Received: by 2002:a5b:505:0:0:0:0:0 with SMTP id o5csp4750361ybp; Mon, 14 Oct 2019 09:26:27 -0700 (PDT) X-Google-Smtp-Source: APXvYqwWUXoRSw/lzyf/HZUMnXXEo1TITPABG8LWp65ju93HwNzkIVaG+8F9VoLafoikl5bulYkD X-Received: by 2002:a17:906:194d:: with SMTP id b13mr29584733eje.199.1571070387445; Mon, 14 Oct 2019 09:26:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1571070387; cv=none; d=google.com; s=arc-20160816; b=npNA32tx1/W2kY7wbD9Gi+aTl5Os/c9IPmL/AZw1MxYiaKcM+2OMFZHu2WltuK8nEq Gc0V4drXzZYz8oCkf/pE8+uAcpRU+qoAHzRXIFssjs49bBmXpsvWXGRho9201585Yoc3 nZPVxB/bG/kH2bnk0aklMNi1a2zbLaTHTQXiyV+JlCH7Z3+iAz/sqAXXi1EQlpArwiXj pFSuaNV1iNM2asntSCHiz/NPWRVcw+ky9ZF/QaaIepZaJSOe35bISV5QOqSx8klRc6ks O3yZLaaeOy6mxVouBFc91wMN7+Mmsa1zR8dQoaE6qriMHIBRNhOk7Fo42Pzb3Bm1rcsr M+CA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=e01RzJIoP+rPJQiXsUbAGmlSUpSrEjw1FfBk8H3IsX4=; b=k97M4jyfN120BdOWudRC864CUJfFmQXePTPWR6Xn8212cDKGVySE4BNMj0TgAofJMh +Jn1wO8mZTNaSCzDUFI3Ovc6hCttLWqCKoBS6u6i5kZqSKn8HwBq+EbdDuOy8HQW/AZi u0pEkJ6cp95SJsL6MOrnFzyM4ttzi+cSRyB7Kg0aMlSb+3EVygArjN9rE1Q1OOLkRxVr 7gKq0cd+Rja8D57IMeKBJlYxO+RY7+UfuiGRoXtFxpMcD+ho3kpiU5hvhnQ9nJeZH0/H E0iuS8W227O2N5ht9Ducy8O1jk9IX5YjRCtV7zslkmrAjFMUzt51vYbOpeVECe7uL0DC j1+Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id nh5si11333778ejb.154.2019.10.14.09.26.03; Mon, 14 Oct 2019 09:26:27 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730321AbfJNPuZ (ORCPT + 99 others); Mon, 14 Oct 2019 11:50:25 -0400 Received: from relay1-d.mail.gandi.net ([217.70.183.193]:37739 "EHLO relay1-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730000AbfJNPuY (ORCPT ); Mon, 14 Oct 2019 11:50:24 -0400 X-Originating-IP: 86.207.98.53 Received: from localhost (aclermont-ferrand-651-1-259-53.w86-207.abo.wanadoo.fr [86.207.98.53]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 20BBD240018; Mon, 14 Oct 2019 15:50:22 +0000 (UTC) Date: Mon, 14 Oct 2019 17:50:21 +0200 From: Alexandre Belloni To: Nick Crews Cc: Alessandro Zummo , linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org, Pavel Machek , enric.balletbo@collabora.com, bleung@chromium.org, dlaurie@chromium.org, djkurtz@chromium.org, dtor@google.com, campello@chromium.org Subject: Re: [PATCH v4] rtc: wilco-ec: Handle reading invalid times Message-ID: <20191014155021.GR3125@piout.net> References: <20191004142608.170159-1-ncrews@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191004142608.170159-1-ncrews@chromium.org> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/10/2019 08:26:08-0600, Nick Crews wrote: > If the RTC HW returns an invalid time, the rtc_year_days() > call would crash. This patch adds error logging in this > situation, and removes the tm_yday and tm_wday calculations. > These fields should not be relied upon by userspace > according to man rtc, and thus we don't need to calculate > them. > > Signed-off-by: Nick Crews > --- > drivers/rtc/rtc-wilco-ec.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > Applied, thanks. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com