From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Sat, 12 Nov 2022 23:43:08 +0000 (+0000)
Subject: maple_tree: should get pivots boundary by type
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e79a0227b405068289b07175c312fa5b93b20998;p=users%2Fjedix%2Flinux-maple.git

maple_tree: should get pivots boundary by type

We should get pivots boundary by type.

Fixes: 54a611b60590 (Maple Tree: add new data structure)
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 440539ff0d11..2a422f4cff62 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -665,12 +665,13 @@ static inline unsigned long mte_pivot(const struct maple_enode *mn,
 				 unsigned char piv)
 {
 	struct maple_node *node = mte_to_node(mn);
+	enum maple_type type = mte_node_type(mn);
 
-	if (piv >= mt_pivots[piv]) {
+	if (piv >= mt_pivots[type]) {
 		WARN_ON(1);
 		return 0;
 	}
-	switch (mte_node_type(mn)) {
+	switch (type) {
 	case maple_arange_64:
 		return node->ma64.pivot[piv];
 	case maple_range_64: