writeback: ensure that WB_SYNC_NONE writeback with sb pinned is sync
[safe/jmp/linux-2.6] / net / atm / lec.c
index ff2e594..feeaf57 100644 (file)
@@ -4,6 +4,9 @@
  * Marko Kiiskila <mkiiskila@yahoo.com>
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
+
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/bitops.h>
 #include <linux/capability.h>
@@ -16,7 +19,7 @@
 #include <linux/skbuff.h>
 #include <linux/ip.h>
 #include <asm/byteorder.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <net/arp.h>
 #include <net/dst.h>
 #include <linux/proc_fs.h>
@@ -59,9 +62,9 @@ static unsigned char bridge_ula_lec[] = { 0x01, 0x80, 0xc2, 0x00, 0x00 };
                                 */
 
 static int lec_open(struct net_device *dev);
-static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t lec_start_xmit(struct sk_buff *skb,
+                                 struct net_device *dev);
 static int lec_close(struct net_device *dev);
-static void lec_init(struct net_device *dev);
 static struct lec_arp_table *lec_arp_find(struct lec_priv *priv,
                                          const unsigned char *mac_addr);
 static int lec_arp_remove(struct lec_priv *priv,
@@ -85,17 +88,19 @@ static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
                                       int is_rdesc,
                                       struct lec_arp_table **ret_entry);
 static void lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
-                          const unsigned char *atm_addr, unsigned long remoteflag,
+                          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,
                                  const unsigned char *atm_addr,
                                  unsigned long tran_id);
-static void lec_vcc_added(struct lec_priv *priv, const 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));
+                         void (*old_push)(struct atm_vcc *vcc,
+                                          struct sk_buff *skb));
 static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc);
 
 /* must be done under lec_arp_lock */
@@ -110,7 +115,6 @@ static inline void lec_arp_put(struct lec_arp_table *entry)
                kfree(entry);
 }
 
-
 static struct lane2_ops lane2_ops = {
        lane2_resolve,          /* resolve,             spec 3.1.3 */
        lane2_associate_req,    /* associate_req,       spec 3.1.4 */
@@ -148,7 +152,8 @@ static void lec_handle_bridge(struct sk_buff *skb, struct net_device *dev)
                mesg = (struct atmlec_msg *)skb2->data;
                mesg->type = l_topology_change;
                buff += 4;
-               mesg->content.normal.flag = *buff & 0x01;       /* 0x01 is topology change */
+               mesg->content.normal.flag = *buff & 0x01;
+                                       /* 0x01 is topology change */
 
                priv = netdev_priv(dev);
                atm_force_charge(priv->lecd, skb2->truesize);
@@ -242,12 +247,13 @@ lec_send(struct atm_vcc *vcc, struct sk_buff *skb)
 
 static void lec_tx_timeout(struct net_device *dev)
 {
-       printk(KERN_INFO "%s: tx timeout\n", dev->name);
+       pr_info("%s\n", dev->name);
        dev->trans_start = jiffies;
        netif_wake_queue(dev);
 }
 
-static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t lec_start_xmit(struct sk_buff *skb,
+                                 struct net_device *dev)
 {
        struct sk_buff *skb2;
        struct lec_priv *priv = netdev_priv(dev);
@@ -260,14 +266,10 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
        unsigned char rdesc[ETH_ALEN];  /* Token Ring route descriptor */
 #endif
        int is_rdesc;
-#if DUMP_PACKETS > 0
-       char buf[300];
-       int i = 0;
-#endif /* DUMP_PACKETS >0 */
 
-       pr_debug("lec_start_xmit called\n");
+       pr_debug("called\n");
        if (!priv->lecd) {
-               printk("%s:No lecd attached\n", dev->name);
+               pr_info("%s:No lecd attached\n", dev->name);
                dev->stats.tx_errors++;
                netif_stop_queue(dev);
                kfree_skb(skb);
@@ -275,8 +277,8 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
        }
 
        pr_debug("skbuff head:%lx data:%lx tail:%lx end:%lx\n",
-               (long)skb->head, (long)skb->data, (long)skb_tail_pointer(skb),
-               (long)skb_end_pointer(skb));
+                (long)skb->head, (long)skb->data, (long)skb_tail_pointer(skb),
+                (long)skb_end_pointer(skb));
 #if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)
        if (memcmp(skb->data, bridge_ula_lec, sizeof(bridge_ula_lec)) == 0)
                lec_handle_bridge(skb, dev);
@@ -284,12 +286,11 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
        /* Make sure we have room for lec_id */
        if (skb_headroom(skb) < 2) {
-
-               pr_debug("lec_start_xmit: reallocating skb\n");
+               pr_debug("reallocating skb\n");
                skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
                kfree_skb(skb);
                if (skb2 == NULL)
-                       return 0;
+                       return NETDEV_TX_OK;
                skb = skb2;
        }
        skb_push(skb, 2);
@@ -307,28 +308,22 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
                skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
                kfree_skb(skb);
                if (skb2 == NULL)
-                       return 0;
+                       return NETDEV_TX_OK;
                skb = skb2;
        }
 #endif
 
-#if DUMP_PACKETS > 0
-       printk("%s: send datalen:%ld lecid:%4.4x\n", dev->name,
-              skb->len, priv->lecid);
 #if DUMP_PACKETS >= 2
-       for (i = 0; i < skb->len && i < 99; i++) {
-               sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
-       }
+#define MAX_DUMP_SKB 99
 #elif DUMP_PACKETS >= 1
-       for (i = 0; i < skb->len && i < 30; i++) {
-               sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
-       }
+#define MAX_DUMP_SKB 30
+#endif
+#if DUMP_PACKETS >= 1
+       printk(KERN_DEBUG "%s: send datalen:%ld lecid:%4.4x\n",
+              dev->name, skb->len, priv->lecid);
+       print_hex_dump(KERN_DEBUG, "", DUMP_OFFSET, 16, 1,
+                      skb->data, min(skb->len, MAX_DUMP_SKB), true);
 #endif /* DUMP_PACKETS >= 1 */
-       if (i == skb->len)
-               printk("%s\n", buf);
-       else
-               printk("%s...\n", buf);
-#endif /* DUMP_PACKETS > 0 */
 
        /* Minimum ethernet-frame size */
 #ifdef CONFIG_TR
@@ -345,7 +340,7 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
                        dev_kfree_skb(skb);
                        if (skb2 == NULL) {
                                dev->stats.tx_dropped++;
-                               return 0;
+                               return NETDEV_TX_OK;
                        }
                        skb = skb2;
                }
@@ -366,31 +361,28 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
 #endif
        entry = NULL;
        vcc = lec_arp_resolve(priv, dst, is_rdesc, &entry);
-       pr_debug("%s:vcc:%p vcc_flags:%lx, entry:%p\n", dev->name,
-               vcc, vcc ? vcc->flags : 0, entry);
+       pr_debug("%s:vcc:%p vcc_flags:%lx, entry:%p\n",
+                dev->name, vcc, vcc ? vcc->flags : 0, entry);
        if (!vcc || !test_bit(ATM_VF_READY, &vcc->flags)) {
                if (entry && (entry->tx_wait.qlen < LEC_UNRES_QUE_LEN)) {
-                       pr_debug("%s:lec_start_xmit: queuing packet, ",
-                               dev->name);
-                       pr_debug("MAC address %pM\n", lec_h->h_dest);
+                       pr_debug("%s:queuing packet, MAC address %pM\n",
+                                dev->name, lec_h->h_dest);
                        skb_queue_tail(&entry->tx_wait, skb);
                } else {
-                       pr_debug
-                           ("%s:lec_start_xmit: tx queue full or no arp entry, dropping, ",
-                            dev->name);
-                       pr_debug("MAC address %pM\n", lec_h->h_dest);
+                       pr_debug("%s:tx queue full or no arp entry, dropping, MAC address: %pM\n",
+                                dev->name, lec_h->h_dest);
                        dev->stats.tx_dropped++;
                        dev_kfree_skb(skb);
                }
                goto out;
        }
 #if DUMP_PACKETS > 0
-       printk("%s:sending to vpi:%d vci:%d\n", dev->name, vcc->vpi, vcc->vci);
+       printk(KERN_DEBUG "%s:sending to vpi:%d vci:%d\n",
+              dev->name, vcc->vpi, vcc->vci);
 #endif /* DUMP_PACKETS > 0 */
 
