For a root node, mte_parent_slot() return 0, this exactly fits the
following !p_slot check.
So we can remove the special handling for root node.
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
CC: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
lib/maple_tree.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 85bd651e7770..b5dde94cc7a9 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -2100,9 +2100,7 @@ static inline bool mas_prev_sibling(struct ma_state *mas)
{
unsigned int p_slot = mte_parent_slot(mas->node);
- if (mte_is_root(mas->node))
- return false;
-
+ /* For root node, p_slot is set to 0 by mte_parent_slot(). */
if (!p_slot)
return false;
--
2.34.1
