diff options
Diffstat (limited to 'net/irda')
| -rw-r--r-- | net/irda/af_irda.c | 8 | ||||
| -rw-r--r-- | net/irda/ircomm/ircomm_tty.c | 29 | ||||
| -rw-r--r-- | net/irda/iriap.c | 3 | ||||
| -rw-r--r-- | net/irda/irlmp.c | 10 |
4 files changed, 33 insertions, 17 deletions
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index d07e3a62644..e493b3397ae 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -1386,6 +1386,8 @@ static int irda_recvmsg_dgram(struct kiocb *iocb, struct socket *sock, IRDA_DEBUG(4, "%s()\n", __func__); + msg->msg_namelen = 0; + skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &err); if (!skb) @@ -2583,8 +2585,10 @@ 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/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c index 9a5fd3c3e53..362ba47968e 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); diff --git a/net/irda/iriap.c b/net/irda/iriap.c index 29340a9a6fb..e1b37f5a269 100644 --- a/net/irda/iriap.c +++ b/net/irda/iriap.c @@ -303,7 +303,8 @@ static void iriap_disconnect_indication(void *instance, void *sap, { struct iriap_cb *self; - IRDA_DEBUG(4, "%s(), reason=%s\n", __func__, irlmp_reasons[reason]); + IRDA_DEBUG(4, "%s(), reason=%s [%d]\n", __func__, + irlmp_reason_str(reason), reason); self = instance; diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c index 6115a44c0a2..1064621da6f 100644 --- a/net/irda/irlmp.c +++ b/net/irda/irlmp.c @@ -66,8 +66,15 @@ const char *irlmp_reasons[] = { "LM_LAP_RESET", "LM_INIT_DISCONNECT", "ERROR, NOT USED", + "UNKNOWN", }; +const char *irlmp_reason_str(LM_REASON reason) +{ + reason = min_t(size_t, reason, ARRAY_SIZE(irlmp_reasons) - 1); + return irlmp_reasons[reason]; +} + /* * Function irlmp_init (void) * @@ -747,7 +754,8 @@ void irlmp_disconnect_indication(struct lsap_cb *self, LM_REASON reason, { struct lsap_cb *lsap; - IRDA_DEBUG(1, "%s(), reason=%s\n", __func__, irlmp_reasons[reason]); + IRDA_DEBUG(1, "%s(), reason=%s [%d]\n", __func__, + irlmp_reason_str(reason), reason); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LMP_LSAP_MAGIC, return;); |