From b80022da3b54bda5de3da298a56a7ec0e5873384 Mon Sep 17 00:00:00 2001
From: jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 4 Mar 2011 16:22:15 +0000
Subject: Correct incoming buffer size comparison to the incoming buffer, not
 the existing buffer.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11344 6f19259b-4bc3-4df7-8a09-765794883524
---
 Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
index f248ccb..ef9fa86 100644
--- a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
+++ b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
@@ -2350,12 +2350,12 @@ Returns:
   // Set file system information.
   //
   if (CompareGuid (InformationType, &gEfiFileSystemInfoGuid)) {
-    if (BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (PrivateRoot->VolumeLabel)) {
+    NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *) Buffer;
+    if (BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (NewFileSystemInfo->VolumeLabel)) {
       Status = EFI_BAD_BUFFER_SIZE;
       goto Done;
     }
 
-    NewFileSystemInfo = (EFI_FILE_SYSTEM_INFO *) Buffer;
 
     FreePool (PrivateRoot->VolumeLabel);
     PrivateRoot->VolumeLabel = AllocatePool (StrSize (NewFileSystemInfo->VolumeLabel));
-- 
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