From 7ab26d58b5a6f2ab4b15be70073ce7b8105e9a8c Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Thu, 24 Dec 2020 14:59:09 +0000
Subject: [PATCH] Fixed bug #1139 again.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/stable_20.3.x@13978 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
---
 os/oslib/src/chfactory.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/os/oslib/src/chfactory.c b/os/oslib/src/chfactory.c
index 69257eceb..1a80e8ecf 100644
--- a/os/oslib/src/chfactory.c
+++ b/os/oslib/src/chfactory.c
@@ -85,13 +85,14 @@ objects_factory_t ch_factory;
 
 static void copy_name(const char *sp, char *dp) {
   unsigned i;
+  char c;
 
-  i = 0U;
-  while ((*sp != (char)0) && (i < CH_CFG_FACTORY_MAX_NAMES_LENGTH)) {
-    *dp = *sp;
-    sp++;
-    dp++;
-  }
+  i = CH_CFG_FACTORY_MAX_NAMES_LENGTH;
+  do {
+    c = *sp++;
+    *dp++ = c;
+    i--;
+  } while ((c != (char)0) && (i > 0U));
 }
 
 static inline void dyn_list_init(dyn_list_t *dlp) {