From fbe12b79aef4c2706e90078cc75b94dcf7926ba8 Mon Sep 17 00:00:00 2001
From: ydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Mon, 18 Oct 2010 11:33:26 +0000
Subject: Refine code to make code run more safely.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10955 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c')

diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c
index be87ec5d98..2bb8cd943e 100644
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c
@@ -883,6 +883,8 @@ Ip4AccpetFrame (
       goto RESTART;
     }
   }
+  
+  ASSERT (Packet != NULL);
   Head  = Packet->Ip.Ip4;
   IP4_GET_CLIP_INFO (Packet)->Status = EFI_SUCCESS;
 
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