From d24bb4922e3fe520ff222b09bf5eeafc175e38be Mon Sep 17 00:00:00 2001
From: Old-Ding <35417409+Old-Ding@users.noreply.github.com>
Date: Thu, 2 Jul 2026 15:27:08 +0800
Subject: [PATCH] Fix IAR file lock mutex bounds

Signed-off-by: Old-Ding <35417409+Old-Ding@users.noreply.github.com>
---
 ports/arm11/iar/src/tx_iar.c                              | 8 ++++----
 ports/arm9/iar/src/tx_iar.c                               | 8 ++++----
 ports/cortex_a15/iar/src/tx_iar.c                         | 8 ++++----
 ports/cortex_a5/iar/src/tx_iar.c                          | 8 ++++----
 ports/cortex_a7/iar/src/tx_iar.c                          | 8 ++++----
 ports/cortex_a8/iar/src/tx_iar.c                          | 8 ++++----
 ports/cortex_a9/iar/src/tx_iar.c                          | 8 ++++----
 ports/cortex_m0/iar/src/tx_iar.c                          | 8 ++++----
 ports/cortex_m23/iar/src/tx_iar.c                         | 8 ++++----
 ports/cortex_m3/iar/src/tx_iar.c                          | 8 ++++----
 ports/cortex_m33/iar/src/tx_iar.c                         | 8 ++++----
 ports/cortex_m4/iar/src/tx_iar.c                          | 8 ++++----
 ports/cortex_m55/iar/src/tx_iar.c                         | 8 ++++----
 ports/cortex_m7/iar/src/tx_iar.c                          | 8 ++++----
 ports/cortex_m85/iar/src/tx_iar.c                         | 8 ++++----
 ports/cortex_r4/iar/src/tx_iar.c                          | 8 ++++----
 ports/cortex_r5/iar/src/tx_iar.c                          | 8 ++++----
 ports_arch/ARMv7-M/threadx/iar/src/tx_iar.c               | 8 ++++----
 .../threadx_modules/iar/module_manager/src/tx_iar.c       | 8 ++++----
 ports_arch/ARMv8-M/threadx/iar/src/tx_iar.c               | 8 ++++----
 ports_module/cortex_a7/iar/module_manager/src/tx_iar.c    | 8 ++++----
 ports_module/cortex_m0+/iar/module_manager/src/tx_iar.c   | 8 ++++----
 ports_module/cortex_m3/iar/module_manager/src/tx_iar.c    | 8 ++++----
 ports_module/cortex_m4/iar/module_manager/src/tx_iar.c    | 8 ++++----
 ports_module/cortex_m7/iar/module_manager/src/tx_iar.c    | 8 ++++----
 ports_module/cortex_r4/iar/module_manager/src/tx_iar.c    | 8 ++++----
 26 files changed, 104 insertions(+), 104 deletions(-)

