struct kobject * kobj = to_kobj(dentry->d_parent);
if (!attr->read)
- return -EINVAL;
+ return -EIO;
return attr->read(kobj, buffer, off, count);
}
struct kobject *kobj = to_kobj(dentry->d_parent);
if (!attr->write)
- return -EINVAL;
+ return -EIO;
return attr->write(kobj, buffer, offset, count);
}