From patchwork Tue Sep 24 13:05:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 13810959 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 71173CF9C6F for ; Tue, 24 Sep 2024 13:10:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1st5Hr-0002Ac-JN; Tue, 24 Sep 2024 09:09:03 -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 1st5G8-0002j3-7E for qemu-devel@nongnu.org; Tue, 24 Sep 2024 09:07:21 -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 ) id 1st5G6-0000a1-FD for qemu-devel@nongnu.org; Tue, 24 Sep 2024 09:07:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727183233; 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=Lzg7D4S2rW6GwAuUYPEVjuRHR7M09kr4xX20N1TpnChFT7DBGH1N4HNqzvhynHp0Oskmuv 6SHS5Awi5EaaJ41NfwUDaTjd2Pl99urUORHeILIM8rcaloK7mXl0luB/p7AgVonokzG0C1 EOV3ZBze9VFMfl8+ZLKZEcFxEXYsoPM= Received: from mx-prod-mc-03.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-648-ST9bMCHzNceOrNy9cSHVgQ-1; Tue, 24 Sep 2024 09:07:08 -0400 X-MC-Unique: ST9bMCHzNceOrNy9cSHVgQ-1 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-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 67A061896E34; Tue, 24 Sep 2024 13:07:05 +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 817061955D4B; Tue, 24 Sep 2024 13:06:54 +0000 (UTC) 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_Benn=C3=A9e?= , Marcel Apfelbaum , =?utf-8?q?Daniel_P=2E_Berran?= =?utf-8?q?g=C3=A9?= , John Snow , Jesper Devantier , Bin Meng , Greg Kurz , =?utf-8?q?Eugenio_P=C3=A9rez?= , Stefan Hajnoczi , Yuval Shaia , "Michael S. Tsirkin" , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=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_Lureau?= Subject: [PATCH v2 11/22] block/block-copy: fix -Werror=maybe-uninitialized false-positive Date: Tue, 24 Sep 2024 17:05:42 +0400 Message-ID: <20240924130554.749278-12-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 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 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=-0.09, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Marc-André Lureau ../block/block-copy.c:591:12: error: ‘ret’ may be used uninitialized [-Werror=maybe-uninitialized] Signed-off-by: Marc-André 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 = 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,