From mboxrd@z Thu Jan 1 00:00:00 1970 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 35608C001DF for ; Fri, 20 Oct 2023 08:13:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235664AbjJTINs convert rfc822-to-8bit (ORCPT ); Fri, 20 Oct 2023 04:13:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60696 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235654AbjJTINr (ORCPT ); Fri, 20 Oct 2023 04:13:47 -0400 Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42120E8 for ; Fri, 20 Oct 2023 01:13:43 -0700 (PDT) Received: from i53875b5b.versanet.de ([83.135.91.91] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qtkdU-0002Tm-Nq; Fri, 20 Oct 2023 10:13:36 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Herbert Xu , "David S. Miller" , Uwe =?ISO-8859-1?Q?Kleine=2DK=F6nig?= Cc: Corentin Labbe , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, kernel@pengutronix.de Subject: Re: [PATCH 34/42] crypto: rockchip/rk3288 - Convert to platform remove callback returning void Date: Fri, 20 Oct 2023 10:13:35 +0200 Message-ID: <9703959.ag9G3TJQzC@diego> In-Reply-To: <20231020075521.2121571-78-u.kleine-koenig@pengutronix.de> References: <20231020075521.2121571-44-u.kleine-koenig@pengutronix.de> <20231020075521.2121571-78-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="iso-8859-1" Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Am Freitag, 20. Oktober 2023, 09:55:56 CEST schrieb Uwe Kleine-König: > 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 Reviewed-by: Heiko Stuebner