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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 73414C4321D for ; Thu, 23 Aug 2018 11:44:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1689220841 for ; Thu, 23 Aug 2018 11:44:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1689220841 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732020AbeHWPOD (ORCPT ); Thu, 23 Aug 2018 11:14:03 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:52063 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728588AbeHWPOD (ORCPT ); Thu, 23 Aug 2018 11:14:03 -0400 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id A1CEDF1137598; Thu, 23 Aug 2018 19:44:40 +0800 (CST) Received: from [127.0.0.1] (10.177.29.68) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.399.0; Thu, 23 Aug 2018 19:44:39 +0800 Message-ID: <5B7E9E26.3050209@huawei.com> Date: Thu, 23 Aug 2018 19:44:38 +0800 From: zhong jiang User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: , CC: , , Subject: Re: [PATCH] arm: pm: call put_device instead of of_node_put in at91_pm_config_ws References: <1534415182-34970-1-git-send-email-zhongjiang@huawei.com> In-Reply-To: <1534415182-34970-1-git-send-email-zhongjiang@huawei.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.29.68] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, alexandre Can you pick up the patch? Thanks Best wishes, zhong jiang On 2018/8/16 18:26, zhong jiang wrote: > of_find_device_by_node takes a reference to the struct device when it > finds a match via get_device. but it fails to put_device in > at91_pm_config_ws, for_each_matching_node_and_match will get and put > the node properly, there is no need to call the of_put_node. Therefore, > just call put_device instead of of_node_put in at91_pm_config_ws. > > Fixes: d7484f5c6b3b ("ARM: at91: pm: configure wakeup sources for ULP1 mode") > Suggested-by: Claudiu Beznea > Signed-off-by: zhong jiang > --- > arch/arm/mach-at91/pm.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c > index 32fae4d..6574f00 100644 > --- a/arch/arm/mach-at91/pm.c > +++ b/arch/arm/mach-at91/pm.c > @@ -143,15 +143,15 @@ static int at91_pm_config_ws(unsigned int pm_mode, bool set) > > /* Check if enabled on SHDWC. */ > if (wsi->shdwc_mr_bit && !(val & wsi->shdwc_mr_bit)) > - goto put_node; > + goto put_device; > > mode |= wsi->pmc_fsmr_bit; > if (wsi->set_polarity) > polarity |= wsi->pmc_fsmr_bit; > } > > -put_node: > - of_node_put(np); > +put_device: > + put_device(&pdev->dev); > } > > if (mode) {