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 X-Spam-Level: X-Spam-Status: No, score=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 110B5C47E4D for ; Wed, 14 Jul 2021 19:42:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ECE57613F9 for ; Wed, 14 Jul 2021 19:42:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237102AbhGNTpP (ORCPT ); Wed, 14 Jul 2021 15:45:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:38034 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235733AbhGNTnF (ORCPT ); Wed, 14 Jul 2021 15:43:05 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id F2CC4600D4; Wed, 14 Jul 2021 19:40:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626291613; bh=MhlHhY1agYYtzBqt09Hw4336F4Nu3+PK1eJjW4GESKE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Tl/YctwMAyhC+9NVnAQRZQvwxYwCcI3jLclXRFZW6asQ/+lM7IA62r49rauhskFDq utDXuPtIVMnVA7uavtMyaoTtWUn00d8LCkPFCuwHaUHCsVAttK+MpXAJHXRKiqfmDF KWpHsqUwPUVcAA8Zkj0vtikSJuGFAXOZy9BYS2nMc2BmbTvVJ2AN6cWAYFfMRqBFeR +BRDg3OPeUSPap0IY209zmyCBCENuzJa7OVmdjZQeyWDSaWjzHIzOoeBbvArI3TX0Q OX0SunTqdKUkg7l2i6Pt6XmRoVc1/WkdCelSHwzwU3OpVVwDZGobE6DYRTLH6Usj/N I83ND6QtV+OLQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Krzysztof Kozlowski , Chunyan Zhang , Daniel Lezcano , Sasha Levin , linux-pm@vger.kernel.org Subject: [PATCH AUTOSEL 5.13 092/108] thermal/drivers/sprd: Add missing of_node_put for loop iteration Date: Wed, 14 Jul 2021 15:37:44 -0400 Message-Id: <20210714193800.52097-92-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210714193800.52097-1-sashal@kernel.org> References: <20210714193800.52097-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Krzysztof Kozlowski [ Upstream commit d8ac5bb4ae653e092d7429a7587b73f1662d6ad7 ] Early exits from for_each_available_child_of_node() should decrement the node reference counter. Reported by Coccinelle: drivers/thermal/sprd_thermal.c:387:1-23: WARNING: Function "for_each_child_of_node" should have of_node_put() before goto around lines 391. Signed-off-by: Krzysztof Kozlowski Acked-by: Chunyan Zhang Signed-off-by: Daniel Lezcano Link: https://lore.kernel.org/r/20210614192230.19248-2-krzysztof.kozlowski@canonical.com Signed-off-by: Sasha Levin --- drivers/thermal/sprd_thermal.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c index 3682edb2f466..76a2caa9c265 100644 --- a/drivers/thermal/sprd_thermal.c +++ b/drivers/thermal/sprd_thermal.c @@ -388,7 +388,7 @@ static int sprd_thm_probe(struct platform_device *pdev) sen = devm_kzalloc(&pdev->dev, sizeof(*sen), GFP_KERNEL); if (!sen) { ret = -ENOMEM; - goto disable_clk; + goto of_put; } sen->data = thm; @@ -397,13 +397,13 @@ static int sprd_thm_probe(struct platform_device *pdev) ret = of_property_read_u32(sen_child, "reg", &sen->id); if (ret) { dev_err(&pdev->dev, "get sensor reg failed"); - goto disable_clk; + goto of_put; } ret = sprd_thm_sensor_calibration(sen_child, thm, sen); if (ret) { dev_err(&pdev->dev, "efuse cal analysis failed"); - goto disable_clk; + goto of_put; } sprd_thm_sensor_init(thm, sen); @@ -416,19 +416,20 @@ static int sprd_thm_probe(struct platform_device *pdev) dev_err(&pdev->dev, "register thermal zone failed %d\n", sen->id); ret = PTR_ERR(sen->tzd); - goto disable_clk; + goto of_put; } thm->sensor[sen->id] = sen; } + /* sen_child set to NULL at this point */ ret = sprd_thm_set_ready(thm); if (ret) - goto disable_clk; + goto of_put; ret = sprd_thm_wait_temp_ready(thm); if (ret) - goto disable_clk; + goto of_put; for (i = 0; i < thm->nr_sensors; i++) sprd_thm_toggle_sensor(thm->sensor[i], true); @@ -436,6 +437,8 @@ static int sprd_thm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, thm); return 0; +of_put: + of_node_put(sen_child); disable_clk: clk_disable_unprepare(thm->clk); return ret; -- 2.30.2