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-rw-r--r--include/linux/rtnetlink.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 0e62918de63b..14b88f551920 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -101,6 +101,7 @@ void __rtnl_net_lock(struct net *net);
void __rtnl_net_unlock(struct net *net);
void rtnl_net_lock(struct net *net);
void rtnl_net_unlock(struct net *net);
+int rtnl_net_trylock(struct net *net);
int rtnl_net_lock_cmp_fn(const struct lockdep_map *a, const struct lockdep_map *b);
bool rtnl_net_is_locked(struct net *net);
@@ -132,6 +133,11 @@ static inline void rtnl_net_unlock(struct net *net)
rtnl_unlock();
}
+static inline int rtnl_net_trylock(struct net *net)
+{
+ return rtnl_trylock();
+}
+
static inline void ASSERT_RTNL_NET(struct net *net)
{
ASSERT_RTNL();