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>

1 files changed, 13 insertions, 12 deletions

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 142f49cde848..b6d1f200401a 100644
--- 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()