sysfs_add_file_mode_ns
return sysfs_add_file_mode_ns(kobj->sd, attr, attr->mode, uid, gid, ns);
error = sysfs_add_file_mode_ns(parent, attr, attr->mode, uid, gid,
error = sysfs_add_file_mode_ns(parent, *attr, (*attr)->mode,
error = sysfs_add_file_mode_ns(parent, *attr, mode, uid,
int sysfs_add_file_mode_ns(struct kernfs_node *parent,