From 323fb8164eb4ce6b710ec3f9f8a1802471400f02 Mon Sep 17 00:00:00 2001
From: vraatikka <vilho.raatikka@skysql.com>
Date: Thu, 21 Nov 2013 15:35:55 +0200
Subject: [PATCH] mysql_send_auth_error didn't check whether dcb is in
 DCB_STATE_POLLING state. If it is, function now returns.

---
 server/modules/protocol/mysql_common.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/server/modules/protocol/mysql_common.c b/server/modules/protocol/mysql_common.c
index ee415b7a0..5c9cdc229 100644
--- a/server/modules/protocol/mysql_common.c
+++ b/server/modules/protocol/mysql_common.c
@@ -1172,6 +1172,17 @@ mysql_send_auth_error (DCB *dcb, int packet_number, int in_affected_rows, const
 
         GWBUF   *buf;
 
+        if (dcb->state != DCB_STATE_POLLING)
+        {
+                skygw_log_write(
+                        LOGFILE_DEBUG,
+                        "%lu [mysql_send_auth_error] dcb %p is in a state %s, "
+                        "and it is not in epoll set anymore. Skip error sending.",
+                        pthread_self(),
+                        dcb,
+                        STRDCBSTATE(dcb->state));
+                return 0;
+        }
         mysql_errno = 1045;
         mysql_error_msg = "Access denied!";
         mysql_state = "2800";