Patchwork [3.5.y.z,extended,stable] Patch "netback: correct netbk_tx_err to handle wrap around." has been added to staging queue

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Submitter Herton Ronaldo Krzesinski
Date Feb. 15, 2013, 3:11 a.m.
Message ID <1360897905-16371-1-git-send-email-herton.krzesinski@canonical.com>
Download mbox | patch
Permalink /patch/220611/
State New
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Comments

Herton Ronaldo Krzesinski - Feb. 15, 2013, 3:11 a.m.
This is a note to let you know that I have just added a patch titled

    netback: correct netbk_tx_err to handle wrap around.

to the linux-3.5.y-queue branch of the 3.5.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-3.5.y-queue

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

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Herton

------

From 11bb13349430cc021b4bad0645816a460d0679bf Mon Sep 17 00:00:00 2001
From: Ian Campbell <Ian.Campbell@citrix.com>
Date: Wed, 6 Feb 2013 23:41:38 +0000
Subject: [PATCH] netback: correct netbk_tx_err to handle wrap around.

commit b9149729ebdcfce63f853aa54a404c6a8f6ebbf3 upstream.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
 drivers/net/xen-netback/netback.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
1.7.9.5

Patch

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index c503a58..f3c3a68 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -851,7 +851,7 @@  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);