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[2620:137:e000::3:4]) by mx.google.com with ESMTPS id i7-20020a17090a64c700b0026d46757b20si9534926pjm.149.2023.09.25.04.13.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Sep 2023 04:13:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) client-ip=2620:137:e000::3:4; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id 92D568023907; Mon, 25 Sep 2023 02:57:44 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230081AbjIYJ5h (ORCPT + 29 others); Mon, 25 Sep 2023 05:57:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230396AbjIYJ4W (ORCPT ); Mon, 25 Sep 2023 05:56:22 -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 6995E19A for ; Mon, 25 Sep 2023 02:55:52 -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 1qkiJZ-0007z4-7v; Mon, 25 Sep 2023 11:55:41 +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 1qkiJY-008pzv-E0; Mon, 25 Sep 2023 11:55:40 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qkiJY-004dll-4k; Mon, 25 Sep 2023 11:55:40 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Andy Gross , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 22/40] soc/qcom: qcom_aoss: Convert to platform remove callback returning void Date: Mon, 25 Sep 2023 11:55:13 +0200 Message-Id: <20230925095532.1984344-23-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230925095532.1984344-1-u.kleine-koenig@pengutronix.de> References: <20230925095532.1984344-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1739; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=T1sLDxR+kGoYzoTaFBI1Nuu59dqPzKlYkoYyT+dImvY=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlEVhYTppoFE9VnRzAm5U5zwf2Aj1+tSfVwhRr6 Gcqaa6lDnyJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZRFYWAAKCRCPgPtYfRL+ TpZKB/kBrH/g4dHqPBiq925EB/ut0fjDxv7hZauNhlFCuocP/3CcU8c61yphN0kbBfZSDDMiItC c6k6JePZql1xJ8uSvP46r36Kgck+IrGBxxklBzHGQmgJKHH/LlNgGhV91cUmKTthvgs2ZjQeCPS y68Cp3vijmBbm63mpnF4sEhxKUKoiSXbpeONvigO8n6Ktm7VD2yr5mpx6xNiOqak9t8n9+9G8QE ZW3xzp+A+cKNoq+5yzV5Cd0A/D4bwrlVX2a/K8d3VeAxB2K76UZDDPYFx7SqA2v1OOXa4298N+Q uj+b+XvLysqm0Nvj1FtnuUnl+ctXS2e84qQSmgw+yfV3VnoP 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-kernel@vger.kernel.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Mon, 25 Sep 2023 02:57:44 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778007817557323098 X-GMAIL-MSGID: 1778007817557323098 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/soc/qcom/qcom_aoss.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c index 77f0cf126629..e6f16b0f6160 100644 --- a/drivers/soc/qcom/qcom_aoss.c +++ b/drivers/soc/qcom/qcom_aoss.c @@ -533,7 +533,7 @@ static int qmp_probe(struct platform_device *pdev) return ret; } -static int qmp_remove(struct platform_device *pdev) +static void qmp_remove(struct platform_device *pdev) { struct qmp *qmp = platform_get_drvdata(pdev); @@ -542,8 +542,6 @@ static int qmp_remove(struct platform_device *pdev) qmp_close(qmp); mbox_free_channel(qmp->mbox_chan); - - return 0; } static const struct of_device_id qmp_dt_match[] = { @@ -565,7 +563,7 @@ static struct platform_driver qmp_driver = { .suppress_bind_attrs = true, }, .probe = qmp_probe, - .remove = qmp_remove, + .remove_new = qmp_remove, }; module_platform_driver(qmp_driver);