MdeModulePkg/Include/Library/IpIoLib.h | 4 +- MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c | 83 +++++++++++++++++----------- 2 files changed, 54 insertions(+), 33 deletions(-)
In DxeIpIo, there are several places not check the returned value of called functions.
This patch is to add the error handling to these functions.
Cc: Ye Ting <ting.ye@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Cc: Wang Fan <fan.wang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
---
MdeModulePkg/Include/Library/IpIoLib.h | 4 +-
MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c | 83 +++++++++++++++++-----------
2 files changed, 54 insertions(+), 33 deletions(-)
diff --git a/MdeModulePkg/Include/Library/IpIoLib.h b/MdeModulePkg/Include/Library/IpIoLib.h
index aab0c68059..a8496f729d 100644
--- a/MdeModulePkg/Include/Library/IpIoLib.h
+++ b/MdeModulePkg/Include/Library/IpIoLib.h
@@ -2,7 +2,7 @@
This library is only intended to be used by UEFI network stack modules.
It provides the combined IpIo layer on the EFI IP4 Protocol and EFI IP6 protocol.
-Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2005 - 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 that accompanies this distribution.
The full text of the license may be found at
@@ -426,7 +426,7 @@ IpIoSend (
IN IP_IO_IP_INFO *Sender OPTIONAL,
IN VOID *Context OPTIONAL,
IN VOID *NotifyData OPTIONAL,
- IN EFI_IP_ADDRESS *Dest,
+ IN EFI_IP_ADDRESS *Dest OPTIONAL,
IN IP_IO_OVERRIDE *OverrideData OPTIONAL
);
diff --git a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
index abc07fb0ff..6f312cccb2 100644
--- a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
+++ b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
@@ -2,7 +2,7 @@
IpIo Library.
(C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
-Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2005 - 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
@@ -234,24 +234,25 @@ IpIoCloseProtocolDestroyIpChild (
//
// Close the previously openned IP protocol.
//
- gBS->CloseProtocol (
- ChildHandle,
- IpProtocolGuid,
- ImageHandle,
- ControllerHandle
- );
+ Status = gBS->CloseProtocol (
+ ChildHandle,
+ IpProtocolGuid,
+ ImageHandle,
+ ControllerHandle
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
//
// Destroy the IP child.
//
- Status = NetLibDestroyServiceChild (
- ControllerHandle,
- ImageHandle,
- ServiceBindingGuid,
- ChildHandle
- );
-
- return Status;
+ return NetLibDestroyServiceChild (
+ ControllerHandle,
+ ImageHandle,
+ ServiceBindingGuid,
+ ChildHandle
+ );
}
/**
@@ -377,8 +378,14 @@ IpIoIcmpv4Handler (
TrimBytes = (UINT32) (PayLoadHdr - (UINT8 *) IcmpHdr);
NetbufTrim (Pkt, TrimBytes, TRUE);
-
- IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo->RcvdContext);
+
+ //
+ // If the input packet has invalid format, and TrimBytes is larger than
+ // the packet size, the NetbufTrim might trim the packet to zero.
+ //
+ if (Pkt->TotalSize != 0) {
+ IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo->RcvdContext);
+ }
return EFI_SUCCESS;
}
@@ -539,7 +546,13 @@ IpIoIcmpv6Handler (
NetbufTrim (Pkt, TrimBytes, TRUE);
- IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo->RcvdContext);
+ //
+ // If the input packet has invalid format, and TrimBytes is larger than
+ // the packet size, the NetbufTrim might trim the packet to zero.
