From: Liam R. Howlett <Liam.Howlett@oracle.com>
Date: Mon, 1 Sep 2025 06:04:36 +0000 (-0400)
Subject: split destination off by one
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=6d95d30e69bae2e6d9f5ae56d1b52b55ddd0234f;p=users%2Fjedix%2Flinux-maple.git

split destination off by one

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 1829599763c7..f4566e5d4ef9 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -3103,8 +3103,8 @@ void spanning_split_dest_setup(struct maple_copy *cp, struct ma_state *mas,
 		enum maple_type mt)
 {
 	cp->d_count = 0;
-	/* Calc split here */
-	if (cp->data <= mt_slots[mt]) {
+	/* Calc split here; cp->data is not 0 indexed */
+	if (cp->data < mt_slots[mt]) {
 		cp->split = cp->data;
 		cp->d_count = 1;
 	} else if (cp->data < mt_slots[mt] * 2 - 1) {