futex: Split futex_mm_release() for exit/exec

[mirror_ubuntu-bionic-kernel.git] / include / net / ax25.h

diff --git a/include/net/ax25.h b/include/net/ax25.h
index 76fb39c272a78d614ba0e7176c4f1b9811d437fc..e667bca42ca49c8e95ef0687acc684401fab60d3 100644 (file)
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -200,6 +200,18 @@ static inline void ax25_hold_route(ax25_route *ax25_rt)
 
 void __ax25_put_route(ax25_route *ax25_rt);
 
+extern rwlock_t ax25_route_lock;
+
+static inline void ax25_route_lock_use(void)
+{
+       read_lock(&ax25_route_lock);
+}
+
+static inline void ax25_route_lock_unuse(void)
+{
+       read_unlock(&ax25_route_lock);
+}
+
 static inline void ax25_put_route(ax25_route *ax25_rt)
 {
        if (refcount_dec_and_test(&ax25_rt->refcount))