TftpError->OpCode = HTONS (EFI_MTFTP6_OPCODE_ERROR);\r
TftpError->Error.ErrorCode = HTONS (ErrCode);\r
\r
- AsciiStrCpyS ((CHAR8 *) TftpError->Error.ErrorMessage, sizeof (TftpError->Error.ErrorMessage) / sizeof (TftpError->Error.ErrorMessage[0]), (CHAR8 *) ErrInfo);\r
+ AsciiStrCpyS ((CHAR8 *) TftpError->Error.ErrorMessage, AsciiStrLen ((CHAR8 *) ErrInfo) + 1 , (CHAR8 *) ErrInfo);\r
\r
//\r
// Save the packet buf for retransmit\r