From patchwork Wed Oct 2 08:36:36 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: 13819467 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 B165DCF31A7 for ; Wed, 2 Oct 2024 08:39:08 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1svus2-0002Iy-TA; Wed, 02 Oct 2024 04:38:07 -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 1svuru-000245-Jb for qemu-devel@nongnu.org; Wed, 02 Oct 2024 04:37:59 -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 1svurq-0005kY-TJ for qemu-devel@nongnu.org; Wed, 02 Oct 2024 04:37:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727858274; 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=NBIdUVg4Ambg7bYy+M68UshrEz83KnaBQNGOPS+kl2w=; b=Vs4cL3TQdBmmSKJosfLAnE6PJ0pYMC+GS3VErzvMFB3hzxIjxyR+F+EMft69abLzMCcFSd S9CN9l5A0XCiE/SV3TegoPEt8NU9dHHddjQFrMoPpd65dGi6CKvSYDFR7BA29bD/vULr6s Vqj+2VohbVlBAtDTNMywHpQuGe2ZoeM= 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-692-n4EKX9w2Okigiqjhx8cH3A-1; Wed, 02 Oct 2024 04:37:52 -0400 X-MC-Unique: n4EKX9w2Okigiqjhx8cH3A-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [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 C162D195609E; Wed, 2 Oct 2024 08:37:51 +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 26E6E19560A2; Wed, 2 Oct 2024 08:37:49 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Stefan Hajnoczi , "Michael S. Tsirkin" , Kevin Wolf , Hanna Reitz , qemu-block@nongnu.org (open list:virtio-blk) Subject: [PULL 13/22] hw/virtio-blk: fix -Werror=maybe-uninitialized false-positive Date: Wed, 2 Oct 2024 12:36:36 +0400 Message-ID: <20241002083646.2893078-14-marcandre.lureau@redhat.com> In-Reply-To: <20241002083646.2893078-1-marcandre.lureau@redhat.com> References: <20241002083646.2893078-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 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=-0.144, 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_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Marc-André Lureau ../hw/block/virtio-blk.c:1212:12: error: ‘rq’ may be used uninitialized [-Werror=maybe-uninitialized] Signed-off-by: Marc-André Lureau Reviewed-by: Stefan Hajnoczi Reviewed-by: Stefano Garzarella --- hw/block/virtio-blk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 115795392c..9166d7974d 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -1060,7 +1060,7 @@ static void virtio_blk_dma_restart_cb(void *opaque, bool running, VirtIOBlock *s = opaque; uint16_t num_queues = s->conf.num_queues; g_autofree VirtIOBlockReq **vq_rq = NULL; - VirtIOBlockReq *rq; + VirtIOBlockReq *rq = NULL; if (!running) { return;