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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 7AA62C04EBD for ; Tue, 16 Oct 2018 17:13:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4186321476 for ; Tue, 16 Oct 2018 17:13:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="1eSl1NUO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4186321476 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728920AbeJQBFB (ORCPT ); Tue, 16 Oct 2018 21:05:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:48080 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727280AbeJQBFA (ORCPT ); Tue, 16 Oct 2018 21:05:00 -0400 Received: from localhost (ip-213-127-77-176.ip.prioritytelecom.net [213.127.77.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EBAC52098A; Tue, 16 Oct 2018 17:13:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1539710017; bh=iZkL+A7E0dwFYn0wtOOEJsj/SAA8BeQ83A3pEqNTEe0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1eSl1NUOPTpdYnRWNc5M7fCesrzaknKh/sFiUCv57acAm5qM2tSfSJCvYWHY+lsLj ohGWP6HT1U7KW1X43a+vDXWD98VV7Trs8+O28NjlHDtHW92n3NJAdBPFl/Q+A9FE5U BJAlD1lXCKdeOBEh/Euj4EwWzZSntyWJRnzHwbQ4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kuninori Morimoto , Hiroyuki Yokoyama , Mark Brown , Sasha Levin Subject: [PATCH 4.18 075/135] ASoC: rsnd: adg: care clock-frequency size Date: Tue, 16 Oct 2018 19:05:05 +0200 Message-Id: <20181016170520.344154690@linuxfoundation.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181016170515.447235311@linuxfoundation.org> References: <20181016170515.447235311@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kuninori Morimoto [ Upstream commit 69235ccf491d2e26aefd465c0d3ccd1e3b2a9a9c ] ADG has buffer over flow bug if DT has more than 3 clock-frequency. This patch fixup this issue, and uses first 2 values. clock-frequency = ; /* this is OK */ clock-frequency = ; /* this is NG */ Signed-off-by: Kuninori Morimoto Tested-by: Hiroyuki Yokoyama Signed-off-by: Mark Brown Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- sound/soc/sh/rcar/adg.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -465,6 +465,11 @@ static void rsnd_adg_get_clkout(struct r goto rsnd_adg_get_clkout_end; req_size = prop->length / sizeof(u32); + if (req_size > REQ_SIZE) { + dev_err(dev, + "too many clock-frequency, use top %d\n", REQ_SIZE); + req_size = REQ_SIZE; + } of_property_read_u32_array(np, "clock-frequency", req_rate, req_size); req_48kHz_rate = 0;