        while (entry && (skb2 = skb_dequeue(&entry->tx_wait))) {
-               pr_debug("lec.c: emptying tx queue, ");
-               pr_debug("MAC address %pM\n", lec_h->h_dest);
+               pr_debug("emptying tx queue, MAC address %pM\n", lec_h->h_dest);
                lec_send(vcc, skb2);
        }
 
@@ -416,7 +408,7 @@ out:
        if (entry)
                lec_arp_put(entry);
        dev->trans_start = jiffies;
-       return 0;
+       return NETDEV_TX_OK;
 }
 
 /* The inverse routine to net_open(). */
@@ -443,14 +435,12 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
        pr_debug("%s: msg from zeppelin:%d\n", dev->name, mesg->type);
        switch (mesg->type) {
        case l_set_mac_addr:
-               for (i = 0; i < 6; i++) {
+               for (i = 0; i < 6; i++)
                        dev->dev_addr[i] = mesg->content.normal.mac_addr[i];
-               }
                break;
        case l_del_mac_addr:
-               for (i = 0; i < 6; i++) {
+               for (i = 0; i < 6; i++)
                        dev->dev_addr[i] = 0;
-               }
                break;
        case l_addr_delete:
                lec_addr_delete(priv, mesg->content.normal.atm_addr,
@@ -476,10 +466,10 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
                               mesg->content.normal.atm_addr,
                               mesg->content.normal.flag,
                               mesg->content.normal.targetless_le_arp);
-               pr_debug("lec: in l_arp_update\n");
+               pr_debug("in l_arp_update\n");
                if (mesg->sizeoftlvs != 0) {    /* LANE2 3.1.5 */
-                       pr_debug("lec: LANE2 3.1.5, got tlvs, size %d\n",
-                               mesg->sizeoftlvs);
+                       pr_debug("LANE2 3.1.5, got tlvs, size %d\n",
+                                mesg->sizeoftlvs);
                        lane2_associate_ind(dev, mesg->content.normal.mac_addr,
                                            tmp, mesg->sizeoftlvs);
                }
@@ -498,13 +488,14 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
                priv->flush_timeout = (mesg->content.config.flush_timeout * HZ);
                priv->path_switching_delay =
                    (mesg->content.config.path_switching_delay * HZ);
-               priv->lane_version = mesg->content.config.lane_version; /* LANE2 */
+               priv->lane_version = mesg->content.config.lane_version;
+                                       /* LANE2 */
                priv->lane2_ops = NULL;
                if (priv->lane_version > 1)
                        priv->lane2_ops = &lane2_ops;
                if (dev_set_mtu(dev, mesg->content.config.mtu))
-                       printk("%s: change_mtu to %d failed\n", dev->name,
-                              mesg->content.config.mtu);
+                       pr_info("%s: change_mtu to %d failed\n",
+                               dev->name, mesg->content.config.mtu);
                priv->is_proxy = mesg->content.config.is_proxy;
                break;
        case l_flush_tran_id:
@@ -517,40 +508,35 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
                break;
        case l_should_bridge:
 #if defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE)
-               {
-                       pr_debug("%s: bridge zeppelin asks about %pM\n",
-                                dev->name, mesg->content.proxy.mac_addr);
+       {
+               pr_debug("%s: bridge zeppelin asks about %pM\n",
+                        dev->name, mesg->content.proxy.mac_addr);
 
-                       if (br_fdb_test_addr_hook == NULL)
-                               break;
+               if (br_fdb_test_addr_hook == NULL)
+                       break;
 
-                       if (br_fdb_test_addr_hook(dev,
-                                       mesg->content.proxy.mac_addr)) {
-                               /* hit from bridge table, send LE_ARP_RESPONSE */
-                               struct sk_buff *skb2;
-                               struct sock *sk;
-
-                               pr_debug
-                                   ("%s: entry found, responding to zeppelin\n",
-                                    dev->name);
-                               skb2 =
-                                   alloc_skb(sizeof(struct atmlec_msg),
-                                             GFP_ATOMIC);
-                               if (skb2 == NULL)
-                                       break;
-                               skb2->len = sizeof(struct atmlec_msg);
-                               skb_copy_to_linear_data(skb2, mesg,
-                                                       sizeof(*mesg));
-                               atm_force_charge(priv->lecd, skb2->truesize);
-                               sk = sk_atm(priv->lecd);
-                               skb_queue_tail(&sk->sk_receive_queue, skb2);
-                               sk->sk_data_ready(sk, skb2->len);
-                       }
+               if (br_fdb_test_addr_hook(dev, mesg->content.proxy.mac_addr)) {
+                       /* hit from bridge table, send LE_ARP_RESPONSE */
+                       struct sk_buff *skb2;
+                       struct sock *sk;
+
+                       pr_debug("%s: entry found, responding to zeppelin\n",
+                                dev->name);
+                       skb2 = alloc_skb(sizeof(struct atmlec_msg), GFP_ATOMIC);
+                       if (skb2 == NULL)
+                               break;
+                       skb2->len = sizeof(struct atmlec_msg);
+                       skb_copy_to_linear_data(skb2, mesg, sizeof(*mesg));
+                       atm_force_charge(priv->lecd, skb2->truesize);
+                       sk = sk_atm(priv->lecd);
+                       skb_queue_tail(&sk->sk_receive_queue, skb2);
+                       sk->sk_data_ready(sk, skb2->len);
                }
+       }
 #endif /* defined(CONFIG_BRIDGE) || defined(CONFIG_BRIDGE_MODULE) */
                break;
        default:
-               printk("%s: Unknown message type %d\n", dev->name, mesg->type);
+               pr_info("%s: Unknown message type %d\n", dev->name, mesg->type);
                dev_kfree_skb(skb);
                return -EINVAL;
        }
@@ -571,14 +557,13 @@ static void lec_atm_close(struct atm_vcc *vcc)
        lec_arp_destroy(priv);
 
        if (skb_peek(&sk_atm(vcc)->sk_receive_queue))
-               printk("%s lec_atm_close: closing with messages pending\n",
-                      dev->name);
-       while ((skb = skb_dequeue(&sk_atm(vcc)->sk_receive_queue)) != NULL) {
+               pr_info("%s closing with messages pending\n", dev->name);
+       while ((skb = skb_dequeue(&sk_atm(vcc)->sk_receive_queue))) {
                atm_return(vcc, skb->truesize);
                dev_kfree_skb(skb);
        }
 
