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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 /SecurityPkg
parent6879581d2eb67defc68ec800b369b70dec04a07b (diff)
downloadedk2-platforms-968e143192174bd1e6e68660540b32484b30c417.tar.xz
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
Diffstat (limited to 'SecurityPkg')
-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 deff87bcbd..548d95df53 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);
}