Bluetooth: hci_qca: Refactor error handling in qca_suspend()

If waiting for IBS sleep times out jump to the error handler, this is
easier to read than multiple 'if' branches and a fall through to the
error handler.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/hci_qca.c

@@ -2107,18 +2107,16 @@ static int __maybe_unused qca_suspend(struct device *dev)
 	/* Wait for HCI_IBS_SLEEP_IND sent by device to indicate its Tx is going
 	 * to sleep, so that the packet does not wake the system later.
 	 */
-
 	ret = wait_event_interruptible_timeout(qca->suspend_wait_q,
 			qca->rx_ibs_state == HCI_IBS_RX_ASLEEP,
 			msecs_to_jiffies(IBS_BTSOC_TX_IDLE_TIMEOUT_MS));
+	if (ret == 0) {
+		ret = -ETIMEDOUT;
+		goto error;
+	}
 
-	if (ret > 0) {
 	qca_wq_serial_tx_clock_vote_off(&qca->ws_tx_vote_off);
 	return 0;
-	}
-
-	if (ret == 0)
-		ret = -ETIMEDOUT;
 
 error:
 	clear_bit(QCA_SUSPENDING, &qca->flags);