-       printk("%s: Shut down!\n", dev->name);
+       pr_info("%s: Shut down!\n", dev->name);
        module_put(THIS_MODULE);
 }
 
@@ -607,9 +592,8 @@ send_to_lecd(struct lec_priv *priv, atmlec_msg_type type,
        struct sk_buff *skb;
        struct atmlec_msg *mesg;
 
-       if (!priv || !priv->lecd) {
+       if (!priv || !priv->lecd)
                return -1;
-       }
        skb = alloc_skb(sizeof(struct atmlec_msg), GFP_ATOMIC);
        if (!skb)
                return -1;
@@ -632,7 +616,7 @@ send_to_lecd(struct lec_priv *priv, atmlec_msg_type type,
        sk->sk_data_ready(sk, skb->len);
 
        if (data != NULL) {
-               pr_debug("lec: about to send %d bytes of data\n", data->len);
+               pr_debug("about to send %d bytes of data\n", data->len);
                atm_force_charge(priv->lecd, data->truesize);
                skb_queue_tail(&sk->sk_receive_queue, data);
                sk->sk_data_ready(sk, skb->len);
@@ -668,13 +652,6 @@ static const struct net_device_ops lec_netdev_ops = {
        .ndo_set_multicast_list = lec_set_multicast_list,
 };
 
-
-static void lec_init(struct net_device *dev)
-{
-       dev->netdev_ops = &lec_netdev_ops;
-       printk("%s: Initialized!\n", dev->name);
-}
-
 static const unsigned char lec_ctrl_magic[] = {
        0xff,
        0x00,
@@ -697,36 +674,28 @@ static void lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
        struct net_device *dev = (struct net_device *)vcc->proto_data;
        struct lec_priv *priv = netdev_priv(dev);
 
-#if DUMP_PACKETS >0
-       int i = 0;
-       char buf[300];
-
-       printk("%s: lec_push vcc vpi:%d vci:%d\n", dev->name,
-              vcc->vpi, vcc->vci);
+#if DUMP_PACKETS > 0
+       printk(KERN_DEBUG "%s: vcc vpi:%d vci:%d\n",
+              dev->name, vcc->vpi, vcc->vci);
 #endif
        if (!skb) {
                pr_debug("%s: null skb\n", dev->name);
                lec_vcc_close(priv, vcc);
                return;
        }
-#if DUMP_PACKETS > 0
-       printk("%s: rcv datalen:%ld lecid:%4.4x\n", dev->name,
-              skb->len, priv->lecid);
 #if DUMP_PACKETS >= 2
-       for (i = 0; i < skb->len && i < 99; i++) {
-               sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
-       }
+#define MAX_SKB_DUMP 99
 #elif DUMP_PACKETS >= 1
-       for (i = 0; i < skb->len && i < 30; i++) {
-               sprintf(buf + i * 3, "%2.2x ", 0xff & skb->data[i]);
-       }
-#endif /* DUMP_PACKETS >= 1 */
-       if (i == skb->len)
-               printk("%s\n", buf);
-       else
-               printk("%s...\n", buf);
+#define MAX_SKB_DUMP 30
+#endif
+#if DUMP_PACKETS > 0
+       printk(KERN_DEBUG "%s: rcv datalen:%ld lecid:%4.4x\n",
+              dev->name, skb->len, priv->lecid);
+       print_hex_dump(KERN_DEBUG, "", DUMP_OFFSET, 16, 1,
+                      skb->data, min(MAX_SKB_DUMP, skb->len), true);
 #endif /* DUMP_PACKETS > 0 */
-       if (memcmp(skb->data, lec_ctrl_magic, 4) == 0) {        /* Control frame, to daemon */
+       if (memcmp(skb->data, lec_ctrl_magic, 4) == 0) {
+                               /* Control frame, to daemon */
                struct sock *sk = sk_atm(vcc);
 
                pr_debug("%s: To daemon\n", dev->name);
@@ -784,9 +753,8 @@ static void lec_push(struct atm_vcc *vcc, struct sk_buff *skb)
                        dev_kfree_skb(skb);
                        return;
                }
-               if (!hlist_empty(&priv->lec_arp_empty_ones)) {
+               if (!hlist_empty(&priv->lec_arp_empty_ones))
                        lec_arp_check_empties(priv, vcc, skb);
-               }
                skb_pull(skb, 2);       /* skip lec_id */
 #ifdef CONFIG_TR
                if (priv->is_trdev)
@@ -807,7 +775,7 @@ static void lec_pop(struct atm_vcc *vcc, struct sk_buff *skb)
        struct net_device *dev = skb->dev;
 
        if (vpriv == NULL) {
-               printk("lec_pop(): vpriv = NULL!?!?!?\n");
+               pr_info("vpriv = NULL!?!?!?\n");
                return;
        }
 
@@ -828,15 +796,13 @@ static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
 
        /* Lecd must be up in this case */
        bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmlec_ioc));
-       if (bytes_left != 0) {
-               printk
-                   ("lec: lec_vcc_attach, copy from user failed for %d bytes\n",
-                    bytes_left);
-       }
+       if (bytes_left != 0)
+               pr_info("copy from user failed for %d bytes\n", bytes_left);
        if (ioc_data.dev_num < 0 || ioc_data.dev_num >= MAX_LEC_ITF ||
            !dev_lec[ioc_data.dev_num])
                return -EINVAL;
-       if (!(vpriv = kmalloc(sizeof(struct lec_vcc_priv), GFP_KERNEL)))
+       vpriv = kmalloc(sizeof(struct lec_vcc_priv), GFP_KERNEL);
+       if (!vpriv)
                return -ENOMEM;
        vpriv->xoff = 0;
        vpriv->old_pop = vcc->pop;
@@ -891,6 +857,7 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
                        dev_lec[i] = alloc_etherdev(size);
                if (!dev_lec[i])
                        return -ENOMEM;
+               dev_lec[i]->netdev_ops = &lec_netdev_ops;
                snprintf(dev_lec[i]->name, IFNAMSIZ, "lec%d", i);
                if (register_netdev(dev_lec[i])) {
                        free_netdev(dev_lec[i]);
@@ -899,7 +866,6 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
 
                priv = netdev_priv(dev_lec[i]);
                priv->is_trdev = is_trdev;
-               lec_init(dev_lec[i]);
        } else {
                priv = netdev_priv(dev_lec[i]);
                if (priv->lecd)
@@ -927,17 +893,16 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
        priv->flush_timeout = (4 * HZ);
        priv->path_switching_delay = (6 * HZ);
 
-       if (dev_lec[i]->flags & IFF_UP) {
+       if (dev_lec[i]->flags & IFF_UP)
                netif_start_queue(dev_lec[i]);
-       }
        __module_get(THIS_MODULE);
        return i;
 }
 
 #ifdef CONFIG_PROC_FS
-static char *lec_arp_get_status_string(unsigned char status)
+static const char *lec_arp_get_status_string(unsigned char status)
 {
-       static char *lec_arp_status_string[] = {
+       static const char *const lec_arp_status_string[] = {
                "ESI_UNKNOWN       ",
                "ESI_ARP_PENDING   ",
                "ESI_VC_PENDING    ",
@@ -1121,7 +1086,8 @@ static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 
 static int lec_seq_show(struct seq_file *seq, void *v)
 {
-       static char lec_banner[] = "Itf  MAC          ATM destination"
+       static const char lec_banner[] =
+           "Itf  MAC          ATM destination"
            "                          Status            Flags "
            "VPI/VCI Recv VPI/VCI\n";
 
