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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 915BFC38142 for ; Thu, 19 Jan 2023 11:10:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230133AbjASLKL (ORCPT ); Thu, 19 Jan 2023 06:10:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230167AbjASLJ6 (ORCPT ); Thu, 19 Jan 2023 06:09:58 -0500 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C69AF8; Thu, 19 Jan 2023 03:09:56 -0800 (PST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 4FCC32068E; Thu, 19 Jan 2023 11:09:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1674126595; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=oAFJMryVcpyXrf5LWF121mC0VtNekDtxbPyfhUaS35I=; b=zXC+68UesRdukbwuvzkYCsexacnUQnwDXx7ug1mzCm+Q7559et+IfAr9c0E+1KQXj6eWv0 IOVbd4FlDY5uNv07Q8NwQsvhjSraUE+4rcI8Uhi0/+NjoEzdTlPEikdqrNDsJQgIVVr8+q h6DmyZbBvzF4dBaOdXI73XV4X7sTZiU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1674126595; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=oAFJMryVcpyXrf5LWF121mC0VtNekDtxbPyfhUaS35I=; b=mmeo0m1BYAyb43ucmzAJ9pA3LaocMk9SpyFdmQ/PaHHnGTzrtb+rAkUNju99dnPycCyel6 JQ8WTW2Byz7OtYAw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 2351A134F5; Thu, 19 Jan 2023 11:09:55 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id ZFqdBwMlyWMnNAAAMHmgww (envelope-from ); Thu, 19 Jan 2023 11:09:55 +0000 Date: Thu, 19 Jan 2023 12:04:16 +0100 From: David Sterba To: ye.xingchen@zte.com.cn Cc: clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] btrfs: scrub: =?iso-8859-1?Q?R?= =?iso-8859-1?Q?emove_compilation_errors_when=A0-Werror=3Dmaybe-uninitiali?= =?iso-8859-1?Q?zed?= Message-ID: <20230119110416.GG11562@twin.jikos.cz> Reply-To: dsterba@suse.cz References: <202301191357131455025@zte.com.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202301191357131455025@zte.com.cn> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 19, 2023 at 01:57:13PM +0800, ye.xingchen@zte.com.cn wrote: > 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] What compiler and version do you use?