ip_tunnel: fix kernel panic with icmp_dest_unreach

[pandora-kernel.git] / net / ipv4 / ipip.c

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 0b2e732..5dc5137 100644 (file)
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -231,7 +231,7 @@ static void ipip_tunnel_unlink(struct ipip_net *ipn, struct ip_tunnel *t)
             (iter = rtnl_dereference(*tp)) != NULL;
             tp = &iter->next) {
                if (t == iter) {
-                       RCU_INIT_POINTER(*tp, t->next);
+                       rcu_assign_pointer(*tp, t->next);
                        break;
                }
        }
@@ -241,8 +241,8 @@ static void ipip_tunnel_link(struct ipip_net *ipn, struct ip_tunnel *t)
 {
        struct ip_tunnel __rcu **tp = ipip_bucket(ipn, t);
 
-       RCU_INIT_POINTER(t->next, rtnl_dereference(*tp));
-       RCU_INIT_POINTER(*tp, t);
+       rcu_assign_pointer(t->next, rtnl_dereference(*tp));
+       rcu_assign_pointer(*tp, t);
 }
 
 static struct ip_tunnel * ipip_tunnel_locate(struct net *net,
@@ -448,6 +448,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
        if (tos & 1)
                tos = old_iph->tos;
 
+       memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
        if (!dst) {
                /* NBMA tunnel */
                if ((rt = skb_rtable(skb)) == NULL) {
@@ -531,7 +532,6 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
        skb->transport_header = skb->network_header;
        skb_push(skb, sizeof(struct iphdr));
        skb_reset_network_header(skb);
-       memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
        IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
                              IPSKB_REROUTED);
        skb_dst_drop(skb);
@@ -792,7 +792,7 @@ static int __net_init ipip_fb_tunnel_init(struct net_device *dev)
                return -ENOMEM;
 
        dev_hold(dev);
-       RCU_INIT_POINTER(ipn->tunnels_wc[0], tunnel);
+       rcu_assign_pointer(ipn->tunnels_wc[0], tunnel);
        return 0;
 }