From patchwork Tue May 26 18:53:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 225246 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 0083CC433E0 for ; Tue, 26 May 2020 19:27:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C462020721 for ; Tue, 26 May 2020 19:27:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590521226; bh=36qQNXW0vrV1cpauf0h8+fAq47FTsFqzhPggG0em0tY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=UQW7aC9qNtM3jSEYFiSo1vqavBnIss17R/rWnsWjBlhGOUu1YTvfNytFIX58qK+C8 wqxw1TH0lzLoZ3bdiKzu9WYEEQT5T48fJQtnSyyHQ/9I/tXVGtfDL8eBJ82umY4Nyq nZ9zgj6pUkwGJnr2dqlQmoSFtesrU/FdGiyIjdaE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391394AbgEZTEn (ORCPT ); Tue, 26 May 2020 15:04:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:60448 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390877AbgEZTEm (ORCPT ); Tue, 26 May 2020 15:04:42 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 35DF720873; Tue, 26 May 2020 19:04:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590519882; bh=36qQNXW0vrV1cpauf0h8+fAq47FTsFqzhPggG0em0tY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qFjzTiwgzIZilijDB2bJwtBLk0Nx0gb+L0+O7FxOpkdfoMoH3Sg0/lW76gGrEfAeS 2/zFsNJVlCbofUB1ooaltPECsD2XB2eiaOd87Y8PWnm+xjiednG9Watn0YypdYteVI K4VDVxfNnXQChgqHK+G96sIs7+NKmqz57NbtcrGA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Williams , Vishal Verma , Sasha Levin Subject: [PATCH 4.19 52/81] libnvdimm/btt: Remove unnecessary code in btt_freelist_init Date: Tue, 26 May 2020 20:53:27 +0200 Message-Id: <20200526183932.900018493@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200526183923.108515292@linuxfoundation.org> References: <20200526183923.108515292@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Vishal Verma [ Upstream commit 2f8c9011151337d0bc106693f272f9bddbccfab2 ] We call btt_log_read() twice, once to get the 'old' log entry, and again to get the 'new' entry. However, we have no use for the 'old' entry, so remove it. Cc: Dan Williams Signed-off-by: Vishal Verma Signed-off-by: Dan Williams Signed-off-by: Sasha Levin --- drivers/nvdimm/btt.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 75ae2c508a04..d78cfe82ad5c 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -541,9 +541,9 @@ static int arena_clear_freelist_error(struct arena_info *arena, u32 lane) static int btt_freelist_init(struct arena_info *arena) { - int old, new, ret; + int new, ret; u32 i, map_entry; - struct log_entry log_new, log_old; + struct log_entry log_new; arena->freelist = kcalloc(arena->nfree, sizeof(struct free_entry), GFP_KERNEL); @@ -551,10 +551,6 @@ static int btt_freelist_init(struct arena_info *arena) return -ENOMEM; for (i = 0; i < arena->nfree; i++) { - old = btt_log_read(arena, i, &log_old, LOG_OLD_ENT); - if (old < 0) - return old; - new = btt_log_read(arena, i, &log_new, LOG_NEW_ENT); if (new < 0) return new;