1 files changed, 3 insertions, 10 deletions

diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 95d8d26b9a44..4a0f51974232 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -100,7 +100,7 @@ static u8 ir_baud;
 static u8 ir_xbof;
 static u8 ir_add_bof;
 
-static struct usb_device_id ir_id_table[] = {
+static const struct usb_device_id ir_id_table[] = {
         { USB_DEVICE(0x050f, 0x0180) },         /* KC Technology, KC-180 */
         { USB_DEVICE(0x08e9, 0x0100) },         /* XTNDAccess */
         { USB_DEVICE(0x09c4, 0x0011) },         /* ACTiSys ACT-IR2000U */
@@ -445,11 +445,6 @@ static void ir_read_bulk_callback(struct urb *urb)
 
         dbg("%s - port %d", __func__, port->number);
 
-        if (!port->port.count) {
-                dbg("%s - port closed.", __func__);
-                return;
-        }
-
         switch (status) {
         case 0: /* Successful */
                 /*
@@ -462,10 +457,8 @@ 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);
 
                 /*