From patchwork Sun Mar 26 14:31:27 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: 13188212 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 CAE78C761AF for ; Sun, 26 Mar 2023 14:33:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232475AbjCZOdp (ORCPT ); Sun, 26 Mar 2023 10:33:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231989AbjCZOcx (ORCPT ); Sun, 26 Mar 2023 10:32:53 -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 71FFA658D for ; Sun, 26 Mar 2023 07:32:51 -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 1pgRQI-0008RZ-RV; Sun, 26 Mar 2023 16:32:42 +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 1pgRQF-006rdH-KI; Sun, 26 Mar 2023 16:32:39 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pgRQE-0088Xc-DI; Sun, 26 Mar 2023 16:32:38 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Dafna Hirschfeld , Mauro Carvalho Chehab , Heiko Stuebner Cc: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de Subject: [PATCH 060/117] media: rkisp1-dev: Convert to platform remove callback returning void Date: Sun, 26 Mar 2023 16:31:27 +0200 Message-Id: <20230326143224.572654-63-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=1786; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=Las+mkTmyDmRr0fHmoy+1HXOXOBTIkYgBinmFYNv/w4=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBkIFbOhKe5iFEeZtaIE2yURCxYMuGQRmTh1Y9LN B+ToOKPFUSJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZCBWzgAKCRCPgPtYfRL+ TsngCACG7ACjJvUnzOuiMw/JoBsfe+H9JvMXYxc513dmVUlhNII4PUM+agoqvv2x87UqHjY8yZA k9X5H/WjbP839F1NxO3pT7eE3oDsbrpkBcN0uzvnarW+NM15qArGWUIe7jmx+zwEEUIAbDDodbu SAUaJscUYoxdPnU4D2w7w1FU7o47/V1jAvvQcBmz41tI5xa4YqBDvCVJWm2DfwKPkpulaEWaIfI ov521B2oGEwUPJcw5ehFyLz3SthvMmaCfyoduz7+4oUrRB+bPoh2r8MTcdKipJUlT7AnB1VcdRk Y8vuYZWcbEMStbNbNUWT7MaZF6a3ohYbwtIV/f8CHKe21Hy5 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 --- drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c index f2475c6235ea..4762cb32353d 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c @@ -622,7 +622,7 @@ static int rkisp1_probe(struct platform_device *pdev) return ret; } -static int rkisp1_remove(struct platform_device *pdev) +static void rkisp1_remove(struct platform_device *pdev) { struct rkisp1_device *rkisp1 = platform_get_drvdata(pdev); @@ -638,8 +638,6 @@ static int rkisp1_remove(struct platform_device *pdev) v4l2_device_unregister(&rkisp1->v4l2_dev); pm_runtime_disable(&pdev->dev); - - return 0; } static struct platform_driver rkisp1_drv = { @@ -649,7 +647,7 @@ static struct platform_driver rkisp1_drv = { .pm = &rkisp1_pm_ops, }, .probe = rkisp1_probe, - .remove = rkisp1_remove, + .remove_new = rkisp1_remove, }; module_platform_driver(rkisp1_drv);