unsigned long event);
 static int addrconf_ifdown(struct net_device *dev, int how);
 
-static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags);
+static void addrconf_dad_start(struct inet6_ifaddr *ifp);
 static void addrconf_dad_timer(unsigned long data);
 static void addrconf_dad_completed(struct inet6_ifaddr *ifp);
 static void addrconf_dad_run(struct inet6_dev *idev);
        ift->tstamp = tmp_tstamp;
        spin_unlock_bh(&ift->lock);
 
-       addrconf_dad_start(ift, 0);
+       addrconf_dad_start(ift);
        in6_ifa_put(ift);
        in6_dev_put(idev);
 out:
 
                        update_lft = create = 1;
                        ifp->cstamp = jiffies;
-                       addrconf_dad_start(ifp, RTF_ADDRCONF|RTF_PREFIX_RT);
+                       addrconf_dad_start(ifp);
                }
 
                if (ifp) {
                 * that the Optimistic flag should not be set for
                 * manually configured addresses
                 */
-               addrconf_dad_start(ifp, 0);
+               addrconf_dad_start(ifp);
                in6_ifa_put(ifp);
                addrconf_verify(0);
                return 0;
        ifp = ipv6_add_addr(idev, addr, 64, IFA_LINK, addr_flags);
        if (!IS_ERR(ifp)) {
                addrconf_prefix_route(&ifp->addr, ifp->prefix_len, idev->dev, 0, 0);
-               addrconf_dad_start(ifp, 0);
+               addrconf_dad_start(ifp);
                in6_ifa_put(ifp);
        }
 }
        addrconf_mod_timer(ifp, AC_DAD, rand_num);
 }
 
-static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
+static void addrconf_dad_start(struct inet6_ifaddr *ifp)
 {
        struct inet6_dev *idev = ifp->idev;
        struct net_device *dev = idev->dev;