1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index a9c2dec8e3fb..547c9448c28c 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -50,7 +50,7 @@ static int debug;
 /* usb timeout of 1 second */
 #define ARK_TIMEOUT (1*HZ)
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
         { USB_DEVICE(0x6547, 0x0232) },
         { USB_DEVICE(0x18ec, 0x3118) },         /* USB to IrDA adapter */
         { },
@@ -733,7 +733,6 @@ static void ark3116_read_bulk_callback(struct urb *urb)
 
                 tty = tty_port_tty_get(&port->port);
                 if (tty) {
-                        tty_buffer_request_room(tty, urb->actual_length + 1);
                         /* overrun is special, not associated with a char */
                         if (unlikely(lsr & UART_LSR_OE))
                                 tty_insert_flip_char(tty, 0, TTY_OVERRUN);