From: Jarno Rajahalme <jrajaha...@nicira.com>

Only the first IP fragment can have a TCP header, check for this.

Signed-off-by: Jarno Rajahalme <jrajaha...@nicira.com>
Signed-off-by: Jesse Gross <je...@nicira.com>
---
 net/openvswitch/flow.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 16f4b46..d71e60f 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -73,6 +73,7 @@ void ovs_flow_stats_update(struct sw_flow *flow, struct 
sk_buff *skb)
 
        if ((flow->key.eth.type == htons(ETH_P_IP) ||
             flow->key.eth.type == htons(ETH_P_IPV6)) &&
+           flow->key.ip.frag != OVS_FRAG_TYPE_LATER &&
            flow->key.ip.proto == IPPROTO_TCP &&
            likely(skb->len >= skb_transport_offset(skb) + sizeof(struct 
tcphdr))) {
                tcp_flags = TCP_FLAGS_BE16(tcp_hdr(skb));
-- 
1.8.3.2

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