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maple_tree: mas_start() reset depth on dead node

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When a dead node is detected, the depth has already been set to 1 so reset
it to 0.

Link: https://lkml.kernel.org/r/20230518145544.1722059-22-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: David Binderman <dcb314@hotmail.com>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Vernon Yang <vernon2gm@gmail.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Liam R. Howlett 2023-05-18 10:55:30 -04:00 committed by Andrew Morton
parent 23e734ecd9
commit d04118605f
1 changed files with 1 additions and 1 deletions
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2
lib/maple_tree.c
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@ -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))) {