MCOL-4805 For functions in the plugin code that disable replication on the

slave threads, we now check for this condition early on in the function block.

dbcon/mysql/ha_mcs_dml.cpp

@@ -948,11 +948,11 @@ std::string  ha_mcs_impl_cleartablelock(
 
 int ha_mcs_impl_commit_ (handlerton* hton, THD* thd, bool all, cal_connection_info& ci )
 {
-    int rc = 0;
-
     if (thd->slave_thread && !get_replication_slave(thd))
         return 0;
 
+    int rc = 0;
+
     std::string command("COMMIT");
 #ifdef INFINIDB_DEBUG
     cout << "COMMIT" << endl;