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-rw-r--r--drivers/base/class.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 71059e3..a2b2896 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -163,6 +163,18 @@ static void klist_class_dev_put(struct klist_node *n)
put_device(dev);
}
+static int class_add_groups(struct class *cls,
+ const struct attribute_group **groups)
+{
+ return sysfs_create_groups(&cls->p->subsys.kobj, groups);
+}
+
+static void class_remove_groups(struct class *cls,
+ const struct attribute_group **groups)
+{
+ return sysfs_remove_groups(&cls->p->subsys.kobj, groups);
+}
+
int __class_register(struct class *cls, struct lock_class_key *key)
{
struct subsys_private *cp;
@@ -203,6 +215,8 @@ int __class_register(struct class *cls, struct lock_class_key *key)
kfree(cp);
return error;
}
+ error = class_add_groups(class_get(cls), cls->class_groups);
+ class_put(cls);
error = add_class_attrs(class_get(cls));
class_put(cls);
return error;
@@ -213,6 +227,7 @@ void class_unregister(struct class *cls)
{
pr_debug("device class '%s': unregistering\n", cls->name);
remove_class_attrs(cls);
+ class_remove_groups(cls, cls->class_groups);
kset_unregister(&cls->p->subsys);
}
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