{
ax25_cb *ax25=(ax25_cb *)data;
struct sock *sk;
-
+
sk=ax25->sk;
-
+
bh_lock_sock(sk);
sock_hold(sk);
ax25_destroy_socket(ax25);
ax25_disconnect(ax25, ENETRESET);
break;
- case AX25_WINDOW:
- if (ax25->modulus == AX25_MODULUS) {
- if (ax25_ctl.arg < 1 || ax25_ctl.arg > 7)
- return -EINVAL;
- } else {
- if (ax25_ctl.arg < 1 || ax25_ctl.arg > 63)
- return -EINVAL;
- }
- ax25->window = ax25_ctl.arg;
- break;
-
- case AX25_T1:
+ case AX25_WINDOW:
+ if (ax25->modulus == AX25_MODULUS) {
+ if (ax25_ctl.arg < 1 || ax25_ctl.arg > 7)
+ return -EINVAL;
+ } else {
+ if (ax25_ctl.arg < 1 || ax25_ctl.arg > 63)
+ return -EINVAL;
+ }
+ ax25->window = ax25_ctl.arg;
+ break;
+
+ case AX25_T1:
+ if (ax25_ctl.arg < 1)
+ return -EINVAL;
+ ax25->rtt = (ax25_ctl.arg * HZ) / 2;
+ ax25->t1 = ax25_ctl.arg * HZ;
+ break;
+
+ case AX25_T2:
if (ax25_ctl.arg < 1)
- return -EINVAL;
- ax25->rtt = (ax25_ctl.arg * HZ) / 2;
- ax25->t1 = ax25_ctl.arg * HZ;
- break;
-
- case AX25_T2:
- if (ax25_ctl.arg < 1)
- return -EINVAL;
- ax25->t2 = ax25_ctl.arg * HZ;
- break;
-
- case AX25_N2:
- if (ax25_ctl.arg < 1 || ax25_ctl.arg > 31)
return -EINVAL;
- ax25->n2count = 0;
- ax25->n2 = ax25_ctl.arg;
- break;
-
- case AX25_T3:
- if (ax25_ctl.arg < 0)
- return -EINVAL;
- ax25->t3 = ax25_ctl.arg * HZ;
- break;
-
- case AX25_IDLE:
- if (ax25_ctl.arg < 0)
- return -EINVAL;
- ax25->idle = ax25_ctl.arg * 60 * HZ;
- break;
-
- case AX25_PACLEN:
- if (ax25_ctl.arg < 16 || ax25_ctl.arg > 65535)
- return -EINVAL;
- ax25->paclen = ax25_ctl.arg;
- break;
-
- default:
- return -EINVAL;
+ ax25->t2 = ax25_ctl.arg * HZ;
+ break;
+
+ case AX25_N2:
+ if (ax25_ctl.arg < 1 || ax25_ctl.arg > 31)
+ return -EINVAL;
+ ax25->n2count = 0;
+ ax25->n2 = ax25_ctl.arg;
+ break;
+
+ case AX25_T3:
+ if (ax25_ctl.arg < 0)
+ return -EINVAL;
+ ax25->t3 = ax25_ctl.arg * HZ;
+ break;
+
+ case AX25_IDLE:
+ if (ax25_ctl.arg < 0)
+ return -EINVAL;
+ ax25->idle = ax25_ctl.arg * 60 * HZ;
+ break;
+
+ case AX25_PACLEN:
+ if (ax25_ctl.arg < 16 || ax25_ctl.arg > 65535)
+ return -EINVAL;
+ ax25->paclen = ax25_ctl.arg;
+ break;
+
+ default:
+ return -EINVAL;
}
return 0;
switch (sk->sk_state) {
case TCP_SYN_SENT: /* still trying */
err = -EINPROGRESS;
- goto out;
+ goto out_release;
case TCP_ESTABLISHED: /* connection established */
sock->state = SS_CONNECTED;
- goto out;
+ goto out_release;
case TCP_CLOSE: /* connection refused */
sock->state = SS_UNCONNECTED;
err = -ECONNREFUSED;
- goto out;
+ goto out_release;
}
}
if (sk->sk_state == TCP_ESTABLISHED && sk->sk_type == SOCK_SEQPACKET) {
err = -EISCONN; /* No reconnect on a seqpacket socket */
- goto out;
+ goto out_release;
}
sk->sk_state = TCP_CLOSE;
/* Valid number of digipeaters ? */
if (fsa->fsa_ax25.sax25_ndigis < 1 || fsa->fsa_ax25.sax25_ndigis > AX25_MAX_DIGIS) {
err = -EINVAL;
- goto out;
+ goto out_release;
}
if ((digi = kmalloc(sizeof(ax25_digi), GFP_KERNEL)) == NULL) {
err = -ENOBUFS;
- goto out;
+ goto out_release;
}
digi->ndigi = fsa->fsa_ax25.sax25_ndigis;
current->comm);
if ((err = ax25_rt_autobind(ax25, &fsa->fsa_ax25.sax25_call)) < 0) {
