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>

1 files changed, 27 insertions, 28 deletions

diff --git a/net/atm/lec.c b/net/atm/lec.c
index 653aca3573ac..5799fb52365a 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -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;