From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756585AbbAXBo3 (ORCPT ); Fri, 23 Jan 2015 20:44:29 -0500 Received: from mail-pa0-f54.google.com ([209.85.220.54]:49949 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756053AbbAXBoT (ORCPT ); Fri, 23 Jan 2015 20:44:19 -0500 From: John Stultz To: lkml Cc: Xunlei Pang , Arnd Bergmann , Thomas Gleixner , Ingo Molnar , John Stultz Subject: [PATCH 6/8] rtc: Modify rtc_hctosys() to address y2038 issues Date: Fri, 23 Jan 2015 17:43:58 -0800 Message-Id: <1422063840-2837-7-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1422063840-2837-1-git-send-email-john.stultz@linaro.org> References: <1422063840-2837-1-git-send-email-john.stultz@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Xunlei Pang rtc_hctosys() has a number of y2038 issues. This patch resolves them by: - Replace rtc_tm_to_time() with y2038-safe rtc_tm_to_time64() - Replace do_settimeofday() with y2038-safe do_settimeofday64() After this patch, it should not have any remaining y2038 issues. Cc: pang.xunlei Cc: Arnd Bergmann Cc: Thomas Gleixner Cc: Ingo Molnar Signed-off-by: Xunlei Pang Signed-off-by: John Stultz --- drivers/rtc/hctosys.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/rtc/hctosys.c b/drivers/rtc/hctosys.c index 4aa60d7..2153b52 100644 --- a/drivers/rtc/hctosys.c +++ b/drivers/rtc/hctosys.c @@ -26,7 +26,7 @@ static int __init rtc_hctosys(void) { int err = -ENODEV; struct rtc_time tm; - struct timespec tv = { + struct timespec64 tv64 = { .tv_nsec = NSEC_PER_SEC >> 1, }; struct rtc_device *rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE); @@ -52,16 +52,16 @@ static int __init rtc_hctosys(void) goto err_invalid; } - rtc_tm_to_time(&tm, &tv.tv_sec); + tv64.tv_sec = rtc_tm_to_time64(&tm); - err = do_settimeofday(&tv); + err = do_settimeofday64(&tv64); dev_info(rtc->dev.parent, "setting system clock to " - "%d-%02d-%02d %02d:%02d:%02d UTC (%u)\n", + "%d-%02d-%02d %02d:%02d:%02d UTC (%lld)\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec, - (unsigned int) tv.tv_sec); + (long long) tv64.tv_sec); err_invalid: err_read: -- 1.9.1