1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index fcec4660355..c012e51665b 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -595,8 +595,6 @@ static void sierra_indat_callback(struct urb *urb)
                 if (urb->actual_length) {
                         tty = tty_port_tty_get(&port->port);
                         if (tty) {
-                                tty_buffer_request_room(tty,
-                                        urb->actual_length);
                                 tty_insert_flip_string(tty, data,
                                         urb->actual_length);
                                 tty_flip_buffer_push(tty);