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GraphicsOutputBlt() need judge parameter 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9985 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2 2010-02-11 05:53:06 +00:00
parent 20ead7252b
commit 97c74782a6
1 changed files with 5 additions and 1 deletions
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6
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c
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@ -1,7 +1,7 @@
/** @file
Support for Graphics output spliter.
Copyright (c) 2006 - 2009, Intel Corporation. <BR>
Copyright (c) 2006 - 2010, Intel Corporation. <BR>
All rights reserved. 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
@ -239,6 +239,10 @@ ConSplitterGraphicsOutputBlt (
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
EFI_UGA_DRAW_PROTOCOL *UgaDraw;
if (This == NULL || ((UINTN) BltOperation) >= EfiGraphicsOutputBltOperationMax) {
return EFI_INVALID_PARAMETER;
}
Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
ReturnStatus = EFI_SUCCESS;