Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752644AbaFMHlc (ORCPT ); Fri, 13 Jun 2014 03:41:32 -0400 Received: from mail-pd0-f172.google.com ([209.85.192.172]:41949 "EHLO mail-pd0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752573AbaFMHla (ORCPT ); Fri, 13 Jun 2014 03:41:30 -0400 Date: Fri, 13 Jun 2014 16:40:35 +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 3/9] staging: dgap: introduce dgap_tty_free() for freeing channels. Message-ID: <20140613074035.GA31603@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 It should be called after dgap_tty_register_ports() is failed. So channels which are allocated in dgap_tty_init() will be freed. Signed-off-by: Daeseok Youn --- drivers/staging/dgap/dgap.c | 17 ++++++++++++++++- 1 files changed, 16 insertions(+), 1 deletions(-) diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c index 352eb1b..eab8fd5 100644 --- a/drivers/staging/dgap/dgap.c +++ b/drivers/staging/dgap/dgap.c @@ -123,6 +123,7 @@ static void dgap_tty_send_xchar(struct tty_struct *tty, char ch); static int dgap_tty_register(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 *); static void dgap_carrier(struct channel_t *ch); static void dgap_input(struct channel_t *ch); @@ -960,8 +961,10 @@ static int dgap_firmware_load(struct pci_dev *pdev, int card_type) return ret; ret = dgap_tty_register_ports(brd); - if (ret) + if (ret) { + dgap_tty_free(brd); return ret; + } brd->state = BOARD_READY; brd->dpastatus = BD_RUNNING; @@ -1488,6 +1491,18 @@ free_chan: } /* + * dgap_tty_free() + * + * Free the channles which are allocated in dgap_tty_init(). + */ +static void dgap_tty_free(struct board_t *brd) +{ + int i; + + for (i = 0; i < brd->nasync; i++) + kfree(brd->channels[i]); +} +/* * dgap_cleanup_tty() * * Uninitialize the TTY portion of this driver. Free all memory and -- 1.7.1 -- 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/