Fix merge error.

sql/event_data_objects.cc

@@ -1473,7 +1473,8 @@ end:
       thd->tx_read_only= false;
 
 #ifdef WITH_WSREP
-      if (WSREP(thd)) {
+      if (WSREP(thd))
+      {
         // sql_print_information("sizeof(LEX) = %d", sizeof(struct LEX));
         // sizeof(LEX) = 4512, so it's relatively safe to allocate it on stack.
         LEX *old_lex= thd->lex, new_lex;
@@ -1486,10 +1487,9 @@ end:
 
       ret= Events::drop_event(thd, dbname, name, FALSE);
 
-#ifdef WITH_WSREP
       WSREP_TO_ISOLATION_END;
+
   error:
-#endif
       thd->tx_read_only= save_tx_read_only;
       thd->security_ctx->master_access= saved_master_access;
     }

sql/events.cc

@@ -1131,7 +1131,7 @@ Events::load_events_from_db(THD *thd)
 #ifdef WITH_WSREP
     // when SST from master node who initials event, the event status is ENABLED
     // this is problematic because there are two nodes with same events and both enabled.
-    if (et->originator != thd->variables.server_id)
+    if (WSREP(thd) && et->originator != thd->variables.server_id)
     {
         store_record(table, record[1]);
         table->field[ET_FIELD_STATUS]->

sql/mdl.cc

@@ -1910,21 +1910,19 @@ MDL_lock::can_grant_lock(enum_mdl_type type_arg,
         if (ticket->get_ctx() != requestor_ctx &&
             ticket->is_incompatible_when_granted(type_arg))
         {
-          if (IF_WSREP(!WSREP_ON, 0))
-            break;
 #ifdef WITH_WSREP
           if (wsrep_thd_is_BF((void *)(requestor_ctx->get_thd()),false) &&
               key.mdl_namespace() == MDL_key::GLOBAL)
           {
             WSREP_DEBUG("global lock granted for BF: %lu %s",
-                        wsrep_thd_thread_id(requestor_ctx->get_thd()), 
+                        wsrep_thd_thread_id(requestor_ctx->get_thd()),
                         wsrep_thd_query(requestor_ctx->get_thd()));
             can_grant = true;
           }
           else if (!wsrep_grant_mdl_exception(requestor_ctx, ticket))
           {
             wsrep_can_grant= FALSE;
-            if (wsrep_log_conflicts) 
+            if (wsrep_log_conflicts)
             {
               MDL_lock * lock = ticket->get_lock();
               WSREP_INFO(
@@ -1936,11 +1934,13 @@ MDL_lock::can_grant_lock(enum_mdl_type type_arg,
           else
             can_grant= TRUE;
           /* Continue loop */
+#else
+          break;
 #endif /* WITH_WSREP */
         }
       }
       if ((ticket == NULL) && IF_WSREP(wsrep_can_grant, 1))
-        can_grant= TRUE;
+        can_grant= TRUE; /* Incompatible locks are our own. */
     }
   }
 #ifdef WITH_WSREP

sql/sql_acl.cc

@@ -2727,6 +2727,15 @@ bool change_password(THD *thd, const char *host, const char *user,
   }
 end:
   close_mysql_tables(thd);
+#ifdef WITH_WSREP
+  if (WSREP(thd) && !thd->wsrep_applier)
+  {
+    WSREP_TO_ISOLATION_END;
+
+    thd->query_string     = query_save;
+    thd->wsrep_exec_mode  = LOCAL_STATE;
+  }
+#endif /* WITH_WSREP */
   thd->restore_stmt_binlog_format(save_binlog_format);
 
   DBUG_RETURN(result);