keyspan: Use string flip functions when possible
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 2b1cfcb..704716f 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -577,7 +577,7 @@
static void usa28_indat_callback(struct urb *urb)
{
- int i, err;
+ int err;
struct usb_serial_port *port;
struct tty_struct *tty;
unsigned char *data;
@@ -606,8 +606,7 @@
tty = port->port.tty;
if (urb->actual_length) {
- for (i = 0; i < urb->actual_length ; ++i)
- tty_insert_flip_char(tty, data[i], 0);
+ tty_insert_flip_string(tty, data, urb->actual_length);
tty_flip_buffer_push(tty);
}
@@ -833,8 +832,8 @@
/* 0x80 bit is error flag */
if ((data[0] & 0x80) == 0) {
/* no error on any byte */
- 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);
} else {
/* some bytes had errors, every byte has status */
for (i = 0; i + 1 < urb->actual_length; i += 2) {
@@ -973,10 +972,9 @@
/* if current mode is DMA, looks like usa28 format
otherwise looks like usa26 data format */
- if (p_priv->baud > 57600) {
- for (i = 0; i < urb->actual_length ; ++i)
- tty_insert_flip_char(tty, data[i], 0);
- } else {
+ if (p_priv->baud > 57600)
+ tty_insert_flip_string(tty, data, urb->actual_length);
+ else {
/* 0x80 bit is error flag */
if ((data[0] & 0x80) == 0) {
/* no errors on individual bytes, only