| Message ID | 20230318235428.272091-42-u.kleine-koenig@pengutronix.de (mailing list archive) |
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Return-Path: <dri-devel-bounces@lists.freedesktop.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3240BC76196 for <dri-devel@archiver.kernel.org>; Sat, 18 Mar 2023 23:56:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4CE5A10E4DA; Sat, 18 Mar 2023 23:56:11 +0000 (UTC) Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id 68BD910E4A7 for <dri-devel@lists.freedesktop.org>; Sat, 18 Mar 2023 23:54:55 +0000 (UTC) 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 <ukl@pengutronix.de>) id 1pdgNt-0004Ie-SC; Sun, 19 Mar 2023 00:54:49 +0100 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 <ukl@pengutronix.de>) id 1pdgNt-0056ca-75; Sun, 19 Mar 2023 00:54:49 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from <ukl@pengutronix.de>) id 1pdgNs-005zWF-8K; Sun, 19 Mar 2023 00:54:48 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de> To: Helge Deller <deller@gmx.de>, Wolfram Sang <wsa+renesas@sang-engineering.com>, Xuezhi Zhang <zhangxuezhi1@coolpad.com> Subject: [PATCH 41/51] video: fbdev: sm501fb: Convert to platform remove callback returning void Date: Sun, 19 Mar 2023 00:54:18 +0100 Message-Id: <20230318235428.272091-42-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230318235428.272091-1-u.kleine-koenig@pengutronix.de> References: <20230318235428.272091-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Developer-Signature: v=1; a=openpgp-sha256; l=1763; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=pDC/vxi7M1WVeJfw3LTq5g2jhyRxYY/G5blZT2oqmX8=; b=owGbwMvMwMXY3/A7olbonx/jabUkhhQxv79y5syMy5wkpDy5/SbLRulwpW04NWeTzc6/hv4u9 5aYFzh3MhqzMDByMciKKbLYN67JtKqSi+xc++8yzCBWJpApDFycAjCRXTrs/0ynBstZPLH4bRkx ydC6JytxMidPpaNY24rs/MSpX+ds1kndN/eL8nNuW9FJ6g2WySqpv9t+2S2Jdlz2POPpj2uMLE7 pjVEbzj4rPb1tqcoluV2xy1gfa21TWnb/mUT74oxt/1xaEyU5O6r1HNmXJMcn7jxQe7BoQcbXN7 HWcz48mRF4hX9vYyFXyufAh4vPn7V7Jplm9T4kkaHVdNd5u4gs39AfP83ObuOZXSEXNP1YstZ/T QffJ+5XzI7cOVnL12B3tDL91RFhX/OruxLCxP/f22osxqToqVJ1YHbWIn3uydtO2ydvzLe+fqRP 43z+Io+gNPczFrH7N7OafdaX/r2pc6Vn/DNxRsmrer1TAA== X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 Content-Transfer-Encoding: 8bit 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: dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development <dri-devel.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/dri-devel> List-Post: <mailto:dri-devel@lists.freedesktop.org> List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe> Cc: linux-fbdev@vger.kernel.org, kernel@pengutronix.de, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org> |
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video: fbdev: Convert to platform remove callback returning void
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diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c index f743bfbde2a6..9a95c21203ce 100644 --- a/drivers/video/fbdev/sm501fb.c +++ b/drivers/video/fbdev/sm501fb.c @@ -2045,7 +2045,7 @@ static int sm501fb_probe(struct platform_device *pdev) /* * Cleanup */ -static int sm501fb_remove(struct platform_device *pdev) +static void sm501fb_remove(struct platform_device *pdev) { struct sm501fb_info *info = platform_get_drvdata(pdev); struct fb_info *fbinfo_crt = info->fb[0]; @@ -2064,8 +2064,6 @@ static int sm501fb_remove(struct platform_device *pdev) framebuffer_release(fbinfo_pnl); framebuffer_release(fbinfo_crt); - - return 0; } #ifdef CONFIG_PM @@ -2209,7 +2207,7 @@ static int sm501fb_resume(struct platform_device *pdev) static struct platform_driver sm501fb_driver = { .probe = sm501fb_probe, - .remove = sm501fb_remove, + .remove_new = sm501fb_remove, .suspend = sm501fb_suspend, .resume = sm501fb_resume, .driver = {
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 <u.kleine-koenig@pengutronix.de> --- drivers/video/fbdev/sm501fb.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)