From b74e10e0660f5a1f7ca09345d89a933eb65fccdd Mon Sep 17 00:00:00 2001
From: Download-Fritz <download-fritz@outlook.com>
Date: Sun, 21 Oct 2018 11:58:21 +0200
Subject: [PATCH] OcMachoLib: Drop the "minimal LC size" check. It is
 implicitly covered by the checks below and worsens performance of valid
 binaries in favor of increasing it for invalid ones.

---
 Library/OcMachoLib/Header.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/Library/OcMachoLib/Header.c b/Library/OcMachoLib/Header.c
index 09bbd16f..4e56eb0e 100644
--- a/Library/OcMachoLib/Header.c
+++ b/Library/OcMachoLib/Header.c
@@ -51,7 +51,6 @@ MachoInitializeContext (
   OUT VOID                  *Context
   )
 {
-  UINTN                   MinCommandsSize;
   UINTN                   TopOfCommands;
   UINTN                   Index;
   CONST MACH_LOAD_COMMAND *Command;
@@ -64,11 +63,9 @@ MachoInitializeContext (
   //
   // Verify Mach-O Header sanity.
   //
-  TopOfCommands   = ((UINTN)MachHeader->Commands + MachHeader->CommandsSize);
-  MinCommandsSize = (MachHeader->NumCommands * sizeof (*MachHeader->Commands));
+  TopOfCommands = ((UINTN)MachHeader->Commands + MachHeader->CommandsSize);
   if ((FileSize < sizeof (*MachHeader))
    || (MachHeader->Signature != MACH_HEADER_64_SIGNATURE)
-   || (MachHeader->CommandsSize < MinCommandsSize)
    || (TopOfCommands > ((UINTN)MachHeader + FileSize))) {
     return FALSE;
   }