From patchwork Wed Sep 27 08:10:35 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: 13400333 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 74F06E810A9 for ; Wed, 27 Sep 2023 08:11:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230258AbjI0ILH (ORCPT ); Wed, 27 Sep 2023 04:11:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230216AbjI0ILB (ORCPT ); Wed, 27 Sep 2023 04:11:01 -0400 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 6C75ACD5 for ; Wed, 27 Sep 2023 01:10:57 -0700 (PDT) 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 1qlPdD-00088l-69; Wed, 27 Sep 2023 10:10:51 +0200 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 1qlPdC-009I8B-Hp; Wed, 27 Sep 2023 10:10:50 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qlPdC-005BRS-8f; Wed, 27 Sep 2023 10:10:50 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Mark Gross Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 22/27] platform/x86: sel3350-platform: Convert to platform remove callback returning void Date: Wed, 27 Sep 2023 10:10:35 +0200 Message-Id: <20230927081040.2198742-23-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230927081040.2198742-1-u.kleine-koenig@pengutronix.de> References: <20230927081040.2198742-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1935; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=kGFT7lS86ctdmmkMpaZWg5zGeyf+eOIqmv/jUI2LUYo=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlE+N2rxvqD+lA8wv6scmPkLhb0cJvvDgUq/DRH HywXQsx0qGJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZRPjdgAKCRCPgPtYfRL+ ThxjCAC277WBTJ7ekvWUxkUJM+++B0FDDI0JW1ZCzWsDhRKXQ++9l2dq64Eqsc5CKqxZtsejGEr obgo10zU1xjeUNB9knrcx/+e5Qi8W9Uls0bwXxwIzFIc545sTE3rWjTO3pOQqDgRz4cOSFBH1Ea tCcY7JrSH3nh13VWr863FYmD8VTP88FfOzNZ72N7WDQI+WWL8F6PXHjAysggzy9E7fJUc8oEkMs l97t4x6qIrJ/pT1q1tZC0cPml5bAcuw3cu+NhkzcAtYWySHR3QvUtxaA3NSDHnYHBZihAfyVbG8 77HEsW+4M7RNYvoRBFIs2uDQg5HUFZqkNoDy4HXMFBRflF+/ 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: platform-driver-x86@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@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/platform/x86/sel3350-platform.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/sel3350-platform.c b/drivers/platform/x86/sel3350-platform.c index fa267d0d3778..d09e976e7148 100644 --- a/drivers/platform/x86/sel3350-platform.c +++ b/drivers/platform/x86/sel3350-platform.c @@ -218,15 +218,13 @@ static int sel3350_probe(struct platform_device *pdev) return rs; } -static int sel3350_remove(struct platform_device *pdev) +static void sel3350_remove(struct platform_device *pdev) { struct sel3350_data *sel3350 = platform_get_drvdata(pdev); platform_device_unregister(sel3350->leds_pdev); gpiod_remove_lookup_table(&sel3350_gpios_table); gpiod_remove_lookup_table(&sel3350_leds_table); - - return 0; } static const struct acpi_device_id sel3350_device_ids[] = { @@ -237,7 +235,7 @@ MODULE_DEVICE_TABLE(acpi, sel3350_device_ids); static struct platform_driver sel3350_platform_driver = { .probe = sel3350_probe, - .remove = sel3350_remove, + .remove_new = sel3350_remove, .driver = { .name = "sel3350-platform", .acpi_match_table = sel3350_device_ids,