Fixed null pointer dereference on loading e100 driver for 2.6.32.
/******************************************************************************
*
* $Id$
*
* Copyright (C) 2006-2008 Florian Pose, Ingenieurgemeinschaft IgH
*
* This file is part of the IgH EtherCAT Master.
*
* The IgH EtherCAT Master is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* The IgH EtherCAT Master is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with the IgH EtherCAT Master; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* ---
*
* The license mentioned above concerns the source code only. Using the
* EtherCAT technology and brand is only permitted in compliance with the
* industrial property and similar rights of Beckhoff Automation GmbH.
*
*****************************************************************************/
/**
\file
EtherCAT CANopen SDO structure.
*/
/*****************************************************************************/
#ifndef __EC_SDO_H__
#define __EC_SDO_H__
#include <linux/list.h>
#include "globals.h"
#include "sdo_entry.h"
/*****************************************************************************/
/** CANopen SDO.
*/
struct ec_sdo {
struct list_head list; /**< List item. */
ec_slave_t *slave; /**< Parent slave. */
uint16_t index; /**< SDO index. */
uint8_t object_code; /**< Object code. */
char *name; /**< SDO name. */
uint8_t max_subindex; /**< Maximum subindex. */
struct list_head entries; /**< List of entries. */
};
/*****************************************************************************/
void ec_sdo_init(ec_sdo_t *, ec_slave_t *, uint16_t);
void ec_sdo_clear(ec_sdo_t *);
ec_sdo_entry_t *ec_sdo_get_entry(ec_sdo_t *, uint8_t);
const ec_sdo_entry_t *ec_sdo_get_entry_const(const ec_sdo_t *, uint8_t);
/*****************************************************************************/
#endif