Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752181AbaBKQI7 (ORCPT ); Tue, 11 Feb 2014 11:08:59 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:32448 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750978AbaBKQI6 (ORCPT ); Tue, 11 Feb 2014 11:08:58 -0500 Date: Tue, 11 Feb 2014 19:08:26 +0300 From: Dan Carpenter To: Evgeniy Polyakov , David Fries Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [patch] w1: small type cleanup in sysfs Message-ID: <20140211160826.GD9406@elgon.mountain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 64 bit systems, a large value for "tmp" could be truncated so we still end up with a ->max_slave_count which is less than one despite the "tmp < 1" check. This is more of a problem for static checkers than a real life issue, but it's simple enough to fix. Signed-off-by: Dan Carpenter diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index 9eb816b2ea5e..b96f61b15dc6 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -320,10 +320,10 @@ static ssize_t w1_master_attribute_show_timeout(struct device *dev, struct devic static ssize_t w1_master_attribute_store_max_slave_count(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - long tmp; + int tmp; struct w1_master *md = dev_to_w1_master(dev); - if (kstrtol(buf, 0, &tmp) == -EINVAL || tmp < 1) + if (kstrtoint(buf, 0, &tmp) == -EINVAL || tmp < 1) return -EINVAL; mutex_lock(&md->mutex); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/