From 8932679df5be046feba30fae80776c5815232a08 Mon Sep 17 00:00:00 2001
From: Hao Wu <hao.a.wu@intel.com>
Date: Mon, 25 Sep 2017 09:46:31 +0800
Subject: [PATCH] MdeModulePkg/DxeCore: Add check to ensure no possible NULL
 ptr deref

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
---
 MdeModulePkg/Core/Dxe/Hand/Handle.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MdeModulePkg/Core/Dxe/Hand/Handle.c b/MdeModulePkg/Core/Dxe/Hand/Handle.c
index 3ed187b279..2db441725c 100644
--- a/MdeModulePkg/Core/Dxe/Hand/Handle.c
+++ b/MdeModulePkg/Core/Dxe/Hand/Handle.c
@@ -1178,6 +1178,7 @@ Done:
       // EFI_ALREADY_STARTED is not an error for bus driver.
       // Return the corresponding protocol interface.
       //
+      ASSERT (Prot != NULL);
       *Interface = Prot->Interface;
     } else if (Status == EFI_UNSUPPORTED) {
       //