From cb46c333861a281d45ece73ae777389ca0357f75 Mon Sep 17 00:00:00 2001
From: unknown <knielsen@knielsen-hq.org>
Date: Thu, 21 Feb 2013 14:46:11 +0100
Subject: [PATCH] MDEV-26: Global transaction ID.

Fix crash in binlog_gtid_pos('', 4) (and thus slave connect) when master does not
have binlog enabled.
---
 sql/sql_repl.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sql/sql_repl.cc b/sql/sql_repl.cc
index a6810d748cd..62b7135641d 100644
--- a/sql/sql_repl.cc
+++ b/sql/sql_repl.cc
@@ -965,6 +965,12 @@ gtid_state_from_binlog_pos(const char *in_name, uint32 pos, String *out_str)
   char name_buf[FN_REFLEN];
   LOG_INFO linfo;
 
+  if (!mysql_bin_log.is_open())
+  {
+    my_error(ER_NO_BINARY_LOGGING, MYF(0));
+    return 1;
+  }
+
   if (in_name && in_name[0])
   {
     mysql_bin_log.make_log_name(name_buf, in_name);