From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH] video: backlight: adp8870: Fix warn_unused_result warning reported by Stephen Rothwell Date: Fri, 29 Oct 2010 16:54:26 +0200 Message-ID: <1288364066-18709-1-git-send-email-michael.hennerich@analog.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from nwd2mail10.analog.com ([137.71.25.55]:60016 "EHLO nwd2mail10.analog.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757194Ab0J2PBV (ORCPT ); Fri, 29 Oct 2010 11:01:21 -0400 Sender: linux-next-owner@vger.kernel.org List-ID: To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, device-drivers-devel@blackfin.uclinux.org, drivers@analog.com, rpurdie@linux.intel.com, linux-next@vger.kernel.org, sfr@canb.auug.org.au, Michael Hennerich From: Michael Hennerich handle return value, strict_strtoul is declared with attribute warn_unused_result Signed-off-by: Michael Hennerich --- drivers/video/backlight/adp8860_bl.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c index 3ec2460..8746303 100644 --- a/drivers/video/backlight/adp8860_bl.c +++ b/drivers/video/backlight/adp8860_bl.c @@ -502,8 +502,10 @@ static ssize_t adp8860_bl_l1_daylight_max_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct adp8860_bl *data = dev_get_drvdata(dev); + int ret = strict_strtoul(buf, 10, &data->cached_daylight_max); + if (ret) + return ret; - strict_strtoul(buf, 10, &data->cached_daylight_max); return adp8860_store(dev, buf, count, ADP8860_BLMX1); } static DEVICE_ATTR(l1_daylight_max, 0664, adp8860_bl_l1_daylight_max_show, -- 1.6.0.2