Return-path: Received: from mout.kundenserver.de ([212.227.126.133]:60857 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751689AbdK0Lv6 (ORCPT ); Mon, 27 Nov 2017 06:51:58 -0500 From: Arnd Bergmann To: Kalle Valo Cc: y2038@lists.linaro.org, Arnd Bergmann , Waldemar Rymarkiewicz , Erik Stromdahl , Mohammed Shafi Shajakhan , Sarada Prasanna Garnayak , Venkateswara Naralasetty , Marcin Rokicki , ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] ath10k: use 64-bit crash dump timestamps Date: Mon, 27 Nov 2017 12:49:51 +0100 Message-Id: <20171127115113.2831506-1-arnd@arndb.de> (sfid-20171127_125217_522266_54B41D49) Sender: linux-wireless-owner@vger.kernel.org List-ID: The dump format uses 64-bit timestamps already, but calling getnstimeofday() only returns a 32-bit number on 32-bit architectures, so that will overflow in y2038. This changes it to use ktime_get_real_ts64() instead. Signed-off-by: Arnd Bergmann --- drivers/net/wireless/ath/ath10k/core.h | 2 +- drivers/net/wireless/ath/ath10k/debug.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 643041ef3271..dd3c6c63aae1 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -463,7 +463,7 @@ struct ath10k_fw_crash_data { bool crashed_since_read; guid_t guid; - struct timespec timestamp; + struct timespec64 timestamp; __le32 registers[REG_DUMP_COUNT_QCA988X]; struct ath10k_ce_crash_data ce_crash_data[CE_COUNT_MAX]; }; diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index df514507d3f1..66498e3c0f91 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -720,7 +720,7 @@ ath10k_debug_get_new_fw_crash_data(struct ath10k *ar) crash_data->crashed_since_read = true; guid_gen(&crash_data->guid); - getnstimeofday(&crash_data->timestamp); + ktime_get_real_ts64(&crash_data->timestamp); return crash_data; } -- 2.9.0