add bug on to mt

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 37717fbe6470a7f50358e8a53edc69ff0da51a87..ed1cfda311f467223081aff1ed2ebdd52144642e 100644 (file)
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -906,6 +906,7 @@ static inline unsigned char ma_meta_end(struct maple_node *mn,
 static inline unsigned char ma_meta_gap(struct maple_node *mn,
                                        enum maple_type mt)
 {
+       BUG_ON(mt != maple_arange_64);
 
        return mn->ma64.meta.gap;
 }