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 E2415C43334 for ; Mon, 13 Jun 2022 11:52:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356990AbiFMLwf (ORCPT ); Mon, 13 Jun 2022 07:52:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357568AbiFMLqW (ORCPT ); Mon, 13 Jun 2022 07:46:22 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56EDA13DF1; Mon, 13 Jun 2022 03:52:43 -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 ams.source.kernel.org (Postfix) with ESMTPS id 3A0EAB80E92; Mon, 13 Jun 2022 10:52:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 737E8C3411E; Mon, 13 Jun 2022 10:52:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655117561; bh=zlr3C4xgJD135dQdTWBXK1U0qwJZQAP7U25NcO+I5cQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wix5TWUgTaUgEk9HyqXO7ovGU8bZXqrH+Kxaz8Kqvl99y8laNnYVAfsO5FEcxuWmD mD443wVnFcK6KRfQRkkcP5feTlAf7eI2st/wT7J6tGySUr/1+pI4GDSuXlHOtUkkMy UCt5pfHgOKCtFC9ULSjz2mUZuI9J14w7X9amPOuQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Peng Wu , Wei Xu , Sasha Levin Subject: [PATCH 4.19 051/287] ARM: hisi: Add missing of_node_put after of_find_compatible_node Date: Mon, 13 Jun 2022 12:07:55 +0200 Message-Id: <20220613094925.415728586@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220613094923.832156175@linuxfoundation.org> References: <20220613094923.832156175@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: linux-kernel@vger.kernel.org From: Peng Wu [ Upstream commit 9bc72e47d4630d58a840a66a869c56b29554cfe4 ] of_find_compatible_node will increment the refcount of the returned device_node. Calling of_node_put() to avoid the refcount leak Signed-off-by: Peng Wu Signed-off-by: Wei Xu Signed-off-by: Sasha Levin --- arch/arm/mach-hisi/platsmp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-hisi/platsmp.c b/arch/arm/mach-hisi/platsmp.c index da5689ababf7..d7fbfb6d293d 100644 --- a/arch/arm/mach-hisi/platsmp.c +++ b/arch/arm/mach-hisi/platsmp.c @@ -70,14 +70,17 @@ static void __init hi3xxx_smp_prepare_cpus(unsigned int max_cpus) } ctrl_base = of_iomap(np, 0); if (!ctrl_base) { + of_node_put(np); pr_err("failed to map address\n"); return; } if (of_property_read_u32(np, "smp-offset", &offset) < 0) { + of_node_put(np); pr_err("failed to find smp-offset property\n"); return; } ctrl_base += offset; + of_node_put(np); } } @@ -163,6 +166,7 @@ static int hip01_boot_secondary(unsigned int cpu, struct task_struct *idle) if (WARN_ON(!node)) return -1; ctrl_base = of_iomap(node, 0); + of_node_put(node); /* set the secondary core boot from DDR */ remap_reg_value = readl_relaxed(ctrl_base + REG_SC_CTRL); -- 2.35.1