From 4ba459b0f8faabda0310d3cf08f2bfbce6477c70 Mon Sep 17 00:00:00 2001
From: "rosenfield.albert"
 <rosenfield.albert@40cadd2d-89a2-4482-8f20-0232d845d7e3>
Date: Thu, 12 Mar 2009 20:19:52 +0000
Subject: [PATCH] Bug workaround: avoid dereferencing DriverManager if
 ZdbcIntfs has already been finalized.

---
 components/zeosdbo/src/component/ZSqlMonitor.pas | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/zeosdbo/src/component/ZSqlMonitor.pas b/components/zeosdbo/src/component/ZSqlMonitor.pas
index 6e1a53c0..ec46a0c1 100644
--- a/components/zeosdbo/src/component/ZSqlMonitor.pas
+++ b/components/zeosdbo/src/component/ZSqlMonitor.pas
@@ -167,6 +167,7 @@ begin
   if FActive <> Value then
   begin
     FActive := Value;
+    if DriverManager = nil then Exit;
     if Value then
       DriverManager.AddLoggingListener(Self)
     else DriverManager.RemoveLoggingListener(Self);