diff options
Diffstat (limited to 'net/openvswitch/flow.c')
| -rw-r--r-- | net/openvswitch/flow.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 20605ecf100b..67a2b783fe70 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -482,7 +482,11 @@ static __be16 parse_ethertype(struct sk_buff *skb) return htons(ETH_P_802_2); __skb_pull(skb, sizeof(struct llc_snap_hdr)); - return llc->ethertype; + + if (ntohs(llc->ethertype) >= 1536) + return llc->ethertype; + + return htons(ETH_P_802_2); } static int parse_icmpv6(struct sk_buff *skb, struct sw_flow_key *key, @@ -791,9 +795,9 @@ void ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow) void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow) { + BUG_ON(table->count == 0); hlist_del_rcu(&flow->hash_node[table->node_ver]); table->count--; - BUG_ON(table->count < 0); } /* The size of the argument for each %OVS_KEY_ATTR_* Netlink attribute. */ |