From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751604AbdANQtD (ORCPT ); Sat, 14 Jan 2017 11:49:03 -0500 Received: from fllnx210.ext.ti.com ([198.47.19.17]:9469 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751389AbdANQtB (ORCPT ); Sat, 14 Jan 2017 11:49:01 -0500 Subject: Re: [PATCH][V2] pinctrl: ti-iodelay: remove redundant pin < 0 check on unsigned int To: Colin King , Linus Walleij , Lokesh Vutla , Rob Herring , References: <20170113210636.5173-1-colin.king@canonical.com> CC: From: Nishanth Menon Message-ID: Date: Sat, 14 Jan 2017 10:48:56 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <20170113210636.5173-1-colin.king@canonical.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/13/2017 03:06 PM, Colin King wrote: > From: Colin Ian King > > pin is an unsigned int and therefore can never be < 0 so > this check is redundant. Remove the check and the associated > dev_err error message. > > Fixes CoverityScan CID#1396438 ("Unsigned compared against 0") > > Signed-off-by: Colin Ian King > --- > drivers/pinctrl/ti/pinctrl-ti-iodelay.c | 6 ------ > 1 file changed, 6 deletions(-) > > diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c > index 3b86d3d..a345166 100644 > --- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c > +++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c > @@ -665,12 +665,6 @@ static void ti_iodelay_pin_dbg_show(struct pinctrl_dev *pctldev, > r = iod->reg_data; > > offset = ti_iodelay_pin_to_offset(iod, pin); > - if (pin < 0) { > - dev_err(iod->dev, "invalid pin offset for pin%i\n", pin); > - > - return; > - } > - > pd = &iod->pa[pin]; > cfg = pd->drv_data; > > Acked-by: Nishanth Menon -- Regards, Nishanth Menon