at86rf230: cleanup check on trac status

Signed-off-by: NAlexander Aring <alex.aring@gmail.com>
Reviewed-by: NStefan Schmidt <s.schmidt@samsung.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

drivers/net/ieee802154/at86rf230.c

@@ -749,12 +749,10 @@ at86rf230_tx_trac_check(void *context)
 	 * to STATE_FORCE_TRX_OFF then STATE_TX_ON to recover the transceiver
 	 * state to TX_ON.
 	 */
-	if (trac) {
+	if (trac)
 		at86rf230_async_state_change(lp, ctx, STATE_FORCE_TRX_OFF,
 					     at86rf230_tx_trac_error, true);
-		return;
-	}
-
+	else
 		at86rf230_tx_on(context);
 }