A leaf section type may contains an array of zero or more bytes. Support the section with the zero data.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4852 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 3 insertions, 1 deletions

diff --git a/MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c b/MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c
index 94eb08b5bb..8d33322c42 100644
--- a/MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c
+++ b/MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c
@@ -581,11 +581,13 @@ Returns:
   }

   

   if (IsListEmpty (&SourceStream->Children) && 

-                   SourceStream->StreamLength > sizeof (EFI_COMMON_SECTION_HEADER)) {

+                   SourceStream->StreamLength >= sizeof (EFI_COMMON_SECTION_HEADER)) {

     //

     // This occurs when a section stream exists, but no child sections

     // have been parsed out yet.  Therefore, extract the first child and add it

     // to the list of children so we can get started.

+    // Section stream may contain an array of zero or more bytes. 

+    // So, its size should be >= the size of commen section header.

     //

     Status = CreateChildNode (SourceStream, 0, &CurrentChildNode);

     if (EFI_ERROR (Status)) {