MdeModulePkg\Library\DxeNetLib: Update the NetLibStrToIp6andPrefix() to return different values for two situations - a. The Input string doesn’t contain the prefix length; b. The prefix length contains prefix length and the prefix length is zero.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9898 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 6 insertions, 2 deletions

diff --git a/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c b/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
index d89ac6483d..a5a6762985 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'));