From patchwork Sat Mar 18 23:53:42 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: 664849 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 0E9DEC7619A for ; Sat, 18 Mar 2023 23:54:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229640AbjCRXyy (ORCPT ); Sat, 18 Mar 2023 19:54:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229648AbjCRXyr (ORCPT ); Sat, 18 Mar 2023 19:54:47 -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 CCE4B19699 for ; Sat, 18 Mar 2023 16:54:45 -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 1pdgNm-00042A-QG; Sun, 19 Mar 2023 00:54:42 +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 ) id 1pdgNl-0056Zk-Rl; Sun, 19 Mar 2023 00:54:41 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pdgNk-005zTs-U9; Sun, 19 Mar 2023 00:54:40 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Helge Deller , Javier Martinez Canillas , Thomas Zimmermann Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, kernel@pengutronix.de Subject: [PATCH 05/51] video: fbdev: broadsheetfb: Convert to platform remove callback returning void Date: Sun, 19 Mar 2023 00:53:42 +0100 Message-Id: <20230318235428.272091-6-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 X-Developer-Signature: v=1; a=openpgp-sha256; l=1621; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=VgwZokMV1vu+3tlRHHL/flQpGrx/iRGlfVD7lGhT1RU=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBkFk6s49ZQXYq/Xq+8IfpiK7tIGUo+73fjRJPv8 W92nea4HxOJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZBZOrAAKCRCPgPtYfRL+ Tjw/B/0UYkquKvFjfHEJZxhFlDnXF2qQv4FRjCzd25MyLPbzU3/Y2ENtDFzOz059sRqJ3oQZc0h MpJIPaMiHNqRWzJPViL0chSlgYj2NZqIgZVd7sNlgteKomIkDk+pi3zn6C7+94CC2rCM9u5hNcJ QWkTHvWJWNFhz7rGHT2OCTP1Btw/PiidtFPcCg9nVUKhB5zKpmc7h6n6M2PYPt58Ixw0XysjzME IDTXAmDJT7arXBSSbgCCRTjxrThsRY7JPR5fq0mF/uSfIQs3wpPqFEGPdmO/j7FEupFigrp2KdB pESQqGoYVYYbxTOXl8BHIk61x/bmKyhpptyWMuq9HTqPiOG3 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-fbdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@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/video/fbdev/broadsheetfb.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/video/fbdev/broadsheetfb.c b/drivers/video/fbdev/broadsheetfb.c index 55e62dd96f9b..b518cacbf7cd 100644 --- a/drivers/video/fbdev/broadsheetfb.c +++ b/drivers/video/fbdev/broadsheetfb.c @@ -1193,7 +1193,7 @@ static int broadsheetfb_probe(struct platform_device *dev) } -static int broadsheetfb_remove(struct platform_device *dev) +static void broadsheetfb_remove(struct platform_device *dev) { struct fb_info *info = platform_get_drvdata(dev); @@ -1209,12 +1209,11 @@ static int broadsheetfb_remove(struct platform_device *dev) module_put(par->board->owner); framebuffer_release(info); } - return 0; } static struct platform_driver broadsheetfb_driver = { .probe = broadsheetfb_probe, - .remove = broadsheetfb_remove, + .remove_new = broadsheetfb_remove, .driver = { .name = "broadsheetfb", },