 #ifdef CONFIG_COMPAT    if (cmd == NCP_IOC_GETPRIVATEDATA_00) {     struct compat_ncp_privatedata_ioctl user00;     if (copy_from_user(&user00, argp, sizeof(user00)))      return -EFAULT;     user.len = user00.len;     user.data = compat_ptr(user00.data);    } else #endif    if (copy_from_user(&user, argp, sizeof(user)))     return -EFAULT;     