1 files changed, 8 insertions, 0 deletions

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 8a36599d3555..28453ae2a97b 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -33,6 +33,14 @@ void genl_unlock(void)
 }
 EXPORT_SYMBOL(genl_unlock);
 
+#ifdef CONFIG_PROVE_LOCKING
+int lockdep_genl_is_held(void)
+{
+        return lockdep_is_held(&genl_mutex);
+}
+EXPORT_SYMBOL(lockdep_genl_is_held);
+#endif
+
 #define GENL_FAM_TAB_SIZE       16
 #define GENL_FAM_TAB_MASK       (GENL_FAM_TAB_SIZE - 1)