[PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

[nickle.wang@hpe.com]

>From the function description of GetIfrBinaryData(), FormSetGuid can be NULL. However, FormSetGuid is passed to IsZeroGuid(). This causes exception when FormSetGuid is NULL.

Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
---
 MdeModulePkg/Universal/SetupBrowserDxe/Setup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
index 288f1c3197..82067b541c 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
@@ -2,6 +2,7 @@
 Entry and initialization module for the browser.
 
 Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -5844,7 +5845,7 @@ GetIfrBinaryData (
           //
           // Try to compare against formset GUID
           //
-          if (IsZeroGuid (FormSetGuid) ||
+          if (IsZeroGuid (ComparingGuid) ||
               CompareGuid (ComparingGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {
             break;
           }
-- 
2.20.1.windows.1