@@ -1130,7 +1096,9 @@ static int lec_seq_show(struct seq_file *seq, void *v)
        else {
                struct lec_state *state = seq->private;
                struct net_device *dev = state->dev;
-               struct lec_arp_table *entry = hlist_entry(state->node, struct lec_arp_table, next);
+               struct lec_arp_table *entry = hlist_entry(state->node,
+                                                         struct lec_arp_table,
+                                                         next);
 
                seq_printf(seq, "%s ", dev->name);
                lec_info(seq, entry);
@@ -1204,13 +1172,13 @@ static int __init lane_module_init(void)
 
        p = proc_create("lec", S_IRUGO, atm_proc_root, &lec_seq_fops);
        if (!p) {
-               printk(KERN_ERR "Unable to initialize /proc/net/atm/lec\n");
+               pr_err("Unable to initialize /proc/net/atm/lec\n");
                return -ENOMEM;
        }
 #endif
 
        register_atm_ioctl(&lane_ioctl_ops);
-       printk("lec.c: " __DATE__ " " __TIME__ " initialized\n");
+       pr_info("lec.c: " __DATE__ " " __TIME__ " initialized\n");
        return 0;
 }
 
@@ -1299,13 +1267,13 @@ static int lane2_associate_req(struct net_device *dev, const u8 *lan_dst,
        struct lec_priv *priv = netdev_priv(dev);
 
        if (compare_ether_addr(lan_dst, dev->dev_addr))
-               return (0);     /* not our mac address */
+               return 0;       /* not our mac address */
 
        kfree(priv->tlvs);      /* NULL if there was no previous association */
 
        priv->tlvs = kmemdup(tlvs, sizeoftlvs, GFP_KERNEL);
        if (priv->tlvs == NULL)
-               return (0);
+               return 0;
        priv->sizeoftlvs = sizeoftlvs;
 
        skb = alloc_skb(sizeoftlvs, GFP_ATOMIC);
@@ -1315,12 +1283,12 @@ static int lane2_associate_req(struct net_device *dev, const u8 *lan_dst,
        skb_copy_to_linear_data(skb, tlvs, sizeoftlvs);
        retval = send_to_lecd(priv, l_associate_req, NULL, NULL, skb);
        if (retval != 0)
-               printk("lec.c: lane2_associate_req() failed\n");
+               pr_info("lec.c: lane2_associate_req() failed\n");
        /*
         * If the previous association has changed we must
         * somehow notify other LANE entities about the change
         */
-       return (1);
+       return 1;
 }
 
 /*
@@ -1353,12 +1321,12 @@ static void lane2_associate_ind(struct net_device *dev, const u8 *mac_addr,
        entry->sizeoftlvs = sizeoftlvs;
 #endif
 #if 0
-       printk("lec.c: lane2_associate_ind()\n");
-       printk("dump of tlvs, sizeoftlvs=%d\n", sizeoftlvs);
+       pr_info("\n");
+       pr_info("dump of tlvs, sizeoftlvs=%d\n", sizeoftlvs);
        while (i < sizeoftlvs)
-               printk("%02x ", tlvs[i++]);
+               pr_cont("%02x ", tlvs[i++]);
 
-       printk("\n");
+       pr_cont("\n");
 #endif
 
        /* tell MPOA about the TLVs we saw */
@@ -1378,15 +1346,15 @@ static void lane2_associate_ind(struct net_device *dev, const u8 *mac_addr,
 
 #include <linux/types.h>
 #include <linux/timer.h>
-#include <asm/param.h>
+#include <linux/param.h>
 #include <asm/atomic.h>
 #include <linux/inetdevice.h>
 #include <net/route.h>
 
 #if 0
-#define pr_debug(format,args...)
+#define pr_debug(format, args...)
 /*
-#define pr_debug printk
+  #define pr_debug printk
 */
 #endif
 #define DEBUG_ARP_TABLE 0
@@ -1400,7 +1368,7 @@ static void lec_arp_expire_arp(unsigned long data);
  * Arp table funcs
  */
 
-#define HASH(ch) (ch & (LEC_ARP_TABLE_SIZE -1))
+#define HASH(ch) (ch & (LEC_ARP_TABLE_SIZE - 1))
 
 /*
  * Initialization of arp-cache
@@ -1409,9 +1377,8 @@ static void lec_arp_init(struct lec_priv *priv)
 {
        unsigned short i;
 
-       for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
+       for (i = 0; i < LEC_ARP_TABLE_SIZE; i++)
                INIT_HLIST_HEAD(&priv->lec_arp_tables[i]);
-       }
        INIT_HLIST_HEAD(&priv->lec_arp_empty_ones);
        INIT_HLIST_HEAD(&priv->lec_no_forward);
        INIT_HLIST_HEAD(&priv->mcast_fwds);
@@ -1455,10 +1422,7 @@ lec_arp_add(struct lec_priv *priv, struct lec_arp_table *entry)
        tmp = &priv->lec_arp_tables[HASH(entry->mac_addr[ETH_ALEN - 1])];
        hlist_add_head(&entry->next, tmp);
 
-       pr_debug("LEC_ARP: Added entry:%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x\n",
-               0xff & entry->mac_addr[0], 0xff & entry->mac_addr[1],
-               0xff & entry->mac_addr[2], 0xff & entry->mac_addr[3],
-               0xff & entry->mac_addr[4], 0xff & entry->mac_addr[5]);
+       pr_debug("Added entry:%pM\n", entry->mac_addr);
 }
 
 /*
@@ -1471,20 +1435,23 @@ lec_arp_remove(struct lec_priv *priv, struct lec_arp_table *to_remove)
        struct lec_arp_table *entry;
        int i, remove_vcc = 1;
 
-       if (!to_remove) {
+       if (!to_remove)
                return -1;
-       }
 
        hlist_del(&to_remove->next);
        del_timer(&to_remove->timer);
 
-       /* If this is the only MAC connected to this VCC, also tear down the VCC */
+       /*
+        * If this is the only MAC connected to this VCC,
+        * also tear down the VCC
+        */
        if (to_remove->status >= ESI_FLUSH_PENDING) {
                /*
                 * ESI_FLUSH_PENDING, ESI_FORWARD_DIRECT
                 */
                for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
-                       hlist_for_each_entry(entry, node, &priv->lec_arp_tables[i], next) {
+                       hlist_for_each_entry(entry, node,
+                                            &priv->lec_arp_tables[i], next) {
                                if (memcmp(to_remove->atm_addr,
                                           entry->atm_addr, ATM_ESA_LEN) == 0) {
                                        remove_vcc = 0;
@@ -1497,15 +1464,12 @@ lec_arp_remove(struct lec_priv *priv, struct lec_arp_table *to_remove)
        }
        skb_queue_purge(&to_remove->tx_wait);   /* FIXME: good place for this? */
 
