USB: tty: Prune uses of tty_request_room in the USB layer

[sfrench/cifs-2.6.git] / drivers / usb / serial / ir-usb.c

diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index fc2ab81a48d1725e17802d1dc8141fe5510b9f0b..c3e5d506aead3368776115319983a8ada014735b 100644 (file)
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -462,10 +462,8 @@ static void ir_read_bulk_callback(struct urb *urb)
                usb_serial_debug_data(debug, &port->dev, __func__,
                                                urb->actual_length, data);
                tty = tty_port_tty_get(&port->port);
-               if (tty_buffer_request_room(tty, urb->actual_length - 1)) {
-                       tty_insert_flip_string(tty, data+1, urb->actual_length - 1);
-                       tty_flip_buffer_push(tty);
-               }
+               tty_insert_flip_string(tty, data+1, urb->actual_length - 1);
+               tty_flip_buffer_push(tty);
                tty_kref_put(tty);
 
                /*