From patchwork Tue Nov 22 07:58:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "zhangpeng (AS)" X-Patchwork-Id: 13051971 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7E399C433FE for ; Tue, 22 Nov 2022 07:34:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=27Q9gKVapzpJXGlp7RNYFi4DDvyVJRIKNgscjMgwecs=; b=dFfJgT4OBTrQL7 XjEzTHIXmRx7WRt+26i0j3sCbDZy5/DHQGRijGNH3GFD3B1+WNFGQeZO557FLP1Pm2JT4vb0NRlOZ tf0Hv51KpbKwiOT2dnvlJJtPzRUCSAgn02DB5a2jTwJPDqbMSs1kejI3DRYzUZiGadYmkaX4ET0on oRCi2TgrQ2TPYRf+kW5KSe9xXGXhQfuqBTDIyztsfTHXInohmTPjiIqM4OgmAkdpRdwS+fjRDmrOi EK7sea33TISW3PNUGOHUxzsmCxZPBYOIWj0tJHMi0U6GPOkIRX5PvilWXKgDo97gKMIottnHytVh9 CPaZqHHRg09cmfS3a02w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxNmy-005bmc-1D; Tue, 22 Nov 2022 07:33:52 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxNmu-005bia-HI for linux-riscv@lists.infradead.org; Tue, 22 Nov 2022 07:33:50 +0000 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4NGbZp3ysrz15Mns; Tue, 22 Nov 2022 15:33:06 +0800 (CST) Received: from kwepemm600020.china.huawei.com (7.193.23.147) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 22 Nov 2022 15:33:35 +0800 Received: from localhost.localdomain (10.175.112.125) by kwepemm600020.china.huawei.com (7.193.23.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 22 Nov 2022 15:33:34 +0800 From: Peng Zhang To: , , , CC: , , , , , ZhangPeng Subject: [PATCH] pinctrl: call of_node_put() when breaking out of for_each_available_child_of_node() Date: Tue, 22 Nov 2022 07:58:53 +0000 Message-ID: <20221122075853.2496680-1-zhangpeng362@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemm600020.china.huawei.com (7.193.23.147) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221121_233348_769892_3638986C X-CRM114-Status: UNSURE ( 8.03 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: ZhangPeng Since for_each_available_child_of_node() will increase the refcount of node, we need to call of_node_put() manually when breaking out of the iteration. Fixes: d4c34d09ab03 ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver") Signed-off-by: ZhangPeng Reviewed-by: Damien Le Moal --- drivers/pinctrl/pinctrl-k210.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-k210.c b/drivers/pinctrl/pinctrl-k210.c index ecab6bf63dc6..ad4db99094a7 100644 --- a/drivers/pinctrl/pinctrl-k210.c +++ b/drivers/pinctrl/pinctrl-k210.c @@ -862,8 +862,10 @@ static int k210_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, for_each_available_child_of_node(np_config, np) { ret = k210_pinctrl_dt_subnode_to_map(pctldev, np, map, &reserved_maps, num_maps); - if (ret < 0) + if (ret < 0) { + of_node_put(np); goto err; + } } return 0;