--- zzzz-none-000/linux-2.6.28.10/include/net/addrconf.h	2009-05-02 18:54:43.000000000 +0000
+++ puma5-6360-529/linux-2.6.28.10/include/net/addrconf.h	2009-12-11 11:48:18.000000000 +0000
@@ -178,6 +178,78 @@
 	return rcu_dereference(dev->ip6_ptr);
 }
 
+#ifdef CONFIG_DEV_REFCNT_DEBUG
+
+#include "linux/kallsyms.h"
+
+static inline void in6_show_here(char *func, struct net_device *dev,
+                                 int refcnt, char *fn, int ln, 
+						         unsigned long ip)
+{
+   printk(KERN_DEBUG "%s: in6 %d dev %d %s() %s:%d",
+          dev->name, refcnt, atomic_read(&dev->refcnt),
+		  func, fn, ln);
+   print_ip_sym(ip);
+}
+
+#define in6_dev_get(dev)	____in6_dev_get(dev, __FILE__, __LINE__)
+
+static inline struct inet6_dev *
+____in6_dev_get(struct net_device *dev, char *fn, int ln)
+{
+	struct inet6_dev *idev = NULL;
+	rcu_read_lock();
+	idev = __in6_dev_get(dev);
+	if (idev) {
+		atomic_inc(&idev->refcnt);
+		in6_show_here("in6_dev_get", idev->dev, atomic_read(&idev->refcnt),
+		                         fn, ln,
+								 (unsigned long)__builtin_return_address(0));
+	}
+	rcu_read_unlock();
+	return idev;
+}
+
+extern void in6_dev_finish_destroy(struct inet6_dev *idev);
+
+#define in6_dev_put(idev) ____in6_dev_put(idev, __FILE__, __LINE__)
+
+static inline void
+____in6_dev_put(struct inet6_dev *idev, char *fn, int ln)
+{
+	int tmp = atomic_dec_and_test(&idev->refcnt);
+
+	in6_show_here("in6_dev_put", idev->dev, atomic_read(&idev->refcnt),
+							 fn, ln,
+							 (unsigned long)__builtin_return_address(0));
+	if (tmp)
+		in6_dev_finish_destroy(idev);
+}
+
+#define __in6_dev_put(idev) ______in6_dev_put(idev, __FILE__, __LINE__)
+
+static inline void
+______in6_dev_put(struct inet6_dev *idev, char *fn, int ln)
+{
+   atomic_dec(&(idev)->refcnt);
+   in6_show_here("__in6_dev_put", idev->dev, atomic_read(&idev->refcnt),
+							  fn, ln,
+							  (unsigned long)__builtin_return_address(0));
+}
+
+#define in6_dev_hold(idev) ____in6_dev_hold(idev, __FILE__, __LINE__)
+
+static inline void
+____in6_dev_hold(struct inet6_dev *idev, char *fn, int ln)
+{
+   atomic_inc(&(idev)->refcnt);
+   in6_show_here("__in6_dev_put", idev->dev, atomic_read(&idev->refcnt),
+							  fn, ln,
+							  (unsigned long)__builtin_return_address(0));
+}
+
+#else
+
 static inline struct inet6_dev *
 in6_dev_get(struct net_device *dev)
 {
@@ -201,6 +273,7 @@
 
 #define __in6_dev_put(idev)  atomic_dec(&(idev)->refcnt)
 #define in6_dev_hold(idev)   atomic_inc(&(idev)->refcnt)
+#endif
 
 
 extern void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp);