From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751149AbcFRVNZ (ORCPT ); Sat, 18 Jun 2016 17:13:25 -0400 Received: from mx1.polytechnique.org ([129.104.30.34]:45402 "EHLO mx1.polytechnique.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751046AbcFRVNY (ORCPT ); Sat, 18 Jun 2016 17:13:24 -0400 From: Nicolas Iooss To: Lars-Peter Clausen , Michael Hennerich , Greg Kroah-Hartman , Ksenija Stanojevic Cc: Jonathan Cameron , Hartmut Knaack , Peter Meerwald-Stadler , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Nicolas Iooss Subject: [PATCH 1/1] staging: iio: initialize data pointer before using it Date: Sat, 18 Jun 2016 23:12:24 +0200 Message-Id: <20160618211224.23183-1-nicolas.iooss_linux@m4x.org> X-Mailer: git-send-email 2.8.3 X-AV-Checked: ClamAV using ClamSMTP at svoboda.polytechnique.org (Sat Jun 18 23:13:21 2016 +0200 (CEST)) X-Spam-Flag: No, tests=bogofilter, spamicity=0.000462, queueID=3581F56492D Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ad7606_spi_read_block() reads SPI big-endian data into a buffer which is then converted to CPU byte-order with a second variable. This variable, data, has been left unitialized after commit 87787e5ef727 ("Staging: iio: Fix sparse endian warning"). Signed-off-by: Nicolas Iooss Fixes: 87787e5ef727 ("Staging: iio: Fix sparse endian warning") --- drivers/staging/iio/adc/ad7606_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/iio/adc/ad7606_spi.c b/drivers/staging/iio/adc/ad7606_spi.c index 825da0769936..9587fa86dc69 100644 --- a/drivers/staging/iio/adc/ad7606_spi.c +++ b/drivers/staging/iio/adc/ad7606_spi.c @@ -21,7 +21,7 @@ static int ad7606_spi_read_block(struct device *dev, { struct spi_device *spi = to_spi_device(dev); int i, ret; - unsigned short *data; + unsigned short *data = buf; __be16 *bdata = buf; ret = spi_read(spi, buf, count * 2); -- 2.8.3