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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 733D5C43603 for ; Wed, 11 Dec 2019 15:42:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 457732073B for ; Wed, 11 Dec 2019 15:42:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576078973; bh=FVo9RzpRNbSQ5+JdfVLkPWd3hzdsy+4GQz+nCCrexhQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vYBSwXwcvQa/enoFTSStXmrP2BJ/9C3+5j5JhRLDlZ0ueyeXvHnLcchLOnWtJVIOm fmUncMpEvUUvkjUjACvvayaLJOP4eCDNtjkmBTc0S1SwWhsqM8DDIXdxS4dOPWuCkq jZ/vpVUutZIq5b/onPdOtfJEAzqzrRyCbIDv2nDU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388677AbfLKPmv (ORCPT ); Wed, 11 Dec 2019 10:42:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:33378 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387444AbfLKP1j (ORCPT ); Wed, 11 Dec 2019 10:27:39 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0B8962173E; Wed, 11 Dec 2019 15:27:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576078058; bh=FVo9RzpRNbSQ5+JdfVLkPWd3hzdsy+4GQz+nCCrexhQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JV6p8JDJtrRkL9XQ2tts2JxsE5P2wEDwG4+LGKlLKHtMM7jkp0ls13RLKO40BDOMQ KJgxLnV/7C4j7yrrqiQTIhb+Lt/wX3k+PPTj5mFvV23M5gRE+6NlaN3BfRDf56TQmb s6HE+Qy88Jv+An/jWrrVi526QkYDzNZKoC7hpps0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Qian Cai , Vishal Verma , Dan Williams , Sasha Levin , linux-nvdimm@lists.01.org Subject: [PATCH AUTOSEL 4.19 51/79] libnvdimm/btt: fix variable 'rc' set but not used Date: Wed, 11 Dec 2019 10:26:15 -0500 Message-Id: <20191211152643.23056-51-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191211152643.23056-1-sashal@kernel.org> References: <20191211152643.23056-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Qian Cai [ Upstream commit 4e24e37d5313edca8b4ab86f240c046c731e28d6 ] drivers/nvdimm/btt.c: In function 'btt_read_pg': drivers/nvdimm/btt.c:1264:8: warning: variable 'rc' set but not used [-Wunused-but-set-variable] int rc; ^~ Add a ratelimited message in case a storm of errors is encountered. Fixes: d9b83c756953 ("libnvdimm, btt: rework error clearing") Signed-off-by: Qian Cai Reviewed-by: Vishal Verma Link: https://lore.kernel.org/r/1572530719-32161-1-git-send-email-cai@lca.pw Signed-off-by: Dan Williams Signed-off-by: Sasha Levin --- drivers/nvdimm/btt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 0360c015f6580..75ae2c508a044 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1260,11 +1260,11 @@ static int btt_read_pg(struct btt *btt, struct bio_integrity_payload *bip, ret = btt_data_read(arena, page, off, postmap, cur_len); if (ret) { - int rc; - /* Media error - set the e_flag */ - rc = btt_map_write(arena, premap, postmap, 0, 1, - NVDIMM_IO_ATOMIC); + if (btt_map_write(arena, premap, postmap, 0, 1, NVDIMM_IO_ATOMIC)) + dev_warn_ratelimited(to_dev(arena), + "Error persistently tracking bad blocks at %#x\n", + premap); goto out_rtt; } -- 2.20.1