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authorlgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>2007-03-14 07:42:20 +0000
committerlgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>2007-03-14 07:42:20 +0000
commit08aa37e0157271b87e917c598260644920c4ed57 (patch)
tree94fa2c20ace2cf9ca2a4a7ea1924561a9649e3ca /EdkModulePkg/Universal
parent5db2b1e12dc03ce256c3c36b918147d4cf4b2928 (diff)
downloadedk2-08aa37e0157271b87e917c598260644920c4ed57.tar.gz
edk2-08aa37e0157271b87e917c598260644920c4ed57.tar.bz2
edk2-08aa37e0157271b87e917c598260644920c4ed57.zip
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
Diffstat (limited to 'EdkModulePkg/Universal')
-rw-r--r--EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c10
-rw-r--r--EdkModulePkg/Universal/Console/Terminal/Dxe/Terminal.msa2
2 files changed, 8 insertions, 4 deletions
diff --git a/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c b/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c
index 9faeb56d12..2f60e11c40 100644
--- a/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c
+++ b/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c
@@ -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);
diff --git a/EdkModulePkg/Universal/Console/Terminal/Dxe/Terminal.msa b/EdkModulePkg/Universal/Console/Terminal/Dxe/Terminal.msa
index 3403b35b75..8a281d763e 100644
--- a/EdkModulePkg/Universal/Console/Terminal/Dxe/Terminal.msa
+++ b/EdkModulePkg/Universal/Console/Terminal/Dxe/Terminal.msa
@@ -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