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Date: Thu, 12 May 2016 15:15:33 +0100 From: Wei Liu <wei.liu2@...rix.com> To: Paul Durrant <paul.durrant@...rix.com> CC: <xen-devel@...ts.xenproject.org>, <netdev@...r.kernel.org>, Wei Liu <wei.liu2@...rix.com> Subject: Re: [PATCH net] xen-netback: fix extra_info handling in xenvif_tx_err() On Thu, May 12, 2016 at 02:43:03PM +0100, Paul Durrant wrote: > 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 <paul.durrant@...rix.com> > Reported-by: Jan Beulich <JBeulich@...e.com> > Cc: Wei Liu <wei.liu2@...rix.com> Acked-by: Wei Liu <wei.liu2@...rix.com> > --- > 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 >
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