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 9CF72CCA468 for ; Wed, 1 Jun 2022 14:11:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351505AbiFAOLR (ORCPT ); Wed, 1 Jun 2022 10:11:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51108 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355005AbiFAOF1 (ORCPT ); Wed, 1 Jun 2022 10:05:27 -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 70BB88FD54; Wed, 1 Jun 2022 06:59:27 -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 1C371615B9; Wed, 1 Jun 2022 13:59:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B84AFC34119; Wed, 1 Jun 2022 13:59:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1654091966; bh=AztLQTwV6c2/ORAaTr9VKJzhEhFLOmaLcCN74dgSRZc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vPYeMdSReOk2OQFMpvQaJeR+saqcRymYG628q+BdaoOtsEViuvA//4eyS8mKEodkK /Nd8bNmlvksMeLapamr6J4oKQRBpqeD7b/Hb45dh18UGTVNtZLMt/zHm8Mb4t//V8+ RiA5tEgHm2e8d+FvvmhX72hjWYR2MjTZeIvrsd+t/sGxKEQ5G9LGkLFdkain4zG5q0 aZ0opE0ZRZPKv1EsyJQX7BwXchWEWH6yH97PaErxjM7nv14CCu1EE1xmU/M7rZ/TE8 68r4PqaGNveWrDD7VKjRZQoBpgN8V/8E9HVCj9tcWXNkIPMMs6NvNjDcOuVi9qujFL qP1ciDt4eW64A== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Peng Wu , Wei Xu , Sasha Levin , linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 12/20] ARM: hisi: Add missing of_node_put after of_find_compatible_node Date: Wed, 1 Jun 2022 09:58:54 -0400 Message-Id: <20220601135902.2004823-12-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220601135902.2004823-1-sashal@kernel.org> References: <20220601135902.2004823-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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 da7a09c1dae5..1cd1d9b0aabf 100644 --- a/arch/arm/mach-hisi/platsmp.c +++ b/arch/arm/mach-hisi/platsmp.c @@ -67,14 +67,17 @@ 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); } } @@ -160,6 +163,7 @@ 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