diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-12-04 09:36:09 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-12-16 18:52:49 +0100 |
| commit | 0ad3dc3af8ba028368263b190a7a270f8d5cf5ae (patch) | |
| tree | 162039f0cd9f5f79c04731f2a4e03781ef8852a9 /drivers | |
| parent | Linux 2.6.32 (diff) | |
| download | linux-0ad3dc3af8ba028368263b190a7a270f8d5cf5ae.tar.xz linux-0ad3dc3af8ba028368263b190a7a270f8d5cf5ae.zip | |
tc1100-wmi - switch to using attribute group
Sysfs attribute group takes care of proper creation of a set of attributes
and implements proper error unwinding so the driver does not have to do it.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/platform/x86/tc1100-wmi.c | 39 |
1 files changed, 11 insertions, 28 deletions
diff --git a/drivers/platform/x86/tc1100-wmi.c b/drivers/platform/x86/tc1100-wmi.c index 44166003d4ef..0d53d5166574 100644 --- a/drivers/platform/x86/tc1100-wmi.c +++ b/drivers/platform/x86/tc1100-wmi.c @@ -183,30 +183,15 @@ static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \ show_set_bool(wireless, TC1100_INSTANCE_WIRELESS); show_set_bool(jogdial, TC1100_INSTANCE_JOGDIAL); -static void remove_fs(void) -{ - device_remove_file(&tc1100_device->dev, &dev_attr_wireless); - device_remove_file(&tc1100_device->dev, &dev_attr_jogdial); -} - -static int add_fs(void) -{ - int ret; - - ret = device_create_file(&tc1100_device->dev, &dev_attr_wireless); - if (ret) - goto add_sysfs_error; - - ret = device_create_file(&tc1100_device->dev, &dev_attr_jogdial); - if (ret) - goto add_sysfs_error; - - return ret; +static struct attribute *tc1100_attributes[] = { + &dev_attr_wireless.attr, + &dev_attr_jogdial.attr, + NULL +}; -add_sysfs_error: - remove_fs(); - return ret; -} +static struct attribute_group tc1100_attribute_group = { + .attrs = tc1100_attributes, +}; /* -------------------------------------------------------------------------- Driver Model @@ -214,16 +199,14 @@ add_sysfs_error: static int tc1100_probe(struct platform_device *device) { - int result = 0; - - result = add_fs(); - return result; + return sysfs_create_group(&device->dev.kobj, &tc1100_attribute_group); } static int tc1100_remove(struct platform_device *device) { - remove_fs(); + sysfs_remove_group(&device->dev.kobj, &tc1100_attribute_group); + return 0; } |