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=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, 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 DA561C433DF for ; Fri, 21 Aug 2020 16:25:37 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6395B20656 for ; Fri, 21 Aug 2020 16:25:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="AtGkgB+h"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ucZlJ+N8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6395B20656 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id E33CE16DD; Fri, 21 Aug 2020 18:24:45 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E33CE16DD DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1598027136; bh=GWXXzB5dOe5LzjCmmQyVZuCFOLpd7KoXrQkTgZPh64Q=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=AtGkgB+hU6EHI2+TH6Jgo1de93lHbJ+8Rxy/X0n4EOqbNDcpVmA3UmMXdSLanH+Si rlfJZlkmTfjkfC1ad7bfGNyUS+DybF7NEcg5EyP4gUmGjSaMu2k3AnJO3/xuUO+rss sLzGaYbA9MrySrdJuAY+kx8CMtsXdpo1N8uMyr6Y= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 2071FF80350; Fri, 21 Aug 2020 18:16:50 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 3D3AAF80351; Fri, 21 Aug 2020 18:16:48 +0200 (CEST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id C4C20F80218 for ; Fri, 21 Aug 2020 18:16:42 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz C4C20F80218 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ucZlJ+N8" Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9A90122BEF; Fri, 21 Aug 2020 16:16:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026601; bh=GWXXzB5dOe5LzjCmmQyVZuCFOLpd7KoXrQkTgZPh64Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ucZlJ+N8x0LMUZADAdk6ZCQAVRe4Ak95nnAfMBkY9cG8t8RCF1T+Dhbp+JM4nuonm xnED7VJUxGCTf5jUnZ7xerZLJffdgZBh5uIQ49EH42HcbBoE+8f0gx9llSd2dQiI6l 7c/FvH5R7PhDNWKx//leHe8rEwCJZKhv0br4kv7w= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.7 44/61] ASoC: Intel: sof_sdw_rt711: remove properties in card remove Date: Fri, 21 Aug 2020 12:15:28 -0400 Message-Id: <20200821161545.347622-44-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161545.347622-1-sashal@kernel.org> References: <20200821161545.347622-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Cc: Sasha Levin , alsa-devel@alsa-project.org, Kai Vehmanen , Pierre-Louis Bossart , Mark Brown , Bard Liao X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Pierre-Louis Bossart [ Upstream commit cf0418cd06ce42fcf35beb33e315b5a77e596926 ] The rt711 jack detection properties are set from the machine drivers during the card probe, as done in other ASoC examples. KASAN reports a use-after-free error when unbinding drivers due to a confusing sequence between the ACPI core, the device core and the SoundWire device cleanups. Rather than fixing this sequence, follow the recommendation to have the same caller add and remove properties, add an explicit device_remove_properties() in the card .remove() callback. In future patches the use of device_add/remove_properties will be replaced by a direct handling of a swnode, but the sequence will remain the same. Signed-off-by: Bard Liao Signed-off-by: Pierre-Louis Bossart Reviewed-by: Kai Vehmanen Link: https://lore.kernel.org/r/20200717211337.31956-3-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/intel/boards/sof_sdw.c | 1 + sound/soc/intel/boards/sof_sdw_common.h | 1 + sound/soc/intel/boards/sof_sdw_rt711.c | 15 +++++++++++++++ 3 files changed, 17 insertions(+) diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index 61b5bced29b7e..9f01eb224d615 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -184,6 +184,7 @@ static struct sof_sdw_codec_info codec_info_list[] = { .direction = {true, true}, .dai_name = "rt711-aif1", .init = sof_sdw_rt711_init, + .exit = sof_sdw_rt711_exit, }, { .id = 0x1308, diff --git a/sound/soc/intel/boards/sof_sdw_common.h b/sound/soc/intel/boards/sof_sdw_common.h index dd593ff3575b5..b9c9c974b6142 100644 --- a/sound/soc/intel/boards/sof_sdw_common.h +++ b/sound/soc/intel/boards/sof_sdw_common.h @@ -84,6 +84,7 @@ int sof_sdw_rt711_init(const struct snd_soc_acpi_link_adr *link, struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info, bool playback); +int sof_sdw_rt711_exit(struct device *dev, struct snd_soc_dai_link *dai_link); /* RT700 support */ int sof_sdw_rt700_init(const struct snd_soc_acpi_link_adr *link, diff --git a/sound/soc/intel/boards/sof_sdw_rt711.c b/sound/soc/intel/boards/sof_sdw_rt711.c index 2a4917e3d5614..35be804479caf 100644 --- a/sound/soc/intel/boards/sof_sdw_rt711.c +++ b/sound/soc/intel/boards/sof_sdw_rt711.c @@ -132,6 +132,21 @@ static int rt711_rtd_init(struct snd_soc_pcm_runtime *rtd) return ret; } +int sof_sdw_rt711_exit(struct device *dev, struct snd_soc_dai_link *dai_link) +{ + struct device *sdw_dev; + + sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, + dai_link->codecs[0].name); + if (!sdw_dev) + return -EINVAL; + + device_remove_properties(sdw_dev); + put_device(sdw_dev); + + return 0; +} + int sof_sdw_rt711_init(const struct snd_soc_acpi_link_adr *link, struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info, -- 2.25.1 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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 1E9F0C433E1 for ; Fri, 21 Aug 2020 17:15:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 00D302075E for ; Fri, 21 Aug 2020 17:15:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598030141; bh=GWXXzB5dOe5LzjCmmQyVZuCFOLpd7KoXrQkTgZPh64Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GLIuZnbl50rUstpXE6HdoA4Hp3GIiOIAIuo446tgv8foB8AHR1Dmh4Yl8XBmkE+j+ K+aDSoj3Z/smnLXwSXin9n55kdI77E6jc2TUkoB+mYnarNwyS84ntqTrw27OklQzEb iA8jYm0mvPa2/evGGmwLBy1Xc7rz5/rQwKn7zRIQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728886AbgHURPj (ORCPT ); Fri, 21 Aug 2020 13:15:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:50170 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727880AbgHUQQm (ORCPT ); Fri, 21 Aug 2020 12:16:42 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9A90122BEF; Fri, 21 Aug 2020 16:16:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026601; bh=GWXXzB5dOe5LzjCmmQyVZuCFOLpd7KoXrQkTgZPh64Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ucZlJ+N8x0LMUZADAdk6ZCQAVRe4Ak95nnAfMBkY9cG8t8RCF1T+Dhbp+JM4nuonm xnED7VJUxGCTf5jUnZ7xerZLJffdgZBh5uIQ49EH42HcbBoE+8f0gx9llSd2dQiI6l 7c/FvH5R7PhDNWKx//leHe8rEwCJZKhv0br4kv7w= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Pierre-Louis Bossart , Bard Liao , Kai Vehmanen , Mark Brown , Sasha Levin , alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 5.7 44/61] ASoC: Intel: sof_sdw_rt711: remove properties in card remove Date: Fri, 21 Aug 2020 12:15:28 -0400 Message-Id: <20200821161545.347622-44-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161545.347622-1-sashal@kernel.org> References: <20200821161545.347622-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pierre-Louis Bossart [ Upstream commit cf0418cd06ce42fcf35beb33e315b5a77e596926 ] The rt711 jack detection properties are set from the machine drivers during the card probe, as done in other ASoC examples. KASAN reports a use-after-free error when unbinding drivers due to a confusing sequence between the ACPI core, the device core and the SoundWire device cleanups. Rather than fixing this sequence, follow the recommendation to have the same caller add and remove properties, add an explicit device_remove_properties() in the card .remove() callback. In future patches the use of device_add/remove_properties will be replaced by a direct handling of a swnode, but the sequence will remain the same. Signed-off-by: Bard Liao Signed-off-by: Pierre-Louis Bossart Reviewed-by: Kai Vehmanen Link: https://lore.kernel.org/r/20200717211337.31956-3-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/intel/boards/sof_sdw.c | 1 + sound/soc/intel/boards/sof_sdw_common.h | 1 + sound/soc/intel/boards/sof_sdw_rt711.c | 15 +++++++++++++++ 3 files changed, 17 insertions(+) diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index 61b5bced29b7e..9f01eb224d615 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -184,6 +184,7 @@ static struct sof_sdw_codec_info codec_info_list[] = { .direction = {true, true}, .dai_name = "rt711-aif1", .init = sof_sdw_rt711_init, + .exit = sof_sdw_rt711_exit, }, { .id = 0x1308, diff --git a/sound/soc/intel/boards/sof_sdw_common.h b/sound/soc/intel/boards/sof_sdw_common.h index dd593ff3575b5..b9c9c974b6142 100644 --- a/sound/soc/intel/boards/sof_sdw_common.h +++ b/sound/soc/intel/boards/sof_sdw_common.h @@ -84,6 +84,7 @@ int sof_sdw_rt711_init(const struct snd_soc_acpi_link_adr *link, struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info, bool playback); +int sof_sdw_rt711_exit(struct device *dev, struct snd_soc_dai_link *dai_link); /* RT700 support */ int sof_sdw_rt700_init(const struct snd_soc_acpi_link_adr *link, diff --git a/sound/soc/intel/boards/sof_sdw_rt711.c b/sound/soc/intel/boards/sof_sdw_rt711.c index 2a4917e3d5614..35be804479caf 100644 --- a/sound/soc/intel/boards/sof_sdw_rt711.c +++ b/sound/soc/intel/boards/sof_sdw_rt711.c @@ -132,6 +132,21 @@ static int rt711_rtd_init(struct snd_soc_pcm_runtime *rtd) return ret; } +int sof_sdw_rt711_exit(struct device *dev, struct snd_soc_dai_link *dai_link) +{ + struct device *sdw_dev; + + sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, + dai_link->codecs[0].name); + if (!sdw_dev) + return -EINVAL; + + device_remove_properties(sdw_dev); + put_device(sdw_dev); + + return 0; +} + int sof_sdw_rt711_init(const struct snd_soc_acpi_link_adr *link, struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info, -- 2.25.1