From 33cd70de1d473361919adc46c7c2b375df88ea44 Mon Sep 17 00:00:00 2001
From: Yeoreum Yun <yeoreum.yun@arm.com>
Date: Fri, 15 May 2026 09:10:06 +0100
Subject: [PATCH] ArmPkg/StandaloneMmMmuLib: fix reverse condition of ASSERT

In GetMemoryPermissions(), PageCount from FFA_MEM_PERM_GET couldn't
be over EFI_SIZE_TO_PAGES(Length) otherwise that's bug of SPMC.
But, current ASSERT() checks PageCount > EFI_SIZE_TO_PAGES(Length)
which is reverse condition for validation.

Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
---
 ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.c b/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.c
index eefed6ddb1..efa4bbdd14 100644
--- a/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.c
+++ b/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.c
@@ -222,7 +222,7 @@ GetMemoryPermissions (
        * 2.8 FFA_MEM_PERM_GET
        */
       *PageCount = SvcArgs.Arg3 + 1;
-      ASSERT (*PageCount > EFI_SIZE_TO_PAGES (Length));
+      ASSERT (*PageCount <= EFI_SIZE_TO_PAGES (Length));
     } else {
       *PageCount = 1;
     }