Fixed problem of sending ERROR to client after OK or EOF (BUG#6804)

include/mysql_com.h:
  Flag which prevent sending error after EOF or OK sent
mysql-test/r/kill.result:
  test of blocking of sending ERROR after OK or EOF
mysql-test/t/kill.test:
  test of blocking of sending ERROR after OK or EOF
sql/item_func.cc:
  typo fixed
sql/net_serv.cc:
  initialization of flag
sql/protocol.cc:
  check and set of flag no_send_error
sql/sql_parse.cc:
  droping flag no_send_error before new command/query execution

1 files changed, 1 insertions, 2 deletions

diff --git a/sql/net_serv.cc b/sql/net_serv.cc
index bd3bbe3e1a9..2de5853599f 100644
--- a/sql/net_serv.cc
+++ b/sql/net_serv.cc
@@ -121,8 +121,7 @@ my_bool my_net_init(NET *net, Vio* vio)
     DBUG_RETURN(1);
   net->buff_end=net->buff+net->max_packet;
   net->vio = vio;
-  net->no_send_ok = 0;
-  net->no_send_eof = 0;
+  net->no_send_ok= net->no_send_eof= net->no_send_error= 0;
   net->error=0; net->return_errno=0; net->return_status=0;
   net->pkt_nr=net->compress_pkt_nr=0;
   net->write_pos=net->read_pos = net->buff;