[PATCH] x86-64: x86_64 add NX mask for PTE entry

[linux-2.6-omap-h63xx.git] / include / net / addrconf.h

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 750e2508dd90627084e9757363f1d25832047d30..44f1b673f916a094fb29508b66018c98eca364ab 100644 (file)
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -45,7 +45,6 @@ struct prefix_info {
 
 #ifdef __KERNEL__
 
-#include <linux/config.h>
 #include <linux/netdevice.h>
 #include <net/if_inet6.h>
 #include <net/ipv6.h>
@@ -62,6 +61,9 @@ extern int                    addrconf_set_dstaddr(void __user *arg);
 extern int                     ipv6_chk_addr(struct in6_addr *addr,
                                              struct net_device *dev,
                                              int strict);
+#ifdef CONFIG_IPV6_MIP6
+extern int                     ipv6_chk_home_addr(struct in6_addr *addr);
+#endif
 extern struct inet6_ifaddr *   ipv6_get_ifaddr(struct in6_addr *addr,
                                                struct net_device *dev,
                                                int strict);
@@ -127,20 +129,18 @@ extern int unregister_inet6addr_notifier(struct notifier_block *nb);
 static inline struct inet6_dev *
 __in6_dev_get(struct net_device *dev)
 {
-       return (struct inet6_dev *)dev->ip6_ptr;
+       return rcu_dereference(dev->ip6_ptr);
 }
 
-extern rwlock_t addrconf_lock;
-
 static inline struct inet6_dev *
 in6_dev_get(struct net_device *dev)
 {
        struct inet6_dev *idev = NULL;
-       read_lock(&addrconf_lock);
-       idev = dev->ip6_ptr;
+       rcu_read_lock();
+       idev = __in6_dev_get(dev);
        if (idev)
                atomic_inc(&idev->refcnt);
-       read_unlock(&addrconf_lock);
+       rcu_read_unlock();
        return idev;
 }