diff --git a/ports/arm11/iar/src/tx_iar.c b/ports/arm11/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/arm11/iar/src/tx_iar.c
+++ b/ports/arm11/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/arm9/iar/src/tx_iar.c b/ports/arm9/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/arm9/iar/src/tx_iar.c
+++ b/ports/arm9/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_a15/iar/src/tx_iar.c b/ports/cortex_a15/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_a15/iar/src/tx_iar.c
+++ b/ports/cortex_a15/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_a5/iar/src/tx_iar.c b/ports/cortex_a5/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_a5/iar/src/tx_iar.c
+++ b/ports/cortex_a5/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_a7/iar/src/tx_iar.c b/ports/cortex_a7/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_a7/iar/src/tx_iar.c
+++ b/ports/cortex_a7/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_a8/iar/src/tx_iar.c b/ports/cortex_a8/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_a8/iar/src/tx_iar.c
+++ b/ports/cortex_a8/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_a9/iar/src/tx_iar.c b/ports/cortex_a9/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_a9/iar/src/tx_iar.c
+++ b/ports/cortex_a9/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_m0/iar/src/tx_iar.c b/ports/cortex_m0/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_m0/iar/src/tx_iar.c
+++ b/ports/cortex_m0/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_m23/iar/src/tx_iar.c b/ports/cortex_m23/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_m23/iar/src/tx_iar.c
+++ b/ports/cortex_m23/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_m3/iar/src/tx_iar.c b/ports/cortex_m3/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_m3/iar/src/tx_iar.c
+++ b/ports/cortex_m3/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_m33/iar/src/tx_iar.c b/ports/cortex_m33/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_m33/iar/src/tx_iar.c
+++ b/ports/cortex_m33/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_m4/iar/src/tx_iar.c b/ports/cortex_m4/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_m4/iar/src/tx_iar.c
+++ b/ports/cortex_m4/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_m55/iar/src/tx_iar.c b/ports/cortex_m55/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_m55/iar/src/tx_iar.c
+++ b/ports/cortex_m55/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_m7/iar/src/tx_iar.c b/ports/cortex_m7/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_m7/iar/src/tx_iar.c
+++ b/ports/cortex_m7/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_m85/iar/src/tx_iar.c b/ports/cortex_m85/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_m85/iar/src/tx_iar.c
+++ b/ports/cortex_m85/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_r4/iar/src/tx_iar.c b/ports/cortex_r4/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_r4/iar/src/tx_iar.c
+++ b/ports/cortex_r4/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports/cortex_r5/iar/src/tx_iar.c b/ports/cortex_r5/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports/cortex_r5/iar/src/tx_iar.c
+++ b/ports/cortex_r5/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports_arch/ARMv7-M/threadx/iar/src/tx_iar.c b/ports_arch/ARMv7-M/threadx/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports_arch/ARMv7-M/threadx/iar/src/tx_iar.c
+++ b/ports_arch/ARMv7-M/threadx/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports_arch/ARMv7-M/threadx_modules/iar/module_manager/src/tx_iar.c b/ports_arch/ARMv7-M/threadx_modules/iar/module_manager/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports_arch/ARMv7-M/threadx_modules/iar/module_manager/src/tx_iar.c
+++ b/ports_arch/ARMv7-M/threadx_modules/iar/module_manager/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports_arch/ARMv8-M/threadx/iar/src/tx_iar.c b/ports_arch/ARMv8-M/threadx/iar/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports_arch/ARMv8-M/threadx/iar/src/tx_iar.c
+++ b/ports_arch/ARMv8-M/threadx/iar/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports_module/cortex_a7/iar/module_manager/src/tx_iar.c b/ports_module/cortex_a7/iar/module_manager/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports_module/cortex_a7/iar/module_manager/src/tx_iar.c
+++ b/ports_module/cortex_a7/iar/module_manager/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports_module/cortex_m0+/iar/module_manager/src/tx_iar.c b/ports_module/cortex_m0+/iar/module_manager/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports_module/cortex_m0+/iar/module_manager/src/tx_iar.c
+++ b/ports_module/cortex_m0+/iar/module_manager/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports_module/cortex_m3/iar/module_manager/src/tx_iar.c b/ports_module/cortex_m3/iar/module_manager/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports_module/cortex_m3/iar/module_manager/src/tx_iar.c
+++ b/ports_module/cortex_m3/iar/module_manager/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports_module/cortex_m4/iar/module_manager/src/tx_iar.c b/ports_module/cortex_m4/iar/module_manager/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports_module/cortex_m4/iar/module_manager/src/tx_iar.c
+++ b/ports_module/cortex_m4/iar/module_manager/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports_module/cortex_m7/iar/module_manager/src/tx_iar.c b/ports_module/cortex_m7/iar/module_manager/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports_module/cortex_m7/iar/module_manager/src/tx_iar.c
+++ b/ports_module/cortex_m7/iar/module_manager/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
diff --git a/ports_module/cortex_r4/iar/module_manager/src/tx_iar.c b/ports_module/cortex_r4/iar/module_manager/src/tx_iar.c
index 238b485ee..b72df7ba2 100644
--- a/ports_module/cortex_r4/iar/module_manager/src/tx_iar.c
+++ b/ports_module/cortex_r4/iar/module_manager/src/tx_iar.c
@@ -270,7 +270,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -287,7 +287,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */
@@ -678,7 +678,7 @@ TX_MUTEX    *mutex_ptr;
         mutex_ptr =  &__tx_iar_file_lock_mutexes[__tx_iar_file_lock_next_free_mutex++];
 
         /* Check for wrap-around on the next free mutex.  */
-        if (__tx_iar_file_lock_next_free_mutex >= _MAX_LOCK)
+        if (__tx_iar_file_lock_next_free_mutex >= _MAX_FLOCK)
         {
 
             /* Yes, set the free index back to 0.  */
@@ -695,7 +695,7 @@ TX_MUTEX    *mutex_ptr;
     }
 
     /* Determine if a free mutex was found.   */
-    if (i >= _MAX_LOCK)
+    if (i >= _MAX_FLOCK)
     {
 
         /* Error!  No more free mutexes!  */