Block allocateBackup if the node is not secure node.

        return BAD_VALUE;

    }

    if (!mIsSecure) {

        // This method is used only with secure codecs in this release.

        ALOGE("b/63522818");

        android_errorWriteLog(0x534e4554, "63522818");

        return ERROR_UNSUPPORTED;

    }

    BufferMeta *buffer_meta = new BufferMeta(size, portIndex);

    OMX_BUFFERHEADERTYPE *header;