From patchwork Fri Mar 3 17:20:20 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: 13159130 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 950C9C7EE43 for ; Fri, 3 Mar 2023 17:21:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231644AbjCCRV0 (ORCPT ); Fri, 3 Mar 2023 12:21:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231618AbjCCRVM (ORCPT ); Fri, 3 Mar 2023 12:21:12 -0500 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 18D954DE3E for ; Fri, 3 Mar 2023 09:21:08 -0800 (PST) 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 1pY95d-00071W-Un; Fri, 03 Mar 2023 18:21:05 +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 1pY95d-001bnn-3Z; Fri, 03 Mar 2023 18:21:05 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pY95c-001tm3-D0; Fri, 03 Mar 2023 18:21:04 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Mark Brown Cc: linux-spi@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 66/87] spi: sh: Convert to platform remove callback returning void Date: Fri, 3 Mar 2023 18:20:20 +0100 Message-Id: <20230303172041.2103336-67-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230303172041.2103336-1-u.kleine-koenig@pengutronix.de> References: <20230303172041.2103336-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1571; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=7oroaFd5EHRJUaqjBjhzjnnyD5fH0iV0ap8yQsUg5H0=; b=owEBbQGS/pANAwAKAcH8FHityuwJAcsmYgBkAiwMXNQLqrNzJse4lMsVo5r/0O7YarRF3bcWd xaxREKg5n2JATMEAAEKAB0WIQR+cioWkBis/z50pAvB/BR4rcrsCQUCZAIsDAAKCRDB/BR4rcrs CexQB/9OlWJvcTk+x8Z10C5tvmG1O7cYcXe23R6oKPadSSuebdzaoPCVqYe058vxqNVv0/lpO9W 53OhWr5D9cwamMLo0Uo+S8hHasOWJ++DpGdgSDMwORx8ZmSlEHVUocboufhlbarfRVxXaS5GC2M p41BBygkfWqwAcNOpsWE5zRlszE9i0dlLzXwrVgyz8QysNaebqrF8ZlpUN/OtXKRRHmiChwUnuF /3TAkg6wlQ38KMdsN72EXNA0aK4yUoQDDnok92/f9QORn2hC3h09ODVVZKvZJoHeREtx2T3yypz 9CvYWE9t9pwEGEe8c9AKfR/0iEwH0OMW1JjwG+QgxAVv5NMy 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-spi@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@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/spi/spi-sh.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c index 3e72fad99adf..d358a2a9c3f5 100644 --- a/drivers/spi/spi-sh.c +++ b/drivers/spi/spi-sh.c @@ -377,14 +377,12 @@ static irqreturn_t spi_sh_irq(int irq, void *_ss) return IRQ_HANDLED; } -static int spi_sh_remove(struct platform_device *pdev) +static void spi_sh_remove(struct platform_device *pdev) { struct spi_sh_data *ss = platform_get_drvdata(pdev); spi_unregister_master(ss->master); free_irq(ss->irq, ss); - - return 0; } static int spi_sh_probe(struct platform_device *pdev) @@ -461,7 +459,7 @@ static int spi_sh_probe(struct platform_device *pdev) static struct platform_driver spi_sh_driver = { .probe = spi_sh_probe, - .remove = spi_sh_remove, + .remove_new = spi_sh_remove, .driver = { .name = "sh_spi", },