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authorPaul Mackerras <paulus@samba.org>2005-10-12 14:43:32 +1000
committerPaul Mackerras <paulus@samba.org>2005-10-12 14:43:32 +1000
commitb6ec995a21a9428aef620b5adf46d047a18d88b8 (patch)
tree6719121e6605cbca524b687f47336b9bbf3b8d41 /include/linux/inetdevice.h
parent3a5f8c5f788d68e325d9fe3c26f4df5a5aee838a (diff)
parentda64c6ee6bb71bfb3f09d9bb89ce1aa4b1ee7e89 (diff)
Merge from Linus' tree
Diffstat (limited to 'include/linux/inetdevice.h')
-rw-r--r--include/linux/inetdevice.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 7e1e15f934f3..fd7af86151b1 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -142,13 +142,21 @@ static __inline__ int bad_mask(u32 mask, u32 addr)
#define endfor_ifa(in_dev) }
+static inline struct in_device *__in_dev_get_rcu(const struct net_device *dev)
+{
+ struct in_device *in_dev = dev->ip_ptr;
+ if (in_dev)
+ in_dev = rcu_dereference(in_dev);
+ return in_dev;
+}
+
static __inline__ struct in_device *
in_dev_get(const struct net_device *dev)
{
struct in_device *in_dev;
rcu_read_lock();
- in_dev = dev->ip_ptr;
+ in_dev = __in_dev_get_rcu(dev);
if (in_dev)
atomic_inc(&in_dev->refcnt);
rcu_read_unlock();
@@ -156,7 +164,7 @@ in_dev_get(const struct net_device *dev)
}
static __inline__ struct in_device *
-__in_dev_get(const struct net_device *dev)
+__in_dev_get_rtnl(const struct net_device *dev)
{
return (struct in_device*)dev->ip_ptr;
}