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MdeModulePkg/Dhcp4Dxe: Check Media status before starting DHCP process.

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This patch is to resolve the issue reported @
https://bugzilla.tianocore.org/show_bug.cgi?id=804.

Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Karunakar P <karunakarp@amiindia.co.in>
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
(cherry picked from commit 5d34573df9)
This commit is contained in:
Jiaxin Wu
2017-11-29 14:34:26 +08:00
parent c1e6864d35
commit 3a357bf404
1 changed files with 12 additions and 1 deletions
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13
MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c
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@@ -1,7 +1,7 @@
/** @file /** @file
This file implement the EFI_DHCP4_PROTOCOL interface. This file implement the EFI_DHCP4_PROTOCOL interface.
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR> Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at
@@ -780,6 +780,7 @@ EfiDhcp4Start (
{ {
DHCP_PROTOCOL *Instance; DHCP_PROTOCOL *Instance;
DHCP_SERVICE *DhcpSb; DHCP_SERVICE *DhcpSb;
BOOLEAN MediaPresent;
EFI_STATUS Status; EFI_STATUS Status;
EFI_TPL OldTpl; EFI_TPL OldTpl;
@@ -809,6 +810,16 @@ EfiDhcp4Start (
goto ON_ERROR; goto ON_ERROR;
} }
//
// Check Media Satus.
//
MediaPresent = TRUE;
NetLibDetectMedia (DhcpSb->Controller, &MediaPresent);
if (!MediaPresent) {
Status = EFI_NO_MEDIA;
goto ON_ERROR;
}
DhcpSb->IoStatus = EFI_ALREADY_STARTED; DhcpSb->IoStatus = EFI_ALREADY_STARTED;
if (EFI_ERROR (Status = DhcpInitRequest (DhcpSb))) { if (EFI_ERROR (Status = DhcpInitRequest (DhcpSb))) {