static int digi_read_inb_callback(struct urb *urb)
{
-
struct usb_serial_port *port = urb->context;
- struct tty_struct *tty;
struct digi_port *priv = usb_get_serial_port_data(port);
int opcode = ((unsigned char *)urb->transfer_buffer)[0];
int len = ((unsigned char *)urb->transfer_buffer)[1];
return -1;
}
- tty = tty_port_tty_get(&port->port);
spin_lock(&priv->dp_port_lock);
/* check for throttle; if set, do not resubmit read urb */
priv->dp_throttle_restart = 1;
/* receive data */
- if (tty && opcode == DIGI_CMD_RECEIVE_DATA) {
+ if (opcode == DIGI_CMD_RECEIVE_DATA) {
/* get flag from port_status */
flag = 0;
if (len > 0) {
tty_insert_flip_string_fixed_flag(&port->port, data,
flag, len);
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(&port->port);
}
}
spin_unlock(&priv->dp_port_lock);
- tty_kref_put(tty);
if (opcode == DIGI_CMD_RECEIVE_DISABLE)
dev_dbg(&port->dev, "%s: got RECEIVE_DISABLE\n", __func__);