From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: [patch] Input: sentelic - silence some underflow warnings Date: Fri, 21 Aug 2015 11:46:56 +0300 Message-ID: <20150821084656.GA25369@mwanda> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:16856 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752492AbbHUIrH (ORCPT ); Fri, 21 Aug 2015 04:47:07 -0400 Content-Disposition: inline Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov Cc: Henrik Rydberg , linux-input@vger.kernel.org, kernel-janitors@vger.kernel.org I have a static checker that complains when we check for an upper bound but don't have a coresponding check for a lower bound. With this code, the upper bound check seems not really required, so it is not a bug to leave the lower bound check out as well. But let's silence the warning by making these variables unsigned. Signed-off-by: Dan Carpenter diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c index cc7e0d4..11c32ac 100644 --- a/drivers/input/mouse/sentelic.c +++ b/drivers/input/mouse/sentelic.c @@ -432,7 +432,7 @@ static int fsp_onpad_hscr(struct psmouse *psmouse, bool enable) static ssize_t fsp_attr_set_setreg(struct psmouse *psmouse, void *data, const char *buf, size_t count) { - int reg, val; + unsigned int reg, val; char *rest; ssize_t retval; @@ -440,7 +440,7 @@ static ssize_t fsp_attr_set_setreg(struct psmouse *psmouse, void *data, if (rest == buf || *rest != ' ' || reg > 0xff) return -EINVAL; - retval = kstrtoint(rest + 1, 16, &val); + retval = kstrtouint(rest + 1, 16, &val); if (retval) return retval; @@ -476,9 +476,10 @@ static ssize_t fsp_attr_set_getreg(struct psmouse *psmouse, void *data, const char *buf, size_t count) { struct fsp_data *pad = psmouse->private; - int reg, val, err; + unsigned int reg, val; + int err; - err = kstrtoint(buf, 16, ®); + err = kstrtouint(buf, 16, ®); if (err) return err; @@ -511,9 +512,10 @@ static ssize_t fsp_attr_show_pagereg(struct psmouse *psmouse, static ssize_t fsp_attr_set_pagereg(struct psmouse *psmouse, void *data, const char *buf, size_t count) { - int val, err; + unsigned int val; + int err; - err = kstrtoint(buf, 16, &val); + err = kstrtouint(buf, 16, &val); if (err) return err;