From nobody Mon Feb 9 19:08:12 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1614664658; cv=none; d=zohomail.com; s=zohoarc; b=AnPFhPmF/KSVpfsa+mzg+CIv8JuqVlFk53NuKxstG1EcyKT3XvP/LhRainkAh0hdND/1HrOMDcVSlNtKvk+h3UMH/tTU66D+nvcX8YRVjlH3Wzg1mC5NHSRJaAryAsIeUfF6ntmQe3gnnozWyz30lvJFUT/Icwt2yPOT6PdYcig= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1614664658; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=/cUxLGUoKj6Lbqhz8wsH65nYE+U3vOuWo94q4m97tW4=; b=YwgYNh7y+DomE9I7O6d3dkJXEFKGU4H7ZOCpVk9IvHEIJ3QLhUIyv2f+FWmP/Pggi8cn96Mx1VToKwcxnIuj+5tDkH9vpdZwNIj/mVs87hIgNNzBmb1wE9X6iyKiJ6/db7gLZkT1LN9p5sDUJrcH5oqMArZOGEMASCxBgkjz8sY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1614664658684933.3709974134921; Mon, 1 Mar 2021 21:57:38 -0800 (PST) Received: from localhost ([::1]:49756 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lGy2L-0004Yq-KN for importer@patchew.org; Tue, 02 Mar 2021 00:57:37 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39334) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lGy0C-0002ot-EG for qemu-devel@nongnu.org; Tue, 02 Mar 2021 00:55:25 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:34075) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lGy0B-0001lC-66 for qemu-devel@nongnu.org; Tue, 02 Mar 2021 00:55:24 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-603-JkIP5uyqMKyDp5ynrpvstQ-1; Tue, 02 Mar 2021 00:55:17 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 805BC1E561; Tue, 2 Mar 2021 05:55:16 +0000 (UTC) Received: from localhost.localdomain (ovpn-12-133.pek2.redhat.com [10.72.12.133]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2AD195C8A7; Tue, 2 Mar 2021 05:55:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614664521; 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=/cUxLGUoKj6Lbqhz8wsH65nYE+U3vOuWo94q4m97tW4=; b=Bar3v3Gw6ULg/2ycLdXjOEtmF+OHX+/BCJ6Dd7yMRDpREupe1ztiPlxg9DbOg5mvraQ6eg P2tsU55LziJZlW1Lmr+rpdlnqeGdJ37eA9Jlx52jNF6vdMfYas+ZbbGovggaHoz2gSvDkM GDoSzTtjYXUbuv1KJ2MEoiRiwyWxWm8= X-MC-Unique: JkIP5uyqMKyDp5ynrpvstQ-1 From: Jason Wang To: qemu-devel@nongnu.org Subject: [PATCH V3 03/10] dp8393x: switch to use qemu_receive_packet() for loopback packet Date: Tue, 2 Mar 2021 13:54:52 +0800 Message-Id: <20210302055500.51954-4-jasowang@redhat.com> In-Reply-To: <20210302055500.51954-1-jasowang@redhat.com> References: <20210302055500.51954-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable 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=216.205.24.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alxndr@bu.edu, Jason Wang , philmd@redhat.com, qemu-security@nongnu.org, ppandit@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This patch switches to use qemu_receive_packet() which can detect reentrancy and return early. Signed-off-by: Jason Wang Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/net/dp8393x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c index 205c0decc5..533a8304d0 100644 --- a/hw/net/dp8393x.c +++ b/hw/net/dp8393x.c @@ -506,7 +506,7 @@ static void dp8393x_do_transmit_packets(dp8393xState *s) s->regs[SONIC_TCR] |=3D SONIC_TCR_CRSL; if (nc->info->can_receive(nc)) { s->loopback_packet =3D 1; - nc->info->receive(nc, s->tx_buffer, tx_len); + qemu_receive_packet(nc, s->tx_buffer, tx_len); } } else { /* Transmit packet */ --=20 2.24.3 (Apple Git-128)