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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-04 00:36:09 -0800
committerLen Brown <len.brown@intel.com>2009-12-16 12:52:49 -0500
commit0ad3dc3af8ba028368263b190a7a270f8d5cf5ae (patch)
tree162039f0cd9f5f79c04731f2a4e03781ef8852a9 /drivers
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
downloadop-kernel-dev-0ad3dc3af8ba028368263b190a7a270f8d5cf5ae.zip
op-kernel-dev-0ad3dc3af8ba028368263b190a7a270f8d5cf5ae.tar.gz
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.c39
1 files changed, 11 insertions, 28 deletions
diff --git a/drivers/platform/x86/tc1100-wmi.c b/drivers/platform/x86/tc1100-wmi.c
index 4416600..0d53d51 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;
}
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