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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 23C1DC433FE for ; Mon, 13 Sep 2021 13:21:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0B67D6121E for ; Mon, 13 Sep 2021 13:21:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240547AbhIMNW1 (ORCPT ); Mon, 13 Sep 2021 09:22:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:35312 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240225AbhIMNVC (ORCPT ); Mon, 13 Sep 2021 09:21:02 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4BCCB60698; Mon, 13 Sep 2021 13:19:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631539183; bh=rQ5Yeo5GhD0p/1MIRkcd1uTdmIxanIN8V3aTziqonDk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hUExuFdKCVEfNYrcPKv8BHRLwcCfbvFhQQ9WzYKrShe0N2ZLn83toFwHA7KZ+2Kw8 UZa0opvuzCzhgNfMzzv8yH1iXxvht2ZOGX45YLXbscddikr0X4TavoBlwMejN8oRf2 ZmQr7k+elpQ+m9eWTr6D+8pEDx56DBQKXbyMo8Eg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Daniel Mack , Andy Shevchenko , Pavel Machek , Sasha Levin Subject: [PATCH 5.4 073/144] leds: lt3593: Put fwnode in any case during ->probe() Date: Mon, 13 Sep 2021 15:14:14 +0200 Message-Id: <20210913131050.404769959@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210913131047.974309396@linuxfoundation.org> References: <20210913131047.974309396@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andy Shevchenko [ Upstream commit 7e1baaaa2407a642ea19b58e214fab9a69cda1d7 ] device_get_next_child_node() bumps a reference counting of a returned variable. We have to balance it whenever we return to the caller. Fixes: 8cd7d6daba93 ("leds: lt3593: Add device tree probing glue") Cc: Daniel Mack Signed-off-by: Andy Shevchenko Signed-off-by: Pavel Machek Signed-off-by: Sasha Levin --- drivers/leds/leds-lt3593.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c index c94995f0daa2..03ae33093ce6 100644 --- a/drivers/leds/leds-lt3593.c +++ b/drivers/leds/leds-lt3593.c @@ -103,10 +103,9 @@ static int lt3593_led_probe(struct platform_device *pdev) init_data.default_label = ":"; ret = devm_led_classdev_register_ext(dev, &led_data->cdev, &init_data); - if (ret < 0) { - fwnode_handle_put(child); + fwnode_handle_put(child); + if (ret < 0) return ret; - } led_data->cdev.dev->of_node = dev->of_node; platform_set_drvdata(pdev, led_data); -- 2.30.2