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>
This commit is contained in:
Johan Hedberg 2012-07-16 16:12:10 +03:00 committed by Gustavo Padovan
parent 40f10224df
commit dac670b976

View File

@ -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()