From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932922AbbIVHhY (ORCPT ); Tue, 22 Sep 2015 03:37:24 -0400 Received: from mailout4.w1.samsung.com ([210.118.77.14]:64748 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932340AbbIVHhX (ORCPT ); Tue, 22 Sep 2015 03:37:23 -0400 X-AuditID: cbfec7f5-f794b6d000001495-04-560105304864 Message-id: <5601052C.50809@samsung.com> Date: Tue, 22 Sep 2015 09:37:16 +0200 From: Jacek Anaszewski User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130804 Thunderbird/17.0.8 MIME-version: 1.0 To: Andrzej Hajda Cc: linux-kernel@vger.kernel.org, Bartlomiej Zolnierkiewicz , Marek Szyprowski , Richard Purdie , linux-leds@vger.kernel.org Subject: Re: [PATCH 31/38] leds: tca6507: remove invalid check References: <1442842450-29769-1-git-send-email-a.hajda@samsung.com> <1442842450-29769-32-git-send-email-a.hajda@samsung.com> In-reply-to: <1442842450-29769-32-git-send-email-a.hajda@samsung.com> Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrHLMWRmVeSWpSXmKPExsVy+t/xy7oGrIxhBrN7RC1urTvHarFxxnpW i8u75rBZbH2zjtFi7ZG77Ba7dz1ldWDz2DP/B6tH35ZVjB6fN8kFMEdx2aSk5mSWpRbp2yVw Zdxf3cpesI2jYkFDA1MD42u2LkZODgkBE4nTHy8zQthiEhfurQeKc3EICSxllFi6ew8jhPOM UeLJremsIFW8AhoSDbO6mUBsFgFVicmze5lBbDYBQ4mfL16DxUUFIiT+nN4HVS8o8WPyPRYQ W0RAXWL2yTvMIEOZBU4ySpx8uQasQVjATuLXretgDUICdRJ3P0E0cwq4SrycMR/sPGYBa4mV k7ZB2fISm9e8ZZ7AKDALyY5ZSMpmISlbwMi8ilE0tTS5oDgpPddIrzgxt7g0L10vOT93EyMk lL/uYFx6zOoQowAHoxIPr0cfQ5gQa2JZcWXuIUYJDmYlEd7n/4FCvCmJlVWpRfnxRaU5qcWH GKU5WJTEeWfueh8iJJCeWJKanZpakFoEk2Xi4JRqYEx87J4kNDvwmFbsnVCJl9rLY0vk8jKe n2jcFuQfyCRwSirKxbPgwet5jXWhG8wfm8x411Z0lXmlzMKVJ1vd0pwu30l84Zp2ZLH0992r 7Ocdm/9hl9mR+G17JJSD2rYWtlzcye8+q3WTkGD1iqcLXRck++ZxF31aLrvEh0tWbFpR/4Ot 7vnOBUosxRmJhlrMRcWJAMkHZPRhAgAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrzej, On 09/21/2015 03:34 PM, Andrzej Hajda wrote: > unsigned value cannot be lesser than zero. > > The problem has been detected using proposed semantic patch > scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. > > [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 > > Signed-off-by: Andrzej Hajda > --- > drivers/leds/leds-tca6507.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c > index edbecc4..93564f6 100644 > --- a/drivers/leds/leds-tca6507.c > +++ b/drivers/leds/leds-tca6507.c > @@ -713,7 +713,7 @@ tca6507_led_dt_init(struct i2c_client *client) > if (of_property_match_string(child, "compatible", "gpio") >= 0) > led.flags |= TCA6507_MAKE_GPIO; > ret = of_property_read_u32(child, "reg", ®); > - if (ret != 0 || reg < 0 || reg >= NUM_LEDS) > + if (ret != 0 || reg >= NUM_LEDS) > continue; > > tca_leds[reg] = led; > Merged, thanks. -- Best Regards, Jacek Anaszewski