From 04bb6788ddc58a354e487ea27e5a4194102fc4b5 Mon Sep 17 00:00:00 2001
From: qianouyang <qianouyang@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Mon, 1 Feb 2010 09:53:52 +0000
Subject: =?UTF-8?q?MdeModulePkg\Library\DxeNetLib:=20Update=20the=20NetLib?=
 =?UTF-8?q?StrToIp6andPrefix()=20to=20return=20different=20values=20for=20?=
 =?UTF-8?q?two=20situations=20-=20=20a.=20=20The=20Input=20string=20doesn?=
 =?UTF-8?q?=E2=80=99t=20contain=20the=20prefix=20length;=20b.=20The=20pref?=
 =?UTF-8?q?ix=20length=20contains=20prefix=20length=20and=20the=20prefix?=
 =?UTF-8?q?=20length=20is=20zero.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9898 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Library/DxeNetLib/DxeNetLib.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c b/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
index d89ac64..a5a6762 100644
--- a/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
+++ b/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
@@ -2760,13 +2760,17 @@ NetLibStrToIp6andPrefix (
   }
 
   //
+  // If input string doesn't indicate the prefix length, return 0xff.
+  //
+  Length = 0xFF;
+  
+  //
   // Convert the string to prefix length
   //
-  Length = 0;
   if (PrefixStr != NULL) {
 
     Status = EFI_INVALID_PARAMETER;
-
+    Length = 0;
     while (*PrefixStr != '\0') {
       if (NET_IS_DIGIT (*PrefixStr)) {
         Length = (UINT8) (Length * 10 + (*PrefixStr - '0'));
-- 
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