From patchwork Mon Jul 12 06:12:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 473052 Delivered-To: patch@linaro.org Received: by 2002:a02:c94a:0:0:0:0:0 with SMTP id u10csp2717189jao; Mon, 12 Jul 2021 01:15:47 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw4yZhxJVEssFY+WYrJ4DrOMOVWwpU3UinVxCg1sAEzrG3T+WMXB53v+XiaBhJbGlJDUDt+ X-Received: by 2002:a17:906:b53:: with SMTP id v19mr19683646ejg.262.1626077747261; Mon, 12 Jul 2021 01:15:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1626077747; cv=none; d=google.com; s=arc-20160816; b=zGycxa9CUCtKH6YEYdqjwsTDX+jnZ0rJpRVFL3tIEt7ZcvAgfTkGdroCatmLkzm9GM 6+0Ve2uM5x3nbTls9lPc7tG0MafrnpAx9P8AU3qRoE9nP/EQJkqImkZaM9Hhp35cJslR xobafNI1xXkXR6Y9VgdWo9Lk8sn/wmvjrb5lnnU3/70/99tdRA33TvCRnOfUzZjMP73U y1OjtK4vYguEQHjI4/euPOf0YYyDIf+YsMXCDLH+eFEiHXGz2YLyNUaXBQLgtKog13C5 dvW97yNdrvhadgP+5H+b1buFnekm9gtcVMz1ON5p5OoPZ4gaMO4XucODzb+7xDEGyOBD pubg== 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 :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=eTcA0rBdNNg29tEUjf7UF7bx+DJHwqNb6aYjmx2Bhlo=; b=cGAev/2bFhzV0SF7Jl7t0gcGA7jWB5dd9tgtE6ui3P79AQKsCk/nVN31FTOqCEEVvY Mn/jRo3tuYVyXx+nfrZSZCi1E+7OABYY2ELjzrT2eRJ2TwUanKJZbP4srB9dT/PPGT7a lwcbYxC6PjcBLyqqDcbU39S2kQimssAX3gjWUvhGYc1JjCehidbK+xTWHKA1Cs1kfhX1 8ccKh5ZGeZ9stENJQ3nTYaVU3CaJLvGQOaIOgVfaF6WOORlL5tlsp7ikdQGegCtGIg7j KEREke1pZt5RBeRjfhlcuXZbg5PII0h/2IbwTOGu8WvP6436NstksFK6kzhBPN+cg0de 0/Fw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="jHh3Rr/j"; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n21si13642925eda.13.2021.07.12.01.15.46; Mon, 12 Jul 2021 01:15:47 -0700 (PDT) Received-SPF: pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="jHh3Rr/j"; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355710AbhGLIKO (ORCPT + 12 others); Mon, 12 Jul 2021 04:10:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:55674 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353653AbhGLICo (ORCPT ); Mon, 12 Jul 2021 04:02:44 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 527C361607; Mon, 12 Jul 2021 07:56:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626076598; bh=n6bSUlpng1DZ730pLoTG2r/SoD7W+ZmcSR6TbvuGNF8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jHh3Rr/jr4wPanPibKfRrMUZCPzmiflnqiL6ylavsfRcrlyHVpTf0VRFPdXRhwKZg tP3kVUrTIV9Mk3mAGI/xdNJJW9EsCJ3YL6gRpxFIZM6WtMWmMK1Z5fr+n9Z7QmgCWr uylV9yPxfGFHn1Xw/zYkJs7Qz+tLOfuQ2CQXhbgg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Song Qiang , =?utf-8?q?Nuno_S=C3=A1?= , Sasha Levin Subject: [PATCH 5.13 713/800] iio: magn: rm3100: Fix alignment of buffer in iio_push_to_buffers_with_timestamp() Date: Mon, 12 Jul 2021 08:12:16 +0200 Message-Id: <20210712061042.598880139@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060912.995381202@linuxfoundation.org> References: <20210712060912.995381202@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jonathan Cameron [ Upstream commit b8f939fd20690623cb24845a563e7bc1e4a21482 ] Add __aligned(8) to ensure the buffer passed to iio_push_to_buffers_with_timestamp() is suitable for the naturally aligned timestamp that will be inserted. Here an explicit structure is not used, because this buffer is used in a non-trivial way for data repacking. Fixes: 121354b2eceb ("iio: magnetometer: Add driver support for PNI RM3100") Signed-off-by: Jonathan Cameron Cc: Song Qiang Reviewed-by: Nuno Sá Link: https://lore.kernel.org/r/20210613152301.571002-6-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/magnetometer/rm3100-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.30.2 diff --git a/drivers/iio/magnetometer/rm3100-core.c b/drivers/iio/magnetometer/rm3100-core.c index dd811da9cb6d..934da20781bb 100644 --- a/drivers/iio/magnetometer/rm3100-core.c +++ b/drivers/iio/magnetometer/rm3100-core.c @@ -78,7 +78,8 @@ struct rm3100_data { bool use_interrupt; int conversion_time; int scale; - u8 buffer[RM3100_SCAN_BYTES]; + /* Ensure naturally aligned timestamp */ + u8 buffer[RM3100_SCAN_BYTES] __aligned(8); struct iio_trigger *drdy_trig; /*