From patchwork Sat May 29 11:19:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 450176 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=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 E0156C47092 for ; Sat, 29 May 2021 11:19:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C6C48613F4 for ; Sat, 29 May 2021 11:19:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229704AbhE2LVa (ORCPT ); Sat, 29 May 2021 07:21:30 -0400 Received: from fgw20-7.mail.saunalahti.fi ([62.142.5.81]:27495 "EHLO fgw20-7.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229810AbhE2LV1 (ORCPT ); Sat, 29 May 2021 07:21:27 -0400 Received: from localhost (88-115-248-186.elisa-laajakaista.fi [88.115.248.186]) by fgw20.mail.saunalahti.fi (Halon) with ESMTP id c6954bdc-c06f-11eb-ba24-005056bd6ce9; Sat, 29 May 2021 14:19:47 +0300 (EEST) From: Andy Shevchenko To: Pavel Machek , Andy Shevchenko , Amireddy Mallikarjuna reddy , Linus Walleij , Abanoub Sameh , =?utf-8?q?Marek_Beh=C3=BAn?= , Krzysztof Kozlowski , linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 12/13] leds: rt8515: Put fwnode in any case during ->probe() Date: Sat, 29 May 2021 14:19:34 +0300 Message-Id: <20210529111935.3849707-12-andy.shevchenko@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210529111935.3849707-1-andy.shevchenko@gmail.com> References: <20210529111935.3849707-1-andy.shevchenko@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org fwnode_get_next_available_child_node() bumps a reference counting of a returned variable. We have to balance it whenever we return to the caller. Fixes: e1c6edcbea13 ("leds: rt8515: Add Richtek RT8515 LED driver") Cc: Linus Walleij Signed-off-by: Andy Shevchenko Reviewed-by: Linus Walleij --- v2: no changes drivers/leds/flash/leds-rt8515.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/leds/flash/leds-rt8515.c b/drivers/leds/flash/leds-rt8515.c index 590bfa180d10..44904fdee3cc 100644 --- a/drivers/leds/flash/leds-rt8515.c +++ b/drivers/leds/flash/leds-rt8515.c @@ -343,8 +343,9 @@ static int rt8515_probe(struct platform_device *pdev) ret = devm_led_classdev_flash_register_ext(dev, fled, &init_data); if (ret) { - dev_err(dev, "can't register LED %s\n", led->name); + fwnode_handle_put(child); mutex_destroy(&rt->lock); + dev_err(dev, "can't register LED %s\n", led->name); return ret; } @@ -362,6 +363,7 @@ static int rt8515_probe(struct platform_device *pdev) */ } + fwnode_handle_put(child); return 0; }