Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp2266918pxb; Sun, 24 Jan 2021 00:58:47 -0800 (PST) X-Google-Smtp-Source: ABdhPJwht72G9MntxkZxDJq3Y5/QBEldgfyoJ5P9T2zzwLefR2ixjvdaSrnLk3Tq44aqf5NS5gZo X-Received: by 2002:a17:906:2a8b:: with SMTP id l11mr27587eje.1.1611478726966; Sun, 24 Jan 2021 00:58:46 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611478726; cv=none; d=google.com; s=arc-20160816; b=WKJHTiVWXBgXl09kJzVBiwTzAHINyd1/wodVhRGJNpJBmOeCd2dgo4QdfUZVR0M8Rg R1dz9RCMnxkUatAPqjmkO7BJd9rZHE18udZCKjokjz+MXVwlNt0Pk+DmLT4//nzw2WFd whlV6Ul2MV6OPM9kIOYrjsY11JN1tYfbAuH6nvhNue5ZTfcnzvSctcR+lCp80sO/ldTi 8Eey+ov03buqJ70dfBynBcHKLH8jov2g406mfJigO+wNaDsrXceqCG/UmP0CvduI0ZSs YtCOY5KsQk/zhDSak8jgAIZa3pMhcFERSMk1oDWRH4lXwvoTUbtydVje/Gm1Q/MP9zJr 3M7Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=zhjwPheHSuUp/5UwNUBqp3rvt77kCzybM6YAqa+Fq5w=; b=1D3EVVaCtZqGDSsLd28jIf9zoY6mMVLowTlkXMHHlPIPQtwoAW9Dt4qpCNJbAx6LUR DIDgLO0/W7ppdS2hCHmoKqYfgHV82hIpt4kZ0q2zMsPoqbc6Q5fCHFQHdxnC5PVudm4R Rmoh7W84mzO+AOgl6HLSoBg+Rsn4qLN6AZuyjDLvqmQdueDuqbvBEbFXSwCpXJPLP4xA FYWiJdrFoozeGd57Qcy52wOXy2Q4TmM8e3iWOx+vcyazfJEBMkaf7eEnjD4uba4wGfPO pcKgEt0A+VTfHsgEqV0PGRPQSwZTGaOJA3DzXfwv9y7k5pbsCMZi5S4uau+z4fQMUXGS e5Sg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=crapouillou.net Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id bc28si2581914edb.181.2021.01.24.00.58.23; Sun, 24 Jan 2021 00:58:46 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=crapouillou.net Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726550AbhAXI4y (ORCPT + 99 others); Sun, 24 Jan 2021 03:56:54 -0500 Received: from aposti.net ([89.234.176.197]:43562 "EHLO aposti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726206AbhAXI4q (ORCPT ); Sun, 24 Jan 2021 03:56:46 -0500 From: Paul Cercueil To: David Airlie , Daniel Vetter Cc: Sam Ravnborg , Laurent Pinchart , od@zcrc.me, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, Paul Cercueil Subject: [PATCH v3 0/4] Fixes to bridge/panel and ingenic-drm Date: Sun, 24 Jan 2021 08:55:48 +0000 Message-Id: <20210124085552.29146-1-paul@crapouillou.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Here are three independent fixes. The first one addresses a use-after-free in bridge/panel.c; the second one addresses a use-after-free in the ingenic-drm driver; finally, the third one makes the ingenic-drm driver work again on older Ingenic SoCs. Changes from v2: - patch [1/4] added a FIXME. - patch [2/4] is new. It introduces a drmm_plain_simple_encoder_alloc() macro that will be used in patch [3/4]. - patch [3/4] uses the macro introduced in patch [2/4]. - patch [4/4] is unmodified. Note to linux-stable guys: patch [v2 2/3] will only apply on the current drm-misc-next branch, to fix it for v5.11 and older kernels, use the V1 of that patch. Cheers, -Paul Paul Cercueil (4): drm: bridge/panel: Cleanup connector on bridge detach drm/simple_kms_helper: Add macro drmm_plain_simple_encoder_alloc() drm/ingenic: Register devm action to cleanup encoders drm/ingenic: Fix non-OSD mode drivers/gpu/drm/bridge/panel.c | 12 +++++++++++ drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 26 +++++++++++------------ include/drm/drm_simple_kms_helper.h | 17 +++++++++++++++ 3 files changed, 42 insertions(+), 13 deletions(-) -- 2.29.2