diff options
Diffstat (limited to 'drivers/net/irda/irtty-sir.c')
| -rw-r--r-- | drivers/net/irda/irtty-sir.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c index ee1dde52e8f..24b6dddd7f2 100644 --- a/drivers/net/irda/irtty-sir.c +++ b/drivers/net/irda/irtty-sir.c @@ -123,14 +123,14 @@ static int irtty_change_speed(struct sir_dev *dev, unsigned speed) tty = priv->tty; - mutex_lock(&tty->termios_mutex); - old_termios = *(tty->termios); - cflag = tty->termios->c_cflag; + down_write(&tty->termios_rwsem); + old_termios = tty->termios; + cflag = tty->termios.c_cflag; tty_encode_baud_rate(tty, speed, speed); if (tty->ops->set_termios) tty->ops->set_termios(tty, &old_termios); priv->io.speed = speed; - mutex_unlock(&tty->termios_mutex); + up_write(&tty->termios_rwsem); return 0; } @@ -167,7 +167,7 @@ static int irtty_set_dtr_rts(struct sir_dev *dev, int dtr, int rts) * let's be careful... Jean II */ IRDA_ASSERT(priv->tty->ops->tiocmset != NULL, return -1;); - priv->tty->ops->tiocmset(priv->tty, NULL, set, clear); + priv->tty->ops->tiocmset(priv->tty, set, clear); return 0; } @@ -210,7 +210,7 @@ static int irtty_do_write(struct sir_dev *dev, const unsigned char *ptr, size_t * been received, which can now be decapsulated and delivered for * further processing * - * calling context depends on underlying driver and tty->low_latency! + * calling context depends on underlying driver and tty->port->low_latency! * for example (low_latency: 1 / 0): * serial.c: uart-interrupt / softint * usbserial: urb-complete-interrupt / softint @@ -280,19 +280,19 @@ static inline void irtty_stop_receiver(struct tty_struct *tty, int stop) struct ktermios old_termios; int cflag; - mutex_lock(&tty->termios_mutex); - old_termios = *(tty->termios); - cflag = tty->termios->c_cflag; + down_write(&tty->termios_rwsem); + old_termios = tty->termios; + cflag = tty->termios.c_cflag; if (stop) cflag &= ~CREAD; else cflag |= CREAD; - tty->termios->c_cflag = cflag; + tty->termios.c_cflag = cflag; if (tty->ops->set_termios) tty->ops->set_termios(tty, &old_termios); - mutex_unlock(&tty->termios_mutex); + up_write(&tty->termios_rwsem); } /*****************************************************************/ @@ -459,8 +459,10 @@ static int irtty_open(struct tty_struct *tty) /* allocate private device info block */ priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) + if (!priv) { + ret = -ENOMEM; goto out_put; + } priv->magic = IRTTY_MAGIC; priv->tty = tty; @@ -520,7 +522,6 @@ static void irtty_close(struct tty_struct *tty) sirdev_put_instance(priv->dev); /* Stop tty */ - irtty_stop_receiver(tty, TRUE); clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); if (tty->ops->stop) tty->ops->stop(tty); |