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Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/hci_ldisc.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 71a4ca505e09..5ed2cfa7da1d 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -593,7 +593,7 @@ static void hci_uart_tty_wakeup(struct tty_struct *tty)
* Return Value: None
*/
static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data,
- char *flags, int count)
+ const char *flags, int count)
{
struct hci_uart *hu = tty->disc_data;
@@ -821,6 +821,7 @@ static __poll_t hci_uart_tty_poll(struct tty_struct *tty,
static struct tty_ldisc_ops hci_uart_ldisc = {
.owner = THIS_MODULE,
+ .num = N_HCI,
.name = "n_hci",
.open = hci_uart_tty_open,
.close = hci_uart_tty_close,
@@ -840,7 +841,7 @@ static int __init hci_uart_init(void)
BT_INFO("HCI UART driver ver %s", VERSION);
/* Register the tty discipline */
- err = tty_register_ldisc(N_HCI, &hci_uart_ldisc);
+ err = tty_register_ldisc(&hci_uart_ldisc);
if (err) {
BT_ERR("HCI line discipline registration failed. (%d)", err);
return err;
@@ -882,8 +883,6 @@ static int __init hci_uart_init(void)
static void __exit hci_uart_exit(void)
{
- int err;
-
#ifdef CONFIG_BT_HCIUART_H4
h4_deinit();
#endif
@@ -915,10 +914,7 @@ static void __exit hci_uart_exit(void)
mrvl_deinit();
#endif
- /* Release tty registration of line discipline */
- err = tty_unregister_ldisc(N_HCI);
- if (err)
- BT_ERR("Can't unregister HCI line discipline (%d)", err);
+ tty_unregister_ldisc(&hci_uart_ldisc);
}
module_init(hci_uart_init);