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| author | David S. Miller <davem@davemloft.net> | 2012-05-17 04:17:37 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-17 04:17:37 +0200 |
| commit | 028940342a906db8da014a7603a0deddc2c323dd (patch) | |
| tree | 688dbc38a3e218f2493d311b1d70a67668837347 /net/openvswitch/flow.c | |
| parent | netfilter: nf_ct_h323: fix usage of MODULE_ALIAS_NFCT_HELPER (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/virt/kvm/kvm (diff) | |
| download | linux-028940342a906db8da014a7603a0deddc2c323dd.tar.xz linux-028940342a906db8da014a7603a0deddc2c323dd.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/openvswitch/flow.c')
| -rw-r--r-- | net/openvswitch/flow.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 7cb416381e87..6d4d8097cf96 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -183,7 +183,8 @@ void ovs_flow_used(struct sw_flow *flow, struct sk_buff *skb) u8 tcp_flags = 0; if (flow->key.eth.type == htons(ETH_P_IP) && - flow->key.ip.proto == IPPROTO_TCP) { + flow->key.ip.proto == IPPROTO_TCP && + likely(skb->len >= skb_transport_offset(skb) + sizeof(struct tcphdr))) { u8 *tcp = (u8 *)tcp_hdr(skb); tcp_flags = *(tcp + TCP_FLAGS_OFFSET) & TCP_FLAG_MASK; } |