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Add check whether input parameter is NULL before call freepool API defined in MDE. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2461 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4 2007-03-14 07:42:20 +00:00
parent 5db2b1e12d
commit 08aa37e015
2 changed files with 8 additions and 4 deletions
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10
EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c
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@ -1314,8 +1314,10 @@ DevNullTextOutSetMode (
Private->TextOutMode.Mode = (INT32) ModeNumber;
Private->DevNullColumns = Column;
Private->DevNullRows = Row;
FreePool (Private->DevNullScreen);
if (Private->DevNullScreen != NULL) {
FreePool (Private->DevNullScreen);
}
Size = (Row * (Column + 1)) * sizeof (CHAR16);
Private->DevNullScreen = AllocateZeroPool (Size);
@ -1323,7 +1325,9 @@ DevNullTextOutSetMode (
return EFI_OUT_OF_RESOURCES;
}
FreePool (Private->DevNullAttributes);
if (Private->DevNullAttributes != NULL) {
FreePool (Private->DevNullAttributes);
}
Size = Row * Column * sizeof (INT32);
Private->DevNullAttributes = AllocateZeroPool (Size);

2
EdkModulePkg/Universal/Console/Terminal/Dxe/Terminal.msa
View File

@ -6,7 +6,7 @@
<GuidValue>9E863906-A40F-4875-977F-5B93FF237FC6</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for Terminal module.</Abstract>
<Description>This driver installs Simple Text In/Out protocol for terminal devices.</Description>
<Description>This driver installs Simple Text In/Out protocol for terminal devices (serial devices or hotplug devices).</Description>
<Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>
<License>All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License