-       pr_debug("LEC_ARP: Removed entry:%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x\n",
-               0xff & to_remove->mac_addr[0], 0xff & to_remove->mac_addr[1],
-               0xff & to_remove->mac_addr[2], 0xff & to_remove->mac_addr[3],
-               0xff & to_remove->mac_addr[4], 0xff & to_remove->mac_addr[5]);
+       pr_debug("Removed entry:%pM\n", to_remove->mac_addr);
        return 0;
 }
 
 #if DEBUG_ARP_TABLE
-static char *get_status_string(unsigned char st)
+static const char *get_status_string(unsigned char st)
 {
        switch (st) {
        case ESI_UNKNOWN:
@@ -1518,9 +1482,8 @@ static char *get_status_string(unsigned char st)
                return "ESI_FLUSH_PENDING";
        case ESI_FORWARD_DIRECT:
                return "ESI_FORWARD_DIRECT";
-       default:
-               return "<UNKNOWN>";
        }
+       return "<UNKNOWN>";
 }
 
 static void dump_arp_table(struct lec_priv *priv)
@@ -1530,18 +1493,15 @@ static void dump_arp_table(struct lec_priv *priv)
        char buf[256];
        int i, j, offset;
 
-       printk("Dump %p:\n", priv);
+       pr_info("Dump %p:\n", priv);
        for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
-               hlist_for_each_entry(rulla, node, &priv->lec_arp_tables[i], next) {
+               hlist_for_each_entry(rulla, node,
+                                    &priv->lec_arp_tables[i], next) {
                        offset = 0;
                        offset += sprintf(buf, "%d: %p\n", i, rulla);
-                       offset += sprintf(buf + offset, "Mac:");
-                       for (j = 0; j < ETH_ALEN; j++) {
-                               offset += sprintf(buf + offset,
-                                                 "%2.2x ",
-                                                 rulla->mac_addr[j] & 0xff);
-                       }
-                       offset += sprintf(buf + offset, "Atm:");
+                       offset += sprintf(buf + offset, "Mac: %pM",
+                                         rulla->mac_addr);
+                       offset += sprintf(buf + offset, " Atm:");
                        for (j = 0; j < ATM_ESA_LEN; j++) {
                                offset += sprintf(buf + offset,
                                                  "%2.2x ",
@@ -1561,20 +1521,16 @@ static void dump_arp_table(struct lec_priv *priv)
                                    "Flags:%x, Packets_flooded:%x, Status: %s ",
                                    rulla->flags, rulla->packets_flooded,
                                    get_status_string(rulla->status));
-                       printk("%s\n", buf);
+                       pr_info("%s\n", buf);
                }
        }
 
        if (!hlist_empty(&priv->lec_no_forward))
-               printk("No forward\n");
+               pr_info("No forward\n");
        hlist_for_each_entry(rulla, node, &priv->lec_no_forward, next) {
                offset = 0;
-               offset += sprintf(buf + offset, "Mac:");
-               for (j = 0; j < ETH_ALEN; j++) {
-                       offset += sprintf(buf + offset, "%2.2x ",
-                                         rulla->mac_addr[j] & 0xff);
-               }
-               offset += sprintf(buf + offset, "Atm:");
+               offset += sprintf(buf + offset, "Mac: %pM", rulla->mac_addr);
+               offset += sprintf(buf + offset, " Atm:");
                for (j = 0; j < ATM_ESA_LEN; j++) {
                        offset += sprintf(buf + offset, "%2.2x ",
                                          rulla->atm_addr[j] & 0xff);
@@ -1591,19 +1547,15 @@ static void dump_arp_table(struct lec_priv *priv)
                                  "Flags:%x, Packets_flooded:%x, Status: %s ",
                                  rulla->flags, rulla->packets_flooded,
                                  get_status_string(rulla->status));
-               printk("%s\n", buf);
+               pr_info("%s\n", buf);
        }
 
        if (!hlist_empty(&priv->lec_arp_empty_ones))
-               printk("Empty ones\n");
+               pr_info("Empty ones\n");
        hlist_for_each_entry(rulla, node, &priv->lec_arp_empty_ones, next) {
                offset = 0;
-               offset += sprintf(buf + offset, "Mac:");
-               for (j = 0; j < ETH_ALEN; j++) {
-                       offset += sprintf(buf + offset, "%2.2x ",
-                                         rulla->mac_addr[j] & 0xff);
-               }
-               offset += sprintf(buf + offset, "Atm:");
+               offset += sprintf(buf + offset, "Mac: %pM", rulla->mac_addr);
+               offset += sprintf(buf + offset, " Atm:");
                for (j = 0; j < ATM_ESA_LEN; j++) {
                        offset += sprintf(buf + offset, "%2.2x ",
                                          rulla->atm_addr[j] & 0xff);
@@ -1620,19 +1572,15 @@ static void dump_arp_table(struct lec_priv *priv)
                                  "Flags:%x, Packets_flooded:%x, Status: %s ",
                                  rulla->flags, rulla->packets_flooded,
                                  get_status_string(rulla->status));
-               printk("%s", buf);
+               pr_info("%s", buf);
        }
 
        if (!hlist_empty(&priv->mcast_fwds))
-               printk("Multicast Forward VCCs\n");
+               pr_info("Multicast Forward VCCs\n");
        hlist_for_each_entry(rulla, node, &priv->mcast_fwds, next) {
                offset = 0;
-               offset += sprintf(buf + offset, "Mac:");
-               for (j = 0; j < ETH_ALEN; j++) {
-                       offset += sprintf(buf + offset, "%2.2x ",
-                                         rulla->mac_addr[j] & 0xff);
-               }
-               offset += sprintf(buf + offset, "Atm:");
+               offset += sprintf(buf + offset, "Mac: %pM", rulla->mac_addr);
+               offset += sprintf(buf + offset, " Atm:");
                for (j = 0; j < ATM_ESA_LEN; j++) {
                        offset += sprintf(buf + offset, "%2.2x ",
                                          rulla->atm_addr[j] & 0xff);
@@ -1649,7 +1597,7 @@ static void dump_arp_table(struct lec_priv *priv)
                                  "Flags:%x, Packets_flooded:%x, Status: %s ",
                                  rulla->flags, rulla->packets_flooded,
                                  get_status_string(rulla->status));
-               printk("%s\n", buf);
+               pr_info("%s\n", buf);
        }
 
 }
@@ -1675,14 +1623,16 @@ static void lec_arp_destroy(struct lec_priv *priv)
 
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
        for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
-               hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_tables[i], next) {
+               hlist_for_each_entry_safe(entry, node, next,
+                                         &priv->lec_arp_tables[i], next) {
                        lec_arp_remove(priv, entry);
                        lec_arp_put(entry);
                }
                INIT_HLIST_HEAD(&priv->lec_arp_tables[i]);
        }
 
-       hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_empty_ones, next) {
+       hlist_for_each_entry_safe(entry, node, next,
+                                 &priv->lec_arp_empty_ones, next) {
                del_timer_sync(&entry->timer);
                lec_arp_clear_vccs(entry);
                hlist_del(&entry->next);
@@ -1690,7 +1640,8 @@ static void lec_arp_destroy(struct lec_priv *priv)
        }
        INIT_HLIST_HEAD(&priv->lec_arp_empty_ones);
 
