From bf32c2d61f3e13e8e0f33fce431376812c99da81 Mon Sep 17 00:00:00 2001
From: Pierre Gondois <pierre.gondois@arm.com>
Date: Wed, 2 Oct 2024 11:56:48 +0200
Subject: ArmPkg/SemihostFs: StrSize() cannot return 0

StrSize() account the terminating NULL character and cannot return 0.
Replace StrSize() StrLen().

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4859
Reported-by: Tormod Volden <debian.tormod@gmail.com>
Signed-off-by: Pierre Gondois <pierre.gondois@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 9cc9ed7d36..7703e52fe3 100644
--- a/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c
+++ b/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c
@@ -1158,7 +1158,7 @@ FileSetInfo (
 
     Buffer = SystemInfo->VolumeLabel;
 
-    if (StrSize (Buffer) > 0) {
+    if (StrLen (Buffer) > 0) {
       VolumeLabel = AllocateCopyPool (StrSize (Buffer), Buffer);
       if (VolumeLabel != NULL) {
         FreePool (mSemihostFsLabel);
-- 
cgit