From fc153004ffb5d21c53bfd7aa7b91d46f7deb39f6 Mon Sep 17 00:00:00 2001
From: qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Sun, 1 Feb 2009 10:05:38 +0000
Subject: [PATCH] The PCD library function will do ASSERT if CallBackFunction
 is NULL according to Mde Library Specification.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7386 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/Library/PeiPcdLib/PeiPcdLib.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MdePkg/Library/PeiPcdLib/PeiPcdLib.c b/MdePkg/Library/PeiPcdLib/PeiPcdLib.c
index c7aed6dbda..57cf646f6e 100644
--- a/MdePkg/Library/PeiPcdLib/PeiPcdLib.c
+++ b/MdePkg/Library/PeiPcdLib/PeiPcdLib.c
@@ -869,6 +869,8 @@ LibPcdCallbackOnSet (
 {
   EFI_STATUS Status;
 
+  ASSERT (NotificationFunction != NULL);
+
   Status = (GetPcdPpiPointer ())->CallbackOnSet (Guid, TokenNumber, NotificationFunction);
 
   ASSERT_EFI_ERROR (Status);
@@ -902,6 +904,8 @@ LibPcdCancelCallback (
 {
   EFI_STATUS Status;
 
+  ASSERT (NotificationFunction != NULL);
+
   Status = (GetPcdPpiPointer ())->CancelCallback (Guid, TokenNumber, NotificationFunction);
 
   ASSERT_EFI_ERROR (Status);
-- 
2.39.2