From nobody Wed Oct 23 00:35:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1727183135; cv=none; d=zohomail.com; s=zohoarc; b=lT7TeUPECnCxw4vK/+yhWESRkTGIY2HfpN1BjIrqK/vKWctjdcbVicpkuSUcfDZQaVoduwWcl7t0gzx1gNyE5Vuu5GdOi66UVp373FqOQN5DAtW+ABDuRaPqCqB1BmEubODoscwvwdhvRMUvSzvX0iEUPKAw/Y57P6XWjcdDiF8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727183135; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=8PUwcgtZt0hOyPV07gl666NOLQBNxh2UtOKTtC1Z66E=; b=bwK/LEw19pKT+qH5faGOn1iMjQtMO7BQLv5OFC3F4DW5IY4BWCaRDNI6WBrk1tjWft93EN1YIfv+CvXpOWl7vChi+6u9S1oOi/i119XXJAHKX/qb/bYtv3dV/NepwdgAu/1FT8er97BkPHoibUrx+gWU6JXBMVT2mJbNA3J/bMg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1727183135409446.6262520773373; Tue, 24 Sep 2024 06:05:35 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1st5Cs-0000yf-Bg; Tue, 24 Sep 2024 09:03:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1st5Cq-0000ve-AU for qemu-devel@nongnu.org; Tue, 24 Sep 2024 09:03:52 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1st5Cm-0008TG-V7 for qemu-devel@nongnu.org; Tue, 24 Sep 2024 09:03:51 -0400 Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-83-AKSq5RCkO3u1RPeT3HxpUA-1; Tue, 24 Sep 2024 09:03:45 -0400 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 3AF0418BC63A; Tue, 24 Sep 2024 13:03:42 +0000 (UTC) Received: from localhost (unknown [10.39.208.3]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id F07DE19560AD; Tue, 24 Sep 2024 13:03:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727183028; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8PUwcgtZt0hOyPV07gl666NOLQBNxh2UtOKTtC1Z66E=; b=aW9oObvOkKTR+Uk8TE0Y09II9kOHfjDBg2n8Py+DutgZoRGBAIxIGb8wpc90UU6F76Nc/f 59o+gqgCfBW0eSWLb4Zrq3WvnVQQT3Us/b6/W/Gu7fgqyOyptdPyTnB9TM82tu4Sovl12m naKeFl9hOo+poL43P5m6JNc9FVW/4n0= X-MC-Unique: AKSq5RCkO3u1RPeT3HxpUA-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vladimir Sementsov-Ogievskiy , Hanna Reitz , Greg Kurz , Paolo Bonzini , Klaus Jensen , Stefano Garzarella , Alexandre Iooss , Eric Blake , John Snow , Pierrick Bouvier , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fam Zheng , "Michael S. Tsirkin" , Keith Busch , Hyman Huang , Laurent Vivier , Fabiano Rosas , Christian Schoenebeck , Stefan Hajnoczi , Mahmoud Mandour , Jesper Devantier , Peter Xu , Gerd Hoffmann , Bin Meng , Song Gao , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Yuval Shaia , Kevin Wolf , Eduardo Habkost , qemu-block@nongnu.org, Bin Meng , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v2 11/22] block/block-copy: fix -Werror=maybe-uninitialized false-positive Date: Tue, 24 Sep 2024 17:02:10 +0400 Message-ID: <20240924130222.748369-12-marcandre.lureau@redhat.com> In-Reply-To: <20240924130222.748369-1-marcandre.lureau@redhat.com> References: <20240924130222.748369-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.09, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727183136917116600 From: Marc-Andr=C3=A9 Lureau ../block/block-copy.c:591:12: error: =E2=80=98ret=E2=80=99 may be used unin= itialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau --- block/block-copy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/block-copy.c b/block/block-copy.c index cc618e4561..7265733825 100644 --- a/block/block-copy.c +++ b/block/block-copy.c @@ -568,7 +568,7 @@ static coroutine_fn int block_copy_task_entry(AioTask *= task) BlockCopyState *s =3D t->s; bool error_is_read =3D false; BlockCopyMethod method =3D t->method; - int ret; + int ret =3D -1; =20 WITH_GRAPH_RDLOCK_GUARD() { ret =3D block_copy_do_copy(s, t->req.offset, t->req.bytes, &method, --=20 2.45.2.827.g557ae147e6