tunnels: Fix tunnels change rcu protection

[net-next-2.6.git] / net / ipv4 / ipip.c

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index e9b816e6cd73a681ea02e9540d6849eb924f4a8a..cd300aaee78f542630f40ab9a34f9b10af8eec9e 100644 (file)
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -676,6 +676,7 @@ ipip_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
                                }
                                t = netdev_priv(dev);
                                ipip_tunnel_unlink(ipn, t);
+                               synchronize_net();
                                t->parms.iph.saddr = p.iph.saddr;
                                t->parms.iph.daddr = p.iph.daddr;
                                memcpy(dev->dev_addr, &p.iph.saddr, 4);