From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D8AAC433EF for ; Mon, 28 Mar 2022 11:59:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242147AbiC1MBb (ORCPT ); Mon, 28 Mar 2022 08:01:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242112AbiC1MB0 (ORCPT ); Mon, 28 Mar 2022 08:01:26 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 209EEE18 for ; Mon, 28 Mar 2022 04:59:46 -0700 (PDT) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4KRrmD2cyWzCr9S; Mon, 28 Mar 2022 19:57:32 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Mon, 28 Mar 2022 19:59:43 +0800 Received: from ubuntu1804.huawei.com (10.67.174.152) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Mon, 28 Mar 2022 19:59:43 +0800 From: Wang Weiyang To: , , , , , , CC: , Subject: [PATCH] tty: goldfish: Use tty_port_destroy() to destroy port Date: Mon, 28 Mar 2022 19:58:44 +0800 Message-ID: <20220328115844.86032-1-wangweiyang2@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.174.152] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In goldfish_tty_probe(), the port initialized through tty_port_init() should be destroyed in error paths.In goldfish_tty_remove(), qtty->port also should be destroyed or else might leak resources. Fix the above by calling tty_port_destroy(). Fixes: 666b7793d4bf ("goldfish: tty driver") Signed-off-by: Wang Weiyang --- drivers/tty/goldfish.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index ad13532e92fe..9e1168c39e77 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -405,6 +405,7 @@ static int goldfish_tty_probe(struct platform_device *pdev) err_tty_register_device_failed: free_irq(irq, qtty); err_dec_line_count: + tty_port_destroy(&qtty->port); goldfish_tty_current_line_count--; if (goldfish_tty_current_line_count == 0) goldfish_tty_delete_driver(); @@ -426,6 +427,7 @@ static int goldfish_tty_remove(struct platform_device *pdev) iounmap(qtty->base); qtty->base = NULL; free_irq(qtty->irq, pdev); + tty_port_destroy(&qtty->port); goldfish_tty_current_line_count--; if (goldfish_tty_current_line_count == 0) goldfish_tty_delete_driver(); -- 2.17.1