1 files changed, 3 insertions, 6 deletions

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 3fd2405304fd..52bdf6fe46f2 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -321,7 +321,7 @@ static int option_write(struct usb_serial_port *port,
 
 static void option_indat_callback(struct urb *urb, struct pt_regs *regs)
 {
-        int i, err;
+        int err;
         int endpoint;
         struct usb_serial_port *port;
         struct tty_struct *tty;
@@ -338,11 +338,8 @@ static void option_indat_callback(struct urb *urb, struct pt_regs *regs)
         } else {
                 tty = port->tty;
                 if (urb->actual_length) {
-                        for (i = 0; i < urb->actual_length ; ++i) {
-                                if (tty->flip.count >= TTY_FLIPBUF_SIZE)
-                                        tty_flip_buffer_push(tty);
-                                tty_insert_flip_char(tty, data[i], 0);
-                        }
+                        tty_buffer_request_room(tty, urb->actual_length);
+                        tty_insert_flip_string(tty, data, urb->actual_length);
                         tty_flip_buffer_push(tty);
                 } else {
                         dbg("%s: empty read urb received", __FUNCTION__);