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[openvswitch] / datapath / datapath.c

diff --git a/datapath/datapath.c b/datapath/datapath.c
index 32572c6f9d5a2bced7cdc005a3e4d0ec45cc1540..a34049f931383fd52478b182531fa815476261a8 100644 (file)
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -547,16 +547,21 @@ void dp_process_received_packet(struct dp_port *p, struct sk_buff *skb)
        struct sw_flow *flow;
        struct sw_flow_actions *acts;
        struct loop_counter *loop;
+       int error;
 
        OVS_CB(skb)->dp_port = p;
 
        /* Extract flow from 'skb' into 'key'. */
-       if (flow_extract(skb, p ? p->port_no : ODPP_NONE, &key)) {
-               if (dp->drop_frags) {
-                       kfree_skb(skb);
-                       stats_counter_off = offsetof(struct dp_stats_percpu, n_frags);
-                       goto out;
-               }
+       error = flow_extract(skb, p ? p->port_no : ODPP_NONE, &key);
+       if (unlikely(error)) {
+               kfree_skb(skb);
+               return;
+       }
+
+       if (OVS_CB(skb)->is_frag && dp->drop_frags) {
+               kfree_skb(skb);
+               stats_counter_off = offsetof(struct dp_stats_percpu, n_frags);
+               goto out;
        }
 
        /* Look up flow. */
@@ -1360,7 +1365,9 @@ static int do_execute(struct datapath *dp, const struct odp_execute *execute)
        else
                skb->protocol = htons(ETH_P_802_2);
 
-       flow_extract(skb, execute->in_port, &key);
+       err = flow_extract(skb, execute->in_port, &key);
+       if (err)
+               goto error_free_skb;
 
        rcu_read_lock();
        err = execute_actions(dp, skb, &key, actions->actions,