When mas_anode_descend() not find gap, it sets -EBUSY instead of setting
offset to MAPLE_NODE_SLOTS.
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
CC: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
CC: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
CC: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
---
lib/maple_tree.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index ab235d0194f7..b67dae356182 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -5011,8 +5011,8 @@ static inline void mas_awalk(struct ma_state *mas, unsigned long size)
* There are 4 options:
* go to child (descend)
* go back to parent (ascend)
- * no gap found. (return, slot == MAPLE_NODE_SLOTS)
- * found the gap. (return, slot != MAPLE_NODE_SLOTS)
+ * no gap found. (return, error == -EBUSY)
+ * found the gap. (return)
*/
while (!mas_is_err(mas) && !mas_anode_descend(mas, size)) {
if (last == mas->node)
@@ -5097,9 +5097,6 @@ int mas_empty_area(struct ma_state *mas, unsigned long min,
return xa_err(mas->node);
offset = mas->offset;
- if (unlikely(offset == MAPLE_NODE_SLOTS))
- return -EBUSY;
-
node = mas_mn(mas);
mt = mte_node_type(mas->node);
pivots = ma_pivots(node, mt);
--
2.34.1