-       hlist_for_each_entry_safe(entry, node, next, &priv->lec_no_forward, next) {
+       hlist_for_each_entry_safe(entry, node, next,
+                                 &priv->lec_no_forward, next) {
                del_timer_sync(&entry->timer);
                lec_arp_clear_vccs(entry);
                hlist_del(&entry->next);
@@ -1719,15 +1670,12 @@ static struct lec_arp_table *lec_arp_find(struct lec_priv *priv,
        struct hlist_head *head;
        struct lec_arp_table *entry;
 
-       pr_debug("LEC_ARP: lec_arp_find :%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x\n",
-               mac_addr[0] & 0xff, mac_addr[1] & 0xff, mac_addr[2] & 0xff,
-               mac_addr[3] & 0xff, mac_addr[4] & 0xff, mac_addr[5] & 0xff);
+       pr_debug("%pM\n", mac_addr);
 
        head = &priv->lec_arp_tables[HASH(mac_addr[ETH_ALEN - 1])];
        hlist_for_each_entry(entry, node, head, next) {
-               if (!compare_ether_addr(mac_addr, entry->mac_addr)) {
+               if (!compare_ether_addr(mac_addr, entry->mac_addr))
                        return entry;
-               }
        }
        return NULL;
 }
@@ -1739,7 +1687,7 @@ static struct lec_arp_table *make_entry(struct lec_priv *priv,
 
        to_return = kzalloc(sizeof(struct lec_arp_table), GFP_ATOMIC);
        if (!to_return) {
-               printk("LEC: Arp entry kmalloc failed\n");
+               pr_info("LEC: Arp entry kmalloc failed\n");
                return NULL;
        }
        memcpy(to_return->mac_addr, mac_addr, ETH_ALEN);
@@ -1760,7 +1708,7 @@ static void lec_arp_expire_arp(unsigned long data)
 
        entry = (struct lec_arp_table *)data;
 
-       pr_debug("lec_arp_expire_arp\n");
+       pr_debug("\n");
        if (entry->status == ESI_ARP_PENDING) {
                if (entry->no_tries <= entry->priv->max_retry_count) {
                        if (entry->is_rdesc)
@@ -1784,10 +1732,10 @@ static void lec_arp_expire_vcc(unsigned long data)
 
        del_timer(&to_remove->timer);
 
-       pr_debug("LEC_ARP %p %p: lec_arp_expire_vcc vpi:%d vci:%d\n",
-               to_remove, priv,
-               to_remove->vcc ? to_remove->recv_vcc->vpi : 0,
-               to_remove->vcc ? to_remove->recv_vcc->vci : 0);
+       pr_debug("%p %p: vpi:%d vci:%d\n",
+                to_remove, priv,
+                to_remove->vcc ? to_remove->recv_vcc->vpi : 0,
+                to_remove->vcc ? to_remove->recv_vcc->vci : 0);
 
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
        hlist_del(&to_remove->next);
@@ -1797,6 +1745,50 @@ static void lec_arp_expire_vcc(unsigned long data)
        lec_arp_put(to_remove);
 }
 
+static bool __lec_arp_check_expire(struct lec_arp_table *entry,
+                                  unsigned long now,
+                                  struct lec_priv *priv)
+{
+       unsigned long time_to_check;
+
+       if ((entry->flags) & LEC_REMOTE_FLAG && priv->topology_change)
+               time_to_check = priv->forward_delay_time;
+       else
+               time_to_check = priv->aging_time;
+
+       pr_debug("About to expire: %lx - %lx > %lx\n",
+                now, entry->last_used, time_to_check);
+       if (time_after(now, entry->last_used + time_to_check) &&
+           !(entry->flags & LEC_PERMANENT_FLAG) &&
+           !(entry->mac_addr[0] & 0x01)) {     /* LANE2: 7.1.20 */
+               /* Remove entry */
+               pr_debug("Entry timed out\n");
+               lec_arp_remove(priv, entry);
+               lec_arp_put(entry);
+       } else {
+               /* Something else */
+               if ((entry->status == ESI_VC_PENDING ||
+                    entry->status == ESI_ARP_PENDING) &&
+                   time_after_eq(now, entry->timestamp +
+                                      priv->max_unknown_frame_time)) {
+                       entry->timestamp = jiffies;
+                       entry->packets_flooded = 0;
+                       if (entry->status == ESI_VC_PENDING)
+                               send_to_lecd(priv, l_svc_setup,
+                                            entry->mac_addr,
+                                            entry->atm_addr,
+                                            NULL);
+               }
+               if (entry->status == ESI_FLUSH_PENDING &&
+                   time_after_eq(now, entry->timestamp +
+                                      priv->path_switching_delay)) {
+                       lec_arp_hold(entry);
+                       return true;
+               }
+       }
+
+       return false;
+}
 /*
  * Expire entries.
  * 1. Re-set timer
@@ -1821,62 +1813,28 @@ static void lec_arp_check_expire(struct work_struct *work)
        struct hlist_node *node, *next;
        struct lec_arp_table *entry;
        unsigned long now;
-       unsigned long time_to_check;
        int i;
 
-       pr_debug("lec_arp_check_expire %p\n", priv);
+       pr_debug("%p\n", priv);
        now = jiffies;
 restart:
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
        for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
-               hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_tables[i], next) {
-                       if ((entry->flags) & LEC_REMOTE_FLAG &&
-                           priv->topology_change)
-                               time_to_check = priv->forward_delay_time;
-                       else
-                               time_to_check = priv->aging_time;
-
-                       pr_debug("About to expire: %lx - %lx > %lx\n",
-                               now, entry->last_used, time_to_check);
-                       if (time_after(now, entry->last_used + time_to_check)
-                           && !(entry->flags & LEC_PERMANENT_FLAG)
-                           && !(entry->mac_addr[0] & 0x01)) {  /* LANE2: 7.1.20 */
-                               /* Remove entry */
-                               pr_debug("LEC:Entry timed out\n");
-                               lec_arp_remove(priv, entry);
+               hlist_for_each_entry_safe(entry, node, next,
+                                         &priv->lec_arp_tables[i], next) {
+                       if (__lec_arp_check_expire(entry, now, priv)) {
+                               struct sk_buff *skb;
+                               struct atm_vcc *vcc = entry->vcc;
+
+                               spin_unlock_irqrestore(&priv->lec_arp_lock,
+                                                      flags);
+                               while ((skb = skb_dequeue(&entry->tx_wait)))
+                                       lec_send(vcc, skb);
+                               entry->last_used = jiffies;
+                               entry->status = ESI_FORWARD_DIRECT;
                                lec_arp_put(entry);
-                       } else {
-                               /* Something else */
-                               if ((entry->status == ESI_VC_PENDING ||
-                                    entry->status == ESI_ARP_PENDING)
-                                   && time_after_eq(now,
-                                                    entry->timestamp +
-                                                    priv->
-                                                    max_unknown_frame_time)) {
-                                       entry->timestamp = jiffies;
-                                       entry->packets_flooded = 0;
-                                       if (entry->status == ESI_VC_PENDING)
-                                               send_to_lecd(priv, l_svc_setup,
-                                                            entry->mac_addr,
-                                                            entry->atm_addr,
-                                                            NULL);
-                               }
-                               if (entry->status == ESI_FLUSH_PENDING
-                                   &&
-                                   time_after_eq(now, entry->timestamp +
-                                                 priv->path_switching_delay)) {
-                                       struct sk_buff *skb;
-                                       struct atm_vcc *vcc = entry->vcc;
-
-                                       lec_arp_hold(entry);
-                                       spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
-                                       while ((skb = skb_dequeue(&entry->tx_wait)) != NULL)
-                                               lec_send(vcc, skb);
-                                       entry->last_used = jiffies;
-                                       entry->status = ESI_FORWARD_DIRECT;
-                                       lec_arp_put(entry);
-                                       goto restart;
-                               }
+
+                               goto restart;
                        }
                }
        }
@@ -1890,7 +1848,8 @@ restart:
  *
  */
 static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
-                                      const 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;
@@ -1926,9 +1885,8 @@ static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
                 * If the LE_ARP cache entry is still pending, reset count to 0
                 * so another LE_ARP request can be made for this frame.
                 */
-               if (entry->status == ESI_ARP_PENDING) {
+               if (entry->status == ESI_ARP_PENDING)
                        entry->no_tries = 0;
-               }
                /*
                 * Data direct VC not yet set up, check to see if the unknown
                 * frame count is greater than the limit. If the limit has
@@ -1939,7 +1897,7 @@ static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
                    entry->packets_flooded <
                    priv->maximum_unknown_frame_count) {
                        entry->packets_flooded++;
-                       pr_debug("LEC_ARP: Flooding..\n");
+                       pr_debug("Flooding..\n");
                        found = priv->mcast_vcc;
                        goto out;
                }
@@ -1950,13 +1908,13 @@ static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv,
                 */
                lec_arp_hold(entry);
                *ret_entry = entry;
-               pr_debug("lec: entry->status %d entry->vcc %p\n", entry->status,
-                       entry->vcc);
+               pr_debug("entry->status %d entry->vcc %p\n", entry->status,
+                        entry->vcc);
                found = NULL;
        } else {
                /* No matching entry was found */
                entry = make_entry(priv, mac_to_find);
-               pr_debug("LEC_ARP: Making entry\n");
+               pr_debug("Making entry\n");
                if (!entry) {
                        found = priv->mcast_vcc;
                        goto out;
@@ -1993,13 +1951,14 @@ lec_addr_delete(struct lec_priv *priv, const unsigned char *atm_addr,
        struct lec_arp_table *entry;
        int i;
 
