*
********************************************************************/
-#include <linux/config.h>
+#include <linux/capability.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/socket.h>
#include <net/irda/af_irda.h>
-static int irda_create(struct socket *sock, int protocol);
+static int irda_create(struct net *net, struct socket *sock, int protocol);
static const struct proto_ops irda_stream_ops;
static const struct proto_ops irda_seqpacket_ops;
self = instance;
sk = instance;
- IRDA_ASSERT(sk != NULL, return -1;);
err = sock_queue_rcv_skb(sk, skb);
if (err) {
}
/* Prevent race conditions with irda_release() and irda_shutdown() */
+ bh_lock_sock(sk);
if (!sock_flag(sk, SOCK_DEAD) && sk->sk_state != TCP_CLOSE) {
sk->sk_state = TCP_CLOSE;
- sk->sk_err = ECONNRESET;
sk->sk_shutdown |= SEND_SHUTDOWN;
sk->sk_state_change(sk);
- /* Uh-oh... Should use sock_orphan ? */
- sock_set_flag(sk, SOCK_DEAD);
/* Close our TSAP.
* If we leave it open, IrLMP put it back into the list of
irttp_close_tsap(self->tsap);
self->tsap = NULL;
}
- }
+ }
+ bh_unlock_sock(sk);
/* Note : once we are there, there is not much you want to do
* with the socket anymore, apart from closing it.
break;
default:
self->max_data_size = irttp_get_max_seg_size(self->tsap);
- };
+ }
IRDA_DEBUG(2, "%s(), max_data_size=%d\n", __FUNCTION__,
self->max_data_size);
break;
default:
self->max_data_size = irttp_get_max_seg_size(self->tsap);
- };
+ }
IRDA_DEBUG(2, "%s(), max_data_size=%d\n", __FUNCTION__,
self->max_data_size);
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
- IRDA_ASSERT(self != NULL, return;);
-
- skb = dev_alloc_skb(64);
+ skb = alloc_skb(TTP_MAX_HEADER + TTP_SAR_HEADER,
+ GFP_ATOMIC);
if (skb == NULL) {
IRDA_DEBUG(0, "%s() Unable to allocate sk_buff!\n",
__FUNCTION__);
self = instance;
sk = instance;
- IRDA_ASSERT(sk != NULL, return;);
+ BUG_ON(sk == NULL);
switch (flow) {
case FLOW_STOP:
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
self = (struct irda_sock *) priv;
- IRDA_ASSERT(self != NULL, return;);
+ BUG_ON(self == NULL);
/* Nothing for the caller */
self->cachelog = NULL;
{
IRDA_DEBUG(2, "%s(%p, %s)\n", __FUNCTION__, self, name);
- IRDA_ASSERT(self != NULL, return -1;);
-
if (self->iriap) {
IRDA_WARNING("%s(): busy with a previous query\n",
__FUNCTION__);
IRDA_DEBUG(2, "%s(), name=%s\n", __FUNCTION__, name);
- IRDA_ASSERT(self != NULL, return -1;);
-
/* Ask lmp for the current discovery log
* Note : we have to use irlmp_get_discoveries(), as opposed
* to play with the cachelog directly, because while we are
struct irda_sock *self = irda_sk(sk);
int err;
- IRDA_ASSERT(self != NULL, return -1;);
-
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
if (addr_len != sizeof(struct sockaddr_irda))
}
#endif /* CONFIG_IRDA_ULTRA */
+ self->ias_obj = irias_new_object(addr->sir_name, jiffies);
+ if (self->ias_obj == NULL)
+ return -ENOMEM;
+
err = irda_open_tsap(self, addr->sir_lsap_sel, addr->sir_name);
- if (err < 0)
+ if (err < 0) {
+ kfree(self->ias_obj->name);
+ kfree(self->ias_obj);
return err;
+ }
/* Register with LM-IAS */
- self->ias_obj = irias_new_object(addr->sir_name, jiffies);
irias_add_integer_attrib(self->ias_obj, "IrDA:TinyTP:LsapSel",
self->stsap_sel, IAS_KERNEL_ATTR);
irias_insert_object(self->ias_obj);
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
- IRDA_ASSERT(self != NULL, return -1;);
-
- err = irda_create(newsock, sk->sk_protocol);
+ err = irda_create(sk->sk_net, newsock, sk->sk_protocol);
if (err)
return err;
* calling us, the data is waiting for us ;-)
* Jean II
*/
- skb = skb_dequeue(&sk->sk_receive_queue);
- if (skb == NULL) {
- int ret = 0;
- DECLARE_WAITQUEUE(waitq, current);
+ while (1) {
+ skb = skb_dequeue(&sk->sk_receive_queue);
+ if (skb)
+ break;
/* Non blocking operation */
if (flags & O_NONBLOCK)
return -EWOULDBLOCK;
- /* The following code is a cut'n'paste of the
- * wait_event_interruptible() macro.
- * We don't us the macro because the condition has
- * side effects : we want to make sure that only one
- * skb get dequeued - Jean II */
- add_wait_queue(sk->sk_sleep, &waitq);
- for (;;) {
- set_current_state(TASK_INTERRUPTIBLE);
- skb = skb_dequeue(&sk->sk_receive_queue);
- if (skb != NULL)
- break;
- if (!signal_pending(current)) {
- schedule();
- continue;
- }
- ret = -ERESTARTSYS;
- break;
- }
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &waitq);
- if(ret)
- return -ERESTARTSYS;
+ err = wait_event_interruptible(*(sk->sk_sleep),
+ skb_peek(&sk->sk_receive_queue));
+ if (err)
+ return err;
}
newsk = newsock->sk;
+ if (newsk == NULL)
+ return -EIO;
+
newsk->sk_state = TCP_ESTABLISHED;
new = irda_sk(newsk);
- IRDA_ASSERT(new != NULL, return -1;);
/* Now attach up the new socket */
new->tsap = irttp_dup(self->tsap, new);
if (sk->sk_state != TCP_ESTABLISHED) {
sock->state = SS_UNCONNECTED;
- return sock_error(sk); /* Always set at this point */
+ err = sock_error(sk);
+ return err? err : -ECONNRESET;
}
sock->state = SS_CONNECTED;
* Create IrDA socket
*
*/
-static int irda_create(struct socket *sock, int protocol)
+static int irda_create(struct net *net, struct socket *sock, int protocol)
{
struct sock *sk;
struct irda_sock *self;
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
+ if (net != &init_net)
+ return -EAFNOSUPPORT;
+
/* Check for valid socket type */
switch (sock->type) {
case SOCK_STREAM: /* For TTP connections with SAR disabled */
}
/* Allocate networking socket */
- sk = sk_alloc(PF_IRDA, GFP_ATOMIC, &irda_proto, 1);
+ sk = sk_alloc(net, PF_IRDA, GFP_ATOMIC, &irda_proto);
if (sk == NULL)
return -ENOMEM;
self->max_sdu_size_rx = TTP_SAR_UNBOUND;
break;
default:
- IRDA_ERROR("%s: protocol not supported!\n",
- __FUNCTION__);
return -ESOCKTNOSUPPORT;
}
break;
{
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
- IRDA_ASSERT(self != NULL, return;);
-
/* Unregister with IrLMP */
irlmp_unregister_client(self->ckey);
irlmp_unregister_service(self->skey);
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
- if (sk == NULL)
+ if (sk == NULL)
return 0;
+ lock_sock(sk);
sk->sk_state = TCP_CLOSE;
sk->sk_shutdown |= SEND_SHUTDOWN;
sk->sk_state_change(sk);
sock_orphan(sk);
sock->sk = NULL;
+ release_sock(sk);
/* Purge queues (see sock_init_data()) */
skb_queue_purge(&sk->sk_receive_queue);
* memory leak is now gone... - Jean II
*/
- return 0;
+ return 0;
}
/*
struct sock *sk = sock->sk;
struct irda_sock *self;
struct sk_buff *skb;
- unsigned char *asmptr;
- int err;
+ int err = -EPIPE;
IRDA_DEBUG(4, "%s(), len=%zd\n", __FUNCTION__, len);
/* Note : socket.c set MSG_EOR on SEQPACKET sockets */
- if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT))
+ if (msg->msg_flags & ~(MSG_DONTWAIT | MSG_EOR | MSG_CMSG_COMPAT |
+ MSG_NOSIGNAL))
return -EINVAL;
- if (sk->sk_shutdown & SEND_SHUTDOWN) {
- send_sig(SIGPIPE, current, 0);
- return -EPIPE;
- }
+ if (sk->sk_shutdown & SEND_SHUTDOWN)
+ goto out_err;
if (sk->sk_state != TCP_ESTABLISHED)
return -ENOTCONN;
self = irda_sk(sk);
- IRDA_ASSERT(self != NULL, return -1;);
/* Check if IrTTP is wants us to slow down */
if (sk->sk_state != TCP_ESTABLISHED)
return -ENOTCONN;
- /* Check that we don't send out to big frames */
+ /* Check that we don't send out too big frames */
if (len > self->max_data_size) {
IRDA_DEBUG(2, "%s(), Chopping frame from %zd to %d bytes!\n",
__FUNCTION__, len, self->max_data_size);
len = self->max_data_size;
}
- skb = sock_alloc_send_skb(sk, len + self->max_header_size + 16,
+ skb = sock_alloc_send_skb(sk, len + self->max_header_size + 16,
msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb)
- return -ENOBUFS;
+ goto out_err;
skb_reserve(skb, self->max_header_size + 16);
-
- asmptr = skb->h.raw = skb_put(skb, len);
- err = memcpy_fromiovec(asmptr, msg->msg_iov, len);
+ skb_reset_transport_header(skb);
+ skb_put(skb, len);
+ err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
if (err) {
kfree_skb(skb);
- return err;
+ goto out_err;
}
/*
err = irttp_data_request(self->tsap, skb);
if (err) {
IRDA_DEBUG(0, "%s(), err=%d\n", __FUNCTION__, err);
- return err;
+ goto out_err;
}
/* Tell client how much data we actually sent */
return len;
+
+ out_err:
+ return sk_stream_error(sk, msg->msg_flags, err);
+
}
/*
IRDA_DEBUG(4, "%s()\n", __FUNCTION__);
- IRDA_ASSERT(self != NULL, return -1;);
+ if ((err = sock_error(sk)) < 0)
+ return err;
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &err);
if (!skb)
return err;
- skb->h.raw = skb->data;
- copied = skb->len;
+ skb_reset_transport_header(skb);
+ copied = skb->len;
if (copied > size) {
IRDA_DEBUG(2, "%s(), Received truncated frame (%zd < %zd)!\n",
struct irda_sock *self = irda_sk(sk);
int noblock = flags & MSG_DONTWAIT;
size_t copied = 0;
- int target = 1;
- DECLARE_WAITQUEUE(waitq, current);
+ int target, err;
+ long timeo;
IRDA_DEBUG(3, "%s()\n", __FUNCTION__);
- IRDA_ASSERT(self != NULL, return -1;);
+ if ((err = sock_error(sk)) < 0)
+ return err;
if (sock->flags & __SO_ACCEPTCON)
return(-EINVAL);
if (flags & MSG_OOB)
return -EOPNOTSUPP;
- if (flags & MSG_WAITALL)
- target = size;
+ target = sock_rcvlowat(sk, flags & MSG_WAITALL, size);
+ timeo = sock_rcvtimeo(sk, noblock);
msg->msg_namelen = 0;
int chunk;
struct sk_buff *skb = skb_dequeue(&sk->sk_receive_queue);
- if (skb==NULL) {
+ if (skb == NULL) {
+ DEFINE_WAIT(wait);
int ret = 0;
if (copied >= target)
break;
- /* The following code is a cut'n'paste of the
- * wait_event_interruptible() macro.
- * We don't us the macro because the test condition
- * is messy. - Jean II */
- set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
- add_wait_queue(sk->sk_sleep, &waitq);
- set_current_state(TASK_INTERRUPTIBLE);
+ prepare_to_wait_exclusive(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
/*
* POSIX 1003.1g mandates this order.
*/
ret = sock_error(sk);
if (ret)
- break;
+ ;
else if (sk->sk_shutdown & RCV_SHUTDOWN)
;
else if (noblock)
ret = -EAGAIN;
else if (signal_pending(current))
- ret = -ERESTARTSYS;
+ ret = sock_intr_errno(timeo);
+ else if (sk->sk_state != TCP_ESTABLISHED)
+ ret = -ENOTCONN;
else if (skb_peek(&sk->sk_receive_queue) == NULL)
/* Wait process until data arrives */
schedule();
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &waitq);
- clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+ finish_wait(sk->sk_sleep, &wait);
- if(ret)
- return(ret);
+ if (ret)
+ return ret;
if (sk->sk_shutdown & RCV_SHUTDOWN)
break;
struct sock *sk = sock->sk;
struct irda_sock *self;
struct sk_buff *skb;
- unsigned char *asmptr;
int err;
IRDA_DEBUG(4, "%s(), len=%zd\n", __FUNCTION__, len);
return -ENOTCONN;
self = irda_sk(sk);
- IRDA_ASSERT(self != NULL, return -1;);
/*
- * Check that we don't send out to big frames. This is an unreliable
+ * Check that we don't send out too big frames. This is an unreliable
* service, so we have no fragmentation and no coalescence
*/
if (len > self->max_data_size) {
return -ENOBUFS;
skb_reserve(skb, self->max_header_size);
+ skb_reset_transport_header(skb);
IRDA_DEBUG(4, "%s(), appending user data\n", __FUNCTION__);
- asmptr = skb->h.raw = skb_put(skb, len);
- err = memcpy_fromiovec(asmptr, msg->msg_iov, len);
+ skb_put(skb, len);
+ err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
if (err) {
kfree_skb(skb);
return err;
__u8 pid = 0;
int bound = 0;
struct sk_buff *skb;
- unsigned char *asmptr;
int err;
IRDA_DEBUG(4, "%s(), len=%zd\n", __FUNCTION__, len);
}
self = irda_sk(sk);
- IRDA_ASSERT(self != NULL, return -1;);
/* Check if an address was specified with sendto. Jean II */
if (msg->msg_name) {
}
/*
- * Check that we don't send out to big frames. This is an unreliable
+ * Check that we don't send out too big frames. This is an unreliable
* service, so we have no fragmentation and no coalescence
*/
if (len > self->max_data_size) {
return -ENOBUFS;
skb_reserve(skb, self->max_header_size);
+ skb_reset_transport_header(skb);
IRDA_DEBUG(4, "%s(), appending user data\n", __FUNCTION__);
- asmptr = skb->h.raw = skb_put(skb, len);
- err = memcpy_fromiovec(asmptr, msg->msg_iov, len);
+ skb_put(skb, len);
+ err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
if (err) {
kfree_skb(skb);
return err;
struct sock *sk = sock->sk;
struct irda_sock *self = irda_sk(sk);
- IRDA_ASSERT(self != NULL, return -1;);
-
IRDA_DEBUG(1, "%s(%p)\n", __FUNCTION__, self);
sk->sk_state = TCP_CLOSE;
self->daddr = DEV_ADDR_ANY; /* Until we get re-connected */
self->saddr = 0x0; /* so IrLMP assign us any link */
- return 0;
+ return 0;
}
/*
return 0;
}
+#ifdef CONFIG_COMPAT
+/*
+ * Function irda_ioctl (sock, cmd, arg)
+ */
+static int irda_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+ /*
+ * All IRDA's ioctl are standard ones.
+ */
+ return -ENOIOCTLCMD;
+}
+#endif
+
/*
* Function irda_setsockopt (sock, level, optname, optval, optlen)
*
struct irda_ias_set *ias_opt;
struct ias_object *ias_obj;
struct ias_attrib * ias_attr; /* Attribute in IAS object */
- int opt;
-
- IRDA_ASSERT(self != NULL, return -1;);
+ int opt, free_ias = 0;
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
/* Create a new object */
ias_obj = irias_new_object(ias_opt->irda_class_name,
jiffies);
+ if (ias_obj == NULL) {
+ kfree(ias_opt);
+ return -ENOMEM;
+ }
+ free_ias = 1;
}
/* Do we have the attribute already ? */
if(irias_find_attrib(ias_obj, ias_opt->irda_attrib_name)) {
kfree(ias_opt);
+ if (free_ias) {
+ kfree(ias_obj->name);
+ kfree(ias_obj);
+ }
return -EINVAL;
}
if(ias_opt->attribute.irda_attrib_octet_seq.len >
IAS_MAX_OCTET_STRING) {
kfree(ias_opt);
+ if (free_ias) {
+ kfree(ias_obj->name);
+ kfree(ias_obj);
+ }
+
return -EINVAL;
}
/* Add an octet sequence attribute */
break;
default :
kfree(ias_opt);
+ if (free_ias) {
+ kfree(ias_obj->name);
+ kfree(ias_obj);
+ }
return -EINVAL;
}
irias_insert_object(ias_obj);
/* Set watchdog timer to expire in <val> ms. */
self->errno = 0;
- init_timer(&self->watchdog);
- self->watchdog.function = irda_discovery_timeout;
- self->watchdog.data = (unsigned long) self;
+ setup_timer(&self->watchdog, irda_discovery_timeout,
+ (unsigned long)self);
self->watchdog.expires = jiffies + (val * HZ/1000);
add_timer(&(self->watchdog));
.getname = irda_getname,
.poll = irda_poll,
.ioctl = irda_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = irda_compat_ioctl,
+#endif
.listen = irda_listen,
.shutdown = irda_shutdown,
.setsockopt = irda_setsockopt,
.getname = irda_getname,
.poll = datagram_poll,
.ioctl = irda_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = irda_compat_ioctl,
+#endif
.listen = irda_listen,
.shutdown = irda_shutdown,
.setsockopt = irda_setsockopt,
.getname = irda_getname,
.poll = datagram_poll,
.ioctl = irda_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = irda_compat_ioctl,
+#endif
.listen = irda_listen,
.shutdown = irda_shutdown,
.setsockopt = irda_setsockopt,
.getname = irda_getname,
.poll = datagram_poll,
.ioctl = irda_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = irda_compat_ioctl,
+#endif
.listen = sock_no_listen,
.shutdown = irda_shutdown,
.setsockopt = irda_setsockopt,
};
#endif /* CONFIG_IRDA_ULTRA */
-#include <linux/smp_lock.h>
SOCKOPS_WRAP(irda_stream, PF_IRDA);
SOCKOPS_WRAP(irda_seqpacket, PF_IRDA);
SOCKOPS_WRAP(irda_dgram, PF_IRDA);
* Remove IrDA protocol
*
*/
-void __exit irsock_cleanup(void)
+void irsock_cleanup(void)
{
sock_unregister(PF_IRDA);
proto_unregister(&irda_proto);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff