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hwmon: Fix unchecked return status, batch 3
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hwmon: Fix unchecked return status, batch 3

Fix up some hwmon drivers so that they no longer ignore return status
from device_create_file().

Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Mark M. Hoffman authored and Greg Kroah-Hartman committed Sep 28, 2006
1 parent 0501a38 commit 681c6f7
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Showing 5 changed files with 346 additions and 284 deletions.
31 changes: 22 additions & 9 deletions drivers/hwmon/adm1021.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,21 @@ static int adm1021_attach_adapter(struct i2c_adapter *adapter)
return i2c_probe(adapter, &addr_data, adm1021_detect);
}

static struct attribute *adm1021_attributes[] = {
&dev_attr_temp1_max.attr,
&dev_attr_temp1_min.attr,
&dev_attr_temp1_input.attr,
&dev_attr_temp2_max.attr,
&dev_attr_temp2_min.attr,
&dev_attr_temp2_input.attr,
&dev_attr_alarms.attr,
NULL
};

static const struct attribute_group adm1021_group = {
.attrs = adm1021_attributes,
};

static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind)
{
int i;
Expand Down Expand Up @@ -287,22 +302,19 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind)
adm1021_init_client(new_client);

/* Register sysfs hooks */
if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1021_group)))
goto error2;

data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
goto error2;
goto error3;
}

device_create_file(&new_client->dev, &dev_attr_temp1_max);
device_create_file(&new_client->dev, &dev_attr_temp1_min);
device_create_file(&new_client->dev, &dev_attr_temp1_input);
device_create_file(&new_client->dev, &dev_attr_temp2_max);
device_create_file(&new_client->dev, &dev_attr_temp2_min);
device_create_file(&new_client->dev, &dev_attr_temp2_input);
device_create_file(&new_client->dev, &dev_attr_alarms);

return 0;

error3:
sysfs_remove_group(&new_client->dev.kobj, &adm1021_group);
error2:
i2c_detach_client(new_client);
error1:
Expand All @@ -326,6 +338,7 @@ static int adm1021_detach_client(struct i2c_client *client)
int err;

hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &adm1021_group);

if ((err = i2c_detach_client(client)))
return err;
Expand Down
94 changes: 62 additions & 32 deletions drivers/hwmon/adm1025.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -315,6 +315,49 @@ static int adm1025_attach_adapter(struct i2c_adapter *adapter)
return i2c_probe(adapter, &addr_data, adm1025_detect);
}

static struct attribute *adm1025_attributes[] = {
&dev_attr_in0_input.attr,
&dev_attr_in1_input.attr,
&dev_attr_in2_input.attr,
&dev_attr_in3_input.attr,
&dev_attr_in5_input.attr,
&dev_attr_in0_min.attr,
&dev_attr_in1_min.attr,
&dev_attr_in2_min.attr,
&dev_attr_in3_min.attr,
&dev_attr_in5_min.attr,
&dev_attr_in0_max.attr,
&dev_attr_in1_max.attr,
&dev_attr_in2_max.attr,
&dev_attr_in3_max.attr,
&dev_attr_in5_max.attr,
&dev_attr_temp1_input.attr,
&dev_attr_temp2_input.attr,
&dev_attr_temp1_min.attr,
&dev_attr_temp2_min.attr,
&dev_attr_temp1_max.attr,
&dev_attr_temp2_max.attr,
&dev_attr_alarms.attr,
&dev_attr_cpu0_vid.attr,
&dev_attr_vrm.attr,
NULL
};

static const struct attribute_group adm1025_group = {
.attrs = adm1025_attributes,
};

static struct attribute *adm1025_attributes_opt[] = {
&dev_attr_in4_input.attr,
&dev_attr_in4_min.attr,
&dev_attr_in4_max.attr,
NULL
};

static const struct attribute_group adm1025_group_opt = {
.attrs = adm1025_attributes_opt,
};

/*
* The following function does more than just detection. If detection
* succeeds, it also registers the new chip.
Expand Down Expand Up @@ -415,46 +458,31 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
adm1025_init_client(new_client);

/* Register sysfs hooks */
data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1025_group)))
goto exit_detach;
}

device_create_file(&new_client->dev, &dev_attr_in0_input);
device_create_file(&new_client->dev, &dev_attr_in1_input);
device_create_file(&new_client->dev, &dev_attr_in2_input);
device_create_file(&new_client->dev, &dev_attr_in3_input);
device_create_file(&new_client->dev, &dev_attr_in5_input);
device_create_file(&new_client->dev, &dev_attr_in0_min);
device_create_file(&new_client->dev, &dev_attr_in1_min);
device_create_file(&new_client->dev, &dev_attr_in2_min);
device_create_file(&new_client->dev, &dev_attr_in3_min);
device_create_file(&new_client->dev, &dev_attr_in5_min);
device_create_file(&new_client->dev, &dev_attr_in0_max);
device_create_file(&new_client->dev, &dev_attr_in1_max);
device_create_file(&new_client->dev, &dev_attr_in2_max);
device_create_file(&new_client->dev, &dev_attr_in3_max);
device_create_file(&new_client->dev, &dev_attr_in5_max);
device_create_file(&new_client->dev, &dev_attr_temp1_input);
device_create_file(&new_client->dev, &dev_attr_temp2_input);
device_create_file(&new_client->dev, &dev_attr_temp1_min);
device_create_file(&new_client->dev, &dev_attr_temp2_min);
device_create_file(&new_client->dev, &dev_attr_temp1_max);
device_create_file(&new_client->dev, &dev_attr_temp2_max);
device_create_file(&new_client->dev, &dev_attr_alarms);
device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
device_create_file(&new_client->dev, &dev_attr_vrm);

/* Pin 11 is either in4 (+12V) or VID4 */
if (!(config & 0x20)) {
device_create_file(&new_client->dev, &dev_attr_in4_input);
device_create_file(&new_client->dev, &dev_attr_in4_min);
device_create_file(&new_client->dev, &dev_attr_in4_max);
if ((err = device_create_file(&new_client->dev,
&dev_attr_in4_input))
|| (err = device_create_file(&new_client->dev,
&dev_attr_in4_min))
|| (err = device_create_file(&new_client->dev,
&dev_attr_in4_max)))
goto exit_remove;
}

data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
goto exit_remove;
}

return 0;

exit_remove:
sysfs_remove_group(&new_client->dev.kobj, &adm1025_group);
sysfs_remove_group(&new_client->dev.kobj, &adm1025_group_opt);
exit_detach:
i2c_detach_client(new_client);
exit_free:
Expand Down Expand Up @@ -511,6 +539,8 @@ static int adm1025_detach_client(struct i2c_client *client)
int err;

hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &adm1025_group);
sysfs_remove_group(&client->dev.kobj, &adm1025_group_opt);

if ((err = i2c_detach_client(client)))
return err;
Expand Down
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