From nobody Wed Oct 23 01:31:57 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=1727183497; cv=none; d=zohomail.com; s=zohoarc; b=iZhL+iTcULLrufJ+If48wL9bqAdhaaE8RlvSP+icq1gOjH3c6kgOCSG8ApASAUKwGgleLfqZRNMcAgwzIrL5i8l16Jvf/1D8lBZe9AuukOHWHomhTK/VMRjAxL4cplsBZMUgL/JTUeFdqzNH3SHVMfrohrc5SUUXw1IoSDnzveI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727183497; 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=U9mSRuRV9kL6i+j8O8fsCuIK9js7cJJ4qwxGkLMTjwY=; b=VwRVSy77/5lN/Lnewcs6hgormq7ZSCkZs3lzQSlf/KvdbO9sFQHFpnXGsRnF9xoXgeOnWJUB26/MXuQihF9NA/hhWaS82BnCpdtUCbLUH4rRwKMATL67LzCyux1aCOrpCQAgfqaC3Jdm7n8Mnaqpt/YZJ6IxIPFmoV0YYCeFaN4= 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 1727183497193724.2710048734624; Tue, 24 Sep 2024 06:11:37 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1st5HP-0000fL-8v; Tue, 24 Sep 2024 09:08:35 -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 1st5Gg-0005t7-Q4 for qemu-devel@nongnu.org; Tue, 24 Sep 2024 09:07:52 -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 1st5Gc-0000qg-Jq for qemu-devel@nongnu.org; Tue, 24 Sep 2024 09:07:48 -0400 Received: from mx-prod-mc-05.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-35-CM4lndipOgayGbb1Z5RQRQ-1; Tue, 24 Sep 2024 09:07:42 -0400 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.17]) (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-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 0C58118DB7EA; Tue, 24 Sep 2024 13:07:39 +0000 (UTC) Received: from localhost (unknown [10.39.208.3]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id AE9BA195394E; Tue, 24 Sep 2024 13:07:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727183265; 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=U9mSRuRV9kL6i+j8O8fsCuIK9js7cJJ4qwxGkLMTjwY=; b=RglbVqKJYnOOORxfZywJoQFvngzQIxMTwfY2pQsNUawsCZt1tn/21otXVikKhu62/BichE 3WhoZZjskQxTJw8P7eIwFV/tUCYHG2VgFvl4XNX96jv/gz5y0Wgv4i7XcEePUpAJVUq5oF qSN9Bk09pzBfpYXC2E+7f6C1BmGZ1Oc= X-MC-Unique: CM4lndipOgayGbb1Z5RQRQ-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Song Gao , Peter Xu , Bin Meng , Mahmoud Mandour , Hyman Huang , Klaus Jensen , Alexandre Iooss , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Marcel Apfelbaum , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , John Snow , Jesper Devantier , Bin Meng , Greg Kurz , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Stefan Hajnoczi , Yuval Shaia , "Michael S. Tsirkin" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , Vladimir Sementsov-Ogievskiy , Christian Schoenebeck , Pierrick Bouvier , Fabiano Rosas , Keith Busch , Eric Blake , qemu-block@nongnu.org, Kevin Wolf , Laurent Vivier , Gerd Hoffmann , Fam Zheng , Eduardo Habkost , Stefano Garzarella , Hanna Reitz , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v2 18/22] hw/virtio: fix -Werror=maybe-uninitialized false-positive Date: Tue, 24 Sep 2024 17:05:49 +0400 Message-ID: <20240924130554.749278-19-marcandre.lureau@redhat.com> In-Reply-To: <20240924130554.749278-1-marcandre.lureau@redhat.com> References: <20240924130554.749278-1-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 10.30.177.17 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=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: 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: 1727183498333116600 From: Marc-Andr=C3=A9 Lureau ../hw/virtio/vhost-shadow-virtqueue.c:545:13: error: =E2=80=98r=E2=80=99 ma= y be used uninitialized [-Werror=3Dmaybe-uninitialized] Signed-off-by: Marc-Andr=C3=A9 Lureau Acked-by: Eugenio P=C3=A9rez --- hw/virtio/vhost-shadow-virtqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-vi= rtqueue.c index fc5f408f77..cd29cc795b 100644 --- a/hw/virtio/vhost-shadow-virtqueue.c +++ b/hw/virtio/vhost-shadow-virtqueue.c @@ -526,7 +526,7 @@ static void vhost_svq_flush(VhostShadowVirtqueue *svq, size_t vhost_svq_poll(VhostShadowVirtqueue *svq, size_t num) { size_t len =3D 0; - uint32_t r; + uint32_t r =3D 0; =20 while (num--) { int64_t start_us =3D g_get_monotonic_time(); --=20 2.45.2.827.g557ae147e6