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path: root/drivers/usb/serial/quatech2.c
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Diffstat (limited to 'drivers/usb/serial/quatech2.c')
-rw-r--r--drivers/usb/serial/quatech2.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 75f125ddb0c9..ef3a7d5eaab4 100644
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -116,7 +116,6 @@ struct qt2_serial_private {
};
struct qt2_port_private {
- bool is_open;
u8 device_port;
spinlock_t urb_lock;
@@ -397,7 +396,6 @@ static int qt2_open(struct tty_struct *tty, struct usb_serial_port *port)
return status;
}
- port_priv->is_open = true;
port_priv->device_port = (u8) device_port;
if (tty)
@@ -417,8 +415,6 @@ static void qt2_close(struct usb_serial_port *port)
serial = port->serial;
port_priv = usb_get_serial_port_data(port);
- port_priv->is_open = false;
-
spin_lock_irqsave(&port_priv->urb_lock, flags);
usb_kill_urb(port_priv->write_urb);
port_priv->urb_in_use = false;
@@ -664,9 +660,7 @@ void qt2_process_read_urb(struct urb *urb)
__func__);
break;
}
-
- if (port_priv->is_open)
- tty_flip_buffer_push(&port->port);
+ tty_flip_buffer_push(&port->port);
newport = *(ch + 3);
@@ -709,8 +703,7 @@ void qt2_process_read_urb(struct urb *urb)
tty_insert_flip_string(&port->port, ch, 1);
}
- if (port_priv->is_open)
- tty_flip_buffer_push(&port->port);
+ tty_flip_buffer_push(&port->port);
}
static void qt2_write_bulk_callback(struct urb *urb)
@@ -910,12 +903,6 @@ static void qt2_break_ctl(struct tty_struct *tty, int break_state)
port_priv = usb_get_serial_port_data(port);
- if (!port_priv->is_open) {
- dev_err(&port->dev,
- "%s - port is not open\n", __func__);
- return;
- }
-
val = (break_state == -1) ? 1 : 0;
status = qt2_control_msg(port->serial->dev, QT2_BREAK_CONTROL,