From 087272c3e48db1a219239334ec89a5054d39afd1 Mon Sep 17 00:00:00 2001
From: dapeng huang <7xerocha@gmail.com>
Date: Tue, 11 Sep 2018 13:39:12 +0800
Subject: [PATCH] fix multistatment hang (#180)

---
 server/modules/protocol/MySQL/mariadbbackend/mysql_backend.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.c b/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.c
index 65b0f8371..983175c0e 100644
--- a/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.c
+++ b/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.c
@@ -823,7 +823,8 @@ gw_read_and_write(DCB *dcb)
                     if (mxs_mysql_is_result_set(read_buffer))
                     {
                         bool more = false;
-                        if (modutil_count_signal_packets(read_buffer, 0, &more, NULL) != 2)
+                        int eof_cnt = modutil_count_signal_packets(read_buffer, 0, &more, NULL);
+                        if (more || eof_cnt % 2 != 0)
                         {
                             dcb_readq_prepend(dcb, read_buffer);
                             return 0;