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-rw-r--r--drivers/base/class.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 4f1df2e8fd7..b80d91cc8c3 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -47,6 +47,18 @@ static ssize_t class_attr_store(struct kobject *kobj, struct attribute *attr,
return ret;
}
+static const void *class_attr_namespace(struct kobject *kobj,
+ const struct attribute *attr)
+{
+ struct class_attribute *class_attr = to_class_attr(attr);
+ struct subsys_private *cp = to_subsys_private(kobj);
+ const void *ns = NULL;
+
+ if (class_attr->namespace)
+ ns = class_attr->namespace(cp->class, class_attr);
+ return ns;
+}
+
static void class_release(struct kobject *kobj)
{
struct subsys_private *cp = to_subsys_private(kobj);
@@ -72,8 +84,9 @@ static const struct kobj_ns_type_operations *class_child_ns_type(struct kobject
}
static const struct sysfs_ops class_sysfs_ops = {
- .show = class_attr_show,
- .store = class_attr_store,
+ .show = class_attr_show,
+ .store = class_attr_store,
+ .namespace = class_attr_namespace,
};
static struct kobj_type class_ktype = {