diff options
Diffstat (limited to 'drivers/bluetooth/hci_ldisc.c')
-rw-r--r-- | drivers/bluetooth/hci_ldisc.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 0d5a05a7c1fd..ad66c690d272 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -470,8 +470,6 @@ static int hci_uart_tty_open(struct tty_struct *tty) INIT_WORK(&hu->init_ready, hci_uart_init_work); INIT_WORK(&hu->write_work, hci_uart_write_work); - spin_lock_init(&hu->rx_lock); - /* Flush any pending characters in the driver and line discipline. */ /* FIXME: why is this needed. Note don't use ldisc_ref here as the @@ -569,14 +567,14 @@ static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data, if (!test_bit(HCI_UART_PROTO_SET, &hu->flags)) return; - spin_lock(&hu->rx_lock); + /* It does not need a lock here as it is already protected by a mutex in + * tty caller + */ hu->proto->recv(hu, data, count); if (hu->hdev) hu->hdev->stat.byte_rx += count; - spin_unlock(&hu->rx_lock); - tty_unthrottle(tty); } |