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NetworkPkg: Fix potential ASSERT if NetIp4IsUnicast is called

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Cc: Hegde Nagaraj P <nagaraj-p.hegde@hpe.com>
Cc: Subramanian Sriram <sriram-s@hpe.com>
Cc: Zhang Lubo <lubo.zhang@intel.com>
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: Hegde Nagaraj P <nagaraj-p.hegde@hpe.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Sriram Subramanian <sriram-s@hpe.com>
This commit is contained in:
Jiaxin Wu
2017-03-21 11:36:31 +08:00
parent d0e76ac5ce
commit ba0252808b
3 changed files with 8 additions and 6 deletions
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4
NetworkPkg/DnsDxe/DnsProtocol.c
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@@ -1,7 +1,7 @@
/** @file
Implementation of EFI_DNS4_PROTOCOL and EFI_DNS6_PROTOCOL interfaces.
Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2015 - 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
which accompanies this distribution. The full text of the license may be found at
@@ -246,7 +246,7 @@ Dns4Configure (
Netmask = NTOHL (Netmask);
if (!DnsConfigData->UseDefaultSetting &&
((!IP4_IS_VALID_NETMASK (Netmask) || !NetIp4IsUnicast (Ip, Netmask)))) {
((!IP4_IS_VALID_NETMASK (Netmask) || (Netmask != 0 && !NetIp4IsUnicast (Ip, Netmask))))) {
Status = EFI_INVALID_PARAMETER;
goto ON_EXIT;
}