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[v4,21/35] maple_tree: mas_start() reset depth on dead node

Message ID 20230518145544.1722059-22-Liam.Howlett@oracle.com
State New
Headers
Series Maple tree mas_{next,prev}_range() and cleanup |

Commit Message

Liam R. Howlett May 18, 2023, 2:55 p.m. UTC 
  When a dead node is detected, the depth has already been set to 1 so
reset it to 0.

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: Peng Zhang <zhangpeng.00@bytedance.com>
---
 lib/maple_tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index b3e5ae43ff8f..e233f41ed4da 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -1396,9 +1396,9 @@  static inline struct maple_enode *mas_start(struct ma_state *mas)
 
 		mas->min = 0;
 		mas->max = ULONG_MAX;
-		mas->depth = 0;
 
 retry:
+		mas->depth = 0;
 		root = mas_root(mas);
 		/* Tree with nodes */
 		if (likely(xa_is_node(root))) {