bridge: simplify ip_mc_check_igmp() and ipv6_mc_check_mld() calls

[linux-2.6-microblaze.git] / include / net / addrconf.h

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 1656c59..daf11dc 100644 (file)
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -49,6 +49,7 @@ struct prefix_info {
        struct in6_addr         prefix;
 };
 
+#include <linux/ipv6.h>
 #include <linux/netdevice.h>
 #include <net/if_inet6.h>
 #include <net/ipv6.h>
@@ -201,6 +202,15 @@ u32 ipv6_addr_label(struct net *net, const struct in6_addr *addr,
 /*
  *     multicast prototypes (mcast.c)
  */
+static inline int ipv6_mc_may_pull(struct sk_buff *skb,
+                                  unsigned int len)
+{
+       if (skb_transport_offset(skb) + ipv6_transport_len(skb) < len)
+               return -EINVAL;
+
+       return pskb_may_pull(skb, len);
+}
+
 int ipv6_sock_mc_join(struct sock *sk, int ifindex,
                      const struct in6_addr *addr);
 int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
@@ -219,7 +229,7 @@ void ipv6_mc_unmap(struct inet6_dev *idev);
 void ipv6_mc_remap(struct inet6_dev *idev);
 void ipv6_mc_init_dev(struct inet6_dev *idev);
 void ipv6_mc_destroy_dev(struct inet6_dev *idev);
-int ipv6_mc_check_mld(struct sk_buff *skb, struct sk_buff **skb_trimmed);
+int ipv6_mc_check_mld(struct sk_buff *skb);
 void addrconf_dad_failure(struct sk_buff *skb, struct inet6_ifaddr *ifp);
 
 bool ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,