1 files changed, 5 insertions, 10 deletions

diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c
index b282c0f2d8e5..d9457bd4fe10 100644
--- a/drivers/usb/serial/symbolserial.c
+++ b/drivers/usb/serial/symbolserial.c
@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/tty.h>
+#include <linux/slab.h>
 #include <linux/tty_driver.h>
 #include <linux/tty_flip.h>
 #include <linux/module.h>
@@ -21,7 +22,7 @@
 
 static int debug;
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
         { USB_DEVICE(0x05e0, 0x0600) },
         { },
 };
@@ -51,7 +52,6 @@ static void symbol_int_callback(struct urb *urb)
         int status = urb->status;
         struct tty_struct *tty;
         int result;
-        int available_room = 0;
         int data_length;
 
         dbg("%s - port %d", __func__, port->number);
@@ -89,18 +89,13 @@ static void symbol_int_callback(struct urb *urb)
                  */
                 tty = tty_port_tty_get(&port->port);
                 if (tty) {
-                        available_room = tty_buffer_request_room(tty,
-                                                        data_length);
-                        if (available_room) {
-                                tty_insert_flip_string(tty, &data[1],
-                                                       available_room);
-                                tty_flip_buffer_push(tty);
-                        }
+                        tty_insert_flip_string(tty, &data[1], data_length);
+                        tty_flip_buffer_push(tty);
                         tty_kref_put(tty);
                 }
         } else {
                 dev_dbg(&priv->udev->dev,
-                        "Improper ammount of data received from the device, "
+                        "Improper amount of data received from the device, "
                         "%d bytes", urb->actual_length);
         }