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 1829599763c744d01b78d4304f4a30f3470ccf4e..f4566e5d4ef9f7a095bd2d2af840f5ad521ca50b 100644 (file)
--- 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) {