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| author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-02-11 05:53:06 +0000 |
|---|---|---|
| committer | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-02-11 05:53:06 +0000 |
| commit | 97c74782a6e64573adfaeb012d635e40d2231637 (patch) | |
| tree | fd7d7453d01922bcd4c349ba9df3884919f0b102 /MdeModulePkg/Universal | |
| parent | 20ead7252b301c04204afed52de53397a942c542 (diff) | |
| download | edk2-97c74782a6e64573adfaeb012d635e40d2231637.tar.gz edk2-97c74782a6e64573adfaeb012d635e40d2231637.tar.bz2 edk2-97c74782a6e64573adfaeb012d635e40d2231637.zip | |
GraphicsOutputBlt() need judge parameter
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9985 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal')
| -rw-r--r-- | MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c index f01e0a7b8d..5b11f2114b 100644 --- a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c +++ b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c @@ -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;
|