hwmon: Fix unchecked return status, batch 2
hwmon: Fix unchecked return status, batch 2
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>
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index e6c1b63..3ce8254 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -542,6 +542,78 @@
return i2c_probe(adapter, &addr_data, lm87_detect);
}
+static struct attribute *lm87_attributes[] = {
+ &dev_attr_in1_input.attr,
+ &dev_attr_in1_min.attr,
+ &dev_attr_in1_max.attr,
+ &dev_attr_in2_input.attr,
+ &dev_attr_in2_min.attr,
+ &dev_attr_in2_max.attr,
+ &dev_attr_in3_input.attr,
+ &dev_attr_in3_min.attr,
+ &dev_attr_in3_max.attr,
+ &dev_attr_in4_input.attr,
+ &dev_attr_in4_min.attr,
+ &dev_attr_in4_max.attr,
+
+ &dev_attr_temp1_input.attr,
+ &dev_attr_temp1_max.attr,
+ &dev_attr_temp1_min.attr,
+ &dev_attr_temp1_crit.attr,
+ &dev_attr_temp2_input.attr,
+ &dev_attr_temp2_max.attr,
+ &dev_attr_temp2_min.attr,
+ &dev_attr_temp2_crit.attr,
+
+ &dev_attr_alarms.attr,
+ &dev_attr_aout_output.attr,
+
+ NULL
+};
+
+static const struct attribute_group lm87_group = {
+ .attrs = lm87_attributes,
+};
+
+static struct attribute *lm87_attributes_opt[] = {
+ &dev_attr_in6_input.attr,
+ &dev_attr_in6_min.attr,
+ &dev_attr_in6_max.attr,
+
+ &dev_attr_fan1_input.attr,
+ &dev_attr_fan1_min.attr,
+ &dev_attr_fan1_div.attr,
+
+ &dev_attr_in7_input.attr,
+ &dev_attr_in7_min.attr,
+ &dev_attr_in7_max.attr,
+
+ &dev_attr_fan2_input.attr,
+ &dev_attr_fan2_min.attr,
+ &dev_attr_fan2_div.attr,
+
+ &dev_attr_temp3_input.attr,
+ &dev_attr_temp3_max.attr,
+ &dev_attr_temp3_min.attr,
+ &dev_attr_temp3_crit.attr,
+
+ &dev_attr_in0_input.attr,
+ &dev_attr_in0_min.attr,
+ &dev_attr_in0_max.attr,
+ &dev_attr_in5_input.attr,
+ &dev_attr_in5_min.attr,
+ &dev_attr_in5_max.attr,
+
+ &dev_attr_cpu0_vid.attr,
+ &dev_attr_vrm.attr,
+
+ NULL
+};
+
+static const struct attribute_group lm87_group_opt = {
+ .attrs = lm87_attributes_opt,
+};
+
/*
* The following function does more than just detection. If detection
* succeeds, it also registers the new chip.
@@ -609,77 +681,90 @@
data->in_scale[7] = 1875;
/* 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, &lm87_group)))
goto exit_detach;
- }
-
- device_create_file(&new_client->dev, &dev_attr_in1_input);
- device_create_file(&new_client->dev, &dev_attr_in1_min);
- device_create_file(&new_client->dev, &dev_attr_in1_max);
- device_create_file(&new_client->dev, &dev_attr_in2_input);
- device_create_file(&new_client->dev, &dev_attr_in2_min);
- device_create_file(&new_client->dev, &dev_attr_in2_max);
- device_create_file(&new_client->dev, &dev_attr_in3_input);
- device_create_file(&new_client->dev, &dev_attr_in3_min);
- device_create_file(&new_client->dev, &dev_attr_in3_max);
- 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 (data->channel & CHAN_NO_FAN(0)) {
- device_create_file(&new_client->dev, &dev_attr_in6_input);
- device_create_file(&new_client->dev, &dev_attr_in6_min);
- device_create_file(&new_client->dev, &dev_attr_in6_max);
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_in6_input))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in6_min))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in6_max)))
+ goto exit_remove;
} else {
- device_create_file(&new_client->dev, &dev_attr_fan1_input);
- device_create_file(&new_client->dev, &dev_attr_fan1_min);
- device_create_file(&new_client->dev, &dev_attr_fan1_div);
- }
- if (data->channel & CHAN_NO_FAN(1)) {
- device_create_file(&new_client->dev, &dev_attr_in7_input);
- device_create_file(&new_client->dev, &dev_attr_in7_min);
- device_create_file(&new_client->dev, &dev_attr_in7_max);
- } else {
- device_create_file(&new_client->dev, &dev_attr_fan2_input);
- device_create_file(&new_client->dev, &dev_attr_fan2_min);
- device_create_file(&new_client->dev, &dev_attr_fan2_div);
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_fan1_input))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_fan1_min))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_fan1_div)))
+ goto exit_remove;
}
- device_create_file(&new_client->dev, &dev_attr_temp1_input);
- 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_crit);
- device_create_file(&new_client->dev, &dev_attr_temp2_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_crit);
+ if (data->channel & CHAN_NO_FAN(1)) {
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_in7_input))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in7_min))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in7_max)))
+ goto exit_remove;
+ } else {
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_fan2_input))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_fan2_min))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_fan2_div)))
+ goto exit_remove;
+ }
if (data->channel & CHAN_TEMP3) {
- device_create_file(&new_client->dev, &dev_attr_temp3_input);
- device_create_file(&new_client->dev, &dev_attr_temp3_max);
- device_create_file(&new_client->dev, &dev_attr_temp3_min);
- device_create_file(&new_client->dev, &dev_attr_temp3_crit);
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_temp3_input))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_temp3_max))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_temp3_min))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_temp3_crit)))
+ goto exit_remove;
} else {
- device_create_file(&new_client->dev, &dev_attr_in0_input);
- device_create_file(&new_client->dev, &dev_attr_in0_min);
- device_create_file(&new_client->dev, &dev_attr_in0_max);
- device_create_file(&new_client->dev, &dev_attr_in5_input);
- device_create_file(&new_client->dev, &dev_attr_in5_min);
- device_create_file(&new_client->dev, &dev_attr_in5_max);
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_in0_input))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in0_min))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in0_max))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in5_input))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in5_min))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in5_max)))
+ goto exit_remove;
}
if (!(data->channel & CHAN_NO_VID)) {
- device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
- device_create_file(&new_client->dev, &dev_attr_vrm);
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_cpu0_vid))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_vrm)))
+ goto exit_remove;
}
- device_create_file(&new_client->dev, &dev_attr_alarms);
- device_create_file(&new_client->dev, &dev_attr_aout_output);
+ 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, &lm87_group);
+ sysfs_remove_group(&new_client->dev.kobj, &lm87_group_opt);
exit_detach:
i2c_detach_client(new_client);
exit_free:
@@ -732,6 +817,8 @@
int err;
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &lm87_group);
+ sysfs_remove_group(&client->dev.kobj, &lm87_group_opt);
if ((err = i2c_detach_client(client)))
return err;