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atm: use const where reasonable 

From: Mitchell Blank Jr <mitch@sfgoth.com>

Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mitchell Blank Jr 2008-06-17 16:20:06 -07:00 committed by David S. Miller
parent df3bc8bd8f
commit 61c33e0129
6 changed files with 50 additions and 51 deletions
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10
net/atm/addr.c
View File

@ -9,7 +9,7 @@
#include "signaling.h"
#include "addr.h"
static int check_addr(struct sockaddr_atmsvc *addr)
static int check_addr(const struct sockaddr_atmsvc *addr)
{
int i;
@ -23,7 +23,7 @@ static int check_addr(struct sockaddr_atmsvc *addr)
return -EINVAL;
}
static int identical(struct sockaddr_atmsvc *a, struct sockaddr_atmsvc *b)
static int identical(const struct sockaddr_atmsvc *a, const struct sockaddr_atmsvc *b)
{
if (*a->sas_addr.prv)
if (memcmp(a->sas_addr.prv, b->sas_addr.prv, ATM_ESA_LEN))
@ -35,7 +35,7 @@ static int identical(struct sockaddr_atmsvc *a, struct sockaddr_atmsvc *b)
return !strcmp(a->sas_addr.pub, b->sas_addr.pub);
}
static void notify_sigd(struct atm_dev *dev)
static void notify_sigd(const struct atm_dev *dev)
{
struct sockaddr_atmpvc pvc;
@ -63,7 +63,7 @@ void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t atype)
notify_sigd(dev);
}
int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
int atm_add_addr(struct atm_dev *dev, const struct sockaddr_atmsvc *addr,
enum atm_addr_type_t atype)
{
unsigned long flags;
@ -98,7 +98,7 @@ int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
return 0;
}
int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
int atm_del_addr(struct atm_dev *dev, const struct sockaddr_atmsvc *addr,
enum atm_addr_type_t atype)
{
unsigned long flags;

4
net/atm/addr.h
View File

@ -10,9 +10,9 @@
#include <linux/atmdev.h>
void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t type);
int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
int atm_add_addr(struct atm_dev *dev, const struct sockaddr_atmsvc *addr,
enum atm_addr_type_t type);
int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
int atm_del_addr(struct atm_dev *dev, const struct sockaddr_atmsvc *addr,
enum atm_addr_type_t type);
int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user *buf,
size_t size, enum atm_addr_type_t type);

14
net/atm/br2684.c
View File

@ -52,12 +52,12 @@ static void skb_debug(const struct sk_buff *skb)
#define ETHERTYPE_IPV6 0x86, 0xdd
#define PAD_BRIDGED 0x00, 0x00
static unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 };
static unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 };
static unsigned char llc_oui_pid_pad[] =
static const unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 };
static const unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 };
static const unsigned char llc_oui_pid_pad[] =
{ LLC, SNAP_BRIDGED, PID_ETHERNET, PAD_BRIDGED };
static unsigned char llc_oui_ipv4[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV4 };
static unsigned char llc_oui_ipv6[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV6 };
static const unsigned char llc_oui_ipv4[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV4 };
static const unsigned char llc_oui_ipv6[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV6 };
enum br2684_encaps {
e_vc = BR2684_ENCAPS_VC,
@ -217,8 +217,8 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct br2684_dev *brdev,
return 1;
}
static inline struct br2684_vcc *pick_outgoing_vcc(struct sk_buff *skb,
struct br2684_dev *brdev)
static inline struct br2684_vcc *pick_outgoing_vcc(const struct sk_buff *skb,
const struct br2684_dev *brdev)
{
return list_empty(&brdev->brvccs) ? NULL : list_entry_brvcc(brdev->brvccs.next); /* 1 vcc/dev right now */
}

