From patchwork Fri Oct 20 07:55:58 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: 736432 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 D9ADCC001DF for ; Fri, 20 Oct 2023 07:57:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376481AbjJTH5S (ORCPT ); Fri, 20 Oct 2023 03:57:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1376508AbjJTH45 (ORCPT ); Fri, 20 Oct 2023 03:56:57 -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 066CED7A for ; Fri, 20 Oct 2023 00:56:44 -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 1qtkN6-0003dM-Mo; Fri, 20 Oct 2023 09:56:40 +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 1qtkN4-002yWG-Pg; Fri, 20 Oct 2023 09:56:38 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qtkN4-002OKX-Ga; Fri, 20 Oct 2023 09:56:38 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Herbert Xu , "David S. Miller" Cc: linux-crypto@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 36/42] crypto: sa2ul - Convert to platform remove callback returning void Date: Fri, 20 Oct 2023 09:55:58 +0200 Message-ID: <20231020075521.2121571-80-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231020075521.2121571-44-u.kleine-koenig@pengutronix.de> References: <20231020075521.2121571-44-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1686; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=Aq3je/SuIFI0BUC/13Ds8/g4ZpAP1by27NY2YIFlN6Q=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlMjKTXY1jCFSa5bsS59e3knZYxtJ8qeIoRr195 BTcqfhshoCJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZTIykwAKCRCPgPtYfRL+ TjZsB/0QSrCYq9FWZarcHBDbAOZtbTKic7kNHj+liJ0TKBXoRj5HG4iHG9drMQvZB8LuXHrLhwF MZMGNJACtpBacQjQiAmr+awzGeEI+0xVZvNy//zFVgQaF1Id/raxyrzFInAuMFI5MZPCntZ2YjK vmR7Sf91+cbSw/BIoUJcEG5ev6ZXAWgk4ViS9WgOF9bXlxJyPPkb7A2l9PYsAWNNI9q3zqTHeIh oqca3DTdtH3NvrQgdw3PzCGvCDzLTK1VTCzmvcoJVBvsxzO2oX32zY4X/+fLV7LLrIxW28Ini/e wGdjxmV1AW2nEHNenxei7HzYJM5CrGXvFa71yM3vej7vYtAq 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: linux-crypto@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@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/crypto/sa2ul.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c index 6238d34f8db2..6846a8429574 100644 --- a/drivers/crypto/sa2ul.c +++ b/drivers/crypto/sa2ul.c @@ -2468,7 +2468,7 @@ static int sa_ul_probe(struct platform_device *pdev) return ret; } -static int sa_ul_remove(struct platform_device *pdev) +static void sa_ul_remove(struct platform_device *pdev) { struct sa_crypto_data *dev_data = platform_get_drvdata(pdev); @@ -2486,13 +2486,11 @@ static int sa_ul_remove(struct platform_device *pdev) pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - - return 0; } static struct platform_driver sa_ul_driver = { .probe = sa_ul_probe, - .remove = sa_ul_remove, + .remove_new = sa_ul_remove, .driver = { .name = "saul-crypto", .of_match_table = of_match,