+ //
+ if (Pkt->TotalSize != 0) {
+ IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo->RcvdContext);
+ }
return EFI_SUCCESS;
}
@@ -1540,7 +1553,7 @@ IpIoSend (
IN IP_IO_IP_INFO *Sender OPTIONAL,
IN VOID *Context OPTIONAL,
IN VOID *NotifyData OPTIONAL,
- IN EFI_IP_ADDRESS *Dest,
+ IN EFI_IP_ADDRESS *Dest OPTIONAL,
IN IP_IO_OVERRIDE *OverrideData OPTIONAL
)
{
@@ -1791,7 +1804,7 @@ IpIoConfigIp (
}
if (IpConfigData != NULL) {
- if (IpInfo->IpVersion == IP_VERSION_4){
+ if (IpInfo->IpVersion == IP_VERSION_4) {
if (((EFI_IP4_CONFIG_DATA *) IpConfigData)->UseDefaultAddress) {
Ip.Ip4->GetModeData (
@@ -1800,10 +1813,14 @@ IpIoConfigIp (
NULL,
NULL
);
+ if (EFI_ERROR (Status)) {
+ Ip.Ip4->Configure (Ip.Ip4, NULL);
+ goto OnExit;
+ }
IP4_COPY_ADDRESS (&((EFI_IP4_CONFIG_DATA*) IpConfigData)->StationAddress, &Ip4ModeData.ConfigData.StationAddress);
IP4_COPY_ADDRESS (&((EFI_IP4_CONFIG_DATA*) IpConfigData)->SubnetMask, &Ip4ModeData.ConfigData.SubnetMask);
- }
+ }
CopyMem (
&IpInfo->Addr.Addr,
@@ -1820,16 +1837,20 @@ IpIoConfigIp (
Ip.Ip4,
&IpInfo->DummyRcvToken.Ip4Token
);
- if (EFI_ERROR (Status)) {
- Ip.Ip4->Configure (Ip.Ip4, NULL);
- }
- } else {
- Ip.Ip6->GetModeData (
- Ip.Ip6,
- &Ip6ModeData,
- NULL,
- NULL
- );
+ if (EFI_ERROR (Status)) {
+ Ip.Ip4->Configure (Ip.Ip4, NULL);
+ }
+ } else {
+ Ip.Ip6->GetModeData (
+ Ip.Ip6,
+ &Ip6ModeData,
+ NULL,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ Ip.Ip6->Configure (Ip.Ip6, NULL);
+ goto OnExit;
+ }
if (Ip6ModeData.IsConfigured) {
CopyMem (
--
2.13.0.windows.1
_______________________________________________
edk2-devel mailing list
edk2-devel@lists.01.org
https://lists.01.org/mailman/listinfo/edk2-devel
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Fu,
> Siyuan
> Sent: Wednesday, December 13, 2017 3:07 PM
> To: edk2-devel@lists.01.org
> Cc: Ye, Ting <ting.ye@intel.com>; Wang, Fan <fan.wang@intel.com>; Wu,
> Jiaxin <jiaxin.wu@intel.com>
> Subject: [edk2] [Patch] MdeModulePkg/IpIoLib: add more error handling
> code to DxeIpIoLib.
>
> In DxeIpIo, there are several places not check the returned value of called
> functions.
> This patch is to add the error handling to these functions.
>
> Cc: Ye Ting <ting.ye@intel.com>
> Cc: Wu Jiaxin <jiaxin.wu@intel.com>
> Cc: Wang Fan <fan.wang@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
> ---
> MdeModulePkg/Include/Library/IpIoLib.h | 4 +-
> MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c | 83
> +++++++++++++++++-----------
> 2 files changed, 54 insertions(+), 33 deletions(-)
>
> diff --git a/MdeModulePkg/Include/Library/IpIoLib.h
> b/MdeModulePkg/Include/Library/IpIoLib.h
> index aab0c68059..a8496f729d 100644
> --- a/MdeModulePkg/Include/Library/IpIoLib.h
> +++ b/MdeModulePkg/Include/Library/IpIoLib.h
> @@ -2,7 +2,7 @@
> This library is only intended to be used by UEFI network stack modules.
> It provides the combined IpIo layer on the EFI IP4 Protocol and EFI IP6
> protocol.
>
> -Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>
> +Copyright (c) 2005 - 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 that accompanies this
> distribution.
