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MdeModulePkg/DxeNetLib: Fix an error in packet length counting. 

* In old implementation, the operation len-- assumes AsciiSPrint()
  has counted NULL terminator, and it's not correct. This patch is
  to fix this issue.

Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wang Fan <fan.wang@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
This commit is contained in:
Wang Fan 2018-01-03 10:24:53 +08:00 committed by Fu Siyuan
parent cf4a8fa455
commit c5fcec8c3f
1 changed files with 1 additions and 2 deletions
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3
MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
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@ -403,7 +403,6 @@ SyslogBuildPacket (
Time.Minute, Time.Minute,
Time.Second Time.Second
); );
Len--;
Len += (UINT32) AsciiSPrint ( Len += (UINT32) AsciiSPrint (
Buf + Len, Buf + Len,
@ -414,7 +413,7 @@ SyslogBuildPacket (
Line, Line,
File File
); );
Len--; Len ++;
// //
// OK, patch the IP length/checksum and UDP length fields. // OK, patch the IP length/checksum and UDP length fields.