From patchwork Tue Mar 30 11:45:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Kleine-Budde X-Patchwork-Id: 411699 Delivered-To: patch@linaro.org Received: by 2002:a02:8562:0:0:0:0:0 with SMTP id g89csp4386193jai; Tue, 30 Mar 2021 04:47:30 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxUh2Er4J8pV/X6IAsDGwkre4JsVv/Wxv6L09bTnmK9rg0uT+IUAllaURWbSs5EEQ7D4WLf X-Received: by 2002:a17:906:32d1:: with SMTP id k17mr32925123ejk.94.1617104850051; Tue, 30 Mar 2021 04:47:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617104850; cv=none; d=google.com; s=arc-20160816; b=A4egKJGTiCFJ+ETNUa5YGWkiLpYWc2zKhoEygnY1JE4SepiPmltnCK+XTn10R5ekoD iBzRSWl/+qO/I3B94wkdLwfSmF5qH2QpEcnaGbRlYW1vR/blntSXUiM7l/IeBIYOrd+8 UE7uUDutymRo2uaeJfazr2GFe5X/kc+R0EEmL97xKbFCsEzOjWtAK8SkDZd3yp4WsguR Fd1XWfDi7kvER14Mzo05UZT7dp05L+Py5mUsD4HVtx36UjEhxt5c+YJ+8N54X2ALO+/U 3MCpT1JSg1tciH2icj40Gn0w8oRJUHtf5oo5geUcQslIUMO6Me/2H5j18Yoc5ZJROwFU Nusw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=M3lM0D8hndhsKiqLpZoU3lM4YgmBWVGWUri3zICP1nk=; b=UDtT8xxBAuxEWXyfag7OoTKYtUdaqxu/Yx9lB0xiDc/YSEOOWzjc3uEZVcL5yrd4Vx Z1vR++RsZl0BkRCarxrNm1hPIp/iObkju+mAmtTHeA1YDWNDOpNdnPPvP14t9PosHl+i wkrPrHx3lMBnYPizGUFZwwnIH0nVsJYopNDoWIDeeiAsHmwulaouUjZJiA99je2kKDFe kvZLGy5zgOCYS2qYW6CF0vYWxXNovG2FcK4KlfB96sZ4GiFEHuh+tO/+wq8d+lAUXxqe sE+qm+bZZNeC3EKK6wKjT01T0ByaAmwsjNZAyWlogVqGR/Bhst5ZazOhYxwnkYVJ0tBp GrIw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of netdev-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=netdev-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h13si14105868edq.173.2021.03.30.04.47.29; Tue, 30 Mar 2021 04:47:30 -0700 (PDT) Received-SPF: pass (google.com: domain of netdev-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of netdev-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=netdev-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232087AbhC3LrG (ORCPT + 8 others); Tue, 30 Mar 2021 07:47:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38120 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231962AbhC3Lqa (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 C178FC061762 for ; Tue, 30 Mar 2021 04:46:29 -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-0006A8-De for netdev@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 08615603E5D for ; Tue, 30 Mar 2021 11:46:17 +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 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: netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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(-) -- 2.30.2 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)