ccm_header_size_null
areq_ctx->ccm_hdr_size = ccm_header_size_null;
if (areq_ctx->ccm_hdr_size != ccm_header_size_null) {
if (areq_ctx->ccm_hdr_size != ccm_header_size_null) {
if (mapped_nents == 1 && areq_ctx->ccm_hdr_size == ccm_header_size_null)
if (areq_ctx->ccm_hdr_size != ccm_header_size_null) {