From bec55c33c77253cd71773cca8b4f15b9f99b2b14 Mon Sep 17 00:00:00 2001
From: Zhang Lubo <lubo.zhang@intel.com>
Date: Mon, 1 Feb 2016 11:29:57 +0800
Subject: [PATCH] NetworkPkg: Fix suspicious dereference of pointer 'Mode.Ia'

This patch is used to fix suspicious dereference of pointer 'Mode.Ia'
before NULL check.

Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
---
 NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c b/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c
index 6d39437252..8003f31491 100644
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c
@@ -2073,7 +2073,7 @@ PxeBcDhcp6Sarr (
     return Status;
   }
 
-  ASSERT (Mode.Ia->State == Dhcp6Bound);
+  ASSERT ((Mode.Ia != NULL) && (Mode.Ia->State == Dhcp6Bound));
   //
   // DHCP6 doesn't have an option to specify the router address on the subnet, the only way to get the
   // router address in IP6 is the router discovery mechanism (the RS and RA, which only be handled when