keyspan_pda: Use string flip functions

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index b60012ce4c91..040040a267d9 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -207,7 +207,6 @@ static void keyspan_pda_rx_interrupt(struct urb *urb)
         struct usb_serial_port *port = urb->context;
         struct tty_struct *tty = port->port.tty;
         unsigned char *data = urb->transfer_buffer;
-        int i;
         int retval;
         int status = urb->status;
         struct keyspan_pda_private *priv;
@@ -235,8 +234,8 @@ static void keyspan_pda_rx_interrupt(struct urb *urb)
         case 0:
                 /* rest of message is rx data */
                 if (urb->actual_length) {
-                        for (i = 1; i < urb->actual_length ; ++i)
-                                tty_insert_flip_char(tty, data[i], 0);
+                        tty_insert_flip_string(tty, data + 1,
+                                                urb->actual_length - 1);
                         tty_flip_buffer_push(tty);
                 }
                 break;