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[3.8.y.z,extended,stable] Patch "ipv6: Fix exthdrs offload registration." has been added to staging queue

Message ID 1397687866-16219-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa April 16, 2014, 10:37 p.m. UTC
This is a note to let you know that I have just added a patch titled

    ipv6: Fix exthdrs offload registration.

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 3.8.13.22.

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

------

From 5618ddd64525666e530c9340ac503a6ec6a46538 Mon Sep 17 00:00:00 2001
From: Anton Nayshtut <anton@swortex.com>
Date: Wed, 5 Mar 2014 08:30:08 +0200
Subject: ipv6: Fix exthdrs offload registration.

[ Upstream commit d2d273ffabd315eecefce21a4391d44b6e156b73 ]

Without this fix, ipv6_exthdrs_offload_init doesn't register IPPROTO_DSTOPTS
offload, but returns 0 (as the IPPROTO_ROUTING registration actually succeeds).

This then causes the ipv6_gso_segment to drop IPv6 packets with IPPROTO_DSTOPTS
header.

The issue detected and the fix verified by running MS HCK Offload LSO test on
top of QEMU Windows guests, as this test sends IPv6 packets with
IPPROTO_DSTOPTS.

Signed-off-by: Anton Nayshtut <anton@swortex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 net/ipv6/exthdrs_offload.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--
1.8.3.2
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Patch

diff --git a/net/ipv6/exthdrs_offload.c b/net/ipv6/exthdrs_offload.c
index cf77f3a..447a7fb 100644
--- a/net/ipv6/exthdrs_offload.c
+++ b/net/ipv6/exthdrs_offload.c
@@ -25,11 +25,11 @@  int __init ipv6_exthdrs_offload_init(void)
 	int ret;

 	ret = inet6_add_offload(&rthdr_offload, IPPROTO_ROUTING);
-	if (!ret)
+	if (ret)
 		goto out;

 	ret = inet6_add_offload(&dstopt_offload, IPPROTO_DSTOPTS);
-	if (!ret)
+	if (ret)
 		goto out_rt;

 out: