From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C556AC3F2C6 for ; Tue, 3 Mar 2020 10:15:12 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 92BAA20863 for ; Tue, 3 Mar 2020 10:15:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="URsV2FDE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 92BAA20863 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44710 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j94Zz-0008Es-MK for qemu-devel@archiver.kernel.org; Tue, 03 Mar 2020 05:15:11 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52459) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j94W0-0007aS-Ga for qemu-devel@nongnu.org; Tue, 03 Mar 2020 05:11:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j94Vy-00069U-Jq for qemu-devel@nongnu.org; Tue, 03 Mar 2020 05:11:04 -0500 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:55107 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j94Vy-000692-CM for qemu-devel@nongnu.org; Tue, 03 Mar 2020 05:11:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1583230260; 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=JH+RB81HXiuvd/zhpDJS7O/7Rt1VoS75u8d6tZLzezA=; b=URsV2FDEhiqDB1Fooulru9blIXRJweEfxn7n++iw0pEaPXFk7NLkChNrjuLOiJZqienfw5 uGslkfQmVzMIKaooiAvgj8aMN+l+v208pi+cVy7u5caXEDnDSGNwM39JcLMXKsH1xIzKuX 0Bw78/unPzLtt1ch9RXauGPtL+RmFZs= 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-302-IK4lji_PMlu9ny8ormCSmA-1; Tue, 03 Mar 2020 05:10:57 -0500 X-MC-Unique: IK4lji_PMlu9ny8ormCSmA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 115818018A9; Tue, 3 Mar 2020 10:10:56 +0000 (UTC) Received: from jason-ThinkPad-T430s.redhat.com (ovpn-12-98.pek2.redhat.com [10.72.12.98]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6F6EF8D572; Tue, 3 Mar 2020 10:10:54 +0000 (UTC) From: Jason Wang To: peter.maydell@linaro.org Subject: [PULL V2 04/23] dp8393x: Have dp8393x_receive() return the packet size Date: Tue, 3 Mar 2020 18:10:23 +0800 Message-Id: <1583230242-14597-5-git-send-email-jasowang@redhat.com> In-Reply-To: <1583230242-14597-1-git-send-email-jasowang@redhat.com> References: <1583230242-14597-1-git-send-email-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 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: Jason Wang , qemu-devel@nongnu.org, Finn Thain Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Finn Thain This function re-uses its 'size' argument as a scratch variable. Instead, declare a local 'size' variable for that purpose so that the function result doesn't get messed up. Signed-off-by: Finn Thain Reviewed-by: Philippe Mathieu-Daud=C3=A9 Tested-by: Laurent Vivier Signed-off-by: Jason Wang --- hw/net/dp8393x.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c index 1844482..ed57f5f 100644 --- a/hw/net/dp8393x.c +++ b/hw/net/dp8393x.c @@ -759,20 +759,21 @@ static int dp8393x_receive_filter(dp8393xState *s, co= nst uint8_t * buf, } =20 static ssize_t dp8393x_receive(NetClientState *nc, const uint8_t * buf, - size_t size) + size_t pkt_size) { dp8393xState *s =3D qemu_get_nic_opaque(nc); int packet_type; uint32_t available, address; - int width, rx_len =3D size; + int width, rx_len =3D pkt_size; uint32_t checksum; + int size; =20 width =3D (s->regs[SONIC_DCR] & SONIC_DCR_DW) ? 2 : 1; =20 s->regs[SONIC_RCR] &=3D ~(SONIC_RCR_PRX | SONIC_RCR_LBK | SONIC_RCR_FA= ER | SONIC_RCR_CRCR | SONIC_RCR_LPKT | SONIC_RCR_BC | SONIC_RCR_MC); =20 - packet_type =3D dp8393x_receive_filter(s, buf, size); + packet_type =3D dp8393x_receive_filter(s, buf, pkt_size); if (packet_type < 0) { DPRINTF("packet not for netcard\n"); return -1; @@ -868,7 +869,7 @@ static ssize_t dp8393x_receive(NetClientState *nc, cons= t uint8_t * buf, /* Done */ dp8393x_update_irq(s); =20 - return size; + return pkt_size; } =20 static void dp8393x_reset(DeviceState *dev) --=20 2.5.0