#include <linux/socket.h>
#include <linux/in.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/sockios.h>
#include <linux/net.h>
+#include <linux/slab.h>
#include <net/ax25.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
{
struct net_device *dev;
- if ((dev = dev_get_by_name(devname)) == NULL)
+ if ((dev = dev_get_by_name(&init_net, devname)) == NULL)
return NULL;
if ((dev->flags & IFF_UP) && dev->type == ARPHRD_AX25)
{
struct net_device *dev, *first = NULL;
- read_lock(&dev_base_lock);
- for (dev = dev_base; dev != NULL; dev = dev->next) {
+ rcu_read_lock();
+ for_each_netdev_rcu(&init_net, dev) {
if ((dev->flags & IFF_UP) && dev->type == ARPHRD_NETROM)
if (first == NULL || strncmp(dev->name, first->name, 3) < 0)
first = dev;
}
if (first)
dev_hold(first);
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
return first;
}
{
struct net_device *dev;
- read_lock(&dev_base_lock);
- for (dev = dev_base; dev != NULL; dev = dev->next) {
- if ((dev->flags & IFF_UP) && dev->type == ARPHRD_NETROM && ax25cmp(addr, (ax25_address *)dev->dev_addr) == 0) {
+ rcu_read_lock();
+ for_each_netdev_rcu(&init_net, dev) {
+ if ((dev->flags & IFF_UP) && dev->type == ARPHRD_NETROM &&
+ ax25cmp(addr, (ax25_address *)dev->dev_addr) == 0) {
dev_hold(dev);
goto out;
}
}
+ dev = NULL;
out:
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
return dev;
}
-static ax25_digi *nr_call_to_digi(int ndigis, ax25_address *digipeaters)
+static ax25_digi *nr_call_to_digi(ax25_digi *digi, int ndigis,
+ ax25_address *digipeaters)
{
- static ax25_digi ax25_digi;
int i;
if (ndigis == 0)
return NULL;
for (i = 0; i < ndigis; i++) {
- ax25_digi.calls[i] = digipeaters[i];
- ax25_digi.repeated[i] = 0;
+ digi->calls[i] = digipeaters[i];
+ digi->repeated[i] = 0;
}
- ax25_digi.ndigi = ndigis;
- ax25_digi.lastrepeat = -1;
+ digi->ndigi = ndigis;
+ digi->lastrepeat = -1;
- return &ax25_digi;
+ return digi;
}
/*
{
struct nr_route_struct nr_route;
struct net_device *dev;
+ ax25_digi digi;
int ret;
switch (cmd) {
ret = nr_add_node(&nr_route.callsign,
nr_route.mnemonic,
&nr_route.neighbour,
- nr_call_to_digi(nr_route.ndigis, nr_route.digipeaters),
+ nr_call_to_digi(&digi, nr_route.ndigis,
+ nr_route.digipeaters),
dev, nr_route.quality,
nr_route.obs_count);
break;
case NETROM_NEIGH:
ret = nr_add_neigh(&nr_route.callsign,
- nr_call_to_digi(nr_route.ndigis, nr_route.digipeaters),
+ nr_call_to_digi(&digi, nr_route.ndigis,
+ nr_route.digipeaters),
dev, nr_route.quality);
break;
default:
if (ax25 != NULL) {
ret = nr_add_node(nr_src, "", &ax25->dest_addr, ax25->digipeat,
- ax25->ax25_dev->dev, 0,
- sysctl_netrom_obsolescence_count_initialiser);
+ ax25->ax25_dev->dev, 0,
+ sysctl_netrom_obsolescence_count_initialiser);
if (ret)
return ret;
}
dptr = skb_push(skb, 1);
*dptr = AX25_P_NETROM;
- ax25s = ax25_send_frame(skb, 256, (ax25_address *)dev->dev_addr, &nr_neigh->callsign, nr_neigh->digipeat, nr_neigh->dev);
- if (nr_neigh->ax25 && ax25s) {
- /* We were already holding this ax25_cb */
+ ax25s = nr_neigh->ax25;
+ nr_neigh->ax25 = ax25_send_frame(skb, 256,
+ (ax25_address *)dev->dev_addr,
+ &nr_neigh->callsign,
+ nr_neigh->digipeat, nr_neigh->dev);
+ if (ax25s)
ax25_cb_put(ax25s);
- }
- nr_neigh->ax25 = ax25s;
