[PATCH v2 2/2] maple_tree: remove sanity check from mas_wr_slot_store()

[Wei Yang]

After commit 5d659bbb52a2 ("maple_tree: introduce mas_wr_store_type()"),
the check here is redundant.

Let's remove it.

Signed-off-by: Wei Yang <richard.weiyang at gmail.com>
CC: Liam R. Howlett <Liam.Howlett at Oracle.com>
CC: Sidhartha Kumar <sidhartha.kumar at oracle.com>
CC: Lorenzo Stoakes <lorenzo.stoakes at oracle.com>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar at oracle.com>

---
v2: add a WARN_ON_ONCE() as suggested by Liam
---
 lib/maple_tree.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index b26f8df09588..54dd0e256315 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -3805,7 +3805,8 @@ static inline void mas_wr_slot_store(struct ma_wr_state *wr_mas)
 			wr_mas->pivots[offset] = mas->index - 1;
 			mas->offset++; /* Keep mas accurate. */
 		}
-	} else if (!mt_in_rcu(mas->tree)) {
+	} else {
+		WARN_ON_ONCE(mt_in_rcu(mas->tree));
 		/*
 		 * Expand the range, only partially overwriting the previous and
 		 * next ranges
@@ -3815,8 +3816,6 @@ static inline void mas_wr_slot_store(struct ma_wr_state *wr_mas)
 		wr_mas->pivots[offset] = mas->index - 1;
 		wr_mas->pivots[offset + 1] = mas->last;
 		mas->offset++; /* Keep mas accurate. */
-	} else {
-		return;
 	}
 
 	trace_ma_write(__func__, mas, 0, wr_mas->entry);
-- 
2.34.1