From 1ba90cea257a827e1fb6af3b33c3f93013aa7572 Mon Sep 17 00:00:00 2001
From: Daniel Black <daniel.black@au.ibm.com>
Date: Mon, 21 Mar 2016 08:58:39 +1100
Subject: [PATCH] MDEV-9758: correct checksum on non-continious blocks

Error noted by Sergey Vojtovich.
---
 sql/sql_table.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 1a7e55ab1d4..30a076c7e69 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -9830,8 +9830,8 @@ bool mysql_checksum_table(THD *thd, TABLE_LIST *tables,
                     else
                     {
                       row_crc= my_checksum(row_crc, checksum_start, checksum_length);
-                      checksum_start= NULL;
-                      checksum_length= 0;
+                      checksum_start= f->ptr;
+                      checksum_length= f->pack_length();
                     }
                   }
                   else