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atm: use const where reasonable

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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 "signaling.h"
#include "addr.h" #include "addr.h"
static int check_addr(struct sockaddr_atmsvc *addr) static int check_addr(const struct sockaddr_atmsvc *addr)
{ {
int i; int i;
@ -23,7 +23,7 @@ static int check_addr(struct sockaddr_atmsvc *addr)
return -EINVAL; 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 (*a->sas_addr.prv)
if (memcmp(a->sas_addr.prv, b->sas_addr.prv, ATM_ESA_LEN)) 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); 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; 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); 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) enum atm_addr_type_t atype)
{ {
unsigned long flags; unsigned long flags;
@ -98,7 +98,7 @@ int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
return 0; 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) enum atm_addr_type_t atype)
{ {
unsigned long flags; unsigned long flags;

4
net/atm/addr.h
View file

@ -10,9 +10,9 @@
#include <linux/atmdev.h> #include <linux/atmdev.h>
void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t type); 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); 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); enum atm_addr_type_t type);
int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user *buf, int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user *buf,
size_t size, enum atm_addr_type_t type); 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 ETHERTYPE_IPV6 0x86, 0xdd
#define PAD_BRIDGED 0x00, 0x00 #define PAD_BRIDGED 0x00, 0x00
static unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 }; static const unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 };
static unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 }; static const unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 };
static unsigned char llc_oui_pid_pad[] = static const unsigned char llc_oui_pid_pad[] =
{ LLC, SNAP_BRIDGED, PID_ETHERNET, PAD_BRIDGED }; { LLC, SNAP_BRIDGED, PID_ETHERNET, PAD_BRIDGED };
static unsigned char llc_oui_ipv4[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV4 }; static const 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_ipv6[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV6 };
enum br2684_encaps { enum br2684_encaps {
e_vc = BR2684_ENCAPS_VC, e_vc = BR2684_ENCAPS_VC,
@ -217,8 +217,8 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct br2684_dev *brdev,
return 1; return 1;
} }
static inline struct br2684_vcc *pick_outgoing_vcc(struct sk_buff *skb, static inline struct br2684_vcc *pick_outgoing_vcc(const struct sk_buff *skb,
struct br2684_dev *brdev) const struct br2684_dev *brdev)
{ {
return list_empty(&brdev->brvccs) ? NULL : list_entry_brvcc(brdev->brvccs.next); /* 1 vcc/dev right now */ 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 & struct hlist_head *head = &vcc_hash[vci &
(VCC_HTABLE_SIZE - 1)]; (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 short p; /* poor man's per-device cache */
static int c; 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 */ /* @@@ Should be merged with adjust_tp */
if (!tp->traffic_class || tp->traffic_class == ATM_ANYCLASS) return 0; 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; 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 struct net_device_stats *lec_get_stats(struct net_device *dev);
static void lec_init(struct net_device *dev); static void lec_init(struct net_device *dev);
static struct lec_arp_table *lec_arp_find(struct lec_priv *priv, 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, static int lec_arp_remove(struct lec_priv *priv,
struct lec_arp_table *to_remove); struct lec_arp_table *to_remove);
/* LANE2 functions */ /* LANE2 functions */
static void lane2_associate_ind(struct net_device *dev, u8 *mac_address, static void lane2_associate_ind(struct net_device *dev, const u8 *mac_address,
u8 *tlvs, u32 sizeoftlvs); const u8 *tlvs, u32 sizeoftlvs);
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); u8 **tlvs, u32 *sizeoftlvs);
static int lane2_associate_req(struct net_device *dev, u8 *lan_dst, static int lane2_associate_req(struct net_device *dev, const u8 *lan_dst,
u8 *tlvs, u32 sizeoftlvs); 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); unsigned long permanent);
static void lec_arp_check_empties(struct lec_priv *priv, static void lec_arp_check_empties(struct lec_priv *priv,
struct atm_vcc *vcc, struct sk_buff *skb); struct atm_vcc *vcc, struct sk_buff *skb);
static void lec_arp_destroy(struct lec_priv *priv); static void lec_arp_destroy(struct lec_priv *priv);