8
net/atm/common.c
View File

@ -262,7 +262,7 @@ static int adjust_tp(struct atm_trafprm *tp,unsigned char aal)
}
static int check_ci(struct atm_vcc *vcc, short vpi, int vci)
static int check_ci(const struct atm_vcc *vcc, short vpi, int vci)
{
struct hlist_head *head = &vcc_hash[vci &
(VCC_HTABLE_SIZE - 1)];
@ -290,7 +290,7 @@ static int check_ci(struct atm_vcc *vcc, short vpi, int vci)
}
static int find_ci(struct atm_vcc *vcc, short *vpi, int *vci)
static int find_ci(const struct atm_vcc *vcc, short *vpi, int *vci)
{
static short p; /* poor man's per-device cache */
static int c;
@ -646,7 +646,7 @@ static int atm_change_qos(struct atm_vcc *vcc,struct atm_qos *qos)
}
static int check_tp(struct atm_trafprm *tp)
static int check_tp(const struct atm_trafprm *tp)
{
/* @@@ Should be merged with adjust_tp */
if (!tp->traffic_class || tp->traffic_class == ATM_ANYCLASS) return 0;
@ -663,7 +663,7 @@ static int check_tp(struct atm_trafprm *tp)
}
static int check_qos(struct atm_qos *qos)
static int check_qos(const struct atm_qos *qos)
{
int error;

