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For BdsDxe module,

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1. Fix the risk that local variable is pointed by global pointer, which may be used outside the variable scope.
2. Add more checking for pointers.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10536 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xli24 2010-05-21 07:40:24 +00:00
parent 97ada49f31
commit ce5fad4151
4 changed files with 12 additions and 14 deletions
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2
IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootOption.c
View File

@ -1388,6 +1388,8 @@ BOpt_GetOptionNumber (
&gEfiGlobalVariableGuid,
&OrderListSize
);
ASSERT (OrderList != NULL);
for (OptionNumber = 0; ; OptionNumber++) {
for (Index = 0; Index < OrderListSize / sizeof (UINT16); Index++) {
if (OptionNumber == OrderList[Index]) {

4
IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/Variable.c
View File

@ -1,7 +1,7 @@
/** @file
Variable operation that will be used by bootmaint
Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2010, 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
@ -1162,6 +1162,8 @@ Var_UpdateBBSOption (
break;
}
}
ASSERT (LegacyDeviceContext != NULL);
//
// Update the Variable "LegacyDevOrder"
//

17
IntelFrameworkModulePkg/Universal/BdsDxe/BootMngr/BootManager.c
View File

@ -16,7 +16,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
UINT16 mKeyInput;
EFI_GUID mBootManagerGuid = BOOT_MANAGER_FORMSET_GUID;
LIST_ENTRY *mBootOptionsList;
LIST_ENTRY mBootOptionsList;
BDS_COMMON_OPTION *gOption;
HII_VENDOR_DEVICE_PATH mBootManagerHiiVendorDevicePath = {
@ -97,7 +97,7 @@ BootManagerCallback (
//
KeyCount = 0;
for (Link = mBootOptionsList->ForwardLink; Link != mBootOptionsList; Link = Link->ForwardLink) {
for (Link = GetFirstNode (&mBootOptionsList); !IsNull (&mBootOptionsList, Link); Link = GetNextNode (&mBootOptionsList, Link)) {
Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);
KeyCount++;
@ -190,7 +190,6 @@ CallBootManager (
UINTN ExitDataSize;
EFI_STRING_ID Token;
EFI_INPUT_KEY Key;
LIST_ENTRY BdsBootOptionList;
CHAR16 *HelpString;
EFI_STRING_ID HelpToken;
UINT16 *TempStr;
@ -203,7 +202,7 @@ CallBootManager (
EFI_IFR_GUID_LABEL *EndLabel;
gOption = NULL;
InitializeListHead (&BdsBootOptionList);
InitializeListHead (&mBootOptionsList);
//
// Connect all prior to entering the platform setup menu.
@ -212,14 +211,8 @@ CallBootManager (
BdsLibConnectAllDriversToAllControllers ();
gConnectAllHappened = TRUE;
}
//
// BugBug: Here we can not remove the legacy refresh macro, so we need
// get the boot order every time from "BootOrder" variable.
// Recreate the boot option list base on the BootOrder variable
//
BdsLibEnumerateAllBootOption (&BdsBootOptionList);
mBootOptionsList = &BdsBootOptionList;
BdsLibEnumerateAllBootOption (&mBootOptionsList);
HiiHandle = gBootManagerPrivate.HiiHandle;
@ -248,7 +241,7 @@ CallBootManager (
mKeyInput = 0;
for (Link = BdsBootOptionList.ForwardLink; Link != &BdsBootOptionList; Link = Link->ForwardLink) {
for (Link = GetFirstNode (&mBootOptionsList); !IsNull (&mBootOptionsList, Link); Link = GetNextNode (&mBootOptionsList, Link)) {
Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);
//

3
IntelFrameworkModulePkg/Universal/BdsDxe/Hotkey.c
View File

@ -2,7 +2,7 @@
Provides a way for 3rd party applications to register themselves for launch by the
Boot Manager based on hot key
Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2007 - 2010, 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
@ -132,6 +132,7 @@ RegisterHotkey (
&gEfiGlobalVariableGuid,
&TempOptionSize
);
ASSERT (TempOption != NULL);
if (CompareMem (TempOption, KeyOption, TempOptionSize) == 0) {
//