From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 361B9C433DF for ; Fri, 17 Jul 2020 09:13:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D4352070E for ; Fri, 17 Jul 2020 09:13:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726557AbgGQJNa (ORCPT ); Fri, 17 Jul 2020 05:13:30 -0400 Received: from relay1-d.mail.gandi.net ([217.70.183.193]:36455 "EHLO relay1-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725864AbgGQJNa (ORCPT ); Fri, 17 Jul 2020 05:13:30 -0400 X-Originating-IP: 90.65.108.121 Received: from localhost (lfbn-lyo-1-1676-121.w90-65.abo.wanadoo.fr [90.65.108.121]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 922C0240017; Fri, 17 Jul 2020 09:13:27 +0000 (UTC) Date: Fri, 17 Jul 2020 11:13:27 +0200 From: Alexandre Belloni To: Claudiu Beznea Cc: mturquette@baylibre.com, sboyd@kernel.org, nicolas.ferre@microchip.com, ludovic.desroches@microchip.com, bbrezillon@kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 05/19] clk: at91: sam9x60-pll: use logical or for range check Message-ID: <20200717091327.GM3428@piout.net> References: <1594812267-6697-1-git-send-email-claudiu.beznea@microchip.com> <1594812267-6697-6-git-send-email-claudiu.beznea@microchip.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1594812267-6697-6-git-send-email-claudiu.beznea@microchip.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 15/07/2020 14:24:13+0300, Claudiu Beznea wrote: > Use logical or for range check. In case bestrate is not in > characteristics->output[0].min..characteristics->output[0].max > range we should return -ERANGE. > > Fixes: a436c2a447e59 ("clk: at91: add sam9x60 PLL driver") > Signed-off-by: Claudiu Beznea Reviewed-by: Alexandre Belloni > --- > drivers/clk/at91/clk-sam9x60-pll.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/clk/at91/clk-sam9x60-pll.c b/drivers/clk/at91/clk-sam9x60-pll.c > index d3152c0afcbf..dfb91c190bd1 100644 > --- a/drivers/clk/at91/clk-sam9x60-pll.c > +++ b/drivers/clk/at91/clk-sam9x60-pll.c > @@ -232,7 +232,7 @@ static long sam9x60_pll_get_best_div_mul(struct sam9x60_pll *pll, > } > > /* Check if bestrate is a valid output rate */ > - if (bestrate < characteristics->output[0].min && > + if (bestrate < characteristics->output[0].min || > bestrate > characteristics->output[0].max) > return -ERANGE; > > -- > 2.7.4 > -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com