From ae0a0b06af78f698df71b18a1defb5aece2f21b4 Mon Sep 17 00:00:00 2001
From: xdu2 <xdu2@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 12 Aug 2010 04:46:11 +0000
Subject: [PATCH] Fix bug in Ip4Dxe and Dhcp4Dxe to ensure that RaiseTPL and
 RestoreTPL are in pair.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10790 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c | 11 ++++++-----
 MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c     |  3 ++-
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c
index 3223f8db17..e8e127da48 100644
--- a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c
+++ b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c
@@ -910,16 +910,17 @@ EfiDhcp4RenewRebind (
 
   if (DhcpSb->DhcpState == Dhcp4Stopped) {
     Status = EFI_NOT_STARTED;
-    goto ON_ERROR;
+    goto ON_EXIT;
   }
 
   if (DhcpSb->DhcpState != Dhcp4Bound) {
     Status = EFI_ACCESS_DENIED;
-    goto ON_ERROR;
+    goto ON_EXIT;
   }
 
   if (DHCP_IS_BOOTP (DhcpSb->Para)) {
-    return EFI_SUCCESS;
+    Status = EFI_SUCCESS;
+    goto ON_EXIT;
   }
 
   //
@@ -941,7 +942,7 @@ EfiDhcp4RenewRebind (
 
   if (EFI_ERROR (Status)) {
     DhcpSetState (DhcpSb, Dhcp4Bound, FALSE);
-    goto ON_ERROR;
+    goto ON_EXIT;
   }
 
   DhcpSb->ExtraRefresh        = TRUE;
@@ -961,7 +962,7 @@ EfiDhcp4RenewRebind (
 
   return EFI_SUCCESS;
 
-ON_ERROR:
+ON_EXIT:
   gBS->RestoreTPL (OldTpl);
   return Status;
 }
diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
index 37e2114d01..8974f5a5b7 100644
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
@@ -1241,7 +1241,8 @@ EfiIp4Configure (
       }
 
       if (Current->UseDefaultAddress && IP4_NO_MAPPING (IpInstance)) {
-        return EFI_NO_MAPPING;
+        Status = EFI_NO_MAPPING;
+        goto ON_EXIT;
       }
     }
   }
-- 
2.39.2