packet : remove init_net restriction

[safe/jmp/linux-2.6] / net / ipv6 / exthdrs.c

diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 4aae658..8a659f9 100644 (file)
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -29,6 +29,7 @@
 #include <linux/netdevice.h>
 #include <linux/in6.h>
 #include <linux/icmpv6.h>
+#include <linux/slab.h>
 
 #include <net/dst.h>
 #include <net/sock.h>
@@ -481,7 +482,7 @@ looped_back:
                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                         IPSTATS_MIB_INHDRERRORS);
                        icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,
-                                   0, skb->dev);
+                                   0);
                        kfree_skb(skb);
                        return -1;
                }
@@ -500,17 +501,17 @@ unknown_rh:
        return -1;
 }
 
-static struct inet6_protocol rthdr_protocol = {
+static const struct inet6_protocol rthdr_protocol = {
        .handler        =       ipv6_rthdr_rcv,
        .flags          =       INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
 };
 
-static struct inet6_protocol destopt_protocol = {
+static const struct inet6_protocol destopt_protocol = {
        .handler        =       ipv6_destopt_rcv,
        .flags          =       INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
 };
 
-static struct inet6_protocol nodata_protocol = {
+static const struct inet6_protocol nodata_protocol = {
        .handler        =       dst_discard,
        .flags          =       INET6_PROTO_NOPOLICY,
 };
@@ -559,6 +560,11 @@ static inline struct inet6_dev *ipv6_skb_idev(struct sk_buff *skb)
        return skb_dst(skb) ? ip6_dst_idev(skb_dst(skb)) : __in6_dev_get(skb->dev);
 }
 
+static inline struct net *ipv6_skb_net(struct sk_buff *skb)
+{
+       return skb_dst(skb) ? dev_net(skb_dst(skb)->dev) : dev_net(skb->dev);
+}
+
 /* Router Alert as of RFC 2711 */
 
 static int ipv6_hop_ra(struct sk_buff *skb, int optoff)
@@ -580,8 +586,8 @@ static int ipv6_hop_ra(struct sk_buff *skb, int optoff)
 static int ipv6_hop_jumbo(struct sk_buff *skb, int optoff)
 {
        const unsigned char *nh = skb_network_header(skb);
+       struct net *net = ipv6_skb_net(skb);
        u32 pkt_len;
-       struct net *net = dev_net(skb_dst(skb)->dev);
 
        if (nh[optoff + 1] != 4 || (optoff & 3) != 2) {
                LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",