From patchwork Fri Nov 10 15:29:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 743324 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 984EFC4167B for ; Fri, 10 Nov 2023 18:27:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345683AbjKJS1O (ORCPT ); Fri, 10 Nov 2023 13:27:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345758AbjKJSZr (ORCPT ); Fri, 10 Nov 2023 13:25:47 -0500 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [IPv6:2a0a:edc0:2:b01:1d::104]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8A173AE12 for ; Fri, 10 Nov 2023 07:30:58 -0800 (PST) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1r1TT5-0006NU-Fo; Fri, 10 Nov 2023 16:30:47 +0100 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1r1TT4-0083Ka-71; Fri, 10 Nov 2023 16:30:46 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1r1TT3-00Gnwo-U3; Fri, 10 Nov 2023 16:30:45 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Greg Kroah-Hartman , Jiri Slaby Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org, kernel@pengutronix.de, linux-serial@vger.kernel.org Subject: [PATCH 31/52] serial: qcom_geni: Convert to platform remove callback returning void Date: Fri, 10 Nov 2023 16:29:59 +0100 Message-ID: <20231110152927.70601-32-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.42.0.586.gbc5204569f7d.dirty In-Reply-To: <20231110152927.70601-1-u.kleine-koenig@pengutronix.de> References: <20231110152927.70601-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2137; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=jSi3z2or1rdpGNyOiJdggwaRQkzjjaHHI+qrhcFS8qE=; b=owGbwMvMwMXY3/A7olbonx/jabUkhlQ/n/o/xgXSPPabC8Q2PtD8+jPCUyrTzc1iYuyUDi3xL ZXnFnzuZDRmYWDkYpAVU2Sxb1yTaVUlF9m59t9lmEGsTCBTGLg4BWAiaiwcDB21eRahC5vZfv/R MNTjOqW8p7RS75CRZHtMaEJhZ5hdidxplekqMbrMa3r+FjzVWO0vKsrSM2/Cx7Ou6S5WDvfeFW5 silo06U1Tzu87OzmcemT6ds7b8TlVqU8z/+6LTd8OGW3ee/7K5VAbzi+a1R2nfj/QNwtbYawu7q 02+cT3J6rLHjZ8D9mX3q8XIN1atepy6t75lpy72G6+W/DSKfBrheaCFfWzXggXHqm+eWy3h1O+g RgLK08U2/riCfnxeZLJ79/UxbRYBFd1/mH4fLTm7vzHgdZGTK5sC3TcDVdHW4T6PvN9r6wzv1t3 ifSSfre4ebyRAef4ueY0eYlV9DrWdbtvLaz0n3BOaT8A X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-serial@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König --- drivers/tty/serial/qcom_geni_serial.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 7e78f97e8f43..e63a8fbe63bd 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1696,7 +1696,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) return 0; } -static int qcom_geni_serial_remove(struct platform_device *pdev) +static void qcom_geni_serial_remove(struct platform_device *pdev) { struct qcom_geni_serial_port *port = platform_get_drvdata(pdev); struct uart_driver *drv = port->private_data.drv; @@ -1704,8 +1704,6 @@ static int qcom_geni_serial_remove(struct platform_device *pdev) dev_pm_clear_wake_irq(&pdev->dev); device_init_wakeup(&pdev->dev, false); uart_remove_one_port(drv, &port->uport); - - return 0; } static int qcom_geni_serial_sys_suspend(struct device *dev) @@ -1805,7 +1803,7 @@ static const struct of_device_id qcom_geni_serial_match_table[] = { MODULE_DEVICE_TABLE(of, qcom_geni_serial_match_table); static struct platform_driver qcom_geni_serial_platform_driver = { - .remove = qcom_geni_serial_remove, + .remove_new = qcom_geni_serial_remove, .probe = qcom_geni_serial_probe, .driver = { .name = "qcom_geni_serial",