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author | Jim Cromie <jim.cromie@gmail.com> | 2006-10-08 21:56:29 +0200 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-10-18 13:03:08 -0700 |
commit | 34fc921a253f3ddfc4ad9de1dbc88683f84fbaaa (patch) | |
tree | 9e1bc568db0226d8dfaa6535fce80437696ea134 /drivers/hwmon/w83791d.c | |
parent | 73ed9a86cd77b6a3b46beec8d353ac3b0d4f50c1 (diff) | |
download | linux-stable-34fc921a253f3ddfc4ad9de1dbc88683f84fbaaa.tar.gz linux-stable-34fc921a253f3ddfc4ad9de1dbc88683f84fbaaa.tar.bz2 linux-stable-34fc921a253f3ddfc4ad9de1dbc88683f84fbaaa.zip |
w83791d: Fix unchecked return status
Replace all unchecked calls to device_create_file with a single group
declaration, and one call to sysfs_create_group, and check that one
return status. Also remove the files on device detach.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off by: Charles Spirakis <bezaur@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/hwmon/w83791d.c')
-rw-r--r-- | drivers/hwmon/w83791d.c | 85 |
1 files changed, 56 insertions, 29 deletions
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index 371ed4f69a97..9e5f885368b4 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -746,6 +746,52 @@ static ssize_t store_vrm_reg(struct device *dev, static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); +#define IN_UNIT_ATTRS(X) \ + &sda_in_input[X].dev_attr.attr, \ + &sda_in_min[X].dev_attr.attr, \ + &sda_in_max[X].dev_attr.attr + +#define FAN_UNIT_ATTRS(X) \ + &sda_fan_input[X].dev_attr.attr, \ + &sda_fan_min[X].dev_attr.attr, \ + &sda_fan_div[X].dev_attr.attr + +#define TEMP_UNIT_ATTRS(X) \ + &sda_temp_input[X].dev_attr.attr, \ + &sda_temp_max[X].dev_attr.attr, \ + &sda_temp_max_hyst[X].dev_attr.attr + +static struct attribute *w83791d_attributes[] = { + IN_UNIT_ATTRS(0), + IN_UNIT_ATTRS(1), + IN_UNIT_ATTRS(2), + IN_UNIT_ATTRS(3), + IN_UNIT_ATTRS(4), + IN_UNIT_ATTRS(5), + IN_UNIT_ATTRS(6), + IN_UNIT_ATTRS(7), + IN_UNIT_ATTRS(8), + IN_UNIT_ATTRS(9), + FAN_UNIT_ATTRS(0), + FAN_UNIT_ATTRS(1), + FAN_UNIT_ATTRS(2), + FAN_UNIT_ATTRS(3), + FAN_UNIT_ATTRS(4), + TEMP_UNIT_ATTRS(0), + TEMP_UNIT_ATTRS(1), + TEMP_UNIT_ATTRS(2), + &dev_attr_alarms.attr, + &sda_beep_ctrl[0].dev_attr.attr, + &sda_beep_ctrl[1].dev_attr.attr, + &dev_attr_cpu0_vid.attr, + &dev_attr_vrm.attr, + NULL +}; + +static const struct attribute_group w83791d_group = { + .attrs = w83791d_attributes, +}; + /* This function is called when: * w83791d_driver is inserted (when this module is loaded), for each available adapter @@ -967,41 +1013,20 @@ static int w83791d_detect(struct i2c_adapter *adapter, int address, int kind) } /* Register sysfs hooks */ + if ((err = sysfs_create_group(&client->dev.kobj, &w83791d_group))) + goto error3; + + /* Everything is ready, now register the working device */ data->class_dev = hwmon_device_register(dev); if (IS_ERR(data->class_dev)) { err = PTR_ERR(data->class_dev); - goto error3; + goto error4; } - for (i = 0; i < NUMBER_OF_VIN; i++) { - device_create_file(dev, &sda_in_input[i].dev_attr); - device_create_file(dev, &sda_in_min[i].dev_attr); - device_create_file(dev, &sda_in_max[i].dev_attr); - } - - for (i = 0; i < NUMBER_OF_FANIN; i++) { - device_create_file(dev, &sda_fan_input[i].dev_attr); - device_create_file(dev, &sda_fan_div[i].dev_attr); - device_create_file(dev, &sda_fan_min[i].dev_attr); - } - - for (i = 0; i < NUMBER_OF_TEMPIN; i++) { - device_create_file(dev, &sda_temp_input[i].dev_attr); - device_create_file(dev, &sda_temp_max[i].dev_attr); - device_create_file(dev, &sda_temp_max_hyst[i].dev_attr); - } - - device_create_file(dev, &dev_attr_alarms); - - for (i = 0; i < ARRAY_SIZE(sda_beep_ctrl); i++) { - device_create_file(dev, &sda_beep_ctrl[i].dev_attr); - } - - device_create_file(dev, &dev_attr_cpu0_vid); - device_create_file(dev, &dev_attr_vrm); - return 0; +error4: + sysfs_remove_group(&client->dev.kobj, &w83791d_group); error3: if (data->lm75[0] != NULL) { i2c_detach_client(data->lm75[0]); @@ -1025,8 +1050,10 @@ static int w83791d_detach_client(struct i2c_client *client) int err; /* main client */ - if (data) + if (data) { hwmon_device_unregister(data->class_dev); + sysfs_remove_group(&client->dev.kobj, &w83791d_group); + } if ((err = i2c_detach_client(client))) return err; |