diff options
| author | Johan Hovold <jhovold@gmail.com> | 2013-03-21 12:37:21 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-25 13:52:25 -0700 |
| commit | 6d0cad657a133818038683120fff9c5c5f8dc751 (patch) | |
| tree | 7d2cc22a9fc2279a9400bb34d970286e2d627552 | |
| parent | 824d11bef5540062d17380c65ee52d4b2948ca84 (diff) | |
USB: pl2303: fix TIOCMIWAIT and disconnect
Use tty-port modem-status-change wait queue on which processes are woken
up at hangup and disconnect.
Currently a process waiting on modem-status changes will not be woken on
device disconnect.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/serial/pl2303.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 1f7fd1aaa2f5..997eba4dcbeb 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -607,7 +607,7 @@ static int pl2303_tiocmiwait(struct tty_struct *tty, unsigned long arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - interruptible_sleep_on(&port->delta_msr_wait); + interruptible_sleep_on(&port->port.delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; @@ -718,7 +718,7 @@ static void pl2303_update_line_status(struct usb_serial_port *port, spin_unlock_irqrestore(&priv->lock, flags); if (priv->line_status & UART_BREAK_ERROR) usb_serial_handle_break(port); - wake_up_interruptible(&port->delta_msr_wait); + wake_up_interruptible(&port->port.delta_msr_wait); tty = tty_port_tty_get(&port->port); if (!tty) @@ -782,7 +782,7 @@ static void pl2303_process_read_urb(struct urb *urb) line_status = priv->line_status; priv->line_status &= ~UART_STATE_TRANSIENT_MASK; spin_unlock_irqrestore(&priv->lock, flags); - wake_up_interruptible(&port->delta_msr_wait); + wake_up_interruptible(&port->port.delta_msr_wait); if (!urb->actual_length) return; |