From patchwork Tue May 7 02:34:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lu Yao X-Patchwork-Id: 13656170 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B144CC122; Tue, 7 May 2024 02:35:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715049320; cv=none; b=kfD1ke9UGAkLnh3gh6TEV6FoGPXPlSzOKsFDKd9/qYpJckcXc7kRdPzQiuXWmFwqEkhh1EWYSHn41mLtzk8OP2z5uULaeGG+51AaOaF4xbuYkPU9PZluiZY9Vtox+Th36fJkw6DodbswxO3nibezl4H/vc/EOGNCGzfty9oaeDs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715049320; c=relaxed/simple; bh=4nE0YoLavCG6nFcdk9BRRJ2U6lOzfw5OrR+znhpEmAI=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=BvzWLfrmgW/d4Ll9dkJdgedBUM3P+NiXNRIzN0NURpcVzCmy+E08pdbfgt38Ll57110kTpcQP0w3DI55IGytZOhBmumM5kxc9YTQlswC/mdNbCyY0etdQWdNS2WgMrIVA8ypW8HklB8gWELYlW+mTO90WDaIptyevG/vETeZNgM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 62f8615e0c1a11ef9305a59a3cc225df-20240507 X-CID-O-RULE: Release_Ham X-CID-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.37,REQID:010cd294-beaf-4dd7-a1a8-c915b23136d4,IP:10, URL:0,TC:0,Content:0,EDM:0,RT:0,SF:-1,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:9 X-CID-INFO: VERSION:1.1.37,REQID:010cd294-beaf-4dd7-a1a8-c915b23136d4,IP:10,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:-1,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:9 X-CID-META: VersionHash:6f543d0,CLOUDID:6d4a49c856b5df577091a647cb68c95e,BulkI D:240507103454O43WAFO1,BulkQuantity:0,Recheck:0,SF:66|38|25|72|19|44|102,T C:nil,Content:0,EDM:-3,IP:-2,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil ,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_FSD,TF_CID_SPAM_FSI,TF_CID_SPAM_SNR X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_TXT, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_NAME HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM, HR_SJ_PHRASE HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT, HR_TO_NO_NAME DN_TRUSTED, SRC_TRUSTED, SA_EXISTED, SN_EXISTED, SPF_NOPASS DKIM_NOPASS, DMARC_NOPASS, CIE_BAD, CIE_GOOD, CIE_GOOD_SPF GTI_FG_BS, GTI_RG_INFO, GTI_C_BU, AMN_T1, AMN_GOOD AMN_C_TI, AMN_C_BU, ABX_MISS_RDNS X-UUID: 62f8615e0c1a11ef9305a59a3cc225df-20240507 X-User: yaolu@kylinos.cn Received: from localhost.localdomain [(116.128.244.169)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 1333284287; Tue, 07 May 2024 10:34:54 +0800 From: Lu Yao To: clm@fb.com, josef@toxicpanda.com, dsterba@suse.com Cc: linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, Lu Yao Subject: [PATCH] btrfs: scrub: fix a compilation warning Date: Tue, 7 May 2024 10:34:17 +0800 Message-Id: <20240507023417.31796-1-yaolu@kylinos.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The following error message is displayed: ../fs/btrfs/scrub.c:2152:9: error: ‘ret’ may be used uninitialized in this function [-Werror=maybe-uninitialized]" Signed-off-by: Lu Yao Reviewed-by: Boris Burkov --- gcc version: (Debian 10.2.1-6) 10.2.1 20210110 --- fs/btrfs/scrub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 4b22cfe9a98c..afd6932f5e89 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -2100,7 +2100,7 @@ static int scrub_simple_mirror(struct scrub_ctx *sctx, struct btrfs_fs_info *fs_info = sctx->fs_info; const u64 logical_end = logical_start + logical_length; u64 cur_logical = logical_start; - int ret; + int ret = 0; /* The range must be inside the bg */ ASSERT(logical_start >= bg->start && logical_end <= bg->start + bg->length);