From e3f4f02b64f6b5197fb4fac46811930f40fdc5d9 Mon Sep 17 00:00:00 2001
From: "holyfoot/hf@mysql.com/hfmain.(none)" <>
Date: Mon, 29 Jan 2007 11:48:31 +0400
Subject: [PATCH] bug #25492 (Invalid deallocation in mysql_stmt_fetch)
 Operating with the prepared statements we don't alloc MYSQL_DATA structure,
 but use MYSQL_STMT's field instead (to increase performance by reducing
 malloc calls). So we shouldn't free this structure as we did before.

---
 libmysqld/lib_sql.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libmysqld/lib_sql.cc b/libmysqld/lib_sql.cc
index fe4ac5ba676..3a8bc189e7f 100644
--- a/libmysqld/lib_sql.cc
+++ b/libmysqld/lib_sql.cc
@@ -269,7 +269,7 @@ int emb_unbuffered_fetch(MYSQL *mysql, char **row)
     *row= NULL;
     if (data)
     {
-      free_rows(data);
+      free_root(&data->alloc,MYF(0));
       ((THD*)mysql->thd)->data= NULL;
     }
   }