diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/rtnetlink.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index bc39e417694a..cf857c4dc7b1 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -82,6 +82,11 @@ int rtnl_trylock(void) return mutex_trylock(&rtnl_mutex); } +int rtnl_is_locked(void) +{ + return mutex_is_locked(&rtnl_mutex); +} + static struct rtnl_link *rtnl_msg_handlers[NPROTO]; static inline int rtm_msgindex(int msgtype) @@ -1402,6 +1407,7 @@ EXPORT_SYMBOL(rtnetlink_put_metrics); EXPORT_SYMBOL(rtnl_lock); EXPORT_SYMBOL(rtnl_trylock); EXPORT_SYMBOL(rtnl_unlock); +EXPORT_SYMBOL(rtnl_is_locked); EXPORT_SYMBOL(rtnl_unicast); EXPORT_SYMBOL(rtnl_notify); EXPORT_SYMBOL(rtnl_set_sk_err); |