From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752742AbaFMHmn (ORCPT ); Fri, 13 Jun 2014 03:42:43 -0400 Received: from mail-pd0-f171.google.com ([209.85.192.171]:35017 "EHLO mail-pd0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750784AbaFMHmm (ORCPT ); Fri, 13 Jun 2014 03:42:42 -0400 Date: Fri, 13 Jun 2014 16:41:47 +0900 From: Daeseok Youn To: lidza.louina@gmail.com, gregkh@linuxfoundation.org Cc: markh@compro.net, dan.carpenter@oracle.com, driverdev-devel@linuxdriverproject.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/9] staging: dgap: introduce dgap_tty_unregister() Message-ID: <20140613074147.GA31615@devel.8.8.4.4> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org dgap_tty_unregister() will unregister serial_driver and print_driver, and also free related variables. Signed-off-by: Daeseok Youn --- drivers/staging/dgap/dgap.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c index 497e6f3..4ea7a33 100644 --- a/drivers/staging/dgap/dgap.c +++ b/drivers/staging/dgap/dgap.c @@ -122,6 +122,7 @@ static int dgap_tty_put_char(struct tty_struct *tty, unsigned char c); static void dgap_tty_send_xchar(struct tty_struct *tty, char ch); static int dgap_tty_register(struct board_t *brd); +static void dgap_tty_unregister(struct board_t *brd); static int dgap_tty_init(struct board_t *); static void dgap_tty_free(struct board_t *); static void dgap_cleanup_tty(struct board_t *); @@ -1320,6 +1321,14 @@ free_serial_drv: return rc; } +static void dgap_tty_unregister(struct board_t *brd) +{ + tty_unregister_driver(brd->print_driver); + tty_unregister_driver(brd->serial_driver); + put_tty_driver(brd->print_driver); + put_tty_driver(brd->serial_driver); +} + /* * dgap_tty_init() * -- 1.7.1