#include <linux/sysctl.h>
#include <linux/init.h>
#include <linux/spinlock.h>
+#include <net/net_namespace.h>
#include <net/tcp_states.h>
#include <net/ip.h>
#include <net/arp.h>
return;
spin_lock_bh(&ax25_list_lock);
+again:
ax25_for_each(s, node, &ax25_list) {
if (s->ax25_dev == ax25_dev) {
s->ax25_dev = NULL;
+ spin_unlock_bh(&ax25_list_lock);
ax25_disconnect(s, ENETUNREACH);
+ spin_lock_bh(&ax25_list_lock);
+
+ /* The entry could have been deleted from the
+ * list meanwhile and thus the next pointer is
+ * no longer valid. Play it safe and restart
+ * the scan. Forward progress is ensured
+ * because we set s->ax25_dev to NULL and we
+ * are never passed a NULL 'dev' argument.
+ */
+ goto again;
}
}
spin_unlock_bh(&ax25_list_lock);
{
struct net_device *dev = (struct net_device *)ptr;
+ if (dev_net(dev) != &init_net)
+ return NOTIFY_DONE;
+
/* Reject non AX.25 devices */
if (dev->type != ARPHRD_AX25)
return NOTIFY_DONE;
if (atomic_read(&ax25->sk->sk_wmem_alloc) ||
atomic_read(&ax25->sk->sk_rmem_alloc)) {
/* Defer: outstanding buffers */
- init_timer(&ax25->dtimer);
+ setup_timer(&ax25->dtimer, ax25_destroy_timer,
+ (unsigned long)ax25);
ax25->dtimer.expires = jiffies + 2 * HZ;
- ax25->dtimer.function = ax25_destroy_timer;
- ax25->dtimer.data = (unsigned long)ax25;
add_timer(&ax25->dtimer);
} else {
struct sock *sk=ax25->sk;
skb_queue_head_init(&ax25->ack_queue);
skb_queue_head_init(&ax25->reseq_queue);
- init_timer(&ax25->timer);
- init_timer(&ax25->t1timer);
- init_timer(&ax25->t2timer);
- init_timer(&ax25->t3timer);
- init_timer(&ax25->idletimer);
+ ax25_setup_timers(ax25);
ax25_fillin_cb(ax25, NULL);
res = -EINVAL;
break;
}
- ax25->rtt = (opt * HZ) / 2;
+ ax25->rtt = (opt * HZ) >> 1;
ax25->t1 = opt * HZ;
break;
break;
}
- dev = dev_get_by_name(devname);
+ dev = dev_get_by_name(&init_net, devname);
if (dev == NULL) {
res = -ENODEV;
break;
.obj_size = sizeof(struct sock),
};
-static int ax25_create(struct socket *sock, int protocol)
+static int ax25_create(struct net *net, struct socket *sock, int protocol)
{
struct sock *sk;
ax25_cb *ax25;
+ if (net != &init_net)
+ return -EAFNOSUPPORT;
+
switch (sock->type) {
case SOCK_DGRAM:
if (protocol == 0 || protocol == PF_AX25)
return -ESOCKTNOSUPPORT;
}
- if ((sk = sk_alloc(PF_AX25, GFP_ATOMIC, &ax25_proto, 1)) == NULL)
+ sk = sk_alloc(net, PF_AX25, GFP_ATOMIC, &ax25_proto);
+ if (sk == NULL)
return -ENOMEM;
ax25 = sk->sk_protinfo = ax25_create_cb();
struct sock *sk;
ax25_cb *ax25, *oax25;
- if ((sk = sk_alloc(PF_AX25, GFP_ATOMIC, osk->sk_prot, 1)) == NULL)
+ sk = sk_alloc(sock_net(osk), PF_AX25, GFP_ATOMIC, osk->sk_prot);
+ if (sk == NULL)
return NULL;
if ((ax25 = ax25_create_cb()) == NULL) {
sk->sk_destruct = ax25_free_sock;
sk->sk_type = osk->sk_type;
- sk->sk_socket = osk->sk_socket;
sk->sk_priority = osk->sk_priority;
sk->sk_protocol = osk->sk_protocol;
sk->sk_rcvbuf = osk->sk_rcvbuf;
sk->sk_sndbuf = osk->sk_sndbuf;
sk->sk_state = TCP_ESTABLISHED;
- sk->sk_sleep = osk->sk_sleep;
sock_copy_flags(sk, osk);
oax25 = ax25_sk(osk);
int err = 0;
if (addr_len != sizeof(struct sockaddr_ax25) &&
- addr_len != sizeof(struct full_sockaddr_ax25)) {
- /* support for old structure may go away some time */
+ addr_len != sizeof(struct full_sockaddr_ax25))
+ /* support for old structure may go away some time
+ * ax25_bind(): uses old (6 digipeater) socket structure.
