From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941362AbcIZAqW (ORCPT ); Sun, 25 Sep 2016 20:46:22 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:35075 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S941143AbcIZAqU (ORCPT ); Sun, 25 Sep 2016 20:46:20 -0400 Date: Mon, 26 Sep 2016 09:43:51 +0900 From: Daeseok Youn To: lidza.louina@gmail.com Cc: markh@compro.net, gregkh@linuxfoundation.org, driverdev-devel@linuxdriverproject.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH 06/11 RESEND] staging: dgnc: introduce the dgnc_tty_unregister() Message-ID: <20160926004351.GA3868@SEL-JYOUN-D1> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The dgnc_tty_unregister() will be called when the dgnc_tty_register() is failed. Signed-off-by: Daeseok Youn --- RESEND: send the whole series again. Because I missed some patches when the V2 patches sent. drivers/staging/dgnc/dgnc_driver.c | 7 +++++-- drivers/staging/dgnc/dgnc_tty.c | 8 ++++++++ drivers/staging/dgnc/dgnc_tty.h | 1 + 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c index a95d13c..ffe55a2 100644 --- a/drivers/staging/dgnc/dgnc_driver.c +++ b/drivers/staging/dgnc/dgnc_driver.c @@ -299,13 +299,13 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) rc = dgnc_finalize_board_init(brd); if (rc < 0) { pr_err(DRVSTR ": Can't finalize board init (%d)\n", rc); - goto failed; + goto unregister_tty; } rc = dgnc_tty_init(brd); if (rc < 0) { pr_err(DRVSTR ": Can't init tty devices (%d)\n", rc); - goto failed; + goto unregister_tty; } brd->state = BOARD_READY; @@ -317,6 +317,9 @@ static int dgnc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; +unregister_tty: + dgnc_tty_unregister(brd); + failed: kfree(brd); diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index fd46ef0..893f473 100644 --- a/drivers/staging/dgnc/dgnc_tty.c +++ b/drivers/staging/dgnc/dgnc_tty.c @@ -273,6 +273,14 @@ free_serial_driver: return rc; } +void dgnc_tty_unregister(struct dgnc_board *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); +} + /* * dgnc_tty_init() * diff --git a/drivers/staging/dgnc/dgnc_tty.h b/drivers/staging/dgnc/dgnc_tty.h index 21d3369..f065c8f 100644 --- a/drivers/staging/dgnc/dgnc_tty.h +++ b/drivers/staging/dgnc/dgnc_tty.h @@ -19,6 +19,7 @@ #include "dgnc_driver.h" int dgnc_tty_register(struct dgnc_board *brd); +void dgnc_tty_unregister(struct dgnc_board *brd); int dgnc_tty_preinit(void); int dgnc_tty_init(struct dgnc_board *); -- 1.9.1