[IPV4]: Restore old behaviour of default config values

[sfrench/cifs-2.6.git] / net / ipv4 / ipmr.c

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 0ebae413ae873c733d21880c8ceadf5ebbde18b1..d96582acdf69a7b4110cc4dfafc2d2c290d7a379 100644 (file)
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -152,9 +152,11 @@ struct net_device *ipmr_new_tunnel(struct vifctl *v)
                        dev->flags |= IFF_MULTICAST;
 
                        in_dev = __in_dev_get_rtnl(dev);
-                       if (in_dev == NULL && (in_dev = inetdev_init(dev)) == NULL)
+                       if (in_dev == NULL)
                                goto failure;
-                       in_dev->cnf.rp_filter = 0;
+
+                       ipv4_devconf_setall(in_dev);
+                       IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
 
                        if (dev_open(dev))
                                goto failure;
@@ -218,10 +220,15 @@ static struct net_device *ipmr_reg_vif(void)
        }
        dev->iflink = 0;
 
-       if ((in_dev = inetdev_init(dev)) == NULL)
+       rcu_read_lock();
+       if ((in_dev = __in_dev_get_rcu(dev)) == NULL) {
+               rcu_read_unlock();
                goto failure;
+       }
 
-       in_dev->cnf.rp_filter = 0;
+       ipv4_devconf_setall(in_dev);
+       IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
+       rcu_read_unlock();
 
        if (dev_open(dev))
                goto failure;
@@ -281,7 +288,7 @@ static int vif_delete(int vifi)
        dev_set_allmulti(dev, -1);
 
        if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) {
-               in_dev->cnf.mc_forwarding--;
+               IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)--;
                ip_rt_multicast_event(in_dev);
        }
 
@@ -426,7 +433,7 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
 
        if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
                return -EADDRNOTAVAIL;
-       in_dev->cnf.mc_forwarding++;
+       IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++;
        dev_set_allmulti(dev, +1);
        ip_rt_multicast_event(in_dev);
 
@@ -841,7 +848,7 @@ static void mrtsock_destruct(struct sock *sk)
 {
        rtnl_lock();
        if (sk == mroute_socket) {
-               ipv4_devconf.mc_forwarding--;
+               IPV4_DEVCONF_ALL(MC_FORWARDING)--;
 
                write_lock_bh(&mrt_lock);
                mroute_socket=NULL;
@@ -890,7 +897,7 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
                        mroute_socket=sk;
                        write_unlock_bh(&mrt_lock);
 
-                       ipv4_devconf.mc_forwarding++;
+                       IPV4_DEVCONF_ALL(MC_FORWARDING)++;
                }
                rtnl_unlock();
                return ret;