datapath: Memset executed packet's fields using memset.

Currently we explicitly zero out each of the fields in the OVS_CB for
executed packets.  However, it seems simpler and more robust to just
memset the whole thing to zero.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

diff --git a/datapath/datapath.c b/datapath/datapath.c
index dcff05f..531afeb 100644 (file)
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -710,13 +710,7 @@ static int odp_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
                goto exit;
 
        /* Initialize OVS_CB (it came from Netlink so might not be zeroed). */
-       OVS_CB(packet)->vport = NULL;
-       OVS_CB(packet)->flow = NULL;
-       /* execute_actions() will reset tun_id to 0 anyhow. */
-#ifdef NEED_CSUM_NORMALIZE
-       OVS_CB(packet)->ip_summed = OVS_CSUM_NONE;
-#endif
-       vlan_copy_skb_tci(packet);
+       memset(OVS_CB(packet), 0, sizeof(struct ovs_skb_cb));
 
        rcu_read_lock();
        dp = get_dp(odp_header->dp_ifindex);