NetworkPkg: Fix assert caused by wrong parameter in AsciiStrCpyS()

[mirror_edk2.git] / NetworkPkg / Mtftp6Dxe / Mtftp6Support.c

diff --git a/NetworkPkg/Mtftp6Dxe/Mtftp6Support.c b/NetworkPkg/Mtftp6Dxe/Mtftp6Support.c
index 20888e8525e8d154258272e3732a9fd2733aeb6a..c31fc9dc27707b88815b00088559ae993cfd6d23 100644 (file)
--- a/NetworkPkg/Mtftp6Dxe/Mtftp6Support.c
+++ b/NetworkPkg/Mtftp6Dxe/Mtftp6Support.c
@@ -602,7 +602,7 @@ Mtftp6SendError (
   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