irda: sir_dev: Fix copy/paste typo

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/irda/sir_dev.c

@@ -222,7 +222,7 @@ static void sirdev_config_fsm(struct work_struct *work)
 			break;
 
 		case SIRDEV_STATE_DONGLE_SPEED:
-			if (dev->dongle_drv->reset) {
+			if (dev->dongle_drv->set_speed) {
 				ret = dev->dongle_drv->set_speed(dev, fsm->param);
 				if (ret < 0) {
 					fsm->result = ret;