From b4410594b0ec83a89f3183fc929745fa6f7d534d Mon Sep 17 00:00:00 2001
From: Martin Michelsen <fuzziqersoftware+g@gmail.com>
Date: Fri, 4 Nov 2022 01:05:26 -0700
Subject: [PATCH] fix invalid write in ep3 editors patch

---
 system/ppc/Ep3-Editors.patch.s | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/system/ppc/Ep3-Editors.patch.s b/system/ppc/Ep3-Editors.patch.s
index 79781704..fdb6c439 100644
--- a/system/ppc/Ep3-Editors.patch.s
+++ b/system/ppc/Ep3-Editors.patch.s
@@ -76,10 +76,13 @@ again:
   mtctr  r0
   bctrl
   stw    [r29], r3
+  mr.    r0, r3
+  beq    editor_construction_failed
 editor_already_exists:
   li     r0, 0x0014 # Flags: disable update, disable render
   # See comment below about the flags field on PSO PC.
   sth    [r3 + 0x04], r0
+editor_construction_failed:
   addi   r30, r30, 0x0C
   addi   r29, r29, 4
   cmpl   r30, r31