xdr_stream_encode_opaque_fixed
if (xdr_stream_encode_opaque_fixed(xdr, value->private, SM_PRIV_SIZE) < 0)
if (xdr_stream_encode_opaque_fixed(xdr, value->private, SM_PRIV_SIZE) < 0)
xdr_stream_encode_opaque_fixed(xdr, rp->rp_buf, rp->rp_buflen);
WARN_ON_ONCE(xdr_stream_encode_opaque_fixed(xdr, buf, len) < 0);