From patchwork Thu Jan 19 05:57:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ye.xingchen@zte.com.cn X-Patchwork-Id: 13107438 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8189C00A5A for ; Thu, 19 Jan 2023 05:57:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229968AbjASF5W (ORCPT ); Thu, 19 Jan 2023 00:57:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229740AbjASF5U (ORCPT ); Thu, 19 Jan 2023 00:57:20 -0500 Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.216.63.35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0558010B; Wed, 18 Jan 2023 21:57:18 -0800 (PST) Received: from mse-fl1.zte.com.cn (unknown [10.5.228.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxhk.zte.com.cn (FangMail) with ESMTPS id 4NyBjS4srnz4xVnD; Thu, 19 Jan 2023 13:57:16 +0800 (CST) Received: from xaxapp02.zte.com.cn ([10.88.97.241]) by mse-fl1.zte.com.cn with SMTP id 30J5vBpv048128; Thu, 19 Jan 2023 13:57:11 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Thu, 19 Jan 2023 13:57:13 +0800 (CST) Date: Thu, 19 Jan 2023 13:57:13 +0800 (CST) X-Zmail-TransId: 2af963c8dbb9ffffffffd31ce984 X-Mailer: Zmail v1.0 Message-ID: <202301191357131455025@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , , , Subject: =?utf-8?q?=5BPATCH=5D_btrfs=3A_scrub=3A_Remove_compilation_errors_w?= =?utf-8?q?hen=C2=A0-Werror=3Dmaybe-uninitialized?= X-MAIL: mse-fl1.zte.com.cn 30J5vBpv048128 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.250.138.novalocal with ID 63C8DBBC.000 by FangMail milter! X-FangMail-Envelope: 1674107836/4NyBjS4srnz4xVnD/63C8DBBC.000/10.5.228.132/[10.5.228.132]/mse-fl1.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 63C8DBBC.000/4NyBjS4srnz4xVnD Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: ye xingchen fs/btrfs/scrub.c: In function 'scrub_raid56_data_stripe_for_parity.isa.0': fs/btrfs/scrub.c:3297:9 error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized] fs/btrfs/scrub.c: In function 'scrub_simple_mirror': fs/btrfs/scrub.c:3530:9 error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized] Initialize 'ret' to aviod compilation errors. Signed-off-by: ye xingchen --- fs/btrfs/scrub.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index a5d026041be4..d0ddf930cb79 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -3198,7 +3198,7 @@ static int scrub_raid56_data_stripe_for_parity(struct scrub_ctx *sctx, struct btrfs_root *extent_root = btrfs_extent_root(fs_info, logical); struct btrfs_root *csum_root = btrfs_csum_root(fs_info, logical); u64 cur_logical = logical; - int ret; + int ret = 0; ASSERT(map->type & BTRFS_BLOCK_GROUP_RAID56_MASK); @@ -3424,7 +3424,7 @@ static int scrub_simple_mirror(struct scrub_ctx *sctx, const u32 max_length = SZ_64K; struct btrfs_path path = { 0 }; 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);