-       pr_debug("lec_addr_delete\n");
+       pr_debug("\n");
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
        for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
-               hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_tables[i], next) {
-                       if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN)
-                           && (permanent ||
-                               !(entry->flags & LEC_PERMANENT_FLAG))) {
+               hlist_for_each_entry_safe(entry, node, next,
+                                         &priv->lec_arp_tables[i], next) {
+                       if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN) &&
+                           (permanent ||
+                            !(entry->flags & LEC_PERMANENT_FLAG))) {
                                lec_arp_remove(priv, entry);
                                lec_arp_put(entry);
                        }
@@ -2024,10 +1983,8 @@ lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
        struct lec_arp_table *entry, *tmp;
        int i;
 
-       pr_debug("lec:%s", (targetless_le_arp) ? "targetless " : " ");
-       pr_debug("lec_arp_update mac:%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
-               mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3],
-               mac_addr[4], mac_addr[5]);
+       pr_debug("%smac:%pM\n",
+                (targetless_le_arp) ? "targetless " : "", mac_addr);
 
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
        entry = lec_arp_find(priv, mac_addr);
@@ -2037,7 +1994,8 @@ lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
                                 * we have no entry in the cache. 7.1.30
                                 */
        if (!hlist_empty(&priv->lec_arp_empty_ones)) {
-               hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_empty_ones, next) {
+               hlist_for_each_entry_safe(entry, node, next,
+                                         &priv->lec_arp_empty_ones, next) {
                        if (memcmp(entry->atm_addr, atm_addr, ATM_ESA_LEN) == 0) {
                                hlist_del(&entry->next);
                                del_timer(&entry->timer);
@@ -2081,7 +2039,8 @@ lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
        memcpy(entry->atm_addr, atm_addr, ATM_ESA_LEN);
        del_timer(&entry->timer);
        for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
-               hlist_for_each_entry(tmp, node, &priv->lec_arp_tables[i], next) {
+               hlist_for_each_entry(tmp, node,
+                                    &priv->lec_arp_tables[i], next) {
                        if (entry != tmp &&
                            !memcmp(tmp->atm_addr, atm_addr, ATM_ESA_LEN)) {
                                /* Vcc to this host exists */
@@ -2126,14 +2085,13 @@ lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data,
        int i, found_entry = 0;
 
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
+       /* Vcc for Multicast Forward. No timer, LANEv2 7.1.20 and 2.3.5.3 */
        if (ioc_data->receive == 2) {
-               /* Vcc for Multicast Forward. No timer, LANEv2 7.1.20 and 2.3.5.3 */
-
                pr_debug("LEC_ARP: Attaching mcast forward\n");
 #if 0
                entry = lec_arp_find(priv, bus_mac);
                if (!entry) {
-                       printk("LEC_ARP: Multicast entry not found!\n");
+                       pr_info("LEC_ARP: Multicast entry not found!\n");
                        goto out;
                }
                memcpy(entry->atm_addr, ioc_data->atm_addr, ATM_ESA_LEN);
@@ -2154,19 +2112,17 @@ lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data,
                 * Vcc which we don't want to make default vcc,
                 * attach it anyway.
                 */
-               pr_debug
-                   ("LEC_ARP:Attaching data direct, not default: "
-                    "%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
-                    ioc_data->atm_addr[0], ioc_data->atm_addr[1],
-                    ioc_data->atm_addr[2], ioc_data->atm_addr[3],
-                    ioc_data->atm_addr[4], ioc_data->atm_addr[5],
-                    ioc_data->atm_addr[6], ioc_data->atm_addr[7],
-                    ioc_data->atm_addr[8], ioc_data->atm_addr[9],
-                    ioc_data->atm_addr[10], ioc_data->atm_addr[11],
-                    ioc_data->atm_addr[12], ioc_data->atm_addr[13],
-                    ioc_data->atm_addr[14], ioc_data->atm_addr[15],
-                    ioc_data->atm_addr[16], ioc_data->atm_addr[17],
-                    ioc_data->atm_addr[18], ioc_data->atm_addr[19]);
+               pr_debug("LEC_ARP:Attaching data direct, not default: %2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
+                        ioc_data->atm_addr[0], ioc_data->atm_addr[1],
+                        ioc_data->atm_addr[2], ioc_data->atm_addr[3],
+                        ioc_data->atm_addr[4], ioc_data->atm_addr[5],
+                        ioc_data->atm_addr[6], ioc_data->atm_addr[7],
+                        ioc_data->atm_addr[8], ioc_data->atm_addr[9],
+                        ioc_data->atm_addr[10], ioc_data->atm_addr[11],
+                        ioc_data->atm_addr[12], ioc_data->atm_addr[13],
+                        ioc_data->atm_addr[14], ioc_data->atm_addr[15],
+                        ioc_data->atm_addr[16], ioc_data->atm_addr[17],
+                        ioc_data->atm_addr[18], ioc_data->atm_addr[19]);
                entry = make_entry(priv, bus_mac);
                if (entry == NULL)
                        goto out;
@@ -2182,29 +2138,28 @@ lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data,
                dump_arp_table(priv);
                goto out;
        }
-       pr_debug
-           ("LEC_ARP:Attaching data direct, default: "
-            "%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
-            ioc_data->atm_addr[0], ioc_data->atm_addr[1],
-            ioc_data->atm_addr[2], ioc_data->atm_addr[3],
-            ioc_data->atm_addr[4], ioc_data->atm_addr[5],
-            ioc_data->atm_addr[6], ioc_data->atm_addr[7],
-            ioc_data->atm_addr[8], ioc_data->atm_addr[9],
-            ioc_data->atm_addr[10], ioc_data->atm_addr[11],
-            ioc_data->atm_addr[12], ioc_data->atm_addr[13],
-            ioc_data->atm_addr[14], ioc_data->atm_addr[15],
-            ioc_data->atm_addr[16], ioc_data->atm_addr[17],
-            ioc_data->atm_addr[18], ioc_data->atm_addr[19]);
+       pr_debug("LEC_ARP:Attaching data direct, default: %2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
+                ioc_data->atm_addr[0], ioc_data->atm_addr[1],
+                ioc_data->atm_addr[2], ioc_data->atm_addr[3],
+                ioc_data->atm_addr[4], ioc_data->atm_addr[5],
+                ioc_data->atm_addr[6], ioc_data->atm_addr[7],
+                ioc_data->atm_addr[8], ioc_data->atm_addr[9],
+                ioc_data->atm_addr[10], ioc_data->atm_addr[11],
+                ioc_data->atm_addr[12], ioc_data->atm_addr[13],
+                ioc_data->atm_addr[14], ioc_data->atm_addr[15],
+                ioc_data->atm_addr[16], ioc_data->atm_addr[17],
+                ioc_data->atm_addr[18], ioc_data->atm_addr[19]);
        for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
-               hlist_for_each_entry(entry, node, &priv->lec_arp_tables[i], next) {
+               hlist_for_each_entry(entry, node,
+                                    &priv->lec_arp_tables[i], next) {
                        if (memcmp
                            (ioc_data->atm_addr, entry->atm_addr,
                             ATM_ESA_LEN) == 0) {
                                pr_debug("LEC_ARP: Attaching data direct\n");
                                pr_debug("Currently -> Vcc: %d, Rvcc:%d\n",
-                                       entry->vcc ? entry->vcc->vci : 0,
-                                       entry->recv_vcc ? entry->recv_vcc->
-                                       vci : 0);
+                                        entry->vcc ? entry->vcc->vci : 0,
+                                        entry->recv_vcc ? entry->recv_vcc->
+                                        vci : 0);
                                found_entry = 1;
                                del_timer(&entry->timer);
                                entry->vcc = vcc;
@@ -2276,19 +2231,21 @@ static void lec_flush_complete(struct lec_priv *priv, unsigned long tran_id)
        struct lec_arp_table *entry;
        int i;
 
