diff options
| author | Tony Luck | 2005-10-20 10:41:44 -0700 |
|---|---|---|
| committer | Tony Luck | 2005-10-20 10:41:44 -0700 |
| commit | 9cec58dc138d6fcad9f447a19c8ff69f6540e667 (patch) | |
| tree | 4fe1cca94fdba8b705c87615bee06d3346f687ce /include/linux/inetdevice.h | |
| parent | 17e5ad6c0ce5a970e2830d0de8bdd60a2f077d38 (diff) | |
| parent | ac9b9c667c2e1194e22ebe0a441ae1c37aaa9b90 (diff) | |
Update from upstream with manual merge of Yasunori Goto's
changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341
since this file has been moved from arch/ia64/lib/swiotlb.c to
lib/swiotlb.c
Signed-off-by: Tony Luck <tony.luck@intel.com>
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; } |