kfree(digi);
- goto out;
+ goto out_release;
}
ax25_fillin_cb(ax25, ax25->ax25_dev);
if (ax25->ax25_dev == NULL) {
kfree(digi);
err = -EHOSTUNREACH;
- goto out;
+ goto out_release;
}
}
if (sk->sk_type == SOCK_SEQPACKET &&
(ax25t=ax25_find_cb(&ax25->source_addr, &fsa->fsa_ax25.sax25_call, digi,
- ax25->ax25_dev->dev))) {
+ ax25->ax25_dev->dev))) {
kfree(digi);
err = -EADDRINUSE; /* Already such a connection */
ax25_cb_put(ax25t);
- goto out;
+ goto out_release;
}
ax25->dest_addr = fsa->fsa_ax25.sax25_call;
if (sk->sk_type != SOCK_SEQPACKET) {
sock->state = SS_CONNECTED;
sk->sk_state = TCP_ESTABLISHED;
- goto out;
+ goto out_release;
}
/* Move to connecting socket, ax.25 lapb WAIT_UA.. */
/* Now the loop */
if (sk->sk_state != TCP_ESTABLISHED && (flags & O_NONBLOCK)) {
err = -EINPROGRESS;
- goto out;
+ goto out_release;
}
if (sk->sk_state == TCP_SYN_SENT) {
- struct task_struct *tsk = current;
- DECLARE_WAITQUEUE(wait, tsk);
+ DEFINE_WAIT(wait);
- add_wait_queue(sk->sk_sleep, &wait);
for (;;) {
+ prepare_to_wait(sk->sk_sleep, &wait,
+ TASK_INTERRUPTIBLE);
if (sk->sk_state != TCP_SYN_SENT)
break;
- set_current_state(TASK_INTERRUPTIBLE);
- release_sock(sk);
- if (!signal_pending(tsk)) {
+ if (!signal_pending(current)) {
+ release_sock(sk);
schedule();
lock_sock(sk);
continue;
}
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
- return -ERESTARTSYS;
+ err = -ERESTARTSYS;
+ break;
}
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
+ finish_wait(sk->sk_sleep, &wait);
+
+ if (err)
+ goto out_release;
}
if (sk->sk_state != TCP_ESTABLISHED) {
/* Not in ABM, not in WAIT_UA -> failed */
sock->state = SS_UNCONNECTED;
err = sock_error(sk); /* Always set at this point */
- goto out;
+ goto out_release;
}
sock->state = SS_CONNECTED;
- err=0;
-out:
+ err = 0;
+out_release:
release_sock(sk);
return err;
}
-
static int ax25_accept(struct socket *sock, struct socket *newsock, int flags)
{
- struct task_struct *tsk = current;
- DECLARE_WAITQUEUE(wait, tsk);
struct sk_buff *skb;
struct sock *newsk;
+ DEFINE_WAIT(wait);
struct sock *sk;
int err = 0;
* The read queue this time is holding sockets ready to use
* hooked into the SABM we saved
*/
- add_wait_queue(sk->sk_sleep, &wait);
for (;;) {
+ prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb)
break;
- release_sock(sk);
- current->state = TASK_INTERRUPTIBLE;
if (flags & O_NONBLOCK) {
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
- return -EWOULDBLOCK;
+ err = -EWOULDBLOCK;
+ break;
}
- if (!signal_pending(tsk)) {
+ if (!signal_pending(current)) {
+ release_sock(sk);
schedule();
lock_sock(sk);
continue;
}
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
- return -ERESTARTSYS;
+ err = -ERESTARTSYS;
+ break;
}
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
+ finish_wait(sk->sk_sleep, &wait);
+
+ if (err)
+ goto out;
newsk = skb->sk;
newsk->sk_socket = newsock;
struct sockaddr_ax25 sax;
struct sk_buff *skb;
ax25_digi dtmp, *dp;
- unsigned char *asmptr;
ax25_cb *ax25;
size_t size;
int lv, err, addr_len = msg->msg_namelen;
err = -EMSGSIZE;
goto out;
}
-
+