55
net/atm/lec.c
View File

@ -65,36 +65,36 @@ static int lec_close(struct net_device *dev);
static struct net_device_stats *lec_get_stats(struct net_device *dev);
static void lec_init(struct net_device *dev);
static struct lec_arp_table *lec_arp_find(struct lec_priv *priv,
unsigned char *mac_addr);
const unsigned char *mac_addr);
static int lec_arp_remove(struct lec_priv *priv,
struct lec_arp_table *to_remove);
/* LANE2 functions */
static void lane2_associate_ind(struct net_device *dev, u8 *mac_address,
u8 *tlvs, u32 sizeoftlvs);
static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
static void lane2_associate_ind(struct net_device *dev, const u8 *mac_address,
const u8 *tlvs, u32 sizeoftlvs);
static int lane2_resolve(struct net_device *dev, const u8 *dst_mac, int force,
u8 **tlvs, u32 *sizeoftlvs);
static int lane2_associate_req(struct net_device *dev, u8 *lan_dst,
u8 *tlvs, u32 sizeoftlvs);
static int lane2_associate_req(struct net_device *dev, const u8 *lan_dst,
const u8 *tlvs, u32 sizeoftlvs);
static int lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr,
static int lec_addr_delete(struct lec_priv *priv, const unsigned char *atm_addr,
unsigned long permanent);
static void lec_arp_check_empties(struct lec_priv *priv,
struct atm_vcc *vcc, struct sk_buff *skb);
static void lec_arp_destroy(struct lec_priv *priv);
static void lec_arp_init(struct lec_priv *priv);
static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
unsigned char *mac_to_find,
const unsigned char *mac_to_find,
int is_rdesc,
struct lec_arp_table **ret_entry);
static void lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
unsigned char *atm_addr, unsigned long remoteflag,
static void lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
const unsigned char *atm_addr, unsigned long remoteflag,
unsigned int targetless_le_arp);
static void lec_flush_complete(struct lec_priv *priv, unsigned long tran_id);
static int lec_mcast_make(struct lec_priv *priv, struct atm_vcc *vcc);
static void lec_set_flush_tran_id(struct lec_priv *priv,
unsigned char *atm_addr,
const unsigned char *atm_addr,
unsigned long tran_id);
static void lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
static void lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data,
struct atm_vcc *vcc,
void (*old_push) (struct atm_vcc *vcc,
struct sk_buff *skb));
@ -634,7 +634,7 @@ static struct atm_dev lecatm_dev = {
*/
static int
send_to_lecd(struct lec_priv *priv, atmlec_msg_type type,
unsigned char *mac_addr, unsigned char *atm_addr,
const unsigned char *mac_addr, const unsigned char *atm_addr,
struct sk_buff *data)
{
struct sock *sk;
@ -705,10 +705,9 @@ static void lec_init(struct net_device *dev)
dev->set_multicast_list = lec_set_multicast_list;
dev->do_ioctl = NULL;
printk("%s: Initialized!\n", dev->name);
return;
}
static unsigned char lec_ctrl_magic[] = {
static const unsigned char lec_ctrl_magic[] = {
0xff,
0x00,
0x01,
@ -1276,7 +1275,7 @@ module_exit(lane_module_cleanup);
* lec will be used.
* If dst_mac == NULL, targetless LE_ARP will be sent
*/
static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
static int lane2_resolve(struct net_device *dev, const u8 *dst_mac, int force,
u8 **tlvs, u32 *sizeoftlvs)
{
unsigned long flags;
@ -1322,8 +1321,8 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force,
* Returns 1 for success, 0 for failure (out of memory)
*
*/
static int lane2_associate_req(struct net_device *dev, u8 *lan_dst,
u8 *tlvs, u32 sizeoftlvs)
static int lane2_associate_req(struct net_device *dev, const u8 *lan_dst,
const u8 *tlvs, u32 sizeoftlvs)
{
int retval;
struct sk_buff *skb;
@ -1358,8 +1357,8 @@ static int lane2_associate_req(struct net_device *dev, u8 *lan_dst,
* LANE2: 3.1.5, LE_ASSOCIATE.indication
*
*/
static void lane2_associate_ind(struct net_device *dev, u8 *mac_addr,
u8 *tlvs, u32 sizeoftlvs)
static void lane2_associate_ind(struct net_device *dev, const u8 *mac_addr,
const u8 *tlvs, u32 sizeoftlvs)
{
#if 0
int i = 0;
@ -1744,7 +1743,7 @@ static void lec_arp_destroy(struct lec_priv *priv)
* Find entry by mac_address
*/
static struct lec_arp_table *lec_arp_find(struct lec_priv *priv,
unsigned char *mac_addr)
const unsigned char *mac_addr)
{
struct hlist_node *node;
struct hlist_head *head;
@ -1764,7 +1763,7 @@ static struct lec_arp_table *lec_arp_find(struct lec_priv *priv,
}
static struct lec_arp_table *make_entry(struct lec_priv *priv,
unsigned char *mac_addr)
const unsigned char *mac_addr)
{
struct lec_arp_table *to_return;
@ -1921,7 +1920,7 @@ restart:
*
*/
static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
unsigned char *mac_to_find, int is_rdesc,
const unsigned char *mac_to_find, int is_rdesc,
struct lec_arp_table **ret_entry)
{
unsigned long flags;
@ -2017,7 +2016,7 @@ out:
}
static int
lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr,
lec_addr_delete(struct lec_priv *priv, const unsigned char *atm_addr,
unsigned long permanent)
{
unsigned long flags;
@ -2047,8 +2046,8 @@ lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr,
* Notifies: Response to arp_request (atm_addr != NULL)
*/
static void
lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr,
unsigned char *atm_addr, unsigned long remoteflag,
lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
const unsigned char *atm_addr, unsigned long remoteflag,
unsigned int targetless_le_arp)
{
unsigned long flags;
@ -2148,7 +2147,7 @@ out:
* Notifies: Vcc setup ready
*/
static void
lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data,
lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data,
struct atm_vcc *vcc,
void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb))
{
@ -2336,7 +2335,7 @@ restart:
static void
lec_set_flush_tran_id(struct lec_priv *priv,
unsigned char *atm_addr, unsigned long tran_id)
const unsigned char *atm_addr, unsigned long tran_id)
{
unsigned long flags;
struct hlist_node *node;

10
net/atm/lec.h
View File

@ -42,12 +42,12 @@ struct lecdatahdr_8025 {
*
*/
struct lane2_ops {
int (*resolve) (struct net_device *dev, u8 *dst_mac, int force,
int (*resolve) (struct net_device *dev, const u8 *dst_mac, int force,
u8 **tlvs, u32 *sizeoftlvs);
int (*associate_req) (struct net_device *dev, u8 *lan_dst,
u8 *tlvs, u32 sizeoftlvs);
void (*associate_indicator) (struct net_device *dev, u8 *mac_addr,
u8 *tlvs, u32 sizeoftlvs);
int (*associate_req) (struct net_device *dev, const u8 *lan_dst,
const u8 *tlvs, u32 sizeoftlvs);
void (*associate_indicator) (struct net_device *dev, const u8 *mac_addr,
const u8 *tlvs, u32 sizeoftlvs);
};
/*