Bluetooth: Simplify hci_uart_tty_close logic

This patch cleans up and reduces indentation in the hci_uart_tty_close
function.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 142f49cde84852630edd45725d40df4ae882ab5f..b6d1f200401a4f04d0a449706e8b955c75c5fdf5 100644 (file)
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -286,28 +286,29 @@ static int hci_uart_tty_open(struct tty_struct *tty)
 static void hci_uart_tty_close(struct tty_struct *tty)
 {
        struct hci_uart *hu = (void *)tty->disc_data;
+       struct hci_dev *hdev;
 
        BT_DBG("tty %p", tty);
 
        /* Detach from the tty */
        tty->disc_data = NULL;
 
-       if (hu) {
-               struct hci_dev *hdev = hu->hdev;
+       if (!hu)
+               return;
 
-               if (hdev)
-                       hci_uart_close(hdev);
+       hdev = hu->hdev;
+       if (hdev)
+               hci_uart_close(hdev);
 
-               if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
-                       if (hdev) {
-                               hci_unregister_dev(hdev);
-                               hci_free_dev(hdev);
-                       }
-                       hu->proto->close(hu);
+       if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
+               if (hdev) {
+                       hci_unregister_dev(hdev);
+                       hci_free_dev(hdev);
                }
-
-               kfree(hu);
+               hu->proto->close(hu);
        }
+
+       kfree(hu);
 }
 
 /* hci_uart_tty_wakeup()