dev_put(dev);
ret = (nr_neigh->ax25 != NULL);
static void *nr_node_start(struct seq_file *seq, loff_t *pos)
{
- struct nr_node *nr_node;
- struct hlist_node *node;
- int i = 1;
-
- spin_lock_bh(&nr_node_list_lock);
- if (*pos == 0)
- return SEQ_START_TOKEN;
-
- nr_node_for_each(nr_node, node, &nr_node_list) {
- if (i == *pos)
- return nr_node;
- ++i;
- }
-
- return NULL;
+ spin_lock_bh(&nr_node_list_lock);
+ return seq_hlist_start_head(&nr_node_list, *pos);
}
static void *nr_node_next(struct seq_file *seq, void *v, loff_t *pos)
{
- struct hlist_node *node;
- ++*pos;
-
- node = (v == SEQ_START_TOKEN)
- ? nr_node_list.first
- : ((struct nr_node *)v)->node_node.next;
-
- return hlist_entry(node, struct nr_node, node_node);
+ return seq_hlist_next(v, &nr_node_list, pos);
}
static void nr_node_stop(struct seq_file *seq, void *v)
seq_puts(seq,
"callsign mnemonic w n qual obs neigh qual obs neigh qual obs neigh\n");
else {
- struct nr_node *nr_node = v;
+ struct nr_node *nr_node = hlist_entry(v, struct nr_node,
+ node_node);
+
nr_node_lock(nr_node);
seq_printf(seq, "%-9s %-7s %d %d",
ax2asc(buf, &nr_node->callsign),
return 0;
}
-static struct seq_operations nr_node_seqops = {
+static const struct seq_operations nr_node_seqops = {
.start = nr_node_start,
.next = nr_node_next,
.stop = nr_node_stop,
return seq_open(file, &nr_node_seqops);
}
-struct file_operations nr_nodes_fops = {
+const struct file_operations nr_nodes_fops = {
.owner = THIS_MODULE,
.open = nr_node_info_open,
.read = seq_read,
static void *nr_neigh_start(struct seq_file *seq, loff_t *pos)
{
- struct nr_neigh *nr_neigh;
- struct hlist_node *node;
- int i = 1;
-
spin_lock_bh(&nr_neigh_list_lock);
- if (*pos == 0)
- return SEQ_START_TOKEN;
-
- nr_neigh_for_each(nr_neigh, node, &nr_neigh_list) {
- if (i == *pos)
- return nr_neigh;
- }
- return NULL;
+ return seq_hlist_start_head(&nr_neigh_list, *pos);
}
static void *nr_neigh_next(struct seq_file *seq, void *v, loff_t *pos)
{
- struct hlist_node *node;
- ++*pos;
-
- node = (v == SEQ_START_TOKEN)
- ? nr_neigh_list.first
- : ((struct nr_neigh *)v)->neigh_node.next;
-
- return hlist_entry(node, struct nr_neigh, neigh_node);
+ return seq_hlist_next(v, &nr_neigh_list, pos);
}
static void nr_neigh_stop(struct seq_file *seq, void *v)
if (v == SEQ_START_TOKEN)
seq_puts(seq, "addr callsign dev qual lock count failed digipeaters\n");
else {
- struct nr_neigh *nr_neigh = v;
+ struct nr_neigh *nr_neigh;
+ nr_neigh = hlist_entry(v, struct nr_neigh, neigh_node);
seq_printf(seq, "%05d %-9s %-4s %3d %d %3d %3d",
nr_neigh->number,
ax2asc(buf, &nr_neigh->callsign),
if (nr_neigh->digipeat != NULL) {
for (i = 0; i < nr_neigh->digipeat->ndigi; i++)
- seq_printf(seq, " %s",
+ seq_printf(seq, " %s",
ax2asc(buf, &nr_neigh->digipeat->calls[i]));
}
return 0;
}
-static struct seq_operations nr_neigh_seqops = {
+static const struct seq_operations nr_neigh_seqops = {
.start = nr_neigh_start,
.next = nr_neigh_next,
.stop = nr_neigh_stop,
return seq_open(file, &nr_neigh_seqops);
}
-struct file_operations nr_neigh_fops = {
+const struct file_operations nr_neigh_fops = {
.owner = THIS_MODULE,
.open = nr_neigh_info_open,
.read = seq_read,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff