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path: root/drivers/usb/serial/keyspan_pda.c
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Diffstat (limited to 'drivers/usb/serial/keyspan_pda.c')
-rw-r--r--drivers/usb/serial/keyspan_pda.c25
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 3b17d5d13dc8..5f1d382e55cf 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -104,10 +104,8 @@ static void keyspan_pda_wakeup_write(struct work_struct *work)
struct keyspan_pda_private *priv =
container_of(work, struct keyspan_pda_private, wakeup_work);
struct usb_serial_port *port = priv->port;
- struct tty_struct *tty = tty_port_tty_get(&port->port);
- if (tty)
- tty_wakeup(tty);
- tty_kref_put(tty);
+
+ tty_port_tty_wakeup(&port->port);
}
static void keyspan_pda_request_unthrottle(struct work_struct *work)
@@ -595,12 +593,10 @@ static void keyspan_pda_dtr_rts(struct usb_serial_port *port, int on)
{
struct usb_serial *serial = port->serial;
- if (serial->dev) {
- if (on)
- keyspan_pda_set_modem_info(serial, (1<<7) | (1<< 2));
- else
- keyspan_pda_set_modem_info(serial, 0);
- }
+ if (on)
+ keyspan_pda_set_modem_info(serial, (1 << 7) | (1 << 2));
+ else
+ keyspan_pda_set_modem_info(serial, 0);
}
@@ -651,13 +647,8 @@ error:
}
static void keyspan_pda_close(struct usb_serial_port *port)
{
- struct usb_serial *serial = port->serial;
-
- if (serial->dev) {
- /* shutdown our bulk reads and writes */
- usb_kill_urb(port->write_urb);
- usb_kill_urb(port->interrupt_in_urb);
- }
+ usb_kill_urb(port->write_urb);
+ usb_kill_urb(port->interrupt_in_urb);
}