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Refine code to make it more safely.

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15593 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Eric Dong
2014-06-26 01:38:46 +00:00
committed by ydong10
parent 45295cf5a5
commit 81cd2f536e
7 changed files with 73 additions and 52 deletions
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26
ShellPkg/Library/UefiShellInstall1CommandsLib/Bcfg.c
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@ -1,7 +1,7 @@
/** @file
Main file for bcfg shell Install1 function.
Copyright (c) 2010 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2010 - 2014, 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
@ -1040,8 +1040,12 @@ BcfgDisplayDumpInstall1(
if ((*(UINT16*)(Buffer+4)) != 0) {
DevPath = AllocateZeroPool(*(UINT16*)(Buffer+4));
CopyMem(DevPath, Buffer+6+StrSize((CHAR16*)(Buffer+6)), *(UINT16*)(Buffer+4));
DevPathString = ConvertDevicePathToText(DevPath, TRUE, FALSE);
if (DevPath == NULL) {
DevPathString = NULL;
} else {
CopyMem(DevPath, Buffer+6+StrSize((CHAR16*)(Buffer+6)), *(UINT16*)(Buffer+4));
DevPathString = ConvertDevicePathToText(DevPath, TRUE, FALSE);
}
} else {
DevPath = NULL;
DevPathString = NULL;
@ -1211,12 +1215,16 @@ ShellCommandRunBcfgInstall (
CurrentOperation.Order);
if (Status == EFI_BUFFER_TOO_SMALL) {
CurrentOperation.Order = AllocateZeroPool(Length+(4*sizeof(CurrentOperation.Order[0])));
Status = gRT->GetVariable(
CurrentOperation.Target == BcfgTargetBootOrder?(CHAR16*)L"BootOrder":(CHAR16*)L"DriverOrder",
(EFI_GUID*)&gEfiGlobalVariableGuid,
NULL,
&Length,
CurrentOperation.Order);
if (CurrentOperation.Order == NULL) {
ShellStatus = SHELL_OUT_OF_RESOURCES;
} else {
Status = gRT->GetVariable(
CurrentOperation.Target == BcfgTargetBootOrder?(CHAR16*)L"BootOrder":(CHAR16*)L"DriverOrder",
(EFI_GUID*)&gEfiGlobalVariableGuid,
NULL,
&Length,
CurrentOperation.Order);
}
}
}