diff options
| -rw-r--r-- | include/linux/rtnetlink.h | 1 | ||||
| -rw-r--r-- | net/core/rtnetlink.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 3573b4bf2fdf..562a175c35a9 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -33,6 +33,7 @@ extern void rtnl_lock(void); extern void rtnl_unlock(void); extern int rtnl_trylock(void); extern int rtnl_is_locked(void); +extern int rtnl_lock_killable(void); extern wait_queue_head_t netdev_unregistering_wq; extern struct rw_semaphore net_sem; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 67f375cfb982..87079eaa871b 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -75,6 +75,12 @@ void rtnl_lock(void) } EXPORT_SYMBOL(rtnl_lock); +int rtnl_lock_killable(void) +{ + return mutex_lock_killable(&rtnl_mutex); +} +EXPORT_SYMBOL(rtnl_lock_killable); + static struct sk_buff *defer_kfree_skb_list; void rtnl_kfree_skbs(struct sk_buff *head, struct sk_buff *tail) { |