linux-kernel - [PATCH 21/34] maple_tree: mas_start() reset depth on dead node

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Message-Id: <20230425140955.3834476-22-Liam.Howlett@oracle.com>
Date:   Tue, 25 Apr 2023 10:09:42 -0400
From:   "Liam R. Howlett" <Liam.Howlett@...cle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        maple-tree@...ts.infradead.org,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>
Subject: [PATCH 21/34] 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.

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 lib/maple_tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 35c6e12ca9482..1542274dc2b7f 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -1397,9 +1397,9 @@ 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))) {
-- 
2.39.2