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[3.8.y.z,extended,stable] Patch "xen-netback: remove redundent parameter in netbk_count_requests" has been added to staging queue

Message ID 1372198797-17656-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa June 25, 2013, 10:19 p.m. UTC 
This is a note to let you know that I have just added a patch titled

    xen-netback: remove redundent parameter in netbk_count_requests

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.4.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 68db5f57a06c55f7ed20a242355d5a7cf52972b4 Mon Sep 17 00:00:00 2001
From: Wei Liu <wei.liu2@citrix.com>
Date: Thu, 2 May 2013 00:43:57 +0000
Subject: xen-netback: remove redundent parameter in netbk_count_requests

commit ac69c26e7accb04ae2cb9ab0872068983a42b3c8 upstream.

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@suse.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/net/xen-netback/netback.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

--
1.8.1.2
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Patch

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index b74bc4f..4c497d0 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;
 	}

@@ -1475,8 +1474,7 @@  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;