From patchwork Thu Feb 20 16:29:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leonard Crestez X-Patchwork-Id: 11394519 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 17EFB159A for ; Thu, 20 Feb 2020 16:30:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 8B22A208C4 for ; Thu, 20 Feb 2020 16:30:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="m4/XvQKS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8B22A208C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=x+DDwcd45FHwDQnbAmzO/wYx3x/Dvar5lAtc9sIm8+8=; b=m4/XvQKS1hV9DTJ2q4e/LBu9If TD+o9YmpMWqM58GDOg3P7+iA8C5Qx2POKEdy4UZUk0Xvup4MJEJQHOQ5il/KtFKH3vbWWmVL0UJhX 6W0pxt5kBvsTnBdJmpwaEE+bhI1qA/fX+6AMlDYg9q8+XalwNfYQaNnm+Mof2tTdujbPR7pkk5PEY Kd1jGKPZUZ9/1urGtONLhTU9SAzv8gwBp8Tzqg9kISCb/R7K4Bb0y2bhA5Fc8mSsAt1bYa0dgMTJy MN6ReKFKDxGWNEv52nKbHXfRqQPXiz5z12TlUYe/r9piqLlFlSPAccFn7yE4DkuMtR2pvIXTE2BgA r3EmjYIg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j4oiY-0007Z9-OZ; Thu, 20 Feb 2020 16:30:26 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j4ohv-0005uY-7W for linux-arm-kernel@lists.infradead.org; Thu, 20 Feb 2020 16:29:48 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id C24B81A16C8; Thu, 20 Feb 2020 17:29:45 +0100 (CET) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id B5BD91A0D00; Thu, 20 Feb 2020 17:29:45 +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 B2F6420328; Thu, 20 Feb 2020 17:29:44 +0100 (CET) From: Leonard Crestez To: Shawn Guo , Dong Aisheng Subject: [PATCH v2 2/8] clk: imx: Align imx sc clock parent msg structs to 4 Date: Thu, 20 Feb 2020 18:29:33 +0200 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200220_082947_408918_24A10B0B X-CRM114-Status: UNSURE ( 9.85 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.13 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rtc@vger.kernel.org, Alessandro Zummo , Alexandre Belloni , Abel Vesa , Anson Huang , Stephen Boyd , Michael Turquette , Stefan Agner , linux-clk@vger.kernel.org, Franck LENORMAND , linux-gpio@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, Fabio Estevam , Linus Walleij , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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: 666aed2d13ee ("clk: imx: scu: add set parent support") Signed-off-by: Leonard Crestez --- drivers/clk/imx/clk-scu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c index 3c5c42d8833e..b8b2072742a5 100644 --- a/drivers/clk/imx/clk-scu.c +++ b/drivers/clk/imx/clk-scu.c @@ -82,11 +82,11 @@ struct imx_sc_msg_get_clock_parent { struct imx_sc_rpc_msg hdr; union { struct req_get_clock_parent { __le16 resource; u8 clk; - } __packed req; + } __packed __aligned(4) req; struct resp_get_clock_parent { u8 parent; } resp; } data; };