[PATCH v4 14/35] maple_tree: Use MAS_BUG_ON() prior to calling mas_meta_gap()

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Replace the call to BUG_ON() in mas_meta_gap() with calls before the
function call MAS_BUG_ON() to get more information on error condition.

Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
 lib/maple_tree.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index d5ccf7bcf3b5..d7809a7000c5 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -963,8 +963,6 @@ 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;
 }
 
@@ -1628,6 +1626,7 @@ static inline unsigned long mas_max_gap(struct ma_state *mas)
 		return mas_leaf_max_gap(mas);
 
 	node = mas_mn(mas);
+	MAS_BUG_ON(mas, mt != maple_arange_64);
 	offset = ma_meta_gap(node, mt);
 	if (offset == MAPLE_ARANGE64_META_MAX)
 		return 0;
@@ -1661,6 +1660,7 @@ static inline void mas_parent_gap(struct ma_state *mas, unsigned char offset,
 	pgaps = ma_gaps(pnode, pmt);
 
 ascend:
+	MAS_BUG_ON(mas, pmt != maple_arange_64);
 	meta_offset = ma_meta_gap(pnode, pmt);
 	if (meta_offset == MAPLE_ARANGE64_META_MAX)
 		meta_gap = 0;
-- 
2.39.2





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