[PATCH 03/19] bluetooth: hci_ldisc: Remove dead code

[Peter Hurley]

The N_HCI ldisc does not define a flush_buffer() ldisc method, so
the check when opening the ldisc is always false.

Cc: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Cc: Johan Hedberg <johan.hedberg@xxxxxxxxx>
Cc: <linux-bluetooth@xxxxxxxxxxxxxxx>
Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
 drivers/bluetooth/hci_ldisc.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 96bcec5..c303f87 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -461,13 +461,7 @@ 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);
 
-	/* Flush any pending characters in the driver and line discipline. */
-
-	/* FIXME: why is this needed. Note don't use ldisc_ref here as the
-	   open path is before the ldisc is referencable */
-
-	if (tty->ldisc->ops->flush_buffer)
-		tty->ldisc->ops->flush_buffer(tty);
+	/* Flush any pending characters in the driver */
 	tty_driver_flush_buffer(tty);
 
 	return 0;
-- 
2.6.3

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