From dd2875f3513d84373f4aa4654ae439c4109b22b2 Mon Sep 17 00:00:00 2001
From: Eugen Betke <eugen.betke@mailbox.org>
Date: Mon, 13 Jan 2025 18:10:26 +0100
Subject: [PATCH] Modernisation: Action: Fix data race

---
 src/action/action.cc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/action/action.cc b/src/action/action.cc
index 047bf7957..4c7a4e881 100644
--- a/src/action/action.cc
+++ b/src/action/action.cc
@@ -124,10 +124,11 @@ static void init_mutex()
 int grib_create_accessor(grib_section* p, grib_action* a, grib_loader* h)
 {
     /* ECC-604: Do not lock excessively */
-    /*GRIB_MUTEX_INIT_ONCE(&once,&init_mutex);*/
-    /*GRIB_MUTEX_LOCK(&mutex1);*/
-    return a->create_accessor(p, h);
-    /*GRIB_MUTEX_UNLOCK(&mutex1);*/
+    GRIB_MUTEX_INIT_ONCE(&once,&init_mutex);
+    GRIB_MUTEX_LOCK(&mutex1);
+    auto accessor = a->create_accessor(p, h);
+    GRIB_MUTEX_UNLOCK(&mutex1);
+    return accessor;
 }
 
 // int grib_action_notify_change(grib_action* a, grib_accessor* observer, grib_accessor* observed)