| #ifndef __BACKPORT_LINUX_RTNETLINK_H |
| #define __BACKPORT_LINUX_RTNETLINK_H |
| #include_next <linux/rtnetlink.h> |
| |
| #ifndef rtnl_dereference |
| #define rtnl_dereference(p) \ |
| rcu_dereference_protected(p, lockdep_rtnl_is_held()) |
| #endif |
| |
| #ifndef rcu_dereference_rtnl |
| #define rcu_dereference_rtnl(p) \ |
| rcu_dereference_check(p, rcu_read_lock_held() || \ |
| lockdep_rtnl_is_held()) |
| #endif |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34) |
| #ifdef CONFIG_PROVE_LOCKING |
| /* |
| * Obviously, this is wrong. But the base kernel will have rtnl_mutex |
| * declared static, with no way to access it. I think this is the best |
| * we can do... |
| */ |
| static inline int lockdep_rtnl_is_held(void) |
| { |
| return 1; |
| } |
| #endif /* #ifdef CONFIG_PROVE_LOCKING */ |
| #endif /* < 2.6.34 */ |
| |
| #endif /* __BACKPORT_LINUX_RTNETLINK_H */ |
