MdeModulePkg: Fix memory leak issues

Fix memory leak issues

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Sunny Wang <sunnywang@hpe.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18722 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 6 insertions, 0 deletions

diff --git a/MdeModulePkg/Library/UefiBootManagerLib/BmConsole.c b/MdeModulePkg/Library/UefiBootManagerLib/BmConsole.c
index 86b4fac424..a13917bd08 100644
--- a/MdeModulePkg/Library/UefiBootManagerLib/BmConsole.c
+++ b/MdeModulePkg/Library/UefiBootManagerLib/BmConsole.c
@@ -2,6 +2,7 @@
   Library functions which contain all the code to connect console device.

 

 Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>

+(C) Copyright 2015 Hewlett Packard Enterprise Development LP<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

@@ -301,6 +302,7 @@ BmUpdateSystemTableConsole (
   EFI_DEVICE_PATH_PROTOCOL        *FullDevicePath;

   EFI_DEVICE_PATH_PROTOCOL        *VarConsole;

   EFI_DEVICE_PATH_PROTOCOL        *Instance;

+  EFI_DEVICE_PATH_PROTOCOL        *FullInstance;

   VOID                            *Interface;

   EFI_HANDLE                      NewHandle;

   EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *TextOut;

@@ -354,11 +356,13 @@ BmUpdateSystemTableConsole (
     //

     // Find console device handle by device path instance

     //

+    FullInstance = Instance;

     Status = gBS->LocateDevicePath (

                     ConsoleGuid,

                     &Instance,

                     &NewHandle

                     );

+    FreePool (FullInstance);

     if (!EFI_ERROR (Status)) {

       //

       // Get the console protocol on this console device handle

@@ -383,6 +387,7 @@ BmUpdateSystemTableConsole (
             TextOut->SetMode (TextOut, 0);

           }

         }

+        FreePool (FullDevicePath);

         return TRUE;

       }

     }

@@ -392,6 +397,7 @@ BmUpdateSystemTableConsole (
   //

   // No any available console devcie found.

   //

+  FreePool (FullDevicePath);

   return FALSE;

 }