From 328e5d8c197ebd54dd3e528894fa447534e684f0 Mon Sep 17 00:00:00 2001 From: Laszlo Ersek Date: Mon, 17 Jun 2013 02:30:42 +0000 Subject: The list of locked variables is traversed at runtime, hence we must convert the list when transferring from physical to virtual mode. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek Reviewed-by: Ruiyu Ni git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14425 6f19259b-4bc3-4df7-8a09-765794883524 --- .../VariableAuthenticated/RuntimeDxe/VariableDxe.c | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c') diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c index a2e764cf61..ef53a96144 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c @@ -2,6 +2,7 @@ Implement all four UEFI Runtime Variable services for the nonvolatile and volatile storage space and install variable architecture protocol. +Copyright (C) 2013, Red Hat, Inc. Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License @@ -21,6 +22,7 @@ extern VARIABLE_INFO_ENTRY *gVariableInfo; EFI_HANDLE mHandle = NULL; EFI_EVENT mVirtualAddressChangeEvent = NULL; EFI_EVENT mFtwRegistration = NULL; +extern LIST_ENTRY mLockedVariableList; extern BOOLEAN mEndOfDxe; EDKII_VARIABLE_LOCK_PROTOCOL mVariableLock = { VariableLockRequestToLock }; @@ -220,6 +222,10 @@ VariableClassAddressChangeEvent ( IN VOID *Context ) { + LIST_ENTRY *Link; + VARIABLE_ENTRY *Entry; + EFI_STATUS Status; + EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->FvbInstance->GetBlockSize); EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->FvbInstance->GetPhysicalAddress); EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->FvbInstance->GetAttributes); @@ -238,6 +244,23 @@ VariableClassAddressChangeEvent ( EfiConvertPointer (0x0, (VOID **) &mStorageArea); EfiConvertPointer (0x0, (VOID **) &mSerializationRuntimeBuffer); EfiConvertPointer (0x0, (VOID **) &mNvVariableCache); + + // + // in the list of locked variables, convert the name pointers first + // + for ( Link = GetFirstNode (&mLockedVariableList) + ; !IsNull (&mLockedVariableList, Link) + ; Link = GetNextNode (&mLockedVariableList, Link) + ) { + Entry = BASE_CR (Link, VARIABLE_ENTRY, Link); + Status = EfiConvertPointer (0x0, (VOID **) &Entry->Name); + ASSERT_EFI_ERROR (Status); + } + // + // second, convert the list itself using UefiRuntimeLib + // + Status = EfiConvertList (0x0, &mLockedVariableList); + ASSERT_EFI_ERROR (Status); } -- cgit v1.2.3