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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 EEFA4C43387 for ; Sun, 13 Jan 2019 20:11:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CAE2D20675 for ; Sun, 13 Jan 2019 20:11:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726557AbfAMULf (ORCPT ); Sun, 13 Jan 2019 15:11:35 -0500 Received: from gloria.sntech.de ([185.11.138.130]:46984 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726428AbfAMULf (ORCPT ); Sun, 13 Jan 2019 15:11:35 -0500 Received: from p57b7799d.dip0.t-ipconnect.de ([87.183.121.157] helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1gikoU-0002Hp-KY; Sun, 13 Jan 2019 19:48:50 +0100 From: Heiko Stuebner To: Julia Lawall Cc: Sandy Huang , kernel-janitors@vger.kernel.org, David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/4] drm/rockchip: add missing of_node_put Date: Sun, 13 Jan 2019 19:48:49 +0100 Message-ID: <3397932.PmTvevuZIG@phil> In-Reply-To: <1547369264-24831-4-git-send-email-Julia.Lawall@lip6.fr> References: <1547369264-24831-1-git-send-email-Julia.Lawall@lip6.fr> <1547369264-24831-4-git-send-email-Julia.Lawall@lip6.fr> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Sonntag, 13. Januar 2019, 09:47:43 CET schrieb Julia Lawall: > The device node iterators perform an of_node_get on each iteration, so a > jump out of the loop requires an of_node_put. > > The semantic patch that fixes this problem is as follows > (http://coccinelle.lip6.fr): > > // > @@ > expression root,e; > local idexpression child; > iterator name for_each_child_of_node; > @@ > > for_each_child_of_node(root, child) { > ... when != of_node_put(child) > when != e = child > + of_node_put(child); > ? break; > ... > } > ... when != child > // > > Signed-off-by: Julia Lawall I've added a fixes+stable tag and applied it to drm-misc-fixes Thanks for catching that Heiko