From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: [PATCH net] xen-netback: fix extra_info handling in xenvif_tx_err() Date: Thu, 12 May 2016 14:43:03 +0100 Message-ID: <1463060583-7524-1-git-send-email-paul.durrant@citrix.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Paul Durrant , Wei Liu To: , Return-path: Received: from smtp.citrix.com ([66.165.176.89]:65326 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752662AbcELN4t (ORCPT ); Thu, 12 May 2016 09:56:49 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Patch 562abd39 "xen-netback: support multiple extra info fragments passed from frontend" contained a mistake which can result in an in- correct number of responses being generated when handling errors encountered when processing packets containing extra info fragments. This patch fixes the problem. Signed-off-by: Paul Durrant Reported-by: Jan Beulich Cc: Wei Liu --- drivers/net/xen-netback/netback.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index b42f260..4412a57 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -711,6 +711,7 @@ static void xenvif_tx_err(struct xenvif_queue *queue, if (cons == end) break; RING_COPY_REQUEST(&queue->tx, cons++, txp); + extra_count = 0; /* only the first frag can have extras */ } while (1); queue->tx.req_cons = cons; } -- 2.1.4