net: usb: hso: use new tasklet API

This converts the driver to use the new tasklet API introduced in
commit 12cc923 ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/usb/hso.c

@@ -1213,9 +1213,10 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb)
  * This needs to be a tasklet otherwise we will
  * end up recursively calling this function.
  */
-static void hso_unthrottle_tasklet(unsigned long data)
+static void hso_unthrottle_tasklet(struct tasklet_struct *t)
 {
-	struct hso_serial *serial = (struct hso_serial *)data;
+	struct hso_serial *serial = from_tasklet(serial, t,
+						 unthrottle_tasklet);
 	unsigned long flags;
 
 	spin_lock_irqsave(&serial->serial_lock, flags);
@@ -1264,9 +1265,8 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
 		serial->rx_state = RX_IDLE;
 		/* Force default termio settings */
 		_hso_serial_set_termios(tty, NULL);
-		tasklet_init(&serial->unthrottle_tasklet,
-			     hso_unthrottle_tasklet,
-			     (unsigned long)serial);
+		tasklet_setup(&serial->unthrottle_tasklet,
+			      hso_unthrottle_tasklet);
 		result = hso_start_serial_device(serial->parent, GFP_KERNEL);
 		if (result) {
 			hso_stop_serial_device(serial->parent);