Add assert check to make sure new stack size larger than old stack size.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5952 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 2 insertions, 4 deletions

diff --git a/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c b/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c
index 5d9226fc7e..49b3d36864 100644
--- a/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c
+++ b/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c
@@ -477,10 +477,8 @@ PeiDispatcher (
               // But if new stack is smaller than the size of old stack, we also reserve

               // the size of old stack at bottom of permenent memory.

               //

-              StackGap = 0;

-              if (Private->StackSize > OldPeiStackSize) {

-                StackGap = Private->StackSize - OldPeiStackSize;

-              }

+              ASSERT (Private->StackSize >= OldPeiStackSize);

+              StackGap = Private->StackSize - OldPeiStackSize;

 

               //

               // Update HandOffHob for new installed permenent memory