static void lec_arp_init(struct lec_priv *priv); static void lec_arp_init(struct lec_priv *priv);
static struct atm_vcc *lec_arp_resolve(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, int is_rdesc,
struct lec_arp_table **ret_entry); struct lec_arp_table **ret_entry);
static void lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr, static void lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
unsigned char *atm_addr, unsigned long remoteflag, const unsigned char *atm_addr, unsigned long remoteflag,
unsigned int targetless_le_arp); unsigned int targetless_le_arp);
static void lec_flush_complete(struct lec_priv *priv, unsigned long tran_id); 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 int lec_mcast_make(struct lec_priv *priv, struct atm_vcc *vcc);
static void lec_set_flush_tran_id(struct lec_priv *priv, static void lec_set_flush_tran_id(struct lec_priv *priv,
unsigned char *atm_addr, const unsigned char *atm_addr,
unsigned long tran_id); 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, struct atm_vcc *vcc,
void (*old_push) (struct atm_vcc *vcc, void (*old_push) (struct atm_vcc *vcc,
struct sk_buff *skb)); struct sk_buff *skb));
@ -634,7 +634,7 @@ static struct atm_dev lecatm_dev = {
*/ */
static int static int
send_to_lecd(struct lec_priv *priv, atmlec_msg_type type, 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 sk_buff *data)
{ {
struct sock *sk; struct sock *sk;
@ -705,10 +705,9 @@ static void lec_init(struct net_device *dev)
dev->set_multicast_list = lec_set_multicast_list; dev->set_multicast_list = lec_set_multicast_list;
dev->do_ioctl = NULL; dev->do_ioctl = NULL;
printk("%s: Initialized!\n", dev->name); printk("%s: Initialized!\n", dev->name);
return;
} }
static unsigned char lec_ctrl_magic[] = { static const unsigned char lec_ctrl_magic[] = {
0xff, 0xff,
0x00, 0x00,
0x01, 0x01,
@ -1276,7 +1275,7 @@ module_exit(lane_module_cleanup);
* lec will be used. * lec will be used.
* If dst_mac == NULL, targetless LE_ARP will be sent * 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) u8 **tlvs, u32 *sizeoftlvs)
{ {
unsigned long flags; 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) * Returns 1 for success, 0 for failure (out of memory)
* *
*/ */
static int lane2_associate_req(struct net_device *dev, u8 *lan_dst, static int lane2_associate_req(struct net_device *dev, const u8 *lan_dst,
u8 *tlvs, u32 sizeoftlvs) const u8 *tlvs, u32 sizeoftlvs)
{ {
int retval; int retval;
struct sk_buff *skb; 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 * LANE2: 3.1.5, LE_ASSOCIATE.indication
* *
*/ */
static void lane2_associate_ind(struct net_device *dev, u8 *mac_addr, static void lane2_associate_ind(struct net_device *dev, const u8 *mac_addr,
u8 *tlvs, u32 sizeoftlvs) const u8 *tlvs, u32 sizeoftlvs)
{ {
#if 0 #if 0
int i = 0; int i = 0;
@ -1744,7 +1743,7 @@ static void lec_arp_destroy(struct lec_priv *priv)
* Find entry by mac_address * Find entry by mac_address
*/ */
static struct lec_arp_table *lec_arp_find(struct lec_priv *priv, 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_node *node;
struct hlist_head *head; 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, 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; struct lec_arp_table *to_return;
@ -1921,7 +1920,7 @@ restart:
* *
*/ */
static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv, 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) struct lec_arp_table **ret_entry)
{ {
unsigned long flags; unsigned long flags;
@ -2017,7 +2016,7 @@ out:
} }
static int 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 permanent)
{ {
unsigned long flags; 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) * Notifies: Response to arp_request (atm_addr != NULL)
*/ */
static void static void
lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr, lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
unsigned char *atm_addr, unsigned long remoteflag, const unsigned char *atm_addr, unsigned long remoteflag,
unsigned int targetless_le_arp) unsigned int targetless_le_arp)
{ {
unsigned long flags; unsigned long flags;
@ -2148,7 +2147,7 @@ out:
* Notifies: Vcc setup ready * Notifies: Vcc setup ready
*/ */
static void 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, struct atm_vcc *vcc,
void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb)) void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb))
{ {
@ -2336,7 +2335,7 @@ restart:
static void static void
lec_set_flush_tran_id(struct lec_priv *priv, 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; unsigned long flags;
struct hlist_node *node; struct hlist_node *node;

10
net/atm/lec.h
View file

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