From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754968AbdK2NpY (ORCPT ); Wed, 29 Nov 2017 08:45:24 -0500 Received: from mga02.intel.com ([134.134.136.20]:39581 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932321AbdK2Nmy (ORCPT ); Wed, 29 Nov 2017 08:42:54 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,473,1505804400"; d="scan'208";a="1249888295" From: Adrian Hunter To: Ulf Hansson Cc: linux-mmc , linux-block , linux-kernel , Bough Chen , Alex Lemberg , Mateusz Nowak , Yuliy Izrailov , Jaehoon Chung , Dong Aisheng , Das Asutosh , Zhangfei Gao , Sahitya Tummala , Harjani Ritesh , Venu Byravarasu , Linus Walleij , Shawn Lin , Bartlomiej Zolnierkiewicz , Christoph Hellwig Subject: [PATCH V15 14/22] mmc: block: Check the timeout correctly in card_busy_detect() Date: Wed, 29 Nov 2017 15:41:11 +0200 Message-Id: <1511962879-24262-15-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1511962879-24262-1-git-send-email-adrian.hunter@intel.com> References: <1511962879-24262-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pedantically, ensure the status is checked for the last time after the full timeout has passed. Signed-off-by: Adrian Hunter --- drivers/mmc/core/block.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index c446d17b48c4..f7c387c27ac0 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -931,6 +931,8 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms, u32 status; do { + bool done = time_after(jiffies, timeout); + err = __mmc_send_status(card, &status, 5); if (err) { pr_err("%s: error %d requesting status\n", @@ -951,7 +953,7 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms, * Timeout if the device never becomes ready for data and never * leaves the program state. */ - if (time_after(jiffies, timeout)) { + if (done) { pr_err("%s: Card stuck in programming state! %s %s\n", mmc_hostname(card->host), req->rq_disk->disk_name, __func__); -- 1.9.1