netdev - [PATCH v2 4/4] netback: correct netbk_tx

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Date:	Thu, 7 Feb 2013 09:41:38 +0000
From:	Ian Campbell <ian.campbell@...rix.com>
To:	<netdev@...r.kernel.org>
CC:	<xen-devel@...ts.xen.org>, Ian Campbell <ian.campbell@...rix.com>
Subject: [PATCH v2 4/4] netback: correct netbk_tx_err to handle wrap around.

Signed-off-by: Ian Campbell <ian.campbell@...rix.com>
Acked-by: Jan Beulich <JBeulich@...e.com>
Cc: <stable@...r.kernel.org> # 3.0+
---
 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 dcb2d4d..2b9520c 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);
-- 
1.7.2.5

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