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author | Jiaxin Wu <jiaxin.wu@intel.com> | 2017-11-29 14:34:26 +0800 |
---|---|---|
committer | Jiaxin Wu <jiaxin.wu@intel.com> | 2017-12-13 16:25:44 +0800 |
commit | 5d34573df938ea7061fdd30a98acc71c4d4dc638 (patch) | |
tree | 610412bbe2b347fba8265422e4a6dab810028a93 /MdeModulePkg | |
parent | f3b108a8ef353d041771a5514ea48f5088083633 (diff) | |
download | edk2-5d34573df938ea7061fdd30a98acc71c4d4dc638.zip edk2-5d34573df938ea7061fdd30a98acc71c4d4dc638.tar.gz edk2-5d34573df938ea7061fdd30a98acc71c4d4dc638.tar.bz2 |
MdeModulePkg/Dhcp4Dxe: Check Media status before starting DHCP process.
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>
Diffstat (limited to 'MdeModulePkg')
-rw-r--r-- | MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c index 1db4c66..8780414 100644 --- a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c +++ b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c @@ -1,7 +1,7 @@ /** @file
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
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
@@ -780,6 +780,7 @@ EfiDhcp4Start ( {
DHCP_PROTOCOL *Instance;
DHCP_SERVICE *DhcpSb;
+ BOOLEAN MediaPresent;
EFI_STATUS Status;
EFI_TPL OldTpl;
@@ -809,6 +810,16 @@ EfiDhcp4Start ( 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;
if (EFI_ERROR (Status = DhcpInitRequest (DhcpSb))) {
|