Message ID | 20240930081458.1926382-12-marcandre.lureau@redhat.com |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=QdjTPBhd; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XHDTb1FSWz1xtM for <incoming@patchwork.ozlabs.org>; Mon, 30 Sep 2024 18:17:55 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces@nongnu.org>) id 1svBbC-0007ej-Bp; Mon, 30 Sep 2024 04:17:42 -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 <marcandre.lureau@redhat.com>) id 1svBa5-00046t-1z for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:16:34 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <marcandre.lureau@redhat.com>) id 1svBa3-0005mS-4I for qemu-devel@nongnu.org; Mon, 30 Sep 2024 04:16:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727684190; 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=QdjTPBhd9gDnyKNxNgxij9b7RGj5efZcbfh0AVZ0/yXyqvozl1CX9KswV3VUQEWVUPHIEr bBHDN5qXF410kaKyraiHu1M5frlzNEi+obhefiHUJOKKW2+suChqEod2ik3DOx2qcRW2HO PVZk1fU0t08+hXOJMc9BSFhfBXynUP8= Received: from mx-prod-mc-01.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-76-4BF36qTDObCTfvrJfya0iA-1; Mon, 30 Sep 2024 04:16:27 -0400 X-MC-Unique: 4BF36qTDObCTfvrJfya0iA-1 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-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 4F19D1943CD2; Mon, 30 Sep 2024 08:16:24 +0000 (UTC) Received: from localhost (unknown [10.39.208.36]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id B4A64195419F; Mon, 30 Sep 2024 08:16:20 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Hanna Reitz <hreitz@redhat.com>, Christian Schoenebeck <qemu_oss@crudebyte.com>, Fam Zheng <fam@euphon.net>, Song Gao <gaosong@loongson.cn>, =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>, Pierrick Bouvier <pierrick.bouvier@linaro.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, qemu-block@nongnu.org, Laurent Vivier <laurent@vivier.eu>, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>, Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>, Greg Kurz <groug@kaod.org>, =?utf-8?q?Eugenio_P=C3=A9rez?= <eperezma@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, Bin Meng <bmeng.cn@gmail.com>, Fabiano Rosas <farosas@suse.de>, Eric Blake <eblake@redhat.com>, Hyman Huang <yong.huang@smartx.com>, Kevin Wolf <kwolf@redhat.com>, Stefano Garzarella <sgarzare@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Alexandre Iooss <erdnaxe@crans.org>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, John Snow <jsnow@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Jesper Devantier <foss@defmacro.it>, Peter Xu <peterx@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Klaus Jensen <its@irrelevant.dk>, Keith Busch <kbusch@kernel.org>, Paolo Bonzini <pbonzini@redhat.com>, =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>, Yuval Shaia <yuval.shaia.ml@gmail.com>, Bin Meng <bin.meng@windriver.com>, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com> Subject: [PATCH v3 11/22] block/block-copy: fix -Werror=maybe-uninitialized false-positive Date: Mon, 30 Sep 2024 12:14:46 +0400 Message-ID: <20240930081458.1926382-12-marcandre.lureau@redhat.com> In-Reply-To: <20240930081458.1926382-1-marcandre.lureau@redhat.com> References: <20240930081458.1926382-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass client-ip=170.10.133.124; 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=-0.095, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org |
Series |
-Werror=maybe-uninitialized fixes
|
expand
|
On 30.09.24 11:14, marcandre.lureau@redhat.com wrote: > From: Marc-André Lureau<marcandre.lureau@redhat.com> > > ../block/block-copy.c:591:12: error: ‘ret’ may be used uninitialized [-Werror=maybe-uninitialized] > > Signed-off-by: Marc-André Lureau<marcandre.lureau@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
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 = t->s; bool error_is_read = false; BlockCopyMethod method = t->method; - int ret; + int ret = -1; WITH_GRAPH_RDLOCK_GUARD() { ret = block_copy_do_copy(s, t->req.offset, t->req.bytes, &method,