net: ipv6: minor: use in6addr_any in token init

Since we check for !ipv6_addr_any(&in6_dev->token) in
addrconf_prefix_rcv(), make the token initialization on
device setup more intuitive by using in6addr_any as an
initializer.

Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 65d8139d60c50650400e11a40e463d6b5415d584..645bf317019f58e4eb60a8c336c9f8af14f16f16 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -422,7 +422,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
                ipv6_regen_rndid((unsigned long) ndev);
        }
 #endif
-       memset(ndev->token.s6_addr, 0, sizeof(ndev->token.s6_addr));
+       ndev->token = in6addr_any;
 
        if (netif_running(dev) && addrconf_qdisc_ok(dev))
                ndev->if_flags |= IF_READY;