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=ham 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 B0D0CC4167E for ; Mon, 13 Sep 2021 13:38:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9CD9A61263 for ; Mon, 13 Sep 2021 13:38:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243849AbhIMNkH (ORCPT ); Mon, 13 Sep 2021 09:40:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:34930 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241060AbhIMNhO (ORCPT ); Mon, 13 Sep 2021 09:37:14 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B9535613C8; Mon, 13 Sep 2021 13:28:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631539689; bh=VGfrlLeyZpJAMnY7uRbr2GjzlXrk2XeA58ScRZnuOnY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uyG9tBhul0WVCUD10X0XVmKUiokxWJZH5ZW6W/CNsd0cUgisP+FMck9zZgP0kqQLD AiiDlzbQCe3CmYOORomlm4OWO7YhWbR6UDEDQPmvmE4QS/ew6C6dyUu3TAhX+3++VJ H1zl5+5KEtresQF88gimd6qwXQFyu8rGwvNxyjq4= 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 5.10 121/236] leds: lt3593: Put fwnode in any case during ->probe() Date: Mon, 13 Sep 2021 15:13:46 +0200 Message-Id: <20210913131104.472980166@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210913131100.316353015@linuxfoundation.org> References: <20210913131100.316353015@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: stable@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 68e06434ac08..7dab08773a34 100644 --- a/drivers/leds/leds-lt3593.c +++ b/drivers/leds/leds-lt3593.c @@ -99,10 +99,9 @@ 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; - } platform_set_drvdata(pdev, led_data); -- 2.30.2