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Subject[PATCH] IPv6 exthedrs offload registration fixed
Date
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>
---
net/ipv6/exthdrs_offload.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

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:
--
1.7.9.5


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