[ARM] 5259/2: [AT91] PWM LEDs on AT91SAM9263-EK

[linux-2.6-omap-h63xx.git] / net / atm / lec.c

diff --git a/net/atm/lec.c b/net/atm/lec.c
index 3235c57615e4fb7cda6b9278b3d6ca34b1a2bb52..5799fb52365ab45b8c90115c5b6ba7ef9ba49fe5 100644 (file)
--- 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,
@@ -1023,7 +1022,7 @@ static void *lec_tbl_walk(struct lec_state *state, struct hlist_head *tbl,
 
        if (!e)
                e = tbl->first;
-       if (e == (void *)1) {
+       if (e == SEQ_START_TOKEN) {
                e = tbl->first;
                --*l;
        }
@@ -1125,9 +1124,9 @@ static void *lec_seq_start(struct seq_file *seq, loff_t *pos)
        state->locked = NULL;
        state->arp_table = 0;
        state->misc_table = 0;
-       state->node = (void *)1;
+       state->node = SEQ_START_TOKEN;
 
-       return *pos ? lec_get_idx(state, *pos) : (void *)1;
+       return *pos ? lec_get_idx(state, *pos) : SEQ_START_TOKEN;
 }
 
 static void lec_seq_stop(struct seq_file *seq, void *v)
@@ -1156,7 +1155,7 @@ static int lec_seq_show(struct seq_file *seq, void *v)
            "                          Status            Flags "
            "VPI/VCI Recv VPI/VCI\n";
 
-       if (v == (void *)1)
+       if (v == SEQ_START_TOKEN)
                seq_puts(seq, lec_banner);
        else {
                struct lec_state *state = seq->private;
@@ -1178,32 +1177,7 @@ static const struct seq_operations lec_seq_ops = {
 
 static int lec_seq_open(struct inode *inode, struct file *file)
 {
-       struct lec_state *state;
-       struct seq_file *seq;
-       int rc = -EAGAIN;
-
-       state = kmalloc(sizeof(*state), GFP_KERNEL);
-       if (!state) {
-               rc = -ENOMEM;
-               goto out;
-       }
-
-       rc = seq_open(file, &lec_seq_ops);
-       if (rc)
-               goto out_kfree;
-       seq = file->private_data;
-       seq->private = state;
-out:
-       return rc;
-
-out_kfree:
-       kfree(state);
-       goto out;
-}
-
-static int lec_seq_release(struct inode *inode, struct file *file)
-{
-       return seq_release_private(inode, file);
+       return seq_open_private(file, &lec_seq_ops, sizeof(struct lec_state));
 }
 
 static const struct file_operations lec_seq_fops = {
@@ -1211,7 +1185,7 @@ static const struct file_operations lec_seq_fops = {
        .open = lec_seq_open,
        .read = seq_read,
        .llseek = seq_lseek,
-       .release = lec_seq_release,
+       .release = seq_release_private,
 };
 #endif
 
@@ -1301,7 +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;
@@ -1347,8 +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;
@@ -1383,8 +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;
@@ -1769,7 +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;
@@ -1789,7 +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;
 
@@ -1946,7 +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;
@@ -2042,7 +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;
@@ -2072,8 +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;
@@ -2173,7 +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))
 {
@@ -2361,7 +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;