-       pr_debug("LEC:lec_flush_complete %lx\n", tran_id);
+       pr_debug("%lx\n", tran_id);
 restart:
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
        for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
-               hlist_for_each_entry(entry, node, &priv->lec_arp_tables[i], next) {
-                       if (entry->flush_tran_id == tran_id
-                           && entry->status == ESI_FLUSH_PENDING) {
+               hlist_for_each_entry(entry, node,
+                                    &priv->lec_arp_tables[i], next) {
+                       if (entry->flush_tran_id == tran_id &&
+                           entry->status == ESI_FLUSH_PENDING) {
                                struct sk_buff *skb;
                                struct atm_vcc *vcc = entry->vcc;
 
                                lec_arp_hold(entry);
-                               spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
-                               while ((skb = skb_dequeue(&entry->tx_wait)) != NULL)
+                               spin_unlock_irqrestore(&priv->lec_arp_lock,
+                                                      flags);
+                               while ((skb = skb_dequeue(&entry->tx_wait)))
                                        lec_send(vcc, skb);
                                entry->last_used = jiffies;
                                entry->status = ESI_FORWARD_DIRECT;
@@ -2313,11 +2270,12 @@ lec_set_flush_tran_id(struct lec_priv *priv,
 
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
        for (i = 0; i < LEC_ARP_TABLE_SIZE; i++)
-               hlist_for_each_entry(entry, node, &priv->lec_arp_tables[i], next) {
+               hlist_for_each_entry(entry, node,
+                                    &priv->lec_arp_tables[i], next) {
                        if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN)) {
                                entry->flush_tran_id = tran_id;
                                pr_debug("Set flush transaction id to %lx for %p\n",
-                                       tran_id, entry);
+                                        tran_id, entry);
                        }
                }
        spin_unlock_irqrestore(&priv->lec_arp_lock, flags);
@@ -2333,7 +2291,8 @@ static int lec_mcast_make(struct lec_priv *priv, struct atm_vcc *vcc)
        struct lec_vcc_priv *vpriv;
        int err = 0;
 
-       if (!(vpriv = kmalloc(sizeof(struct lec_vcc_priv), GFP_KERNEL)))
+       vpriv = kmalloc(sizeof(struct lec_vcc_priv), GFP_KERNEL);
+       if (!vpriv)
                return -ENOMEM;
        vpriv->xoff = 0;
        vpriv->old_pop = vcc->pop;
@@ -2373,18 +2332,19 @@ static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc)
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
 
        for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) {
-               hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_tables[i], next) {
+               hlist_for_each_entry_safe(entry, node, next,
+                                         &priv->lec_arp_tables[i], next) {
                        if (vcc == entry->vcc) {
                                lec_arp_remove(priv, entry);
                                lec_arp_put(entry);
-                               if (priv->mcast_vcc == vcc) {
+                               if (priv->mcast_vcc == vcc)
                                        priv->mcast_vcc = NULL;
-                               }
                        }
                }
        }
 
-       hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_empty_ones, next) {
+       hlist_for_each_entry_safe(entry, node, next,
+                                 &priv->lec_arp_empty_ones, next) {
                if (entry->vcc == vcc) {
                        lec_arp_clear_vccs(entry);
                        del_timer(&entry->timer);
@@ -2393,7 +2353,8 @@ static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc)
                }
        }
 
-       hlist_for_each_entry_safe(entry, node, next, &priv->lec_no_forward, next) {
+       hlist_for_each_entry_safe(entry, node, next,
+                                 &priv->lec_no_forward, next) {
                if (entry->recv_vcc == vcc) {
                        lec_arp_clear_vccs(entry);
                        del_timer(&entry->timer);
@@ -2434,14 +2395,16 @@ lec_arp_check_empties(struct lec_priv *priv,
                src = hdr->h_source;
 
        spin_lock_irqsave(&priv->lec_arp_lock, flags);
-       hlist_for_each_entry_safe(entry, node, next, &priv->lec_arp_empty_ones, next) {
+       hlist_for_each_entry_safe(entry, node, next,
+                                 &priv->lec_arp_empty_ones, next) {
                if (vcc == entry->vcc) {
                        del_timer(&entry->timer);
                        memcpy(entry->mac_addr, src, ETH_ALEN);
                        entry->status = ESI_FORWARD_DIRECT;
                        entry->last_used = jiffies;
                        /* We might have got an entry */
-                       if ((tmp = lec_arp_find(priv, src))) {
+                       tmp = lec_arp_find(priv, src);
+                       if (tmp) {
                                lec_arp_remove(priv, tmp);
                                lec_arp_put(tmp);
                        }