From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756143Ab3BQWzf (ORCPT ); Sun, 17 Feb 2013 17:55:35 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:45670 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755158Ab3BQWzV (ORCPT ); Sun, 17 Feb 2013 17:55:21 -0500 Message-Id: <20130217225008.498347835@decadent.org.uk> User-Agent: quilt/0.60-1 Date: Sun, 17 Feb 2013 22:51:00 +0000 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: akpm@linux-foundation.org, Ian Campbell , Ian Campbell , Jan Beulich , "David S. Miller" Subject: [ 59/66] netback: correct netbk_tx_err to handle wrap around. In-Reply-To: <20130217225001.621306883@decadent.org.uk> X-SA-Exim-Connect-IP: 2001:470:1f08:1539:a11:96ff:fec6:70c4 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ian Campbell [ Upstream commit b9149729ebdcfce63f853aa54a404c6a8f6ebbf3 ] Signed-off-by: Ian Campbell Acked-by: Jan Beulich Signed-off-by: David S. Miller Signed-off-by: Ben Hutchings --- drivers/net/xen-netback/netback.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index a14b3a2..b802bb3 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -852,7 +852,7 @@ 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);