diff options
Diffstat (limited to 'drivers/usb/serial/quatech2.c')
| -rw-r--r-- | drivers/usb/serial/quatech2.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 5dccc4f957df..6850745808c3 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -609,7 +609,6 @@ void qt2_process_read_urb(struct urb *urb) struct qt2_serial_private *serial_priv; struct usb_serial_port *port; struct qt2_port_private *port_priv; - struct tty_struct *tty; bool escapeflag; unsigned char *ch; int i; @@ -620,15 +619,11 @@ void qt2_process_read_urb(struct urb *urb) return; ch = urb->transfer_buffer; - tty = NULL; serial = urb->context; serial_priv = usb_get_serial_data(serial); port = serial->port[serial_priv->current_port]; port_priv = usb_get_serial_port_data(port); - if (port_priv->is_open) - tty = tty_port_tty_get(&port->port); - for (i = 0; i < urb->actual_length; i++) { ch = (unsigned char *)urb->transfer_buffer + i; if ((i <= (len - 3)) && @@ -666,10 +661,7 @@ void qt2_process_read_urb(struct urb *urb) __func__); break; } - if (tty) { - tty_flip_buffer_push(tty); - tty_kref_put(tty); - } + tty_flip_buffer_push(&port->port); newport = *(ch + 3); @@ -683,10 +675,6 @@ void qt2_process_read_urb(struct urb *urb) serial_priv->current_port = newport; port = serial->port[serial_priv->current_port]; port_priv = usb_get_serial_port_data(port); - if (port_priv->is_open) - tty = tty_port_tty_get(&port->port); - else - tty = NULL; i += 3; escapeflag = true; break; @@ -716,10 +704,7 @@ void qt2_process_read_urb(struct urb *urb) tty_insert_flip_string(&port->port, ch, 1); } - if (tty) { - tty_flip_buffer_push(tty); - tty_kref_put(tty); - } + tty_flip_buffer_push(&port->port); } static void qt2_write_bulk_callback(struct urb *urb) |