> The full text of the license may be found at
> @@ -426,7 +426,7 @@ IpIoSend (
> IN IP_IO_IP_INFO *Sender OPTIONAL,
> IN VOID *Context OPTIONAL,
> IN VOID *NotifyData OPTIONAL,
> - IN EFI_IP_ADDRESS *Dest,
> + IN EFI_IP_ADDRESS *Dest OPTIONAL,
> IN IP_IO_OVERRIDE *OverrideData OPTIONAL
> );
>
> diff --git a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
> b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
> index abc07fb0ff..6f312cccb2 100644
> --- a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
> +++ b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
> @@ -2,7 +2,7 @@
> IpIo Library.
>
> (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
> -Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>
> +Copyright (c) 2005 - 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
> @@ -234,24 +234,25 @@ IpIoCloseProtocolDestroyIpChild (
> //
> // Close the previously openned IP protocol.
> //
> - gBS->CloseProtocol (
> - ChildHandle,
> - IpProtocolGuid,
> - ImageHandle,
> - ControllerHandle
> - );
> + Status = gBS->CloseProtocol (
> + ChildHandle,
> + IpProtocolGuid,
> + ImageHandle,
> + ControllerHandle
> + );
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
>
> //
> // Destroy the IP child.
> //
> - Status = NetLibDestroyServiceChild (
> - ControllerHandle,
> - ImageHandle,
> - ServiceBindingGuid,
> - ChildHandle
> - );
> -
> - return Status;
> + return NetLibDestroyServiceChild (
> + ControllerHandle,
> + ImageHandle,
> + ServiceBindingGuid,
> + ChildHandle
> + );
> }
>
> /**
> @@ -377,8 +378,14 @@ IpIoIcmpv4Handler (
> TrimBytes = (UINT32) (PayLoadHdr - (UINT8 *) IcmpHdr);
>
> NetbufTrim (Pkt, TrimBytes, TRUE);
> -
> - IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo-
> >RcvdContext);
> +
> + //
> + // If the input packet has invalid format, and TrimBytes is larger than
> + // the packet size, the NetbufTrim might trim the packet to zero.
> + //
> + if (Pkt->TotalSize != 0) {
> + IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo-
> >RcvdContext);
> + }
>
> return EFI_SUCCESS;
> }
> @@ -539,7 +546,13 @@ IpIoIcmpv6Handler (
>
> NetbufTrim (Pkt, TrimBytes, TRUE);
>
> - IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo-
> >RcvdContext);
> + //
> + // If the input packet has invalid format, and TrimBytes is larger than
> + // the packet size, the NetbufTrim might trim the packet to zero.
> + //
> + if (Pkt->TotalSize != 0) {
> + IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo-
> >RcvdContext);
> + }
>
> return EFI_SUCCESS;
> }
> @@ -1540,7 +1553,7 @@ IpIoSend (
> IN IP_IO_IP_INFO *Sender OPTIONAL,
> IN VOID *Context OPTIONAL,
> IN VOID *NotifyData OPTIONAL,
> - IN EFI_IP_ADDRESS *Dest,
> + IN EFI_IP_ADDRESS *Dest OPTIONAL,
> IN IP_IO_OVERRIDE *OverrideData OPTIONAL
> )
> {
> @@ -1791,7 +1804,7 @@ IpIoConfigIp (
> }
>
> if (IpConfigData != NULL) {
> - if (IpInfo->IpVersion == IP_VERSION_4){
> + if (IpInfo->IpVersion == IP_VERSION_4) {
>
> if (((EFI_IP4_CONFIG_DATA *) IpConfigData)->UseDefaultAddress) {
> Ip.Ip4->GetModeData (
> @@ -1800,10 +1813,14 @@ IpIoConfigIp (
> NULL,
> NULL
> );
> + if (EFI_ERROR (Status)) {
> + Ip.Ip4->Configure (Ip.Ip4, NULL);
> + goto OnExit;
> + }
>
> IP4_COPY_ADDRESS (&((EFI_IP4_CONFIG_DATA*) IpConfigData)-
> >StationAddress, &Ip4ModeData.ConfigData.StationAddress);
> IP4_COPY_ADDRESS (&((EFI_IP4_CONFIG_DATA*) IpConfigData)-
