mirror of https://github.com/acidanthera/audk.git
Add NULL pointer check before free pool.
Signed-off-by: lzeng14 Reviewed-by: rsun3 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12656 6f19259b-4bc3-4df7-8a09-765794883524
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@ -13,7 +13,7 @@
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* Dp uses this information to group records in different ways. It also uses
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* timer information to calculate elapsed time for each measurement.
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*
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* Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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* Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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@ -85,6 +85,19 @@ PARAM_ITEM_LIST ParamList[] = {
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///@}
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/**
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Wrap original FreePool to check NULL pointer first.
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**/
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VOID
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SafeFreePool (
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IN VOID *Buffer
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)
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{
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if (Buffer != NULL) {
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FreePool (Buffer);
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}
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}
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/**
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Transfer the param list value and get the command line parse.
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@ -434,21 +447,21 @@ InitializeDp (
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}
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FreePool (DpParamList);
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FreePool (StringDpOptionQh);
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FreePool (StringDpOptionLh);
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FreePool (StringDpOptionUh);
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FreePool (StringDpOptionLv);
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FreePool (StringDpOptionUs);
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FreePool (StringDpOptionLs);
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FreePool (StringDpOptionUa);
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FreePool (StringDpOptionUr);
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FreePool (StringDpOptionUt);
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FreePool (StringDpOptionUp);
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FreePool (StringDpOptionLx);
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FreePool (StringDpOptionLn);
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FreePool (StringDpOptionLt);
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FreePool (StringPtr);
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FreePool (mPrintTokenBuffer);
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SafeFreePool (StringDpOptionQh);
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SafeFreePool (StringDpOptionLh);
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SafeFreePool (StringDpOptionUh);
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SafeFreePool (StringDpOptionLv);
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SafeFreePool (StringDpOptionUs);
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SafeFreePool (StringDpOptionLs);
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SafeFreePool (StringDpOptionUa);
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SafeFreePool (StringDpOptionUr);
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SafeFreePool (StringDpOptionUt);
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SafeFreePool (StringDpOptionUp);
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SafeFreePool (StringDpOptionLx);
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SafeFreePool (StringDpOptionLn);
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SafeFreePool (StringDpOptionLt);
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SafeFreePool (StringPtr);
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SafeFreePool (mPrintTokenBuffer);
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HiiRemovePackages (gHiiHandle);
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return Status;
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