Commit d0411860 authored by Liam R. Howlett's avatar Liam R. Howlett Committed by Andrew Morton
Browse files

maple_tree: mas_start() reset depth on dead node 

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: default avatarLiam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: default avatarPeng 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: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 23e734ec

lib/maple_tree.c

+1 −1
Original line number Diff line number Diff line
@@ -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))) {