From patchwork Sun Mar 26 14:30:32 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: 13188130 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 B71E9C77B61 for ; Sun, 26 Mar 2023 14:32:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232362AbjCZOcg (ORCPT ); Sun, 26 Mar 2023 10:32:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232323AbjCZOce (ORCPT ); Sun, 26 Mar 2023 10:32:34 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B66AF59DB for ; Sun, 26 Mar 2023 07:32:32 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pgRQ4-0007lN-Qf; Sun, 26 Mar 2023 16:32:28 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pgRQ4-006rZC-4F; Sun, 26 Mar 2023 16:32:28 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pgRQ2-0088U6-JU; Sun, 26 Mar 2023 16:32:26 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Neil Armstrong , Hans Verkuil , Mauro Carvalho Chehab , Kevin Hilman Cc: Jerome Brunet , Martin Blumenstingl , linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de Subject: [PATCH 005/117] media: ao-cec: Convert to platform remove callback returning void Date: Sun, 26 Mar 2023 16:30:32 +0200 Message-Id: <20230326143224.572654-8-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230326143224.572654-1-u.kleine-koenig@pengutronix.de> References: <20230326143224.572654-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1917; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=T42yo2zTTmIkn3GXSFDOaa/xozG97/RfNm55diexSxI=; b=owGbwMvMwMXY3/A7olbonx/jabUkhhSFsJovD344vJ19Nu3j9tuvcjkPH01uN1b2VZC26H36b 1vXTO9pnYzGLAyMXAyyYoos9o1rMq2q5CI71/67DDOIlQlkCgMXpwBMZMYCDoZOlmdfKxeylh38 lMt5wERbf8WFaq/GQGH5Sn2xpErPvyfjAy4fv/r83K2bHRJqXoX2J8uDo0OuXG7Sd/xkZeCpdjB gxu/88iklj4OcNuZKrPNMVYu4retkYd528P37NVmc+VYMBhHXM1vSlNmetLL28LxJSuruPJR/W6 v3+NUl+u28m1sbjSzCyrZlXImrzk943WZasXL7f9XbiY93nTxbs7F+tmJW7temi6/f+703u1K8J 7Uq7dbFnEeLjtWba5n8nvby0uvGD40CQd98izLrbk34+s80S9NI+5uoU5SA7++m0N1PtaV+W6om TpK+5CNlbNO25ALr8buOYl/MXnAfmPbnpezztVvazWrMAQ== 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.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@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 (mostly) ignored 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. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Reviewed-by: Martin Blumenstingl --- drivers/media/cec/platform/meson/ao-cec.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/cec/platform/meson/ao-cec.c b/drivers/media/cec/platform/meson/ao-cec.c index 6b440f0635d9..f6f51a34f7bd 100644 --- a/drivers/media/cec/platform/meson/ao-cec.c +++ b/drivers/media/cec/platform/meson/ao-cec.c @@ -696,7 +696,7 @@ static int meson_ao_cec_probe(struct platform_device *pdev) return ret; } -static int meson_ao_cec_remove(struct platform_device *pdev) +static void meson_ao_cec_remove(struct platform_device *pdev) { struct meson_ao_cec_device *ao_cec = platform_get_drvdata(pdev); @@ -704,8 +704,6 @@ static int meson_ao_cec_remove(struct platform_device *pdev) cec_notifier_cec_adap_unregister(ao_cec->notify, ao_cec->adap); cec_unregister_adapter(ao_cec->adap); - - return 0; } static const struct of_device_id meson_ao_cec_of_match[] = { @@ -716,7 +714,7 @@ MODULE_DEVICE_TABLE(of, meson_ao_cec_of_match); static struct platform_driver meson_ao_cec_driver = { .probe = meson_ao_cec_probe, - .remove = meson_ao_cec_remove, + .remove_new = meson_ao_cec_remove, .driver = { .name = "meson-ao-cec", .of_match_table = of_match_ptr(meson_ao_cec_of_match),