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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 A47FDC433E5 for ; Tue, 30 Mar 2021 11:47:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F17261996 for ; Tue, 30 Mar 2021 11:47:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231960AbhC3LrA (ORCPT ); Tue, 30 Mar 2021 07:47:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231969AbhC3Lqa (ORCPT ); Tue, 30 Mar 2021 07:46:30 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DB11C061574 for ; Tue, 30 Mar 2021 04:46:30 -0700 (PDT) Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=bjornoya.blackshift.org) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lRCpI-00068H-RG for linux-can@vger.kernel.org; Tue, 30 Mar 2021 13:46:28 +0200 Received: from dspam.blackshift.org (localhost [127.0.0.1]) by bjornoya.blackshift.org (Postfix) with SMTP id B30B9603E54 for ; Tue, 30 Mar 2021 11:46:15 +0000 (UTC) Received: from hardanger.blackshift.org (unknown [172.20.34.65]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by bjornoya.blackshift.org (Postfix) with ESMTPS id E34B0603DF7; Tue, 30 Mar 2021 11:46:06 +0000 (UTC) Received: from blackshift.org (localhost [::1]) by hardanger.blackshift.org (OpenSMTPD) with ESMTP id 647a84b1; Tue, 30 Mar 2021 11:46:00 +0000 (UTC) From: Marc Kleine-Budde To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, linux-can@vger.kernel.org, kernel@pengutronix.de, Arnd Bergmann , Marc Kleine-Budde Subject: [net-next 13/39] can: ucan: fix alignment constraints Date: Tue, 30 Mar 2021 13:45:33 +0200 Message-Id: <20210330114559.1114855-14-mkl@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210330114559.1114855-1-mkl@pengutronix.de> References: <20210330114559.1114855-1-mkl@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-can@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-can@vger.kernel.org From: Arnd Bergmann struct ucan_message_in contains member with 4-byte alignment but is itself marked as unaligned, which triggers a warning: drivers/net/can/usb/ucan.c:249:1: warning: alignment 1 of 'struct ucan_message_in' is less than 4 [-Wpacked-not-aligned] Mark the outer structure to have the same alignment as the inner one. Link: https://lore.kernel.org/r/20210204162625.3099392-1-arnd@kernel.org Signed-off-by: Arnd Bergmann Signed-off-by: Marc Kleine-Budde --- drivers/net/can/usb/ucan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/usb/ucan.c b/drivers/net/can/usb/ucan.c index 11fddedc36d4..1679cbe45ded 100644 --- a/drivers/net/can/usb/ucan.c +++ b/drivers/net/can/usb/ucan.c @@ -246,7 +246,7 @@ struct ucan_message_in { */ struct ucan_tx_complete_entry_t can_tx_complete_msg[0]; } __aligned(0x4) msg; -} __packed; +} __packed __aligned(0x4); /* Macros to calculate message lengths */ #define UCAN_OUT_HDR_SIZE offsetof(struct ucan_message_out, msg) -- 2.30.2