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 X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B8D4C10F14 for ; Wed, 17 Apr 2019 02:46:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D16162075B for ; Wed, 17 Apr 2019 02:46:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729625AbfDQCqm (ORCPT ); Tue, 16 Apr 2019 22:46:42 -0400 Received: from out1.zte.com.cn ([202.103.147.172]:58568 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727816AbfDQCqm (ORCPT ); Tue, 16 Apr 2019 22:46:42 -0400 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id E31F29F7202A2D614D48 for ; Wed, 17 Apr 2019 10:46:39 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x3H2kW25061452 for ; Wed, 17 Apr 2019 10:46:32 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019041710465168-8910301 ; Wed, 17 Apr 2019 10:46:51 +0800 From: Wen Yang To: linux-kernel@vger.kernel.org Cc: wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 0/3] fix leaked of_node references in drivers/firmware Date: Wed, 17 Apr 2019 10:44:50 +0800 Message-Id: <1555469093-35179-1-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-04-17 10:46:51, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-04-17 10:46:24, Serialize complete at 2019-04-17 10:46:24 X-MAIL: mse01.zte.com.cn x3H2kW25061452 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The call to of_get_cpu_node/of_find_compatible_node/of_parse_phandle... returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. We developed a coccinelle SmPL to detect drivers/firmware code and found some issues. This patch series fixes those issues. Wen Yang (3): firmware: arm_sdei: fix leaked of_node references firmware: psci: fix leaked of_node references firmware: stratix10-svc: fix leaked of_node references drivers/firmware/arm_sdei.c | 1 + drivers/firmware/psci.c | 4 +++- drivers/firmware/stratix10-svc.c | 14 ++++++++++---- 3 files changed, 14 insertions(+), 5 deletions(-) -- 2.9.5