diff options
| -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 f01e0a7..5b11f21 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;
|