Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp4033976rwd; Tue, 23 May 2023 02:01:33 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ7ON7+JjReGnClGGtan7LiawxeLkk5TZbiRO79ZfgXmxxv6DlI4F7UEy3FVBJF4B1yC1Fau X-Received: by 2002:a17:902:bf0a:b0:1a9:b8c3:c2c2 with SMTP id bi10-20020a170902bf0a00b001a9b8c3c2c2mr12757679plb.37.1684832493326; Tue, 23 May 2023 02:01:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1684832493; cv=none; d=google.com; s=arc-20160816; b=ZBxZDnY0wmm88004a5Pkv/peHr0WakbKlATlRiHgLhXcpef2N75Ft56vjPw3wdz1NQ 5ETz+iR18TscQNVjhLVInnjxVhD1TYWAr1eJEXXwjYr0J6KDGY/MSYOdYayBxhQ+eB5e Z9ns4VTbQfxsv90n4K4ZuLZPbAoc5seKPVZXmpjmIV55bFwz6EpwqR7/roP3RfH2SsJG Mr1Ncnm6cBdF9aTEPlrGnOe+Bx7JT7BMAZaq6vPgAUQlSj3T+fnULo2AcEtiG5M4m9g4 WNZ2nb7TTtAYGtT2QPMf34OGQ91rICm/neJbQ5svZ43cWrDjrN+7lVtjAVm3F+pMVAKy LmMg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=s8gmxvVlN6cQ9eqVyKkb/cDvBXM2mabAvwUZqjL98z0=; b=lqk3VPKUDhgHNyBpl0QsZQUxLkOTBHybQ9mMlMfACWCSr5JW07fKJG1KK8J3Sh6q+F wOqy1fTWqbYKkoppfUm9Ozy9F+yf1IVsOWFoT4GmhJtb0AWVQ/HKPqosN5RRhn4FCa/M Zm2myxZHIlmk2QkUnqwn7s9e/q5Mm5ZAae558wy6i6PccS0Mzvv8HjIzDIE1TXd9vqGg a76vhUAPTwpuvscvOsdXnIED8/Exfb0B71ESx5pI7XfooP5JtIXG89ChzB2/ztinI1q2 D4z6hPGnI1aaxdFCCFoT9t4ShZCtRfWfj/ve+OoChei09ml9s5IvWf46yF8QngCuGtw0 1I1Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id b5-20020a170902e94500b0019f33c0d583si1565616pll.315.2023.05.23.02.01.19; Tue, 23 May 2023 02:01:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232957AbjEWJAG (ORCPT + 99 others); Tue, 23 May 2023 05:00:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236216AbjEWI7t (ORCPT ); Tue, 23 May 2023 04:59:49 -0400 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CF291A7; Tue, 23 May 2023 01:59:45 -0700 (PDT) X-UUID: 644fdf8724464f4c958947b0e0536717-20230523 X-CID-O-RULE: Release_Ham X-CID-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:4de3fa42-942b-489d-8bc4-4ba1faec6dfe,IP:15, URL:0,TC:0,Content:0,EDM:0,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:10 X-CID-INFO: VERSION:1.1.22,REQID:4de3fa42-942b-489d-8bc4-4ba1faec6dfe,IP:15,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:10 X-CID-META: VersionHash:120426c,CLOUDID:b8a7143c-de1e-4348-bc35-c96f92f1dcbb,B ulkID:230523165940UMKPRTAI,BulkQuantity:0,Recheck:0,SF:24|17|19|44|102,TC: nil,Content:0,EDM:-3,IP:-2,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OS I:0,OSA:0,AV:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-UUID: 644fdf8724464f4c958947b0e0536717-20230523 X-User: pengfuyuan@kylinos.cn Received: from localhost.localdomain [(116.128.244.169)] by mailgw (envelope-from ) (Generic MTA) with ESMTP id 872247146; Tue, 23 May 2023 16:59:37 +0800 From: pengfuyuan To: Chris Mason Cc: Josef Bacik , David Sterba , linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, pengfuyuan , k2ci Subject: [PATCH] btrfs: fix uninitialized variable warnings Date: Tue, 23 May 2023 16:59:35 +0800 Message-Id: <20230523085935.713859-1-pengfuyuan@kylinos.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="Add_By_Label_Mail_Nextpart_001" Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, PP_MIME_FAKE_ASCII_TEXT,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, T_TVD_MIME_NO_HEADERS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Add_By_Label_Mail_Nextpart_001 Content-Type: text/plain; Content-Transfer-Encoding: 8bit There are some warnings on older compilers (gcc 10, 7) or non-x86_64 architectures (mips64). As btrfs wants to enable -Wmaybe-uninitialized by default, fix the warnings even though it's not necessary on recent compilers (gcc 12+). fs/btrfs/tree-log.c: In function ‘btrfs_log_inode’: fs/btrfs/tree-log.c:6211:9: error: ‘last_range_start’ may be used uninitialized in this function [-Werror=maybe-uninitialized] 6211 | ret = insert_dir_log_key(trans, log, path, key.objectid, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6212 | first_dir_index, last_dir_index); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/btrfs/tree-log.c:6161:6: note: ‘last_range_start’ was declared here 6161 | u64 last_range_start; | ^~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Reported-by: k2ci Signed-off-by: pengfuyuan --- fs/btrfs/tree-log.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 9b212e8c70cc..d2755d5e338b 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -6158,7 +6158,7 @@ static int log_delayed_deletions_incremental(struct btrfs_trans_handle *trans, { struct btrfs_root *log = inode->root->log_root; const struct btrfs_delayed_item *curr; - u64 last_range_start; + u64 last_range_start = 0; u64 last_range_end = 0; struct btrfs_key key; -- 2.25.1 --Add_By_Label_Mail_Nextpart_001 Content-type: Text/plain No virus found Checked by Hillstone Network AntiVirus --Add_By_Label_Mail_Nextpart_001--