From: klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Tue, 19 Dec 2006 02:44:36 +0000 (+0000)
Subject: Add more check for index whether exceed maximum value of fv count.
X-Git-Tag: edk2-stable201903~23763
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=95ed6470d1e3acdb355316138935e43052f72274

Add more check for index whether exceed maximum value of fv count.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2114 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/EdkModulePkg/Library/EdkFvbServiceLib/Ia32/Fvb.c b/EdkModulePkg/Library/EdkFvbServiceLib/Ia32/Fvb.c
index 222fb9bd4d..04693eb632 100644
--- a/EdkModulePkg/Library/EdkFvbServiceLib/Ia32/Fvb.c
+++ b/EdkModulePkg/Library/EdkFvbServiceLib/Ia32/Fvb.c
@@ -100,7 +100,11 @@ Returns:
       //
       // Use the next free slot for a new entry
       //
-      UpdateIndex                   = mFvbCount++;;
+      UpdateIndex                   = mFvbCount++;
+      //
+      // Check the UpdateIndex whether exceed the maximum value.
+      //
+      ASSERT (UpdateIndex < MAX_FVB_COUNT);
       mFvbEntry[UpdateIndex].Handle = Handle;
     }
     //