netdev - [PATCH net-next V2 1/3] xen-netback: remove redundent parameter in netbk_count

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Message-ID: <1367491439-27629-2-git-send-email-wei.liu2@citrix.com>
Date:	Thu, 2 May 2013 11:43:57 +0100
From:	Wei Liu <wei.liu2@...rix.com>
To:	<xen-devel@...ts.xen.org>, <netdev@...r.kernel.org>
CC:	<ian.campbell@...rix.com>, <jbeulich@...e.com>,
	Wei Liu <wei.liu2@...rix.com>
Subject: [PATCH net-next V2 1/3] xen-netback: remove redundent parameter in netbk_count_requests

Tracking down from the caller, first_idx is always equal to vif->tx.req_cons.
Remove it to avoid confusion.

Suggested-by: Jan Beulich <jbeulich@...e.com>
Signed-off-by: Wei Liu <wei.liu2@...rix.com>
Acked-by: Ian Campbell <ian.campbell@...rix.com>
---
 drivers/net/xen-netback/netback.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index a2865f1..c44772d 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -928,7 +928,6 @@ static void netbk_fatal_tx_err(struct xenvif *vif)
 
 static int netbk_count_requests(struct xenvif *vif,
 				struct xen_netif_tx_request *first,
-				RING_IDX first_idx,
 				struct xen_netif_tx_request *txp,
 				int work_to_do)
 {
@@ -1005,7 +1004,7 @@ static int netbk_count_requests(struct xenvif *vif,
 	} while ((txp++)->flags & XEN_NETTXF_more_data);
 
 	if (drop_err) {
-		netbk_tx_err(vif, first, first_idx + slots);
+		netbk_tx_err(vif, first, cons + slots);
 		return drop_err;
 	}
 
@@ -1470,8 +1469,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
 				continue;
 		}
 
-		ret = netbk_count_requests(vif, &txreq, idx,
-					   txfrags, work_to_do);
+		ret = netbk_count_requests(vif, &txreq, txfrags, work_to_do);
 		if (unlikely(ret < 0))
 			continue;
 
-- 
1.7.10.4

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