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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_RED, 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 89ACAC43381 for ; Mon, 28 Dec 2020 13:58:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5D36F2063A for ; Mon, 28 Dec 2020 13:58:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407611AbgL1N6Z (ORCPT ); Mon, 28 Dec 2020 08:58:25 -0500 Received: from mail.kernel.org ([198.145.29.99]:60040 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391624AbgL1N6V (ORCPT ); Mon, 28 Dec 2020 08:58:21 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 37A3F2078D; Mon, 28 Dec 2020 13:57:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609163859; bh=JJ98nMTw0U+b1TISDdZ/VTbdI0leF7vvt/tfhi4+4g0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IJ4fAW4BVYWzRBUXQW8YPgIhIx8mn1S8ykj01Ta4tTJvoArN0M6cBqqam25w2ioGp vMaqhCIHWYojkOaJ4XzFECDX2bMVDPZ6YqOIlGAe94TYExSczgVMWFsdlhQKb+gOyW 9a0k9/gsEyQYX1zXdrzsHKv+bnTeHr7e2wwAU7sU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Alexandru Ardelean , Dan Murphy , Stable@vger.kernel.org Subject: [PATCH 5.4 432/453] iio:adc:ti-ads124s08: Fix buffer being too long. Date: Mon, 28 Dec 2020 13:51:08 +0100 Message-Id: <20201228124958.015381701@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228124937.240114599@linuxfoundation.org> References: <20201228124937.240114599@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonathan Cameron commit b0bd27f02d768e3a861c4e6c27f8e369720e6c25 upstream. The buffer is expressed as a u32 array, yet the extra space for the s64 timestamp was expressed as sizeof(s64)/sizeof(u16). This will result in 2 extra u32 elements. Fix by dividing by sizeof(u32). Fixes: e717f8c6dfec ("iio: adc: Add the TI ads124s08 ADC code") Signed-off-by: Jonathan Cameron Reviewed-by: Alexandru Ardelean Cc: Dan Murphy Cc: Link: https://lore.kernel.org/r/20200920112742.170751-8-jic23@kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/iio/adc/ti-ads124s08.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/iio/adc/ti-ads124s08.c +++ b/drivers/iio/adc/ti-ads124s08.c @@ -270,7 +270,7 @@ static irqreturn_t ads124s_trigger_handl struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct ads124s_private *priv = iio_priv(indio_dev); - u32 buffer[ADS124S08_MAX_CHANNELS + sizeof(s64)/sizeof(u16)]; + u32 buffer[ADS124S08_MAX_CHANNELS + sizeof(s64)/sizeof(u32)]; int scan_index, j = 0; int ret;