def METHOD_NAME(tftpRootDirList):
    tftpRoot = bash("cat /etc/xinetd.d/tftp | grep server_args")
    if not tftpRoot.isSuccess():
        printError("Cannot get tftp root directory from /etc/xinetd.d/tftp, here may be something wrong with your tftp-server, try reinstall it\n")
        return False
    tftpRootDir = tftpRoot.getStdout()
    index = tftpRootDir.find("/")
    if index == -1:
        printError("Wrong server_arg in /etc/xinetd.d/tftp (%s)"%tftpRootDir)
        return False
    tftpRootDir = tftpRootDir[index:]
    tftpRootDirList.append(tftpRootDir)
    return True