From patchwork Thu Feb 20 16:29:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leonard Crestez X-Patchwork-Id: 11394507 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E512613A4 for ; Thu, 20 Feb 2020 16:29:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6959208C4 for ; Thu, 20 Feb 2020 16:29:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728650AbgBTQ3u (ORCPT ); Thu, 20 Feb 2020 11:29:50 -0500 Received: from inva021.nxp.com ([92.121.34.21]:59102 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726871AbgBTQ3u (ORCPT ); Thu, 20 Feb 2020 11:29:50 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 490732012B1; Thu, 20 Feb 2020 17:29:48 +0100 (CET) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 3889D201298; Thu, 20 Feb 2020 17:29:48 +0100 (CET) Received: from fsr-ub1864-112.ea.freescale.net (fsr-ub1864-112.ea.freescale.net [10.171.82.98]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 0ECED20328; Thu, 20 Feb 2020 17:29:47 +0100 (CET) From: Leonard Crestez To: Shawn Guo , Dong Aisheng Cc: Fabio Estevam , Michael Turquette , Stephen Boyd , Stefan Agner , Linus Walleij , Alessandro Zummo , Alexandre Belloni , Anson Huang , Abel Vesa , Franck LENORMAND , kernel@pengutronix.de, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org Subject: [PATCH v2 4/8] firmware: imx: scu-pd: Align imx sc msg structs to 4 Date: Thu, 20 Feb 2020 18:29:35 +0200 Message-Id: <23b7eb459829d088fb4da188aa8063c2011fc2ac.1582216144.git.leonard.crestez@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org The imx SC api strongly assumes that messages are composed out of 4-bytes words but some of our message structs have odd sizeofs. This produces many oopses with CONFIG_KASAN=y. Fix by marking with __aligned(4). Fixes: c800cd7824bd ("firmware: imx: add SCU power domain driver") Signed-off-by: Leonard Crestez --- drivers/firmware/imx/scu-pd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firmware/imx/scu-pd.c b/drivers/firmware/imx/scu-pd.c index 09cfa268c6bd..cbc9a47ff44f 100644 --- a/drivers/firmware/imx/scu-pd.c +++ b/drivers/firmware/imx/scu-pd.c @@ -59,11 +59,11 @@ /* SCU Power Mode Protocol definition */ struct imx_sc_msg_req_set_resource_power_mode { struct imx_sc_rpc_msg hdr; u16 resource; u8 mode; -} __packed; +} __packed __aligned(4); #define IMX_SCU_PD_NAME_SIZE 20 struct imx_sc_pm_domain { struct generic_pm_domain pd; char name[IMX_SCU_PD_NAME_SIZE];