From patchwork Wed Feb 6 17:18:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Campbell X-Patchwork-Id: 218702 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 528EF2C02BF for ; Thu, 7 Feb 2013 04:18:28 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757265Ab3BFRSY (ORCPT ); Wed, 6 Feb 2013 12:18:24 -0500 Received: from smtp.citrix.com ([66.165.176.89]:60178 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756440Ab3BFRSV (ORCPT ); Wed, 6 Feb 2013 12:18:21 -0500 X-IronPort-AV: E=Sophos;i="4.84,616,1355097600"; d="scan'208";a="6513493" Received: from accessns.citrite.net (HELO FTLPEX01CL01.citrite.net) ([10.9.154.239]) by FTLPIPO01.CITRIX.COM with ESMTP/TLS/AES128-SHA; 06 Feb 2013 17:18:18 +0000 Received: from ukmail1.uk.xensource.com (10.80.16.128) by smtprelay.citrix.com (10.13.107.78) with Microsoft SMTP Server id 14.2.318.1; Wed, 6 Feb 2013 12:18:18 -0500 Received: from cosworth.uk.xensource.com ([10.80.16.52] ident=ianc) by ukmail1.uk.xensource.com with esmtp (Exim 4.69) (envelope-from ) id 1U38dW-0003mH-7o; Wed, 06 Feb 2013 17:18:18 +0000 From: Ian Campbell To: CC: , Ian Campbell Subject: [PATCH 4/4] netback: correct netbk_tx_err to handle wrap around. Date: Wed, 6 Feb 2013 17:18:18 +0000 Message-ID: <1360171098-1240-4-git-send-email-ian.campbell@citrix.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1360171081.32479.20.camel@zakaz.uk.xensource.com> References: <1360171081.32479.20.camel@zakaz.uk.xensource.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Signed-off-by: Ian Campbell Acked-by: Jan Beulich --- drivers/net/xen-netback/netback.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 1a99288..28d5e06 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -880,7 +880,7 @@ static void netbk_tx_err(struct xenvif *vif, do { make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR); - if (cons >= end) + if (cons == end) break; txp = RING_GET_REQUEST(&vif->tx, cons++); } while (1);