From afbccd0a546ff235c5a49d1995d2df3f6f250d8c Mon Sep 17 00:00:00 2001
From: hhuan13 <hhuan13@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 28 Apr 2011 02:45:19 +0000
Subject: [PATCH] 1. Fixed a bug to make sure IP,Mask,Gateway survives across
 rest in case "ifconfig -s eth0 dhcp permenant".

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11603 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../Network/Ip4ConfigDxe/Ip4ConfigDriver.c         | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDriver.c b/MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDriver.c
index 9ed9ae82a8..f8aa51c8cd 100644
--- a/MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDriver.c
+++ b/MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDriver.c
@@ -308,19 +308,7 @@ Ip4ConfigDriverBindingStart (
   //
   NicConfig = Ip4ConfigReadVariable (Instance);
   if (NicConfig != NULL) {
-    if (NicConfig->Perment) {
-      if (NicConfig->Source == IP4_CONFIG_SOURCE_STATIC) {
-        //
-        // Don't modify the permanent static configuration.
-        //
-      } else if (NicConfig->Source == IP4_CONFIG_SOURCE_DHCP) {
-        //
-        // Remove the previous acquired DHCP parameters.
-        //
-        ZeroMem (&NicConfig->Ip4Info, sizeof (EFI_IP4_IPCONFIG_DATA));
-        Ip4ConfigWriteVariable (Instance, NicConfig);
-      }
-    } else {
+    if (!NicConfig->Perment) {
       //
       // Delete the non-permanent configuration.
       //