diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-28 20:17:52 +0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-28 20:17:52 +0400 |
| commit | 90890687859ea658759e653c4e70ed7e9e1a6217 (patch) | |
| tree | 9065b30bb189e16ef99b8b5a0d444558f8dc579f /include/linux/inetdevice.h | |
| parent | 2995bfb7855aabd493f840af361f3dd7d221caea (diff) | |
| parent | 5fadd053d9bb4345ec6f405d24db4e7eb49cf81e (diff) | |
| download | linux-90890687859ea658759e653c4e70ed7e9e1a6217.tar.xz | |
Merge branch 'master'
Diffstat (limited to 'include/linux/inetdevice.h')
| -rw-r--r-- | include/linux/inetdevice.h | 12 |
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; } |