diff options
Diffstat (limited to 'net/ipv4/devinet.c')
| -rw-r--r-- | net/ipv4/devinet.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 84bed40273ad..480ace9819f6 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -165,9 +165,8 @@ struct in_device *inetdev_init(struct net_device *dev) NET_IPV4_NEIGH, "ipv4", NULL, NULL); #endif - /* Account for reference dev->ip_ptr */ + /* Account for reference dev->ip_ptr (below) */ in_dev_hold(in_dev); - rcu_assign_pointer(dev->ip_ptr, in_dev); #ifdef CONFIG_SYSCTL devinet_sysctl_register(in_dev, &in_dev->cnf); @@ -175,6 +174,9 @@ struct in_device *inetdev_init(struct net_device *dev) ip_mc_init_dev(in_dev); if (dev->flags & IFF_UP) ip_mc_up(in_dev); + + /* we can receive as soon as ip_ptr is set -- do this last */ + rcu_assign_pointer(dev->ip_ptr, in_dev); out: return in_dev; out_kfree: |