From 2fccd1f153e1b7146d6fe9d9f8cfaeabdf636c44 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 15 Feb 2023 15:37:32 +0100
Subject: [PATCH] ArmPkg/SemihostFs: replace SetMem with ZeroMem

SetMem arguments 2+3 are in the wrong order, resulting in
the call having no effect because Length is zero.

Fix this by using ZeroMem instead.

Bugzilla: https://bugzilla.tianocore.org/show_bug.cgi?id=4205
Reported-by: Jeremy Boone <jeremy.boone@nccgroup.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
---
 ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c b/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c
index 39a30533ee57..9cc9ed7d3637 100644
--- a/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c
+++ b/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c
@@ -574,7 +574,7 @@ ExtendFile (
   }
 
   Remaining = Size;
-  SetMem (WriteBuffer, 0, sizeof (WriteBuffer));
+  ZeroMem (WriteBuffer, sizeof (WriteBuffer));
   while (Remaining > 0) {
     WriteNb   = MIN (Remaining, sizeof (WriteBuffer));
     WriteSize = WriteNb;