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NetworkPkg/Dhcp6Dxe: Handle the Nil UUID case

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Nil UUID is a special case with all zeros value. This
patch is to handle this case to avoid the invalid DUID.

Cc: Naveen Santhapur <naveens@amiindia.co.in>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
This commit is contained in:
Jiaxin Wu
2017-02-24 11:16:37 +08:00
parent 3858b4a1ff
commit 03f9cc20b8
3 changed files with 7 additions and 4 deletions
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4
NetworkPkg/Dhcp6Dxe/Dhcp6Utility.c
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@ -2,7 +2,7 @@
Dhcp6 support functions implementation.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@ -64,7 +64,7 @@ Dhcp6GenerateClientId (
//
// If System UUID is found from SMBIOS Table, use DUID-UUID type.
//
if ((PcdGet8 (PcdDhcp6UidType) == Dhcp6DuidTypeUuid) && !EFI_ERROR (NetLibGetSystemGuid (&Uuid))) {
if ((PcdGet8 (PcdDhcp6UidType) == Dhcp6DuidTypeUuid) && !EFI_ERROR (NetLibGetSystemGuid (&Uuid)) && !CompareGuid (&Uuid, &gZeroGuid)) {
//
//
// The format of DUID-UUID: