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-rw-r--r--net/irda/af_irda.c9
-rw-r--r--net/irda/ircomm/Kconfig2
-rw-r--r--net/irda/ircomm/ircomm_tty.c37
-rw-r--r--net/irda/iriap.c7
-rw-r--r--net/irda/irnet/irnet_ppp.c117
-rw-r--r--net/irda/timer.c2
6 files changed, 90 insertions, 84 deletions
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index b833677d83d6..d28e7f014cc6 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -2567,8 +2567,7 @@ bed:
err);
/* If watchdog is still activated, kill it! */
- if(timer_pending(&(self->watchdog)))
- del_timer(&(self->watchdog));
+ del_timer(&(self->watchdog));
IRDA_DEBUG(1, "%s(), ...waking up !\n", __func__);
@@ -2584,8 +2583,10 @@ bed:
NULL, NULL, NULL);
/* Check if the we got some results */
- if (!self->cachedaddr)
- return -EAGAIN; /* Didn't find any devices */
+ if (!self->cachedaddr) {
+ err = -EAGAIN; /* Didn't find any devices */
+ goto out;
+ }
daddr = self->cachedaddr;
/* Cleanup */
self->cachedaddr = 0;
diff --git a/net/irda/ircomm/Kconfig b/net/irda/ircomm/Kconfig
index 2d4c6b4a78d6..19492c1707b7 100644
--- a/net/irda/ircomm/Kconfig
+++ b/net/irda/ircomm/Kconfig
@@ -1,6 +1,6 @@
config IRCOMM
tristate "IrCOMM protocol"
- depends on IRDA
+ depends on IRDA && TTY
help
Say Y here if you want to build support for the IrCOMM protocol.
To compile it as modules, choose M here: the modules will be
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
index a68c88cdec6e..362ba47968e4 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -280,7 +280,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
struct tty_port *port = &self->port;
DECLARE_WAITQUEUE(wait, current);
int retval;
- int do_clocal = 0, extra_count = 0;
+ int do_clocal = 0;
unsigned long flags;
IRDA_DEBUG(2, "%s()\n", __func__ );
@@ -289,8 +289,15 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
* If non-blocking mode is set, or the port is not enabled,
* then make the check up front and then exit.
*/
- if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){
- /* nonblock mode is set or port is not enabled */
+ if (test_bit(TTY_IO_ERROR, &tty->flags)) {
+ port->flags |= ASYNC_NORMAL_ACTIVE;
+ return 0;
+ }
+
+ if (filp->f_flags & O_NONBLOCK) {
+ /* nonblock mode is set */
+ if (tty->termios.c_cflag & CBAUD)
+ tty_port_raise_dtr_rts(port);
port->flags |= ASYNC_NORMAL_ACTIVE;
IRDA_DEBUG(1, "%s(), O_NONBLOCK requested!\n", __func__ );
return 0;
@@ -315,18 +322,16 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
__FILE__, __LINE__, tty->driver->name, port->count);
spin_lock_irqsave(&port->lock, flags);
- if (!tty_hung_up_p(filp)) {
- extra_count = 1;
+ if (!tty_hung_up_p(filp))
port->count--;
- }
- spin_unlock_irqrestore(&port->lock, flags);
port->blocked_open++;
+ spin_unlock_irqrestore(&port->lock, flags);
while (1) {
if (tty->termios.c_cflag & CBAUD)
tty_port_raise_dtr_rts(port);
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
if (tty_hung_up_p(filp) ||
!test_bit(ASYNCB_INITIALIZED, &port->flags)) {
@@ -361,13 +366,11 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
__set_current_state(TASK_RUNNING);
remove_wait_queue(&port->open_wait, &wait);
- if (extra_count) {
- /* ++ is not atomic, so this should be protected - Jean II */
- spin_lock_irqsave(&port->lock, flags);
+ spin_lock_irqsave(&port->lock, flags);
+ if (!tty_hung_up_p(filp))
port->count++;
- spin_unlock_irqrestore(&port->lock, flags);
- }
port->blocked_open--;
+ spin_unlock_irqrestore(&port->lock, flags);
IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n",
__FILE__, __LINE__, tty->driver->name, port->count);
@@ -452,7 +455,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
self->line, self->port.count);
/* Not really used by us, but lets do it anyway */
- tty->low_latency = (self->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+ self->port.low_latency = (self->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
/*
* If the port is the middle of closing, bail out now
@@ -1136,14 +1139,14 @@ static int ircomm_tty_data_indication(void *instance, void *sap,
ircomm_tty_send_initial_parameters(self);
ircomm_tty_link_established(self);
}
+ tty_kref_put(tty);
/*
* Use flip buffer functions since the code may be called from interrupt
* context
*/
- tty_insert_flip_string(tty, skb->data, skb->len);
- tty_flip_buffer_push(tty);
- tty_kref_put(tty);
+ tty_insert_flip_string(&self->port, skb->data, skb->len);
+ tty_flip_buffer_push(&self->port);
/* No need to kfree_skb - see ircomm_ttp_data_indication() */
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index e71e85ba2bf1..29340a9a6fb9 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -495,8 +495,11 @@ static void iriap_getvaluebyclass_confirm(struct iriap_cb *self,
/* case CS_ISO_8859_9: */
/* case CS_UNICODE: */
default:
- IRDA_DEBUG(0, "%s(), charset %s, not supported\n",
- __func__, ias_charset_types[charset]);
+ IRDA_DEBUG(0, "%s(), charset [%d] %s, not supported\n",
+ __func__, charset,
+ charset < ARRAY_SIZE(ias_charset_types) ?
+ ias_charset_types[charset] :
+ "(unknown)");
/* Aborting, close connection! */
iriap_disconnect_request(self);
diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c
index 2bb2beb6a373..3c83a1e5ab03 100644
--- a/net/irda/irnet/irnet_ppp.c
+++ b/net/irda/irnet/irnet_ppp.c
@@ -214,8 +214,7 @@ irnet_get_discovery_log(irnet_socket * ap)
* After reading : discoveries = NULL ; disco_index = Y ; disco_number = -1
*/
static inline int
-irnet_read_discovery_log(irnet_socket * ap,
- char * event)
+irnet_read_discovery_log(irnet_socket *ap, char *event, int buf_size)
{
int done_event = 0;
@@ -237,12 +236,13 @@ irnet_read_discovery_log(irnet_socket * ap,
if(ap->disco_index < ap->disco_number)
{
/* Write an event */
- sprintf(event, "Found %08x (%s) behind %08x {hints %02X-%02X}\n",
- ap->discoveries[ap->disco_index].daddr,
- ap->discoveries[ap->disco_index].info,
- ap->discoveries[ap->disco_index].saddr,
- ap->discoveries[ap->disco_index].hints[0],
- ap->discoveries[ap->disco_index].hints[1]);
+ snprintf(event, buf_size,
+ "Found %08x (%s) behind %08x {hints %02X-%02X}\n",
+ ap->discoveries[ap->disco_index].daddr,
+ ap->discoveries[ap->disco_index].info,
+ ap->discoveries[ap->disco_index].saddr,
+ ap->discoveries[ap->disco_index].hints[0],
+ ap->discoveries[ap->disco_index].hints[1]);
DEBUG(CTRL_INFO, "Writing discovery %d : %s\n",
ap->disco_index, ap->discoveries[ap->disco_index].info);
@@ -282,27 +282,24 @@ irnet_ctrl_read(irnet_socket * ap,
size_t count)
{
DECLARE_WAITQUEUE(wait, current);
- char event[64]; /* Max event is 61 char */
+ char event[75];
ssize_t ret = 0;
DENTER(CTRL_TRACE, "(ap=0x%p, count=%Zd)\n", ap, count);
- /* Check if we can write an event out in one go */
- DABORT(count < sizeof(event), -EOVERFLOW, CTRL_ERROR, "Buffer to small.\n");
-
#ifdef INITIAL_DISCOVERY
/* Check if we have read the log */
- if(irnet_read_discovery_log(ap, event))
+ if (irnet_read_discovery_log(ap, event, sizeof(event)))
{
- /* We have an event !!! Copy it to the user */
- if(copy_to_user(buf, event, strlen(event)))
+ count = min(strlen(event), count);
+ if (copy_to_user(buf, event, count))
{
DERROR(CTRL_ERROR, "Invalid user space pointer.\n");
return -EFAULT;
}
DEXIT(CTRL_TRACE, "\n");
- return strlen(event);
+ return count;
}
#endif /* INITIAL_DISCOVERY */
@@ -339,79 +336,81 @@ irnet_ctrl_read(irnet_socket * ap,
switch(irnet_events.log[ap->event_index].event)
{
case IRNET_DISCOVER:
- sprintf(event, "Discovered %08x (%s) behind %08x {hints %02X-%02X}\n",
- irnet_events.log[ap->event_index].daddr,
- irnet_events.log[ap->event_index].name,
- irnet_events.log[ap->event_index].saddr,
- irnet_events.log[ap->event_index].hints.byte[0],
- irnet_events.log[ap->event_index].hints.byte[1]);
+ snprintf(event, sizeof(event),
+ "Discovered %08x (%s) behind %08x {hints %02X-%02X}\n",
+ irnet_events.log[ap->event_index].daddr,
+ irnet_events.log[ap->event_index].name,
+ irnet_events.log[ap->event_index].saddr,
+ irnet_events.log[ap->event_index].hints.byte[0],
+ irnet_events.log[ap->event_index].hints.byte[1]);
break;
case IRNET_EXPIRE:
- sprintf(event, "Expired %08x (%s) behind %08x {hints %02X-%02X}\n",
- irnet_events.log[ap->event_index].daddr,
- irnet_events.log[ap->event_index].name,
- irnet_events.log[ap->event_index].saddr,
- irnet_events.log[ap->event_index].hints.byte[0],
- irnet_events.log[ap->event_index].hints.byte[1]);
+ snprintf(event, sizeof(event),
+ "Expired %08x (%s) behind %08x {hints %02X-%02X}\n",
+ irnet_events.log[ap->event_index].daddr,
+ irnet_events.log[ap->event_index].name,
+ irnet_events.log[ap->event_index].saddr,
+ irnet_events.log[ap->event_index].hints.byte[0],
+ irnet_events.log[ap->event_index].hints.byte[1]);
break;
case IRNET_CONNECT_TO:
- sprintf(event, "Connected to %08x (%s) on ppp%d\n",
- irnet_events.log[ap->event_index].daddr,
- irnet_events.log[ap->event_index].name,
- irnet_events.log[ap->event_index].unit);
+ snprintf(event, sizeof(event), "Connected to %08x (%s) on ppp%d\n",
+ irnet_events.log[ap->event_index].daddr,
+ irnet_events.log[ap->event_index].name,
+ irnet_events.log[ap->event_index].unit);
break;
case IRNET_CONNECT_FROM:
- sprintf(event, "Connection from %08x (%s) on ppp%d\n",
- irnet_events.log[ap->event_index].daddr,
- irnet_events.log[ap->event_index].name,
- irnet_events.log[ap->event_index].unit);
+ snprintf(event, sizeof(event), "Connection from %08x (%s) on ppp%d\n",
+ irnet_events.log[ap->event_index].daddr,
+ irnet_events.log[ap->event_index].name,
+ irnet_events.log[ap->event_index].unit);
break;
case IRNET_REQUEST_FROM:
- sprintf(event, "Request from %08x (%s) behind %08x\n",
- irnet_events.log[ap->event_index].daddr,
- irnet_events.log[ap->event_index].name,
- irnet_events.log[ap->event_index].saddr);
+ snprintf(event, sizeof(event), "Request from %08x (%s) behind %08x\n",
+ irnet_events.log[ap->event_index].daddr,
+ irnet_events.log[ap->event_index].name,
+ irnet_events.log[ap->event_index].saddr);
break;
case IRNET_NOANSWER_FROM:
- sprintf(event, "No-answer from %08x (%s) on ppp%d\n",
- irnet_events.log[ap->event_index].daddr,
- irnet_events.log[ap->event_index].name,
- irnet_events.log[ap->event_index].unit);
+ snprintf(event, sizeof(event), "No-answer from %08x (%s) on ppp%d\n",
+ irnet_events.log[ap->event_index].daddr,
+ irnet_events.log[ap->event_index].name,
+ irnet_events.log[ap->event_index].unit);
break;
case IRNET_BLOCKED_LINK:
- sprintf(event, "Blocked link with %08x (%s) on ppp%d\n",
- irnet_events.log[ap->event_index].daddr,
- irnet_events.log[ap->event_index].name,
- irnet_events.log[ap->event_index].unit);
+ snprintf(event, sizeof(event), "Blocked link with %08x (%s) on ppp%d\n",
+ irnet_events.log[ap->event_index].daddr,
+ irnet_events.log[ap->event_index].name,
+ irnet_events.log[ap->event_index].unit);
break;
case IRNET_DISCONNECT_FROM:
- sprintf(event, "Disconnection from %08x (%s) on ppp%d\n",
- irnet_events.log[ap->event_index].daddr,
- irnet_events.log[ap->event_index].name,
- irnet_events.log[ap->event_index].unit);
+ snprintf(event, sizeof(event), "Disconnection from %08x (%s) on ppp%d\n",
+ irnet_events.log[ap->event_index].daddr,
+ irnet_events.log[ap->event_index].name,
+ irnet_events.log[ap->event_index].unit);
break;
case IRNET_DISCONNECT_TO:
- sprintf(event, "Disconnected to %08x (%s)\n",
- irnet_events.log[ap->event_index].daddr,
- irnet_events.log[ap->event_index].name);
+ snprintf(event, sizeof(event), "Disconnected to %08x (%s)\n",
+ irnet_events.log[ap->event_index].daddr,
+ irnet_events.log[ap->event_index].name);
break;
default:
- sprintf(event, "Bug\n");
+ snprintf(event, sizeof(event), "Bug\n");
}
/* Increment our event index */
ap->event_index = (ap->event_index + 1) % IRNET_MAX_EVENTS;
DEBUG(CTRL_INFO, "Event is :%s", event);
- /* Copy it to the user */
- if(copy_to_user(buf, event, strlen(event)))
+ count = min(strlen(event), count);
+ if (copy_to_user(buf, event, count))
{
DERROR(CTRL_ERROR, "Invalid user space pointer.\n");
return -EFAULT;
}
DEXIT(CTRL_TRACE, "\n");
- return strlen(event);
+ return count;
}
/*------------------------------------------------------------------*/
diff --git a/net/irda/timer.c b/net/irda/timer.c
index 1d552b3946fc..0c4c115a5cab 100644
--- a/net/irda/timer.c
+++ b/net/irda/timer.c
@@ -57,7 +57,7 @@ void irlap_start_query_timer(struct irlap_cb *self, int S, int s)
* Basically, we multiply the number of remaining slots by our
* slot time, plus add some extra time to properly receive the last
* discovery packet (which is longer due to extra discovery info),
- * to avoid messing with for incomming connections requests and
+ * to avoid messing with for incoming connections requests and
* to accommodate devices that perform discovery slower than us.
* Jean II */
timeout = ((sysctl_slot_timeout * HZ / 1000) * (S - s)
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 09:57:19 +0000