name[10]; /* must be unique to avoid sysfs conflict */
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@ -325,8 +325,7 @@ static ssize_t show_in_value(struct device *dev,
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int index = to_sensor_dev_attr(devattr)->index;
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int index = to_sensor_dev_attr(devattr)->index;
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struct fschmd_data *data = fschmd_update_device(dev);
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struct fschmd_data *data = fschmd_update_device(dev);
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/* fscher / fschrc - 1 as data->kind is an array index, not a chips */
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if (data->kind == fscher || data->kind >= fschrc)
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if (data->kind == (fscher - 1) || data->kind >= (fschrc - 1))
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return sprintf(buf, "%d\n", (data->volt[index] * dmi_vref *
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return sprintf(buf, "%d\n", (data->volt[index] * dmi_vref *
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dmi_mult[index]) / 255 + dmi_offset[index]);
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dmi_mult[index]) / 255 + dmi_offset[index]);
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else
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else
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@ -492,7 +491,7 @@ static ssize_t show_pwm_auto_point1_pwm(struct device *dev,
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int val = data->fan_min[index];
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int val = data->fan_min[index];
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/* 0 = allow turning off (except on the syl), 1-255 = 50-100% */
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/* 0 = allow turning off (except on the syl), 1-255 = 50-100% */
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if (val || data->kind == fscsyl - 1)
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if (val || data->kind == fscsyl)
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val = val / 2 + 128;
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val = val / 2 + 128;
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return sprintf(buf, "%d\n", val);
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return sprintf(buf, "%d\n", val);
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@ -506,7 +505,7 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev,
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unsigned long v = simple_strtoul(buf, NULL, 10);
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unsigned long v = simple_strtoul(buf, NULL, 10);
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/* reg: 0 = allow turning off (except on the syl), 1-255 = 50-100% */
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/* reg: 0 = allow turning off (except on the syl), 1-255 = 50-100% */
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if (v || data->kind == fscsyl - 1) {
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if (v || data->kind == fscsyl) {
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v = SENSORS_LIMIT(v, 128, 255);
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v = SENSORS_LIMIT(v, 128, 255);
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v = (v - 128) * 2 + 1;
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v = (v - 128) * 2 + 1;
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}
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}
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@ -1037,7 +1036,7 @@ static int fschmd_detect(struct i2c_client *client,
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else
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else
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return -ENODEV;
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return -ENODEV;
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strlcpy(info->type, fschmd_id[kind - 1].name, I2C_NAME_SIZE);
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strlcpy(info->type, fschmd_id[kind].name, I2C_NAME_SIZE);
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return 0;
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return 0;
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}
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}
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@ -1065,6 +1064,7 @@ static int fschmd_probe(struct i2c_client *client,
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(where the client is found through a data ptr instead of the
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(where the client is found through a data ptr instead of the
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otherway around) */
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otherway around) */
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data->client = client;
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data->client = client;
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data->kind = kind;
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if (kind == fscpos) {
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if (kind == fscpos) {
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/* The Poseidon has hardwired temp limits, fill these
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/* The Poseidon has hardwired temp limits, fill these
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@ -1085,9 +1085,6 @@ static int fschmd_probe(struct i2c_client *client,
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}
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}
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}
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}
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/* i2c kind goes from 1-6, we want from 0-5 to address arrays */
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data->kind = kind - 1;
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/* Read in some never changing registers */
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/* Read in some never changing registers */
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data->revision = i2c_smbus_read_byte_data(client, FSCHMD_REG_REVISION);
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data->revision = i2c_smbus_read_byte_data(client, FSCHMD_REG_REVISION);
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data->global_control = i2c_smbus_read_byte_data(client,
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data->global_control = i2c_smbus_read_byte_data(client,
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@ -134,7 +134,7 @@ struct tmp401_data {
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struct mutex update_lock;
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struct mutex update_lock;
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char valid; /* zero until following fields are valid */
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char valid; /* zero until following fields are valid */
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unsigned long last_updated; /* in jiffies */
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unsigned long last_updated; /* in jiffies */
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int kind;
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enum chips kind;
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/* register values */
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/* register values */
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u8 status;
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u8 status;
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@ -524,7 +524,7 @@ static int tmp401_detect(struct i2c_client *client,
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if (reg > 15)
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if (reg > 15)
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return -ENODEV;
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return -ENODEV;
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strlcpy(info->type, tmp401_id[kind - 1].name, I2C_NAME_SIZE);
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strlcpy(info->type, tmp401_id[kind].name, I2C_NAME_SIZE);
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return 0;
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return 0;
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}
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}
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@ -572,8 +572,7 @@ static int tmp401_probe(struct i2c_client *client,
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goto exit_remove;
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goto exit_remove;
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}
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}
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dev_info(&client->dev, "Detected TI %s chip\n",
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dev_info(&client->dev, "Detected TI %s chip\n", names[data->kind]);
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names[data->kind - 1]);
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return 0;
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return 0;
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@ -254,9 +254,9 @@ static int tmp421_detect(struct i2c_client *client,
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return -ENODEV;
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return -ENODEV;
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}
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}
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strlcpy(info->type, tmp421_id[kind - 1].name, I2C_NAME_SIZE);
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strlcpy(info->type, tmp421_id[kind].name, I2C_NAME_SIZE);
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dev_info(&adapter->dev, "Detected TI %s chip at 0x%02x\n",
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dev_info(&adapter->dev, "Detected TI %s chip at 0x%02x\n",
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names[kind - 1], client->addr);
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names[kind], client->addr);
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return 0;
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return 0;
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}
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}
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