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MdeModulePkg/UefiBootManagerLib: Skip the DNS device path node check. 

After HTTP boot successfully in home mode, the HTTP device path will be
updated accordingly. So, the new device path may be appended with a DNS
device path node. When executing home mode boot again, the original HTTP
device path will mismatch with the new updated one, which will cause the
HTTP boot failure. So, we need update the current match algorithm to match
the correct FilePath. Since the DNS device path is an optional, we can skip
it check.

This patch is to fix above issue.

Cc: Ruiyu Ni <ruiyu.ni@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: Ruiyu Ni <ruiyu.ni@intel.com>
This commit is contained in:
Jiaxin Wu 2018-01-23 15:06:52 +08:00
parent 4faf534046
commit 6945837e4c
1 changed files with 9 additions and 1 deletions
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10
MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
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@ -1,7 +1,7 @@
/** @file /** @file
Library functions which relates with booting. Library functions which relates with booting.
Copyright (c) 2011 - 2017, Intel Corporation. All rights reserved.<BR> Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
(C) Copyright 2015-2016 Hewlett Packard Enterprise Development LP<BR> (C) Copyright 2015-2016 Hewlett Packard Enterprise Development LP<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
@ -1119,6 +1119,14 @@ BmMatchHttpBootDevicePath (
return FALSE; return FALSE;
} }
if (DevicePathSubType (Left) == MSG_DNS_DP) {
Left = NextDevicePathNode (Left);
}
if (DevicePathSubType (Right) == MSG_DNS_DP) {
Right = NextDevicePathNode (Right);
}
if (((DevicePathSubType (Left) != MSG_IPv4_DP) || (DevicePathSubType (Right) != MSG_IPv4_DP)) && if (((DevicePathSubType (Left) != MSG_IPv4_DP) || (DevicePathSubType (Right) != MSG_IPv4_DP)) &&
((DevicePathSubType (Left) != MSG_IPv6_DP) || (DevicePathSubType (Right) != MSG_IPv6_DP)) && ((DevicePathSubType (Left) != MSG_IPv6_DP) || (DevicePathSubType (Right) != MSG_IPv6_DP)) &&
((DevicePathSubType (Left) != MSG_URI_DP) || (DevicePathSubType (Right) != MSG_URI_DP)) ((DevicePathSubType (Left) != MSG_URI_DP) || (DevicePathSubType (Right) != MSG_URI_DP))