+ */
if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) ||
- (addr_len > sizeof(struct full_sockaddr_ax25))) {
+ (addr_len > sizeof(struct full_sockaddr_ax25)))
return -EINVAL;
- }
-
- printk(KERN_WARNING "ax25_bind(): %s uses old (6 digipeater) socket structure.\n",
- current->comm);
- }
if (addr->fsa_ax25.sax25_family != AF_AX25)
return -EINVAL;
* some sanity checks. code further down depends on this
*/
- if (addr_len == sizeof(struct sockaddr_ax25)) {
- /* support for this will go away in early 2.5.x */
- printk(KERN_WARNING "ax25_connect(): %s uses obsolete socket structure\n",
- current->comm);
- }
- else if (addr_len != sizeof(struct full_sockaddr_ax25)) {
- /* support for old structure may go away some time */
+ if (addr_len == sizeof(struct sockaddr_ax25))
+ /* support for this will go away in early 2.5.x
+ * ax25_connect(): uses obsolete socket structure
+ */
+ ;
+ else if (addr_len != sizeof(struct full_sockaddr_ax25))
+ /* support for old structure may go away some time
+ * ax25_connect(): uses old (6 digipeater) socket structure.
+ */
if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) ||
- (addr_len > sizeof(struct full_sockaddr_ax25))) {
+ (addr_len > sizeof(struct full_sockaddr_ax25)))
return -EINVAL;
- }
- printk(KERN_WARNING "ax25_connect(): %s uses old (6 digipeater) socket structure.\n",
- current->comm);
- }
if (fsa->fsa_ax25.sax25_family != AF_AX25)
return -EINVAL;
goto out;
newsk = skb->sk;
- newsk->sk_socket = newsock;
- newsk->sk_sleep = &newsock->wait;
+ sock_graft(newsk, newsock);
/* Now attach up the new socket */
kfree_skb(skb);
sk->sk_ack_backlog--;
- newsock->sk = newsk;
newsock->state = SS_CONNECTED;
out:
goto out;
}
- if (addr_len == sizeof(struct sockaddr_ax25)) {
- printk(KERN_WARNING "ax25_sendmsg(): %s uses obsolete socket structure\n",
- current->comm);
- }
- else if (addr_len != sizeof(struct full_sockaddr_ax25)) {
- /* support for old structure may go away some time */
+ if (addr_len == sizeof(struct sockaddr_ax25))
+ /* ax25_sendmsg(): uses obsolete socket structure */
+ ;
+ else if (addr_len != sizeof(struct full_sockaddr_ax25))
+ /* support for old structure may go away some time
+ * ax25_sendmsg(): uses old (6 digipeater)
+ * socket structure.
+ */
if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) ||
(addr_len > sizeof(struct full_sockaddr_ax25))) {
err = -EINVAL;
goto out;
}
- printk(KERN_WARNING "ax25_sendmsg(): %s uses old (6 digipeater) socket structure.\n",
- current->comm);
- }
if (addr_len > sizeof(struct sockaddr_ax25) && usax->sax25_ndigis != 0) {
int ct = 0;
#ifdef CONFIG_PROC_FS
static void *ax25_info_start(struct seq_file *seq, loff_t *pos)
+ __acquires(ax25_list_lock)
{
struct ax25_cb *ax25;
struct hlist_node *node;
}
static void ax25_info_stop(struct seq_file *seq, void *v)
+ __releases(ax25_list_lock)
{
spin_unlock_bh(&ax25_list_lock);
}
ax25->paclen);
if (ax25->sk != NULL) {
- bh_lock_sock(ax25->sk);
- seq_printf(seq," %d %d %ld\n",
+ seq_printf(seq, " %d %d %lu\n",
atomic_read(&ax25->sk->sk_wmem_alloc),
atomic_read(&ax25->sk->sk_rmem_alloc),
- ax25->sk->sk_socket != NULL ? SOCK_INODE(ax25->sk->sk_socket)->i_ino : 0L);
- bh_unlock_sock(ax25->sk);
+ sock_i_ino(ax25->sk));
} else {
seq_puts(seq, " * * *\n");
}
register_netdevice_notifier(&ax25_dev_notifier);
ax25_register_sysctl();
- proc_net_fops_create("ax25_route", S_IRUGO, &ax25_route_fops);
- proc_net_fops_create("ax25", S_IRUGO, &ax25_info_fops);
- proc_net_fops_create("ax25_calls", S_IRUGO, &ax25_uid_fops);
+ proc_net_fops_create(&init_net, "ax25_route", S_IRUGO, &ax25_route_fops);
+ proc_net_fops_create(&init_net, "ax25", S_IRUGO, &ax25_info_fops);
+ proc_net_fops_create(&init_net, "ax25_calls", S_IRUGO, &ax25_uid_fops);
out:
return rc;
}
static void __exit ax25_exit(void)
{
- proc_net_remove("ax25_route");
- proc_net_remove("ax25");
- proc_net_remove("ax25_calls");
+ proc_net_remove(&init_net, "ax25_route");
+ proc_net_remove(&init_net, "ax25");
+ proc_net_remove(&init_net, "ax25_calls");
ax25_rt_free();
ax25_uid_free();
ax25_dev_free();
projects / mv-sheeva.git / blobdiff