> >SubnetMask, &Ip4ModeData.ConfigData.SubnetMask);
> - }
> + }
>
> CopyMem (
> &IpInfo->Addr.Addr,
> @@ -1820,16 +1837,20 @@ IpIoConfigIp (
> Ip.Ip4,
> &IpInfo->DummyRcvToken.Ip4Token
> );
> - if (EFI_ERROR (Status)) {
> - Ip.Ip4->Configure (Ip.Ip4, NULL);
> - }
> - } else {
> - Ip.Ip6->GetModeData (
> - Ip.Ip6,
> - &Ip6ModeData,
> - NULL,
> - NULL
> - );
> + if (EFI_ERROR (Status)) {
> + Ip.Ip4->Configure (Ip.Ip4, NULL);
> + }
> + } else {
> + Ip.Ip6->GetModeData (
> + Ip.Ip6,
> + &Ip6ModeData,
> + NULL,
> + NULL
> + );
> + if (EFI_ERROR (Status)) {
> + Ip.Ip6->Configure (Ip.Ip6, NULL);
> + goto OnExit;
> + }
>
> if (Ip6ModeData.IsConfigured) {
> CopyMem (
> --
> 2.13.0.windows.1
>
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel
_______________________________________________
edk2-devel mailing list
edk2-devel@lists.01.org
https://lists.01.org/mailman/listinfo/edk2-devel
Hi Siyuan,
Please add "status =" for calling GetModeData with IP4/IP6. Others are good to me.
+ Ip.Ip6->GetModeData (
+ Ip.Ip6,
+ &Ip6ModeData,
+ NULL,
+ NULL
+ );
Reviewed-by: Ye Ting <ting.ye@intel.com>
Best Regards,
Ting
-----Original Message-----
From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Fu, Siyuan
Sent: Wednesday, December 13, 2017 3:07 PM
To: edk2-devel@lists.01.org
Cc: Ye, Ting <ting.ye@intel.com>; Wang, Fan <fan.wang@intel.com>; Wu, Jiaxin <jiaxin.wu@intel.com>
Subject: [edk2] [Patch] MdeModulePkg/IpIoLib: add more error handling code to DxeIpIoLib.
In DxeIpIo, there are several places not check the returned value of called functions.
This patch is to add the error handling to these functions.
Cc: Ye Ting <ting.ye@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Cc: Wang Fan <fan.wang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
---
MdeModulePkg/Include/Library/IpIoLib.h | 4 +-
MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c | 83 +++++++++++++++++-----------
2 files changed, 54 insertions(+), 33 deletions(-)
diff --git a/MdeModulePkg/Include/Library/IpIoLib.h b/MdeModulePkg/Include/Library/IpIoLib.h
index aab0c68059..a8496f729d 100644
--- a/MdeModulePkg/Include/Library/IpIoLib.h
+++ b/MdeModulePkg/Include/Library/IpIoLib.h
@@ -2,7 +2,7 @@
This library is only intended to be used by UEFI network stack modules.
It provides the combined IpIo layer on the EFI IP4 Protocol and EFI IP6 protocol.
-Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2005 - 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 that accompanies this distribution.
The full text of the license may be found at @@ -426,7 +426,7 @@ IpIoSend (
IN IP_IO_IP_INFO *Sender OPTIONAL,
IN VOID *Context OPTIONAL,
IN VOID *NotifyData OPTIONAL,
- IN EFI_IP_ADDRESS *Dest,
+ IN EFI_IP_ADDRESS *Dest OPTIONAL,
IN IP_IO_OVERRIDE *OverrideData OPTIONAL
);
diff --git a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
index abc07fb0ff..6f312cccb2 100644
--- a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
+++ b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
@@ -2,7 +2,7 @@
IpIo Library.
(C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR> -Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2005 - 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 @@ -234,24 +234,25 @@ IpIoCloseProtocolDestroyIpChild (
//
// Close the previously openned IP protocol.
//
- gBS->CloseProtocol (
- ChildHandle,
- IpProtocolGuid,
- ImageHandle,
- ControllerHandle
- );
+ Status = gBS->CloseProtocol (
+ ChildHandle,
+ IpProtocolGuid,
+ ImageHandle,
+ ControllerHandle
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
//
// Destroy the IP child.
//
- Status = NetLibDestroyServiceChild (
- ControllerHandle,
- ImageHandle,
- ServiceBindingGuid,
- ChildHandle
- );
-
- return Status;
+ return NetLibDestroyServiceChild (
+ ControllerHandle,
+ ImageHandle,
+ ServiceBindingGuid,
+ ChildHandle
+ );
}
/**
@@ -377,8 +378,14 @@ IpIoIcmpv4Handler (
TrimBytes = (UINT32) (PayLoadHdr - (UINT8 *) IcmpHdr);
NetbufTrim (Pkt, TrimBytes, TRUE);
-
- IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo->RcvdContext);
+
+ //
+ // If the input packet has invalid format, and TrimBytes is larger
+ than // the packet size, the NetbufTrim might trim the packet to zero.
+ //
+ if (Pkt->TotalSize != 0) {
+ IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt,
+ IpIo->RcvdContext); }
return EFI_SUCCESS;
}
@@ -539,7 +546,13 @@ IpIoIcmpv6Handler (
NetbufTrim (Pkt, TrimBytes, TRUE);
- IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo->RcvdContext);
+ //
+ // If the input packet has invalid format, and TrimBytes is larger
+ than // the packet size, the NetbufTrim might trim the packet to zero.
+ //
+ if (Pkt->TotalSize != 0) {
+ IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt,
+ IpIo->RcvdContext); }
return EFI_SUCCESS;
}
@@ -1540,7 +1553,7 @@ IpIoSend (
IN IP_IO_IP_INFO *Sender OPTIONAL,
IN VOID *Context OPTIONAL,
IN VOID *NotifyData OPTIONAL,
- IN EFI_IP_ADDRESS *Dest,
+ IN EFI_IP_ADDRESS *Dest OPTIONAL,
IN IP_IO_OVERRIDE *OverrideData OPTIONAL
)
{
@@ -1791,7 +1804,7 @@ IpIoConfigIp (
}
if (IpConfigData != NULL) {
- if (IpInfo->IpVersion == IP_VERSION_4){
+ if (IpInfo->IpVersion == IP_VERSION_4) {
if (((EFI_IP4_CONFIG_DATA *) IpConfigData)->UseDefaultAddress) {
Ip.Ip4->GetModeData (
@@ -1800,10 +1813,14 @@ IpIoConfigIp (
NULL,
NULL
);
+ if (EFI_ERROR (Status)) {
+ Ip.Ip4->Configure (Ip.Ip4, NULL);
+ goto OnExit;
+ }
IP4_COPY_ADDRESS (&((EFI_IP4_CONFIG_DATA*) IpConfigData)->StationAddress, &Ip4ModeData.ConfigData.StationAddress);
IP4_COPY_ADDRESS (&((EFI_IP4_CONFIG_DATA*) IpConfigData)->SubnetMask, &Ip4ModeData.ConfigData.SubnetMask);
- }
+ }
CopyMem (
&IpInfo->Addr.Addr,
@@ -1820,16 +1837,20 @@ IpIoConfigIp (
Ip.Ip4,
&IpInfo->DummyRcvToken.Ip4Token
);
- if (EFI_ERROR (Status)) {
- Ip.Ip4->Configure (Ip.Ip4, NULL);
- }
- } else {
- Ip.Ip6->GetModeData (
- Ip.Ip6,
- &Ip6ModeData,
- NULL,
- NULL
- );
+ if (EFI_ERROR (Status)) {
+ Ip.Ip4->Configure (Ip.Ip4, NULL);
+ }
+ } else {
+ Ip.Ip6->GetModeData (
+ Ip.Ip6,
+ &Ip6ModeData,
+ NULL,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ Ip.Ip6->Configure (Ip.Ip6, NULL);
+ goto OnExit;
+ }
if (Ip6ModeData.IsConfigured) {
CopyMem (
--
2.13.0.windows.1
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