From patchwork Wed Sep 27 08:10:34 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: 13400331 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 9516BE810A4 for ; Wed, 27 Sep 2023 08:11:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230123AbjI0ILE (ORCPT ); Wed, 27 Sep 2023 04:11:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229981AbjI0ILA (ORCPT ); Wed, 27 Sep 2023 04:11:00 -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 EFEAB1BF for ; Wed, 27 Sep 2023 01:10:55 -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-00088U-6A; 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-009I86-Bi; 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-005BRO-2L; Wed, 27 Sep 2023 10:10:50 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Vadim Pasternak , 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 21/27] platform/x86: mlx-platform: Convert to platform remove callback returning void Date: Wed, 27 Sep 2023 10:10:34 +0200 Message-Id: <20230927081040.2198742-22-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=1872; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=ILwP6aWMlmrtZMvtX94OUtej0Lbs5BrrWeR7MH34P5I=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlE+N1hK4xqTWZzb0wX5RGhN9DfoJrNIMYbqrjv ZwMFb84pqmJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZRPjdQAKCRCPgPtYfRL+ TnDNCAC1bBjNG/Jzg+Ikvd+wXLT+hFG5iiOSoxvDjI+umm43Idt+j8Ih/NrtB/JiJHTuqRxaUVe 74nsieW0qMgNMmWyxjnQ/3sX+dm4Yr80X0Vy2Qn0XpcSyDmmNBRpdbFnbJy/ubljDw+umb/TSj0 CZQdsqOlxmL3zTaAQlw/sH0xIep3cmF1e9eqJlxlRa/fwq7M8FLJ1BWJ4Yt0ssaicF7tPeeiodl GoY9CgsYX+16Im+rvThqd2q6OcuqBs7CJiyjcVjw/qAVQ0wSnLTMsDUD12VrUph304JMlFsuSQW bF0bzMem4yI2wkSw68GMlaE6EYel5Smxz/jIUppOJ3tuQmjF 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/mlx-platform.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c index 3d96dbf79a72..03ccadee35d0 100644 --- a/drivers/platform/x86/mlx-platform.c +++ b/drivers/platform/x86/mlx-platform.c @@ -6606,7 +6606,7 @@ static int mlxplat_probe(struct platform_device *pdev) return err; } -static int mlxplat_remove(struct platform_device *pdev) +static void mlxplat_remove(struct platform_device *pdev) { struct mlxplat_priv *priv = platform_get_drvdata(mlxplat_dev); @@ -6617,7 +6617,6 @@ static int mlxplat_remove(struct platform_device *pdev) mlxplat_pre_exit(priv); mlxplat_i2c_main_exit(priv); mlxplat_post_exit(); - return 0; } static const struct acpi_device_id mlxplat_acpi_table[] = { @@ -6633,7 +6632,7 @@ static struct platform_driver mlxplat_driver = { .probe_type = PROBE_FORCE_SYNCHRONOUS, }, .probe = mlxplat_probe, - .remove = mlxplat_remove, + .remove_new = mlxplat_remove, }; static int __init mlxplat_init(void)