From 91a306eee79353de56e5c2526a66c4619f283ce1 Mon Sep 17 00:00:00 2001
From: lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Tue, 26 May 2009 01:49:53 +0000
Subject: [PATCH] Correct the check to the valid device path. The device path
 can't be less than the basic header.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8381 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
index 90c67d87c6..d5ef60b7f5 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
@@ -147,7 +147,7 @@ GetDevicePath (
   //
   DevicePath  = (EFI_DEVICE_PATH_PROTOCOL *) DevicePathBuffer;
   while (!IsDevicePathEnd (DevicePath)) {
-    if ((DevicePath->Type == 0) || (DevicePath->SubType == 0) || (DevicePathNodeLength (DevicePath) > sizeof (EFI_DEV_PATH))) {
+    if ((DevicePath->Type == 0) || (DevicePath->SubType == 0) || (DevicePathNodeLength (DevicePath) < sizeof (EFI_DEVICE_PATH_PROTOCOL))) {
       //
       // Invalid device path
       //
-- 
2.39.2