UDL_CMD_WIDTH_MAX
if (width >= UDL_CMD_WIDTH_MAX)
width_cur = UDL_CMD_WIDTH_MAX;
if (width >= UDL_CMD_WIDTH_MAX)
width_cur = UDL_CMD_WIDTH_MAX;
if (width >= UDL_CMD_WIDTH_MAX)
width_cur = UDL_CMD_WIDTH_MAX;
if (width >= UDL_CMD_WIDTH_MAX)
endp = buf + UDL_CMD_WIDTH_MAX;
stride = uimin(sc->sc_width, UDL_CMD_WIDTH_MAX - 8);