[PATCH 04/19] NFC: nci: Remove dead code

From	Peter Hurley <peter@hurleysoftware.com>
Newsgroups	linux.kernel
Subject	[PATCH 04/19] NFC: nci: Remove dead code
Date	2015-11-27 22:40 +0100
Message-ID	<qzyUh-8cQ-7@gated-at.bofh.it> (permalink)
References	<qzyUh-8cQ-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

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@openbossa.org>
Cc: Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: <linux-wireless@vger.kernel.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
---
 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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH 04/19] NFC: nci: Remove dead code Peter Hurley <peter@hurleysoftware.com> - 2015-11-27 22:40 +0100

csiph-web