From nobody Sat May 4 02:33:26 2024 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 1C392C433EF for ; Mon, 23 May 2022 15:34:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237958AbiEWPeT (ORCPT ); Mon, 23 May 2022 11:34:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237865AbiEWPeR (ORCPT ); Mon, 23 May 2022 11:34:17 -0400 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B4B6289A1 for ; Mon, 23 May 2022 08:34:17 -0700 (PDT) Received: by mail-pj1-x1030.google.com with SMTP id o13-20020a17090a9f8d00b001df3fc52ea7so17844308pjp.3 for ; Mon, 23 May 2022 08:34:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=W4RCFlHPKPzBpfZ4VSRaqmfuqEsVoa/sGTVsUgYmMkw=; b=YGoYoVqwdqHR20dUUiThyv7mSi+CuU7dvhVuKDwnSf55afYm8Xq8utr0ljcFgoU5GW zpCKB2yh8ZSQlJPZEKqm4ujVrHmMxNP8RnjYJfz/TF8/wYudZRnhVjY7UD5MdXuMTgfM mydwtqvtrXgQg7io3VCJ92Bq23W+uR1pqrqBHarN4OzCGuRGlRO8vR5qFT+7xg/UYt/M OTEvcbdSiIvoH8/KvTQr6J3cY8zPw/Dn57bZ4Qs/ryjn/Wm8mtPyFATqOhyaGsz9L50i GdTOX+RIbrnFiJWxCaI4Br6yirCtDZvUEDHiR0nSszHCcQjb1+BT8zs0cSe68Zf/AwMt nZNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=W4RCFlHPKPzBpfZ4VSRaqmfuqEsVoa/sGTVsUgYmMkw=; b=PD68BD6CLwhm+KN7gtRFCfFkzTSxBlqwKPVRZ8THP/6UsVIwFBxlxDzWpZHjhfMw9B /EncNI/NiYhXb8/hZuNd3/lfUotb1qMWQRDaf2ergn0G6SqRXVq6qwkbCB1IYAMvQv99 tqKxjjxgu+YXb1XU1B5VG1javw5nMcztK5NJGjOmpHtQJSZ6G3k+6Y7WmZ5AcqZfhU4K r0y7sH5ZpxcSROxYcnFhDv97Yn/q6W1fE9uLmmK66vp8vc32IjQ/ENSrUEChQvWCxEuW TVue4ZhaYyUerutwlRvSdM2Un4n5hdoloOapaZtsr/VVUZ6YYBlCMArkhMxte3so5gw8 8MGQ== X-Gm-Message-State: AOAM53015No0eUUIvA/J0T2lfdH4GK/NubAQ8vrj0q3PcKLvI9O2vTY7 qDaomX4Gsr7bMXsxtkcaAz8= X-Google-Smtp-Source: ABdhPJzljZ11lQunxi5u5KVqo9IYckGYCLPpmtlOuo+7t/bCcHtXT+XiPLzpWe6/z4+bvzkEyU285w== X-Received: by 2002:a17:902:f549:b0:161:f216:4f46 with SMTP id h9-20020a170902f54900b00161f2164f46mr16620819plf.70.1653320056826; Mon, 23 May 2022 08:34:16 -0700 (PDT) Received: from localhost.localdomain ([202.120.234.246]) by smtp.googlemail.com with ESMTPSA id n8-20020a17090a160800b001d92e2e5694sm7316928pja.1.2022.05.23.08.34.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 08:34:16 -0700 (PDT) From: Miaoqian Lin To: Linus Walleij , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: linmq006@gmail.com Subject: [PATCH] bus: arm-integrator-lm: Fix refcount leak in integrator_ap_lm_probe Date: Mon, 23 May 2022 19:34:09 +0400 Message-Id: <20220523153409.22949-1-linmq006@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Fixes: ccea5e8a5918 ("bus: Add driver for Integrator/AP logic modules") Signed-off-by: Miaoqian Lin --- drivers/bus/arm-integrator-lm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/arm-integrator-lm.c b/drivers/bus/arm-integrator-l= m.c index 2344d560b144..ab5fad8aaa99 100644 --- a/drivers/bus/arm-integrator-lm.c +++ b/drivers/bus/arm-integrator-lm.c @@ -85,6 +85,7 @@ static int integrator_ap_lm_probe(struct platform_device = *pdev) return -ENODEV; } map =3D syscon_node_to_regmap(syscon); + of_node_put(syscon); if (IS_ERR(map)) { dev_err(dev, "could not find Integrator/AP system controller\n"); --=20 2.25.1