if (usax != NULL) {
if (usax->sax25_family != AF_AX25) {
err = -EINVAL;
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) + sizeof(ax25_address) * 6) ||
- (addr_len > sizeof(struct full_sockaddr_ax25))) {
- err = -EINVAL;
+ (addr_len > sizeof(struct full_sockaddr_ax25))) {
+ err = -EINVAL;
goto out;
}
goto out;
}
- skb->nh.raw = skb->data;
+ skb_reset_network_header(skb);
/* Add the PID if one is not supplied by the user in the skb */
- if (!ax25->pidincl) {
- asmptr = skb_push(skb, 1);
- *asmptr = sk->sk_protocol;
- }
+ if (!ax25->pidincl)
+ *skb_push(skb, 1) = sk->sk_protocol;
SOCK_DEBUG(sk, "AX.25: Transmitting buffer\n");
goto out;
}
- asmptr = skb_push(skb, 1 + ax25_addr_size(dp));
+ skb_push(skb, 1 + ax25_addr_size(dp));
SOCK_DEBUG(sk, "Building AX.25 Header (dp=%p).\n", dp);
SOCK_DEBUG(sk, "Num digipeaters=%d\n", dp->ndigi);
/* Build an AX.25 header */
- asmptr += (lv = ax25_addr_build(asmptr, &ax25->source_addr,
- &sax.sax25_call, dp,
- AX25_COMMAND, AX25_MODULUS));
+ lv = ax25_addr_build(skb->data, &ax25->source_addr, &sax.sax25_call,
+ dp, AX25_COMMAND, AX25_MODULUS);
SOCK_DEBUG(sk, "Built header (%d bytes)\n",lv);
- skb->h.raw = asmptr;
+ skb_set_transport_header(skb, lv);
- SOCK_DEBUG(sk, "base=%p pos=%p\n", skb->data, asmptr);
+ SOCK_DEBUG(sk, "base=%p pos=%p\n",
+ skb->data, skb_transport_header(skb));
- *asmptr = AX25_UI;
+ *skb_transport_header(skb) = AX25_UI;
/* Datagram frames go straight out of the door as UI */
ax25_queue_xmit(skb, ax25->ax25_dev->dev);
/* Now we can treat all alike */
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
- flags & MSG_DONTWAIT, &err);
+ flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto out;
if (!ax25_sk(sk)->pidincl)
skb_pull(skb, 1); /* Remove PID */
- skb->h.raw = skb->data;
- copied = skb->len;
+ skb_reset_transport_header(skb);
+ copied = skb->len;
if (copied > size) {
copied = size;
struct sockaddr_ax25 *sax = (struct sockaddr_ax25 *)msg->msg_name;
ax25_digi digi;
ax25_address src;
+ const unsigned char *mac = skb_mac_header(skb);
- ax25_addr_parse(skb->mac.raw+1, skb->data-skb->mac.raw-1, &src, NULL, &digi, NULL, NULL);
-
+ ax25_addr_parse(mac + 1, skb->data - mac - 1, &src, NULL,
+ &digi, NULL, NULL);
sax->sax25_family = AF_AX25;
/* We set this correctly, even though we may not let the
application know the digi calls further down (because it
res = sock_get_timestamp(sk, argp);
break;
+ case SIOCGSTAMPNS:
+ res = sock_get_timestampns(sk, argp);
+ break;
+
case SIOCAX25ADDUID: /* Add a uid to the uid/call map table */
case SIOCAX25DELUID: /* Delete a uid from the uid/call map table */
case SIOCAX25GETUID: {
return hlist_entry( ((struct ax25_cb *)v)->ax25_node.next,
struct ax25_cb, ax25_node);
}
-
+
static void ax25_info_stop(struct seq_file *seq, void *v)
{
spin_unlock_bh(&ax25_list_lock);
return seq_open(file, &ax25_info_seqops);
}
-static struct file_operations ax25_info_fops = {
+static const struct file_operations ax25_info_fops = {
.owner = THIS_MODULE,
.open = ax25_info_open,
.read = seq_read,
git.samba.org / sfrench / cifs-2.6.git / blobdiff