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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4E8CC4321E for ; Wed, 19 Oct 2022 09:11:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232667AbiJSJLA (ORCPT ); Wed, 19 Oct 2022 05:11:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232649AbiJSJIP (ORCPT ); Wed, 19 Oct 2022 05:08:15 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE93C6705D; Wed, 19 Oct 2022 02:00:08 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D95516186B; Wed, 19 Oct 2022 08:59:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5FCCC433C1; Wed, 19 Oct 2022 08:59:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666169951; bh=YJMbba9RS1wYiGgs1JTsRQFq9wLF0YY2JGinQe5+YHA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aPNOvDMfhBlFzGtHQNDLmzb8rdxG1QNoFMVnMKhaEk698kmTpniTxO6YXdA/v6q+b gumrBHG1/nE3J0bwzPZVGRlEe5gdQ7YbVVEV2uodgg9+vTblFiPcKdrXgz25HrAJnF gFNEjLS0XfcSAmbXeLsTPj7ufDmA8Nwg6MsMfN2I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Liang He , Stephen Boyd , Sasha Levin Subject: [PATCH 6.0 470/862] clk: oxnas: Hold reference returned by of_get_parent() Date: Wed, 19 Oct 2022 10:29:17 +0200 Message-Id: <20221019083310.736073687@linuxfoundation.org> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221019083249.951566199@linuxfoundation.org> References: <20221019083249.951566199@linuxfoundation.org> User-Agent: quilt/0.67 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: Liang He [ Upstream commit 1d6aa08c54cd0e005210ab8e3b1e92ede70f8a4f ] In oxnas_stdclk_probe(), we need to hold the reference returned by of_get_parent() and use it to call of_node_put() for refcount balance. Fixes: 0bbd72b4c64f ("clk: Add Oxford Semiconductor OXNAS Standard Clocks") Signed-off-by: Liang He Link: https://lore.kernel.org/r/20220628143155.170550-1-windhl@126.com Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- drivers/clk/clk-oxnas.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/clk/clk-oxnas.c b/drivers/clk/clk-oxnas.c index cda5e258355b..584e293156ad 100644 --- a/drivers/clk/clk-oxnas.c +++ b/drivers/clk/clk-oxnas.c @@ -207,7 +207,7 @@ static const struct of_device_id oxnas_stdclk_dt_ids[] = { static int oxnas_stdclk_probe(struct platform_device *pdev) { - struct device_node *np = pdev->dev.of_node; + struct device_node *np = pdev->dev.of_node, *parent_np; const struct oxnas_stdclk_data *data; struct regmap *regmap; int ret; @@ -215,7 +215,9 @@ static int oxnas_stdclk_probe(struct platform_device *pdev) data = of_device_get_match_data(&pdev->dev); - regmap = syscon_node_to_regmap(of_get_parent(np)); + parent_np = of_get_parent(np); + regmap = syscon_node_to_regmap(parent_np); + of_node_put(parent_np); if (IS_ERR(regmap)) { dev_err(&pdev->dev, "failed to have parent regmap\n"); return PTR_ERR(regmap); -- 2.35.1