[PATCH 04/19] NFC: nci: Remove dead code
From: Peter Hurley
Date: Fri Nov 27 2015 - 16:39:50 EST
The N_NCI ldisc does not define a flush_buffer() ldisc method, so
the check when opening the ldisc is always false.
Cc: Lauro Ramos Venancio <lauro.venancio@xxxxxxxxxxxxx>
Cc: Aloisio Almeida Jr <aloisio.almeida@xxxxxxxxxxxxx>
Cc: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: <linux-wireless@xxxxxxxxxxxxxxx>
Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
net/nfc/nci/uart.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/net/nfc/nci/uart.c b/net/nfc/nci/uart.c
index 21d8875..c468eab 100644
--- a/net/nfc/nci/uart.c
+++ b/net/nfc/nci/uart.c
@@ -171,14 +171,7 @@ static int nci_uart_tty_open(struct tty_struct *tty)
tty->disc_data = NULL;
tty->receive_room = 65536;
- /* 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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