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authorsfu5 <sfu5@6f19259b-4bc3-4df7-8a09-765794883524>2013-04-25 01:38:06 +0000
committersfu5 <sfu5@6f19259b-4bc3-4df7-8a09-765794883524>2013-04-25 01:38:06 +0000
commit968e143192174bd1e6e68660540b32484b30c417 (patch)
tree9c29a95cf163c07dbb80448b6974f8d665fd7292
parent6879581d2eb67defc68ec800b369b70dec04a07b (diff)
downloadedk2-968e143192174bd1e6e68660540b32484b30c417.zip
edk2-968e143192174bd1e6e68660540b32484b30c417.tar.gz
edk2-968e143192174bd1e6e68660540b32484b30c417.tar.bz2
Check for NULL pointer before free it.
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Dong Guo <guo.dong@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14316 6f19259b-4bc3-4df7-8a09-765794883524
-rw-r--r--SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigFileExplorer.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigFileExplorer.c b/SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigFileExplorer.c
index deff87b..548d95d 100644
--- a/SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigFileExplorer.c
+++ b/SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigFileExplorer.c
@@ -1,7 +1,7 @@
/** @file
Internal file explorer functions for SecureBoot configuration module.
-Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2012 - 2013, Intel Corporation. All rights reserved.<BR>
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
@@ -323,7 +323,7 @@ DestroyMenuEntry (
FileContext = (SECUREBOOT_FILE_CONTEXT *) MenuEntry->FileContext;
- if (!FileContext->IsRoot) {
+ if (!FileContext->IsRoot && FileContext->DevicePath != NULL) {
FreePool (FileContext->DevicePath);
} else {
if (FileContext->FHandle != NULL) {
@@ -340,7 +340,9 @@ DestroyMenuEntry (
FreePool (FileContext);
- FreePool (MenuEntry->DisplayString);
+ if (MenuEntry->DisplayString != NULL) {
+ FreePool (MenuEntry->DisplayString);
+ }
if (MenuEntry->HelpString != NULL) {
FreePool (MenuEntry->HelpString);
}