Commit ae85467c authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by David S. Miller

net: usb: hso: use swap macro in hso_kick_transmit

Make use of the swap macro and remove unnecessary variable *temp*.
This makes the code easier to read and maintain. Also, slightly
refactor some code due to the removal of *temp*.

This code was detected with the help of Coccinelle.
Signed-off-by: default avatarGustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2a6deb6a
......@@ -1732,7 +1732,6 @@ static int hso_serial_ioctl(struct tty_struct *tty,
/* starts a transmit */
static void hso_kick_transmit(struct hso_serial *serial)
{
u8 *temp;
unsigned long flags;
int res;
......@@ -1748,14 +1747,12 @@ static void hso_kick_transmit(struct hso_serial *serial)
goto out;
/* Switch pointers around to avoid memcpy */
temp = serial->tx_buffer;
serial->tx_buffer = serial->tx_data;
serial->tx_data = temp;
swap(serial->tx_buffer, serial->tx_data);
serial->tx_data_count = serial->tx_buffer_count;
serial->tx_buffer_count = 0;
/* If temp is set, it means we switched buffers */
if (temp && serial->write_data) {
/* If serial->tx_data is set, it means we switched buffers */
if (serial->tx_data && serial->write_data) {
res = serial->write_data(serial);
if (res >= 0)
serial->tx_urb_used = 1;
......
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