[PATCH 2/5] RedfishPkg: Prevent assertion of allocate zero length region

[Minh Nguyen <minhnguyen@os.amperecomputing.com>]

From: Vu Nguyen <vunguyen@os.amperecomputing.com>

This change also fix miscellaneous errors on condition checking and
debug argument missing.

Signed-off-by: Minh Nguyen <minhnguyen@os.amperecomputing.com>
---
 RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
index 583c6f78e19c..29e7b0624ebf 100644
--- a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
+++ b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
@@ -5,6 +5,7 @@
   (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
   Copyright (c) 2022, AMD Incorporated. All rights reserved.
   Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+  Copyright (c) 2023, Ampere Computing LLC. All rights reserved.<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -272,7 +273,7 @@ Tcp6GetSubnetInfo (
   if (IpModedata.AddressCount == 0) {
     DEBUG ((DEBUG_INFO, "%a: No IPv6 address configured.\n", __func__));
     Instance->SubnetAddrInfoIPv6Number = 0;
-    return EFI_SUCCESS;
+    return EFI_NOT_FOUND;
   }
 
   if (Instance->SubnetAddrInfoIPv6 != NULL) {
@@ -926,7 +927,7 @@ AddAndSignalNewRedfishService (
     }
 
     Status = gBS->SignalEvent (Instance->DiscoverToken->Event);
-    if (!EFI_ERROR (Status)) {
+    if (EFI_ERROR (Status)) {
       DEBUG ((DEBUG_ERROR, "%a:No event to signal!\n", __func__));
     }
   }
-- 
2.39.0